Upgrade rubocop

test/integration/assign_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class AssignTest < Minitest::Test
@@ -10,29 +12,29 @@ class AssignTest < Minitest::Test
     END_TEMPLATE
     template = Template.parse(template_source)
     rendered = template.render!
-    assert_equal "Print this-thing", rendered.strip
+    assert_equal 'Print this-thing', rendered.strip
   end
 
   def test_assigned_variable
     assert_template_result('.foo.',
-      '{% assign foo = values %}.{{ foo[0] }}.',
-      'values' => %w(foo bar baz))
+                           '{% assign foo = values %}.{{ foo[0] }}.',
+                           'values' => %w[foo bar baz])
 
     assert_template_result('.bar.',
-      '{% assign foo = values %}.{{ foo[1] }}.',
-      'values' => %w(foo bar baz))
+                           '{% assign foo = values %}.{{ foo[1] }}.',
+                           'values' => %w[foo bar baz])
   end
 
   def test_assign_with_filter
     assert_template_result('.bar.',
-      '{% assign foo = values | split: "," %}.{{ foo[1] }}.',
-      'values' => "foo,bar,baz")
+                           '{% assign foo = values | split: "," %}.{{ foo[1] }}.',
+                           'values' => 'foo,bar,baz')
   end
 
   def test_assign_syntax_error
     assert_match_syntax_error(/assign/,
-      '{% assign foo not values %}.',
-      'values' => "foo,bar,baz")
+                              '{% assign foo not values %}.',
+                              'values' => 'foo,bar,baz')
   end
 
   def test_assign_uses_error_mode

test/integration/blank_test.rb

@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class FoobarTag < Liquid::Tag
-  def render_to_output_buffer(context, output)
+  def render_to_output_buffer(_context, output)
     output << ' '
     output
   end
@@ -31,77 +33,77 @@ class BlankTest < Minitest::Test
 
   def test_new_tags_are_not_blank_by_default
     with_custom_tag('foobar', FoobarTag) do
-      assert_template_result(" " * N, wrap_in_for("{% foobar %}"))
+      assert_template_result(' ' * N, wrap_in_for('{% foobar %}'))
     end
   end
 
   def test_loops_are_blank
-    assert_template_result("", wrap_in_for(" "))
+    assert_template_result('', wrap_in_for(' '))
   end
 
   def test_if_else_are_blank
-    assert_template_result("", "{% if true %} {% elsif false %} {% else %} {% endif %}")
+    assert_template_result('', '{% if true %} {% elsif false %} {% else %} {% endif %}')
   end
 
   def test_unless_is_blank
-    assert_template_result("", wrap("{% unless true %} {% endunless %}"))
+    assert_template_result('', wrap('{% unless true %} {% endunless %}'))
   end
 
   def test_mark_as_blank_only_during_parsing
-    assert_template_result(" " * (N + 1), wrap(" {% if false %} this never happens, but still, this block is not blank {% endif %}"))
+    assert_template_result(' ' * (N + 1), wrap(' {% if false %} this never happens, but still, this block is not blank {% endif %}'))
   end
 
   def test_comments_are_blank
-    assert_template_result("", wrap(" {% comment %} whatever {% endcomment %} "))
+    assert_template_result('', wrap(' {% comment %} whatever {% endcomment %} '))
   end
 
   def test_captures_are_blank
-    assert_template_result("", wrap(" {% capture foo %} whatever {% endcapture %} "))
+    assert_template_result('', wrap(' {% capture foo %} whatever {% endcapture %} '))
   end
 
   def test_nested_blocks_are_blank_but_only_if_all_children_are
-    assert_template_result("", wrap(wrap(" ")))
+    assert_template_result('', wrap(wrap(' ')))
     assert_template_result("\n       but this is not " * (N + 1),
-      wrap('{% if true %} {% comment %} this is blank {% endcomment %} {% endif %}
+                           wrap('{% if true %} {% comment %} this is blank {% endcomment %} {% endif %}
       {% if true %} but this is not {% endif %}'))
   end
 
   def test_assigns_are_blank
-    assert_template_result("", wrap(' {% assign foo = "bar" %} '))
+    assert_template_result('', wrap(' {% assign foo = "bar" %} '))
   end
 
   def test_whitespace_is_blank
-    assert_template_result("", wrap(" "))
-    assert_template_result("", wrap("\t"))
+    assert_template_result('', wrap(' '))
+    assert_template_result('', wrap("\t"))
   end
 
   def test_whitespace_is_not_blank_if_other_stuff_is_present
-    body = "     x "
+    body = '     x '
     assert_template_result(body * (N + 1), wrap(body))
   end
 
   def test_increment_is_not_blank
-    assert_template_result(" 0" * 2 * (N + 1), wrap("{% assign foo = 0 %} {% increment foo %} {% decrement foo %}"))
+    assert_template_result(' 0' * 2 * (N + 1), wrap('{% assign foo = 0 %} {% increment foo %} {% decrement foo %}'))
   end
 
   def test_cycle_is_not_blank
-    assert_template_result("  " * ((N + 1) / 2) + " ", wrap("{% cycle ' ', ' ' %}"))
+    assert_template_result('  ' * ((N + 1) / 2) + ' ', wrap("{% cycle ' ', ' ' %}"))
   end
 
   def test_raw_is_not_blank
-    assert_template_result("  " * (N + 1), wrap(" {% raw %} {% endraw %}"))
+    assert_template_result('  ' * (N + 1), wrap(' {% raw %} {% endraw %}'))
   end
 
   def test_include_is_blank
     Liquid::Template.file_system = BlankTestFileSystem.new
-    assert_template_result "foobar" * (N + 1), wrap("{% include 'foobar' %}")
-    assert_template_result " foobar " * (N + 1), wrap("{% include ' foobar ' %}")
-    assert_template_result "   " * (N + 1), wrap(" {% include ' ' %} ")
+    assert_template_result 'foobar' * (N + 1), wrap("{% include 'foobar' %}")
+    assert_template_result ' foobar ' * (N + 1), wrap("{% include ' foobar ' %}")
+    assert_template_result '   ' * (N + 1), wrap(" {% include ' ' %} ")
   end
 
   def test_case_is_blank
-    assert_template_result("", wrap(" {% assign foo = 'bar' %} {% case foo %} {% when 'bar' %} {% when 'whatever' %} {% else %} {% endcase %} "))
-    assert_template_result("", wrap(" {% assign foo = 'else' %} {% case foo %} {% when 'bar' %} {% when 'whatever' %} {% else %} {% endcase %} "))
-    assert_template_result("   x  " * (N + 1), wrap(" {% assign foo = 'else' %} {% case foo %} {% when 'bar' %} {% when 'whatever' %} {% else %} x {% endcase %} "))
+    assert_template_result('', wrap(" {% assign foo = 'bar' %} {% case foo %} {% when 'bar' %} {% when 'whatever' %} {% else %} {% endcase %} "))
+    assert_template_result('', wrap(" {% assign foo = 'else' %} {% case foo %} {% when 'bar' %} {% when 'whatever' %} {% else %} {% endcase %} "))
+    assert_template_result('   x  ' * (N + 1), wrap(" {% assign foo = 'else' %} {% case foo %} {% when 'bar' %} {% when 'whatever' %} {% else %} x {% endcase %} "))
   end
 end

test/integration/block_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class BlockTest < Minitest::Test
@@ -5,7 +7,7 @@ class BlockTest < Minitest::Test
 
   def test_unexpected_end_tag
     exc = assert_raises(SyntaxError) do
-      Template.parse("{% if true %}{% endunless %}")
+      Template.parse('{% if true %}{% endunless %}')
     end
     assert_equal exc.message, "Liquid syntax error: 'endunless' is not a valid delimiter for if tags. use endif"
   end

test/integration/capture_test.rb

@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class CaptureTest < Minitest::Test
   include Liquid
 
   def test_captures_block_content_in_variable
-    assert_template_result("test string", "{% capture 'var' %}test string{% endcapture %}{{var}}", {})
+    assert_template_result('test string', "{% capture 'var' %}test string{% endcapture %}{{var}}", {})
   end
 
   def test_capture_with_hyphen_in_variable_name
@@ -14,7 +16,7 @@ class CaptureTest < Minitest::Test
     END_TEMPLATE
     template = Template.parse(template_source)
     rendered = template.render!
-    assert_equal "Print this-thing", rendered.strip
+    assert_equal 'Print this-thing', rendered.strip
   end
 
   def test_capture_to_variable_from_outer_scope_if_existing
@@ -30,7 +32,7 @@ class CaptureTest < Minitest::Test
     END_TEMPLATE
     template = Template.parse(template_source)
     rendered = template.render!
-    assert_equal "test-string", rendered.gsub(/\s/, '')
+    assert_equal 'test-string', rendered.gsub(/\s/, '')
   end
 
   def test_assigning_from_capture
@@ -45,6 +47,6 @@ class CaptureTest < Minitest::Test
     END_TEMPLATE
     template = Template.parse(template_source)
     rendered = template.render!
-    assert_equal "3-3", rendered.gsub(/\s/, '')
+    assert_equal '3-3', rendered.gsub(/\s/, '')
   end
 end # CaptureTest

test/integration/context_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class ContextTest < Minitest::Test

test/integration/document_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class DocumentTest < Minitest::Test
@@ -5,14 +7,14 @@ class DocumentTest < Minitest::Test
 
   def test_unexpected_outer_tag
     exc = assert_raises(SyntaxError) do
-      Template.parse("{% else %}")
+      Template.parse('{% else %}')
     end
     assert_equal exc.message, "Liquid syntax error: Unexpected outer 'else' tag"
   end
 
   def test_unknown_tag
     exc = assert_raises(SyntaxError) do
-      Template.parse("{% foo %}")
+      Template.parse('{% foo %}')
     end
     assert_equal exc.message, "Liquid syntax error: Unknown tag 'foo'"
   end

test/integration/drop_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class ContextDrop < Liquid::Drop
@@ -21,7 +23,7 @@ end
 class ProductDrop < Liquid::Drop
   class TextDrop < Liquid::Drop
     def array
-      ['text1', 'text2']
+      %w[text1 text2]
     end
 
     def text
@@ -31,7 +33,7 @@ class ProductDrop < Liquid::Drop
 
   class CatchallDrop < Liquid::Drop
     def liquid_method_missing(method)
-      'catchall_method: ' << method.to_s
+      'catchall_method: '.dup << method.to_s
     end
   end
 
@@ -48,13 +50,13 @@ class ProductDrop < Liquid::Drop
   end
 
   def user_input
-    "foo".taint
+    'foo'.dup.taint
   end
 
   protected
 
   def callmenot
-    "protected"
+    'protected'
   end
 end
 
@@ -139,17 +141,17 @@ class DropsTest < Minitest::Test
   end
 
   def test_drop_does_only_respond_to_whitelisted_methods
-    assert_equal "", Liquid::Template.parse("{{ product.inspect }}").render!('product' => ProductDrop.new)
-    assert_equal "", Liquid::Template.parse("{{ product.pretty_inspect }}").render!('product' => ProductDrop.new)
-    assert_equal "", Liquid::Template.parse("{{ product.whatever }}").render!('product' => ProductDrop.new)
-    assert_equal "", Liquid::Template.parse('{{ product | map: "inspect" }}').render!('product' => ProductDrop.new)
-    assert_equal "", Liquid::Template.parse('{{ product | map: "pretty_inspect" }}').render!('product' => ProductDrop.new)
-    assert_equal "", Liquid::Template.parse('{{ product | map: "whatever" }}').render!('product' => ProductDrop.new)
+    assert_equal '', Liquid::Template.parse('{{ product.inspect }}').render!('product' => ProductDrop.new)
+    assert_equal '', Liquid::Template.parse('{{ product.pretty_inspect }}').render!('product' => ProductDrop.new)
+    assert_equal '', Liquid::Template.parse('{{ product.whatever }}').render!('product' => ProductDrop.new)
+    assert_equal '', Liquid::Template.parse('{{ product | map: "inspect" }}').render!('product' => ProductDrop.new)
+    assert_equal '', Liquid::Template.parse('{{ product | map: "pretty_inspect" }}').render!('product' => ProductDrop.new)
+    assert_equal '', Liquid::Template.parse('{{ product | map: "whatever" }}').render!('product' => ProductDrop.new)
   end
 
   def test_drops_respond_to_to_liquid
-    assert_equal "text1", Liquid::Template.parse("{{ product.to_liquid.texts.text }}").render!('product' => ProductDrop.new)
-    assert_equal "text1", Liquid::Template.parse('{{ product | map: "to_liquid" | map: "texts" | map: "text" }}').render!('product' => ProductDrop.new)
+    assert_equal 'text1', Liquid::Template.parse('{{ product.to_liquid.texts.text }}').render!('product' => ProductDrop.new)
+    assert_equal 'text1', Liquid::Template.parse('{{ product | map: "to_liquid" | map: "texts" | map: "text" }}').render!('product' => ProductDrop.new)
   end
 
   def test_text_drop
@@ -173,12 +175,12 @@ class DropsTest < Minitest::Test
   end
 
   def test_context_drop
-    output = Liquid::Template.parse(' {{ context.bar }} ').render!('context' => ContextDrop.new, 'bar' => "carrot")
+    output = Liquid::Template.parse(' {{ context.bar }} ').render!('context' => ContextDrop.new, 'bar' => 'carrot')
     assert_equal ' carrot ', output
   end
 
   def test_nested_context_drop
-    output = Liquid::Template.parse(' {{ product.context.foo }} ').render!('product' => ProductDrop.new, 'foo' => "monkey")
+    output = Liquid::Template.parse(' {{ product.context.foo }} ').render!('product' => ProductDrop.new, 'foo' => 'monkey')
     assert_equal ' monkey ', output
   end
 
@@ -188,7 +190,7 @@ class DropsTest < Minitest::Test
   end
 
   def test_object_methods_not_allowed
-    [:dup, :clone, :singleton_class, :eval, :class_eval, :inspect].each do |method|
+    %i[dup clone singleton_class eval class_eval inspect].each do |method|
       output = Liquid::Template.parse(" {{ product.#{method} }} ").render!('product' => ProductDrop.new)
       assert_equal '  ', output
     end
@@ -201,9 +203,9 @@ class DropsTest < Minitest::Test
   end
 
   def test_scope_though_proc
-    assert_equal '1', Liquid::Template.parse('{{ s }}').render!('context' => ContextDrop.new, 's' => proc{ |c| c['context.scopes'] })
-    assert_equal '2', Liquid::Template.parse('{%for i in dummy%}{{ s }}{%endfor%}').render!('context' => ContextDrop.new, 's' => proc{ |c| c['context.scopes'] }, 'dummy' => [1])
-    assert_equal '3', Liquid::Template.parse('{%for i in dummy%}{%for i in dummy%}{{ s }}{%endfor%}{%endfor%}').render!('context' => ContextDrop.new, 's' => proc{ |c| c['context.scopes'] }, 'dummy' => [1])
+    assert_equal '1', Liquid::Template.parse('{{ s }}').render!('context' => ContextDrop.new, 's' => proc { |c| c['context.scopes'] })
+    assert_equal '2', Liquid::Template.parse('{%for i in dummy%}{{ s }}{%endfor%}').render!('context' => ContextDrop.new, 's' => proc { |c| c['context.scopes'] }, 'dummy' => [1])
+    assert_equal '3', Liquid::Template.parse('{%for i in dummy%}{%for i in dummy%}{{ s }}{%endfor%}{%endfor%}').render!('context' => ContextDrop.new, 's' => proc { |c| c['context.scopes'] }, 'dummy' => [1])
   end
 
   def test_scope_with_assigns
@@ -232,7 +234,7 @@ class DropsTest < Minitest::Test
   end
 
   def test_enumerable_drop_will_invoke_liquid_method_missing_for_clashing_method_names
-    ["select", "each", "map", "cycle"].each do |method|
+    %w[select each map cycle].each do |method|
       assert_equal method.to_s, Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new)
       assert_equal method.to_s, Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new)
       assert_equal method.to_s, Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new)
@@ -241,20 +243,20 @@ class DropsTest < Minitest::Test
   end
 
   def test_some_enumerable_methods_still_get_invoked
-    [ :count, :max ].each do |method|
-      assert_equal "3", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new)
-      assert_equal "3", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new)
-      assert_equal "3", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new)
-      assert_equal "3", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new)
+    %i[count max].each do |method|
+      assert_equal '3', Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new)
+      assert_equal '3', Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new)
+      assert_equal '3', Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new)
+      assert_equal '3', Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new)
     end
 
-    assert_equal "yes", Liquid::Template.parse("{% if collection contains 3 %}yes{% endif %}").render!('collection' => RealEnumerableDrop.new)
+    assert_equal 'yes', Liquid::Template.parse('{% if collection contains 3 %}yes{% endif %}').render!('collection' => RealEnumerableDrop.new)
 
-    [ :min, :first ].each do |method|
-      assert_equal "1", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new)
-      assert_equal "1", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new)
-      assert_equal "1", Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new)
-      assert_equal "1", Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new)
+    %i[min first].each do |method|
+      assert_equal '1', Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => RealEnumerableDrop.new)
+      assert_equal '1', Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => RealEnumerableDrop.new)
+      assert_equal '1', Liquid::Template.parse("{{collection.#{method}}}").render!('collection' => EnumerableDrop.new)
+      assert_equal '1', Liquid::Template.parse("{{collection[\"#{method}\"]}}").render!('collection' => EnumerableDrop.new)
     end
   end
 
@@ -267,7 +269,7 @@ class DropsTest < Minitest::Test
   end
 
   def test_default_to_s_on_drops
-    assert_equal 'ProductDrop', Liquid::Template.parse("{{ product }}").render!('product' => ProductDrop.new)
+    assert_equal 'ProductDrop', Liquid::Template.parse('{{ product }}').render!('product' => ProductDrop.new)
     assert_equal 'EnumerableDrop', Liquid::Template.parse('{{ collection }}').render!('collection' => EnumerableDrop.new)
   end
 end # DropsTest

test/integration/error_handling_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class ErrorHandlingTest < Minitest::Test
@@ -83,15 +85,14 @@ class ErrorHandlingTest < Minitest::Test
 
   def test_with_line_numbers_adds_numbers_to_parser_errors
     err = assert_raises(SyntaxError) do
-      Liquid::Template.parse(%q(
+      Liquid::Template.parse('
           foobar
 
           {% "cat" | foobar %}
 
           bla
-        ),
-        line_numbers: true
-      )
+        ',
+                             line_numbers: true)
     end
 
     assert_match(/Liquid syntax error \(line 4\)/, err.message)
@@ -99,15 +100,14 @@ class ErrorHandlingTest < Minitest::Test
 
   def test_with_line_numbers_adds_numbers_to_parser_errors_with_whitespace_trim
     err = assert_raises(SyntaxError) do
-      Liquid::Template.parse(%q(
+      Liquid::Template.parse('
           foobar
 
           {%- "cat" | foobar -%}
 
           bla
-        ),
-        line_numbers: true
-      )
+        ',
+                             line_numbers: true)
     end
 
     assert_match(/Liquid syntax error \(line 4\)/, err.message)
@@ -121,12 +121,11 @@ class ErrorHandlingTest < Minitest::Test
 
         bla
             ',
-      error_mode: :warn,
-      line_numbers: true
-    )
+                                      error_mode: :warn,
+                                      line_numbers: true)
 
     assert_equal ['Liquid syntax error (line 4): Unexpected character = in "1 =! 2"'],
-      template.warnings.map(&:message)
+                 template.warnings.map(&:message)
   end
 
   def test_parsing_strict_with_line_numbers_adds_numbers_to_lexer_errors
@@ -138,9 +137,8 @@ class ErrorHandlingTest < Minitest::Test
 
           bla
                 ',
-        error_mode: :strict,
-        line_numbers: true
-      )
+                             error_mode: :strict,
+                             line_numbers: true)
     end
 
     assert_equal 'Liquid syntax error (line 4): Unexpected character = in "1 =! 2"', err.message
@@ -157,8 +155,7 @@ class ErrorHandlingTest < Minitest::Test
 
           bla
                 ',
-        line_numbers: true
-      )
+                             line_numbers: true)
     end
 
     assert_equal "Liquid syntax error (line 5): Unknown tag 'foo'", err.message
@@ -205,7 +202,7 @@ class ErrorHandlingTest < Minitest::Test
   def test_default_exception_renderer_with_internal_error
     template = Liquid::Template.parse('This is a runtime error: {{ errors.runtime_error }}', line_numbers: true)
 
-    output = template.render({ 'errors' => ErrorDrop.new })
+    output = template.render('errors' => ErrorDrop.new)
 
     assert_equal 'This is a runtime error: Liquid error (line 1): internal', output
     assert_equal [Liquid::InternalError], template.errors.map(&:class)
@@ -214,10 +211,13 @@ class ErrorHandlingTest < Minitest::Test
   def test_setting_default_exception_renderer
     old_exception_renderer = Liquid::Template.default_exception_renderer
     exceptions = []
-    Liquid::Template.default_exception_renderer = ->(e) { exceptions << e; '' }
+    Liquid::Template.default_exception_renderer = lambda { |e|
+      exceptions << e
+      ''
+    }
     template = Liquid::Template.parse('This is a runtime error: {{ errors.argument_error }}')
 
-    output = template.render({ 'errors' => ErrorDrop.new })
+    output = template.render('errors' => ErrorDrop.new)
 
     assert_equal 'This is a runtime error: ', output
     assert_equal [Liquid::ArgumentError], template.errors.map(&:class)
@@ -228,7 +228,10 @@ class ErrorHandlingTest < Minitest::Test
   def test_exception_renderer_exposing_non_liquid_error
     template = Liquid::Template.parse('This is a runtime error: {{ errors.runtime_error }}', line_numbers: true)
     exceptions = []
-    handler = ->(e) { exceptions << e; e.cause }
+    handler = lambda { |e|
+      exceptions << e
+      e.cause
+    }
 
     output = template.render({ 'errors' => ErrorDrop.new }, exception_renderer: handler)
 
@@ -239,8 +242,8 @@ class ErrorHandlingTest < Minitest::Test
   end
 
   class TestFileSystem
-    def read_template_file(template_path)
-      "{{ errors.argument_error }}"
+    def read_template_file(_template_path)
+      '{{ errors.argument_error }}'
     end
   end
 
@@ -255,6 +258,6 @@ class ErrorHandlingTest < Minitest::Test
       Liquid::Template.file_system = old_file_system
     end
     assert_equal "Argument error:\nLiquid error (product line 1): argument error", page
-    assert_equal "product", template.errors.first.template_name
+    assert_equal 'product', template.errors.first.template_name
   end
 end

test/integration/filter_test.rb

@@ -1,24 +1,26 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 module MoneyFilter
   def money(input)
-    sprintf(' %d$ ', input)
+    format(' %d$ ', input)
   end
 
   def money_with_underscore(input)
-    sprintf(' %d$ ', input)
+    format(' %d$ ', input)
   end
 end
 
 module CanadianMoneyFilter
   def money(input)
-    sprintf(' %d$ CAD ', input)
+    format(' %d$ CAD ', input)
   end
 end
 
 module SubstituteFilter
   def substitute(input, params = {})
-    input.gsub(/%\{(\w+)\}/) { |match| params[$1] }
+    input.gsub(/%\{(\w+)\}/) { |_match| params[Regexp.last_match(1)] }
   end
 end
 
@@ -26,8 +28,8 @@ class FiltersTest < Minitest::Test
   include Liquid
 
   module OverrideObjectMethodFilter
-    def tap(input)
-      "tap overridden"
+    def tap(_input)
+      'tap overridden'
     end
   end
 
@@ -39,13 +41,13 @@ class FiltersTest < Minitest::Test
     @context['var'] = 1000
     @context.add_filters(MoneyFilter)
 
-    assert_equal ' 1000$ ', Template.parse("{{var | money}}").render(@context)
+    assert_equal ' 1000$ ', Template.parse('{{var | money}}').render(@context)
   end
 
   def test_underscore_in_filter_name
     @context['var'] = 1000
     @context.add_filters(MoneyFilter)
-    assert_equal ' 1000$ ', Template.parse("{{var | money_with_underscore}}").render(@context)
+    assert_equal ' 1000$ ', Template.parse('{{var | money_with_underscore}}').render(@context)
   end
 
   def test_second_filter_overwrites_first
@@ -53,43 +55,43 @@ class FiltersTest < Minitest::Test
     @context.add_filters(MoneyFilter)
     @context.add_filters(CanadianMoneyFilter)
 
-    assert_equal ' 1000$ CAD ', Template.parse("{{var | money}}").render(@context)
+    assert_equal ' 1000$ CAD ', Template.parse('{{var | money}}').render(@context)
   end
 
   def test_size
     @context['var'] = 'abcd'
     @context.add_filters(MoneyFilter)
 
-    assert_equal '4', Template.parse("{{var | size}}").render(@context)
+    assert_equal '4', Template.parse('{{var | size}}').render(@context)
   end
 
   def test_join
     @context['var'] = [1, 2, 3, 4]
 
-    assert_equal "1 2 3 4", Template.parse("{{var | join}}").render(@context)
+    assert_equal '1 2 3 4', Template.parse('{{var | join}}').render(@context)
   end
 
   def test_sort
     @context['value'] = 3
     @context['numbers'] = [2, 1, 4, 3]
-    @context['words'] = ['expected', 'as', 'alphabetic']
-    @context['arrays'] = ['flower', 'are']
-    @context['case_sensitive'] = ['sensitive', 'Expected', 'case']
+    @context['words'] = %w[expected as alphabetic]
+    @context['arrays'] = %w[flower are]
+    @context['case_sensitive'] = %w[sensitive Expected case]
 
-    assert_equal '1 2 3 4', Template.parse("{{numbers | sort | join}}").render(@context)
-    assert_equal 'alphabetic as expected', Template.parse("{{words | sort | join}}").render(@context)
-    assert_equal '3', Template.parse("{{value | sort}}").render(@context)
-    assert_equal 'are flower', Template.parse("{{arrays | sort | join}}").render(@context)
-    assert_equal 'Expected case sensitive', Template.parse("{{case_sensitive | sort | join}}").render(@context)
+    assert_equal '1 2 3 4', Template.parse('{{numbers | sort | join}}').render(@context)
+    assert_equal 'alphabetic as expected', Template.parse('{{words | sort | join}}').render(@context)
+    assert_equal '3', Template.parse('{{value | sort}}').render(@context)
+    assert_equal 'are flower', Template.parse('{{arrays | sort | join}}').render(@context)
+    assert_equal 'Expected case sensitive', Template.parse('{{case_sensitive | sort | join}}').render(@context)
   end
 
   def test_sort_natural
-    @context['words'] = ['case', 'Assert', 'Insensitive']
+    @context['words'] = %w[case Assert Insensitive]
     @context['hashes'] = [{ 'a' => 'A' }, { 'a' => 'b' }, { 'a' => 'C' }]
     @context['objects'] = [TestObject.new('A'), TestObject.new('b'), TestObject.new('C')]
 
     # Test strings
-    assert_equal 'Assert case Insensitive', Template.parse("{{words | sort_natural | join}}").render(@context)
+    assert_equal 'Assert case Insensitive', Template.parse('{{words | sort_natural | join}}').render(@context)
 
     # Test hashes
     assert_equal 'A b C', Template.parse("{{hashes | sort_natural: 'a' | map: 'a' | join}}").render(@context)
@@ -104,7 +106,7 @@ class FiltersTest < Minitest::Test
     @context['objects'] = [TestObject.new('A'), TestObject.new(nil), TestObject.new('C')]
 
     # Test strings
-    assert_equal 'a b c', Template.parse("{{words | compact | join}}").render(@context)
+    assert_equal 'a b c', Template.parse('{{words | compact | join}}').render(@context)
 
     # Test hashes
     assert_equal 'A C', Template.parse("{{hashes | compact: 'a' | map: 'a' | join}}").render(@context)
@@ -114,27 +116,27 @@ class FiltersTest < Minitest::Test
   end
 
   def test_strip_html
-    @context['var'] = "<b>bla blub</a>"
+    @context['var'] = '<b>bla blub</a>'
 
-    assert_equal "bla blub", Template.parse("{{ var | strip_html }}").render(@context)
+    assert_equal 'bla blub', Template.parse('{{ var | strip_html }}').render(@context)
   end
 
   def test_strip_html_ignore_comments_with_html
-    @context['var'] = "<!-- split and some <ul> tag --><b>bla blub</a>"
+    @context['var'] = '<!-- split and some <ul> tag --><b>bla blub</a>'
 
-    assert_equal "bla blub", Template.parse("{{ var | strip_html }}").render(@context)
+    assert_equal 'bla blub', Template.parse('{{ var | strip_html }}').render(@context)
   end
 
   def test_capitalize
-    @context['var'] = "blub"
+    @context['var'] = 'blub'
 
-    assert_equal "Blub", Template.parse("{{ var | capitalize }}").render(@context)
+    assert_equal 'Blub', Template.parse('{{ var | capitalize }}').render(@context)
   end
 
   def test_nonexistent_filter_is_ignored
     @context['var'] = 1000
 
-    assert_equal '1000', Template.parse("{{ var | xyzzy }}").render(@context)
+    assert_equal '1000', Template.parse('{{ var | xyzzy }}').render(@context)
   end
 
   def test_filter_with_keyword_arguments
@@ -146,10 +148,10 @@ class FiltersTest < Minitest::Test
   end
 
   def test_override_object_method_in_filter
-    assert_equal "tap overridden", Template.parse("{{var | tap}}").render!({ 'var' => 1000 }, filters: [OverrideObjectMethodFilter])
+    assert_equal 'tap overridden', Template.parse('{{var | tap}}').render!({ 'var' => 1000 }, filters: [OverrideObjectMethodFilter])
 
     # tap still treated as a non-existent filter
-    assert_equal "1000", Template.parse("{{var | tap}}").render!({ 'var' => 1000 })
+    assert_equal '1000', Template.parse('{{var | tap}}').render!('var' => 1000)
   end
 end
 
@@ -158,15 +160,15 @@ class FiltersInTemplate < Minitest::Test
 
   def test_local_global
     with_global_filter(MoneyFilter) do
-      assert_equal " 1000$ ", Template.parse("{{1000 | money}}").render!(nil, nil)
-      assert_equal " 1000$ CAD ", Template.parse("{{1000 | money}}").render!(nil, filters: CanadianMoneyFilter)
-      assert_equal " 1000$ CAD ", Template.parse("{{1000 | money}}").render!(nil, filters: [CanadianMoneyFilter])
+      assert_equal ' 1000$ ', Template.parse('{{1000 | money}}').render!(nil, nil)
+      assert_equal ' 1000$ CAD ', Template.parse('{{1000 | money}}').render!(nil, filters: CanadianMoneyFilter)
+      assert_equal ' 1000$ CAD ', Template.parse('{{1000 | money}}').render!(nil, filters: [CanadianMoneyFilter])
     end
   end
 
   def test_local_filter_with_deprecated_syntax
-    assert_equal " 1000$ CAD ", Template.parse("{{1000 | money}}").render!(nil, CanadianMoneyFilter)
-    assert_equal " 1000$ CAD ", Template.parse("{{1000 | money}}").render!(nil, [CanadianMoneyFilter])
+    assert_equal ' 1000$ CAD ', Template.parse('{{1000 | money}}').render!(nil, CanadianMoneyFilter)
+    assert_equal ' 1000$ CAD ', Template.parse('{{1000 | money}}').render!(nil, [CanadianMoneyFilter])
   end
 end # FiltersTest
 

test/integration/hash_ordering_test.rb

@@ -1,15 +1,17 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class HashOrderingTest < Minitest::Test
   module MoneyFilter
     def money(input)
-      sprintf(' %d$ ', input)
+      format(' %d$ ', input)
     end
   end
 
   module CanadianMoneyFilter
     def money(input)
-      sprintf(' %d$ CAD ', input)
+      format(' %d$ CAD ', input)
     end
   end
 
@@ -17,7 +19,7 @@ class HashOrderingTest < Minitest::Test
 
   def test_global_register_order
     with_global_filter(MoneyFilter, CanadianMoneyFilter) do
-      assert_equal " 1000$ CAD ", Template.parse("{{1000 | money}}").render(nil, nil)
+      assert_equal ' 1000$ CAD ', Template.parse('{{1000 | money}}').render(nil, nil)
     end
   end
 end

test/integration/output_test.rb

@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 module FunnyFilter
-  def make_funny(input)
+  def make_funny(_input)
     'LOL'
   end
 
@@ -9,11 +11,11 @@ module FunnyFilter
     "LOL: #{input}"
   end
 
-  def add_smiley(input, smiley = ":-)")
+  def add_smiley(input, smiley = ':-)')
     "#{input} #{smiley}"
   end
 
-  def add_tag(input, tag = "p", id = "foo")
+  def add_tag(input, tag = 'p', id = 'foo')
     %(<#{tag} id="#{id}">#{input}</#{tag}>)
   end
 
@@ -32,7 +34,7 @@ class OutputTest < Minitest::Test
   def setup
     @assigns = {
       'best_cars' => 'bmw',
-      'car' => { 'bmw' => 'good', 'gm' => 'bad' }
+      'car' => { 'bmw' => 'good', 'gm' => 'bad' },
     }
   end
 
@@ -45,9 +47,9 @@ class OutputTest < Minitest::Test
 
   def test_variable_traversing_with_two_brackets
     text = %({{ site.data.menu[include.menu][include.locale] }})
-    assert_equal "it works!", Template.parse(text).render!(
-      "site" => { "data" => { "menu" => { "foo" => { "bar" => "it works!" } } } },
-      "include" => { "menu" => "foo", "locale" => "bar" }
+    assert_equal 'it works!', Template.parse(text).render!(
+      'site' => { 'data' => { 'menu' => { 'foo' => { 'bar' => 'it works!' } } } },
+      'include' => { 'menu' => 'foo', 'locale' => 'bar' }
     )
   end
 

test/integration/parse_tree_visitor_test.rb

@@ -7,217 +7,217 @@ class ParseTreeVisitorTest < Minitest::Test
 
   def test_variable
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({{ test }}))
     )
   end
 
   def test_varible_with_filter
     assert_equal(
-      ["test", "infilter"],
+      %w[test infilter],
       visit(%({{ test | split: infilter }}))
     )
   end
 
   def test_dynamic_variable
     assert_equal(
-      ["test", "inlookup"],
+      %w[test inlookup],
       visit(%({{ test[inlookup] }}))
     )
   end
 
   def test_if_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if test %}{% endif %}))
     )
   end
 
   def test_complex_if_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if 1 == 1 and 2 == test %}{% endif %}))
     )
   end
 
   def test_if_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if 1 == 1 %}{{ test }}{% endif %}))
     )
   end
 
   def test_unless_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% unless test %}{% endunless %}))
     )
   end
 
   def test_complex_unless_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% unless 1 == 1 and 2 == test %}{% endunless %}))
     )
   end
 
   def test_unless_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% unless 1 == 1 %}{{ test }}{% endunless %}))
     )
   end
 
   def test_elsif_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if 1 == 1 %}{% elsif test %}{% endif %}))
     )
   end
 
   def test_complex_elsif_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if 1 == 1 %}{% elsif 1 == 1 and 2 == test %}{% endif %}))
     )
   end
 
   def test_elsif_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if 1 == 1 %}{% elsif 2 == 2 %}{{ test }}{% endif %}))
     )
   end
 
   def test_else_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% if 1 == 1 %}{% else %}{{ test }}{% endif %}))
     )
   end
 
   def test_case_left
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% case test %}{% endcase %}))
     )
   end
 
   def test_case_condition
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% case 1 %}{% when test %}{% endcase %}))
     )
   end
 
   def test_case_when_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% case 1 %}{% when 2 %}{{ test }}{% endcase %}))
     )
   end
 
   def test_case_else_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% case 1 %}{% else %}{{ test }}{% endcase %}))
     )
   end
 
   def test_for_in
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% for x in test %}{% endfor %}))
     )
   end
 
   def test_for_limit
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% for x in (1..5) limit: test %}{% endfor %}))
     )
   end
 
   def test_for_offset
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% for x in (1..5) offset: test %}{% endfor %}))
     )
   end
 
   def test_for_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% for x in (1..5) %}{{ test }}{% endfor %}))
     )
   end
 
   def test_tablerow_in
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% tablerow x in test %}{% endtablerow %}))
     )
   end
 
   def test_tablerow_limit
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% tablerow x in (1..5) limit: test %}{% endtablerow %}))
     )
   end
 
   def test_tablerow_offset
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% tablerow x in (1..5) offset: test %}{% endtablerow %}))
     )
   end
 
   def test_tablerow_body
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% tablerow x in (1..5) %}{{ test }}{% endtablerow %}))
     )
   end
 
   def test_cycle
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% cycle test %}))
     )
   end
 
   def test_assign
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% assign x = test %}))
     )
   end
 
   def test_capture
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% capture x %}{{ test }}{% endcapture %}))
     )
   end
 
   def test_include
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% include test %}))
     )
   end
 
   def test_include_with
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% include "hai" with test %}))
     )
   end
 
   def test_include_for
     assert_equal(
-      ["test"],
+      ['test'],
       visit(%({% include "hai" for test %}))
     )
   end
@@ -225,9 +225,9 @@ class ParseTreeVisitorTest < Minitest::Test
   def test_preserve_tree_structure
     assert_equal(
       [[nil, [
-        [nil, [[nil, [["other", []]]]]],
-        ["test", []],
-        ["xs", []]
+        [nil, [[nil, [['other', []]]]]],
+        ['test', []],
+        ['xs', []],
       ]]],
       traversal(%({% for x in xs offset: test %}{{ other }}{% endfor %})).visit
     )

test/integration/parsing_quirks_test.rb

@@ -1,41 +1,43 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class ParsingQuirksTest < Minitest::Test
   include Liquid
 
   def test_parsing_css
-    text = " div { font-weight: bold; } "
+    text = ' div { font-weight: bold; } '
     assert_equal text, Template.parse(text).render!
   end
 
   def test_raise_on_single_close_bracet
     assert_raises(SyntaxError) do
-      Template.parse("text {{method} oh nos!")
+      Template.parse('text {{method} oh nos!')
     end
   end
 
   def test_raise_on_label_and_no_close_bracets
     assert_raises(SyntaxError) do
-      Template.parse("TEST {{ ")
+      Template.parse('TEST {{ ')
     end
   end
 
   def test_raise_on_label_and_no_close_bracets_percent
     assert_raises(SyntaxError) do
-      Template.parse("TEST {% ")
+      Template.parse('TEST {% ')
     end
   end
 
   def test_error_on_empty_filter
-    assert Template.parse("{{test}}")
+    assert Template.parse('{{test}}')
 
     with_error_mode(:lax) do
-      assert Template.parse("{{|test}}")
+      assert Template.parse('{{|test}}')
     end
 
     with_error_mode(:strict) do
-      assert_raises(SyntaxError) { Template.parse("{{|test}}") }
-      assert_raises(SyntaxError) { Template.parse("{{test |a|b|}}") }
+      assert_raises(SyntaxError) { Template.parse('{{|test}}') }
+      assert_raises(SyntaxError) { Template.parse('{{test |a|b|}}') }
     end
   end
 
@@ -51,20 +53,20 @@ class ParsingQuirksTest < Minitest::Test
   def test_unexpected_characters_syntax_error
     with_error_mode(:strict) do
       assert_raises(SyntaxError) do
-        markup = "true && false"
+        markup = 'true && false'
         Template.parse("{% if #{markup} %} YES {% endif %}")
       end
       assert_raises(SyntaxError) do
-        markup = "false || true"
+        markup = 'false || true'
         Template.parse("{% if #{markup} %} YES {% endif %}")
       end
     end
   end
 
   def test_no_error_on_lax_empty_filter
-    assert Template.parse("{{test |a|b|}}", error_mode: :lax)
-    assert Template.parse("{{test}}", error_mode: :lax)
-    assert Template.parse("{{|test|}}", error_mode: :lax)
+    assert Template.parse('{{test |a|b|}}', error_mode: :lax)
+    assert Template.parse('{{test}}', error_mode: :lax)
+    assert Template.parse('{{|test|}}', error_mode: :lax)
   end
 
   def test_meaningless_parens_lax
@@ -77,9 +79,9 @@ class ParsingQuirksTest < Minitest::Test
 
   def test_unexpected_characters_silently_eat_logic_lax
     with_error_mode(:lax) do
-      markup = "true && false"
+      markup = 'true && false'
       assert_template_result(' YES ', "{% if #{markup} %} YES {% endif %}")
-      markup = "false || true"
+      markup = 'false || true'
       assert_template_result('', "{% if #{markup} %} YES {% endif %}")
     end
   end
@@ -112,7 +114,7 @@ class ParsingQuirksTest < Minitest::Test
 
   def test_extra_dots_in_ranges
     with_error_mode(:lax) do
-      assert_template_result('12345', "{% for i in (1...5) %}{{ i }}{% endfor %}")
+      assert_template_result('12345', '{% for i in (1...5) %}{{ i }}{% endfor %}')
     end
   end
 

test/integration/render_profiling_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class RenderProfilingTest < Minitest::Test
@@ -72,7 +74,7 @@ class RenderProfilingTest < Minitest::Test
     t = Template.parse("{% include 'a_template' %}", profile: true)
     t.render!
 
-    assert t.profiler.total_render_time >= 0, "Total render time was not calculated"
+    assert t.profiler.total_render_time >= 0, 'Total render time was not calculated'
   end
 
   def test_profiling_uses_include_to_mark_children
@@ -89,7 +91,7 @@ class RenderProfilingTest < Minitest::Test
 
     include_node = t.profiler[1]
     include_node.children.each do |child|
-      assert_equal "a_template", child.partial
+      assert_equal 'a_template', child.partial
     end
   end
 
@@ -99,12 +101,12 @@ class RenderProfilingTest < Minitest::Test
 
     a_template = t.profiler[1]
     a_template.children.each do |child|
-      assert_equal "a_template", child.partial
+      assert_equal 'a_template', child.partial
     end
 
     b_template = t.profiler[2]
     b_template.children.each do |child|
-      assert_equal "b_template", child.partial
+      assert_equal 'b_template', child.partial
     end
   end
 
@@ -114,12 +116,12 @@ class RenderProfilingTest < Minitest::Test
 
     a_template1 = t.profiler[1]
     a_template1.children.each do |child|
-      assert_equal "a_template", child.partial
+      assert_equal 'a_template', child.partial
     end
 
     a_template2 = t.profiler[2]
     a_template2.children.each do |child|
-      assert_equal "a_template", child.partial
+      assert_equal 'a_template', child.partial
     end
   end
 
@@ -128,7 +130,7 @@ class RenderProfilingTest < Minitest::Test
     t.render!
 
     timing_count = 0
-    t.profiler.each do |timing|
+    t.profiler.each do |_timing|
       timing_count += 1
     end
 
@@ -136,7 +138,7 @@ class RenderProfilingTest < Minitest::Test
   end
 
   def test_profiling_marks_children_of_if_blocks
-    t = Template.parse("{% if true %} {% increment test %} {{ test }} {% endif %}", profile: true)
+    t = Template.parse('{% if true %} {% increment test %} {{ test }} {% endif %}', profile: true)
     t.render!
 
     assert_equal 1, t.profiler.length
@@ -144,8 +146,8 @@ class RenderProfilingTest < Minitest::Test
   end
 
   def test_profiling_marks_children_of_for_blocks
-    t = Template.parse("{% for item in collection %} {{ item }} {% endfor %}", profile: true)
-    t.render!({ "collection" => ["one", "two"] })
+    t = Template.parse('{% for item in collection %} {{ item }} {% endfor %}', profile: true)
+    t.render!('collection' => %w[one two])
 
     assert_equal 1, t.profiler.length
     # Will profile each invocation of the for block

test/integration/security_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 module SecurityFilter
@@ -57,22 +59,22 @@ class SecurityTest < Minitest::Test
     current_symbols = Symbol.all_symbols
 
     assigns = { 'drop' => Drop.new }
-    assert_equal "", Template.parse("{{ drop.custom_method_1 }}", assigns).render!
-    assert_equal "", Template.parse("{{ drop.custom_method_2 }}", assigns).render!
-    assert_equal "", Template.parse("{{ drop.custom_method_3 }}", assigns).render!
+    assert_equal '', Template.parse('{{ drop.custom_method_1 }}', assigns).render!
+    assert_equal '', Template.parse('{{ drop.custom_method_2 }}', assigns).render!
+    assert_equal '', Template.parse('{{ drop.custom_method_3 }}', assigns).render!
 
     assert_equal [], (Symbol.all_symbols - current_symbols)
   end
 
   def test_max_depth_nested_blocks_does_not_raise_exception
     depth = Liquid::Block::MAX_DEPTH
-    code = "{% if true %}" * depth + "rendered" + "{% endif %}" * depth
-    assert_equal "rendered", Template.parse(code).render!
+    code = '{% if true %}' * depth + 'rendered' + '{% endif %}' * depth
+    assert_equal 'rendered', Template.parse(code).render!
   end
 
   def test_more_than_max_depth_nested_blocks_raises_exception
     depth = Liquid::Block::MAX_DEPTH + 1
-    code = "{% if true %}" * depth + "rendered" + "{% endif %}" * depth
+    code = '{% if true %}' * depth + 'rendered' + '{% endif %}' * depth
     assert_raises(Liquid::StackLevelError) do
       Template.parse(code).render!
     end

test/integration/standard_filter_test.rb

@@ -1,4 +1,4 @@
-# encoding: utf-8
+# frozen_string_literal: true
 
 require 'test_helper'
 
@@ -17,7 +17,7 @@ class TestThing
     "woot: #{@foo}"
   end
 
-  def [](whatever)
+  def [](_whatever)
     to_s
   end
 
@@ -29,7 +29,7 @@ end
 
 class TestDrop < Liquid::Drop
   def test
-    "testfoo"
+    'testfoo'
   end
 end
 
@@ -37,7 +37,7 @@ class TestEnumerable < Liquid::Drop
   include Enumerable
 
   def each(&block)
-    [ { "foo" => 1, "bar" => 2 }, { "foo" => 2, "bar" => 1 }, { "foo" => 3, "bar" => 3 } ].each(&block)
+    [{ 'foo' => 1, 'bar' => 2 }, { 'foo' => 2, 'bar' => 1 }, { 'foo' => 3, 'bar' => 3 }].each(&block)
   end
 end
 
@@ -65,12 +65,12 @@ class StandardFiltersTest < Minitest::Test
   end
 
   def test_downcase
-    assert_equal 'testing', @filters.downcase("Testing")
+    assert_equal 'testing', @filters.downcase('Testing')
     assert_equal '', @filters.downcase(nil)
   end
 
   def test_upcase
-    assert_equal 'TESTING', @filters.upcase("Testing")
+    assert_equal 'TESTING', @filters.upcase('Testing')
     assert_equal '', @filters.upcase(nil)
   end
 
@@ -91,22 +91,22 @@ class StandardFiltersTest < Minitest::Test
       @filters.slice('foobar', nil)
     end
     assert_raises(Liquid::ArgumentError) do
-      @filters.slice('foobar', 0, "")
+      @filters.slice('foobar', 0, '')
     end
   end
 
   def test_slice_on_arrays
     input = 'foobar'.split(//)
-    assert_equal %w(o o b), @filters.slice(input, 1, 3)
-    assert_equal %w(o o b a r), @filters.slice(input, 1, 1000)
-    assert_equal %w(), @filters.slice(input, 1, 0)
-    assert_equal %w(o), @filters.slice(input, 1, 1)
-    assert_equal %w(b a r), @filters.slice(input, 3, 3)
-    assert_equal %w(a r), @filters.slice(input, -2, 2)
-    assert_equal %w(a r), @filters.slice(input, -2, 1000)
-    assert_equal %w(r), @filters.slice(input, -1)
-    assert_equal %w(), @filters.slice(input, 100, 10)
-    assert_equal %w(), @filters.slice(input, -100, 10)
+    assert_equal %w[o o b], @filters.slice(input, 1, 3)
+    assert_equal %w[o o b a r], @filters.slice(input, 1, 1000)
+    assert_equal %w[], @filters.slice(input, 1, 0)
+    assert_equal %w[o], @filters.slice(input, 1, 1)
+    assert_equal %w[b a r], @filters.slice(input, 3, 3)
+    assert_equal %w[a r], @filters.slice(input, -2, 2)
+    assert_equal %w[a r], @filters.slice(input, -2, 1000)
+    assert_equal %w[r], @filters.slice(input, -1)
+    assert_equal %w[], @filters.slice(input, 100, 10)
+    assert_equal %w[], @filters.slice(input, -100, 10)
   end
 
   def test_truncate
@@ -114,16 +114,16 @@ class StandardFiltersTest < Minitest::Test
     assert_equal '1234567890', @filters.truncate('1234567890', 20)
     assert_equal '...', @filters.truncate('1234567890', 0)
     assert_equal '1234567890', @filters.truncate('1234567890')
-    assert_equal "测试...", @filters.truncate("测试测试测试测试", 5)
-    assert_equal '12341', @filters.truncate("1234567890", 5, 1)
+    assert_equal '测试...', @filters.truncate('测试测试测试测试', 5)
+    assert_equal '12341', @filters.truncate('1234567890', 5, 1)
   end
 
   def test_split
-    assert_equal ['12', '34'], @filters.split('12~34', '~')
+    assert_equal %w[12 34], @filters.split('12~34', '~')
     assert_equal ['A? ', ' ,Z'], @filters.split('A? ~ ~ ~ ,Z', '~ ~ ~')
     assert_equal ['A?Z'], @filters.split('A?Z', '~')
     assert_equal [], @filters.split(nil, ' ')
-    assert_equal ['A', 'Z'], @filters.split('A1Z', 1)
+    assert_equal %w[A Z], @filters.split('A1Z', 1)
   end
 
   def test_escape
@@ -169,12 +169,12 @@ class StandardFiltersTest < Minitest::Test
     assert_equal 'one two...', @filters.truncatewords('one two three', 2)
     assert_equal 'one two three', @filters.truncatewords('one two three')
     assert_equal 'Two small (13&#8221; x 5.5&#8221; x 10&#8221; high) baskets fit inside one large basket (13&#8221;...', @filters.truncatewords('Two small (13&#8221; x 5.5&#8221; x 10&#8221; high) baskets fit inside one large basket (13&#8221; x 16&#8221; x 10.5&#8221; high) with cover.', 15)
-    assert_equal "测试测试测试测试", @filters.truncatewords('测试测试测试测试', 5)
-    assert_equal 'one two1', @filters.truncatewords("one two three", 2, 1)
+    assert_equal '测试测试测试测试', @filters.truncatewords('测试测试测试测试', 5)
+    assert_equal 'one two1', @filters.truncatewords('one two three', 2, 1)
   end
 
   def test_strip_html
-    assert_equal 'test', @filters.strip_html("<div>test</div>")
+    assert_equal 'test', @filters.strip_html('<div>test</div>')
     assert_equal 'test', @filters.strip_html("<div id='test'>test</div>")
     assert_equal '', @filters.strip_html("<script type='text/javascript'>document.write('some stuff');</script>")
     assert_equal '', @filters.strip_html("<style type='text/css'>foo bar</style>")
@@ -183,7 +183,7 @@ class StandardFiltersTest < Minitest::Test
     assert_equal '', @filters.strip_html(nil)
 
     # Quirk of the existing implementation
-    assert_equal 'foo;', @filters.strip_html("<<<script </script>script>foo;</script>")
+    assert_equal 'foo;', @filters.strip_html('<<<script </script>script>foo;</script>')
   end
 
   def test_join
@@ -194,163 +194,163 @@ class StandardFiltersTest < Minitest::Test
 
   def test_sort
     assert_equal [1, 2, 3, 4], @filters.sort([4, 3, 2, 1])
-    assert_equal [{ "a" => 1 }, { "a" => 2 }, { "a" => 3 }, { "a" => 4 }], @filters.sort([{ "a" => 4 }, { "a" => 3 }, { "a" => 1 }, { "a" => 2 }], "a")
+    assert_equal [{ 'a' => 1 }, { 'a' => 2 }, { 'a' => 3 }, { 'a' => 4 }], @filters.sort([{ 'a' => 4 }, { 'a' => 3 }, { 'a' => 1 }, { 'a' => 2 }], 'a')
   end
 
   def test_sort_with_nils
     assert_equal [1, 2, 3, 4, nil], @filters.sort([nil, 4, 3, 2, 1])
-    assert_equal [{ "a" => 1 }, { "a" => 2 }, { "a" => 3 }, { "a" => 4 }, {}], @filters.sort([{ "a" => 4 }, { "a" => 3 }, {}, { "a" => 1 }, { "a" => 2 }], "a")
+    assert_equal [{ 'a' => 1 }, { 'a' => 2 }, { 'a' => 3 }, { 'a' => 4 }, {}], @filters.sort([{ 'a' => 4 }, { 'a' => 3 }, {}, { 'a' => 1 }, { 'a' => 2 }], 'a')
   end
 
   def test_sort_when_property_is_sometimes_missing_puts_nils_last
     input = [
-      { "price" => 4, "handle" => "alpha" },
-      { "handle" => "beta" },
-      { "price" => 1, "handle" => "gamma" },
-      { "handle" => "delta" },
-      { "price" => 2, "handle" => "epsilon" }
+      { 'price' => 4, 'handle' => 'alpha' },
+      { 'handle' => 'beta' },
+      { 'price' => 1, 'handle' => 'gamma' },
+      { 'handle' => 'delta' },
+      { 'price' => 2, 'handle' => 'epsilon' },
     ]
     expectation = [
-      { "price" => 1, "handle" => "gamma" },
-      { "price" => 2, "handle" => "epsilon" },
-      { "price" => 4, "handle" => "alpha" },
-      { "handle" => "delta" },
-      { "handle" => "beta" }
+      { 'price' => 1, 'handle' => 'gamma' },
+      { 'price' => 2, 'handle' => 'epsilon' },
+      { 'price' => 4, 'handle' => 'alpha' },
+      { 'handle' => 'delta' },
+      { 'handle' => 'beta' },
     ]
-    assert_equal expectation, @filters.sort(input, "price")
+    assert_equal expectation, @filters.sort(input, 'price')
   end
 
   def test_sort_natural
-    assert_equal ["a", "B", "c", "D"], @filters.sort_natural(["c", "D", "a", "B"])
-    assert_equal [{ "a" => "a" }, { "a" => "B" }, { "a" => "c" }, { "a" => "D" }], @filters.sort_natural([{ "a" => "D" }, { "a" => "c" }, { "a" => "a" }, { "a" => "B" }], "a")
+    assert_equal %w[a B c D], @filters.sort_natural(%w[c D a B])
+    assert_equal [{ 'a' => 'a' }, { 'a' => 'B' }, { 'a' => 'c' }, { 'a' => 'D' }], @filters.sort_natural([{ 'a' => 'D' }, { 'a' => 'c' }, { 'a' => 'a' }, { 'a' => 'B' }], 'a')
   end
 
   def test_sort_natural_with_nils
-    assert_equal ["a", "B", "c", "D", nil], @filters.sort_natural([nil, "c", "D", "a", "B"])
-    assert_equal [{ "a" => "a" }, { "a" => "B" }, { "a" => "c" }, { "a" => "D" }, {}], @filters.sort_natural([{ "a" => "D" }, { "a" => "c" }, {}, { "a" => "a" }, { "a" => "B" }], "a")
+    assert_equal ['a', 'B', 'c', 'D', nil], @filters.sort_natural([nil, 'c', 'D', 'a', 'B'])
+    assert_equal [{ 'a' => 'a' }, { 'a' => 'B' }, { 'a' => 'c' }, { 'a' => 'D' }, {}], @filters.sort_natural([{ 'a' => 'D' }, { 'a' => 'c' }, {}, { 'a' => 'a' }, { 'a' => 'B' }], 'a')
   end
 
   def test_sort_natural_when_property_is_sometimes_missing_puts_nils_last
     input = [
-      { "price" => "4", "handle" => "alpha" },
-      { "handle" => "beta" },
-      { "price" => "1", "handle" => "gamma" },
-      { "handle" => "delta" },
-      { "price" => 2, "handle" => "epsilon" }
+      { 'price' => '4', 'handle' => 'alpha' },
+      { 'handle' => 'beta' },
+      { 'price' => '1', 'handle' => 'gamma' },
+      { 'handle' => 'delta' },
+      { 'price' => 2, 'handle' => 'epsilon' },
     ]
     expectation = [
-      { "price" => "1", "handle" => "gamma" },
-      { "price" => 2, "handle" => "epsilon" },
-      { "price" => "4", "handle" => "alpha" },
-      { "handle" => "delta" },
-      { "handle" => "beta" }
+      { 'price' => '1', 'handle' => 'gamma' },
+      { 'price' => 2, 'handle' => 'epsilon' },
+      { 'price' => '4', 'handle' => 'alpha' },
+      { 'handle' => 'delta' },
+      { 'handle' => 'beta' },
     ]
-    assert_equal expectation, @filters.sort_natural(input, "price")
+    assert_equal expectation, @filters.sort_natural(input, 'price')
   end
 
   def test_sort_natural_case_check
     input = [
-      { "key" => "X" },
-      { "key" => "Y" },
-      { "key" => "Z" },
-      { "fake" => "t" },
-      { "key" => "a" },
-      { "key" => "b" },
-      { "key" => "c" }
+      { 'key' => 'X' },
+      { 'key' => 'Y' },
+      { 'key' => 'Z' },
+      { 'fake' => 't' },
+      { 'key' => 'a' },
+      { 'key' => 'b' },
+      { 'key' => 'c' },
     ]
     expectation = [
-      { "key" => "a" },
-      { "key" => "b" },
-      { "key" => "c" },
-      { "key" => "X" },
-      { "key" => "Y" },
-      { "key" => "Z" },
-      { "fake" => "t" }
+      { 'key' => 'a' },
+      { 'key' => 'b' },
+      { 'key' => 'c' },
+      { 'key' => 'X' },
+      { 'key' => 'Y' },
+      { 'key' => 'Z' },
+      { 'fake' => 't' },
     ]
-    assert_equal expectation, @filters.sort_natural(input, "key")
-    assert_equal ["a", "b", "c", "X", "Y", "Z"], @filters.sort_natural(["X", "Y", "Z", "a", "b", "c"])
+    assert_equal expectation, @filters.sort_natural(input, 'key')
+    assert_equal %w[a b c X Y Z], @filters.sort_natural(%w[X Y Z a b c])
   end
 
   def test_sort_empty_array
-    assert_equal [], @filters.sort([], "a")
+    assert_equal [], @filters.sort([], 'a')
   end
 
   def test_sort_invalid_property
     foo = [
       [1],
       [2],
-      [3]
+      [3],
     ]
 
     assert_raises Liquid::ArgumentError do
-      @filters.sort(foo, "bar")
+      @filters.sort(foo, 'bar')
     end
   end
 
   def test_sort_natural_empty_array
-    assert_equal [], @filters.sort_natural([], "a")
+    assert_equal [], @filters.sort_natural([], 'a')
   end
 
   def test_sort_natural_invalid_property
     foo = [
       [1],
       [2],
-      [3]
+      [3],
     ]
 
     assert_raises Liquid::ArgumentError do
-      @filters.sort_natural(foo, "bar")
+      @filters.sort_natural(foo, 'bar')
     end
   end
 
   def test_legacy_sort_hash
-    assert_equal [{ a: 1, b: 2 }], @filters.sort({ a: 1, b: 2 })
+    assert_equal [{ a: 1, b: 2 }], @filters.sort(a: 1, b: 2)
   end
 
   def test_numerical_vs_lexicographical_sort
     assert_equal [2, 10], @filters.sort([10, 2])
-    assert_equal [{ "a" => 2 }, { "a" => 10 }], @filters.sort([{ "a" => 10 }, { "a" => 2 }], "a")
-    assert_equal ["10", "2"], @filters.sort(["10", "2"])
-    assert_equal [{ "a" => "10" }, { "a" => "2" }], @filters.sort([{ "a" => "10" }, { "a" => "2" }], "a")
+    assert_equal [{ 'a' => 2 }, { 'a' => 10 }], @filters.sort([{ 'a' => 10 }, { 'a' => 2 }], 'a')
+    assert_equal %w[10 2], @filters.sort(%w[10 2])
+    assert_equal [{ 'a' => '10' }, { 'a' => '2' }], @filters.sort([{ 'a' => '10' }, { 'a' => '2' }], 'a')
   end
 
   def test_uniq
-    assert_equal ["foo"], @filters.uniq("foo")
+    assert_equal ['foo'], @filters.uniq('foo')
     assert_equal [1, 3, 2, 4], @filters.uniq([1, 1, 3, 2, 3, 1, 4, 3, 2, 1])
-    assert_equal [{ "a" => 1 }, { "a" => 3 }, { "a" => 2 }], @filters.uniq([{ "a" => 1 }, { "a" => 3 }, { "a" => 1 }, { "a" => 2 }], "a")
+    assert_equal [{ 'a' => 1 }, { 'a' => 3 }, { 'a' => 2 }], @filters.uniq([{ 'a' => 1 }, { 'a' => 3 }, { 'a' => 1 }, { 'a' => 2 }], 'a')
     testdrop = TestDrop.new
     assert_equal [testdrop], @filters.uniq([testdrop, TestDrop.new], 'test')
   end
 
   def test_uniq_empty_array
-    assert_equal [], @filters.uniq([], "a")
+    assert_equal [], @filters.uniq([], 'a')
   end
 
   def test_uniq_invalid_property
     foo = [
       [1],
       [2],
-      [3]
+      [3],
     ]
 
     assert_raises Liquid::ArgumentError do
-      @filters.uniq(foo, "bar")
+      @filters.uniq(foo, 'bar')
     end
   end
 
   def test_compact_empty_array
-    assert_equal [], @filters.compact([], "a")
+    assert_equal [], @filters.compact([], 'a')
   end
 
   def test_compact_invalid_property
     foo = [
       [1],
       [2],
-      [3]
+      [3],
     ]
 
     assert_raises Liquid::ArgumentError do
-      @filters.compact(foo, "bar")
+      @filters.compact(foo, 'bar')
     end
   end
 
@@ -363,71 +363,71 @@ class StandardFiltersTest < Minitest::Test
   end
 
   def test_map
-    assert_equal [1, 2, 3, 4], @filters.map([{ "a" => 1 }, { "a" => 2 }, { "a" => 3 }, { "a" => 4 }], 'a')
+    assert_equal [1, 2, 3, 4], @filters.map([{ 'a' => 1 }, { 'a' => 2 }, { 'a' => 3 }, { 'a' => 4 }], 'a')
     assert_template_result 'abc', "{{ ary | map:'foo' | map:'bar' }}",
-      'ary' => [{ 'foo' => { 'bar' => 'a' } }, { 'foo' => { 'bar' => 'b' } }, { 'foo' => { 'bar' => 'c' } }]
+                           'ary' => [{ 'foo' => { 'bar' => 'a' } }, { 'foo' => { 'bar' => 'b' } }, { 'foo' => { 'bar' => 'c' } }]
   end
 
   def test_map_doesnt_call_arbitrary_stuff
-    assert_template_result "", '{{ "foo" | map: "__id__" }}'
-    assert_template_result "", '{{ "foo" | map: "inspect" }}'
+    assert_template_result '', '{{ "foo" | map: "__id__" }}'
+    assert_template_result '', '{{ "foo" | map: "inspect" }}'
   end
 
   def test_map_calls_to_liquid
     t = TestThing.new
-    assert_template_result "woot: 1", '{{ foo | map: "whatever" }}', "foo" => [t]
+    assert_template_result 'woot: 1', '{{ foo | map: "whatever" }}', 'foo' => [t]
   end
 
   def test_map_on_hashes
-    assert_template_result "4217", '{{ thing | map: "foo" | map: "bar" }}',
-      "thing" => { "foo" => [ { "bar" => 42 }, { "bar" => 17 } ] }
+    assert_template_result '4217', '{{ thing | map: "foo" | map: "bar" }}',
+                           'thing' => { 'foo' => [{ 'bar' => 42 }, { 'bar' => 17 }] }
   end
 
   def test_legacy_map_on_hashes_with_dynamic_key
     template = "{% assign key = 'foo' %}{{ thing | map: key | map: 'bar' }}"
-    hash = { "foo" => { "bar" => 42 } }
-    assert_template_result "42", template, "thing" => hash
+    hash = { 'foo' => { 'bar' => 42 } }
+    assert_template_result '42', template, 'thing' => hash
   end
 
   def test_sort_calls_to_liquid
     t = TestThing.new
-    Liquid::Template.parse('{{ foo | sort: "whatever" }}').render("foo" => [t])
-    assert t.foo > 0
+    Liquid::Template.parse('{{ foo | sort: "whatever" }}').render('foo' => [t])
+    assert t.foo.positive?
   end
 
   def test_map_over_proc
     drop = TestDrop.new
-    p = proc{ drop }
+    p = proc { drop }
     templ = '{{ procs | map: "test" }}'
-    assert_template_result "testfoo", templ, "procs" => [p]
+    assert_template_result 'testfoo', templ, 'procs' => [p]
   end
 
   def test_map_over_drops_returning_procs
     drops = [
       {
-        "proc" => ->{ "foo" },
+        'proc' => -> { 'foo' },
       },
       {
-        "proc" => ->{ "bar" },
+        'proc' => -> { 'bar' },
       },
     ]
     templ = '{{ drops | map: "proc" }}'
-    assert_template_result "foobar", templ, "drops" => drops
+    assert_template_result 'foobar', templ, 'drops' => drops
   end
 
   def test_map_works_on_enumerables
-    assert_template_result "123", '{{ foo | map: "foo" }}', "foo" => TestEnumerable.new
+    assert_template_result '123', '{{ foo | map: "foo" }}', 'foo' => TestEnumerable.new
   end
 
   def test_map_returns_empty_on_2d_input_array
     foo = [
       [1],
       [2],
-      [3]
+      [3],
     ]
 
     assert_raises Liquid::ArgumentError do
-      @filters.map(foo, "bar")
+      @filters.map(foo, 'bar')
     end
   end
 
@@ -435,7 +435,7 @@ class StandardFiltersTest < Minitest::Test
     foo = [
       [1],
       [2],
-      [3]
+      [3],
     ]
     assert_raises Liquid::ArgumentError do
       @filters.map(foo, nil)
@@ -443,7 +443,7 @@ class StandardFiltersTest < Minitest::Test
   end
 
   def test_sort_works_on_enumerables
-    assert_template_result "213", '{{ foo | sort: "bar" | map: "foo" }}', "foo" => TestEnumerable.new
+    assert_template_result '213', '{{ foo | sort: "bar" | map: "foo" }}', 'foo' => TestEnumerable.new
   end
 
   def test_first_and_last_call_to_liquid
@@ -452,37 +452,37 @@ class StandardFiltersTest < Minitest::Test
   end
 
   def test_truncate_calls_to_liquid
-    assert_template_result "wo...", '{{ foo | truncate: 5 }}', "foo" => TestThing.new
+    assert_template_result 'wo...', '{{ foo | truncate: 5 }}', 'foo' => TestThing.new
   end
 
   def test_date
-    assert_equal 'May', @filters.date(Time.parse("2006-05-05 10:00:00"), "%B")
-    assert_equal 'June', @filters.date(Time.parse("2006-06-05 10:00:00"), "%B")
-    assert_equal 'July', @filters.date(Time.parse("2006-07-05 10:00:00"), "%B")
+    assert_equal 'May', @filters.date(Time.parse('2006-05-05 10:00:00'), '%B')
+    assert_equal 'June', @filters.date(Time.parse('2006-06-05 10:00:00'), '%B')
+    assert_equal 'July', @filters.date(Time.parse('2006-07-05 10:00:00'), '%B')
 
-    assert_equal 'May', @filters.date("2006-05-05 10:00:00", "%B")
-    assert_equal 'June', @filters.date("2006-06-05 10:00:00", "%B")
-    assert_equal 'July', @filters.date("2006-07-05 10:00:00", "%B")
+    assert_equal 'May', @filters.date('2006-05-05 10:00:00', '%B')
+    assert_equal 'June', @filters.date('2006-06-05 10:00:00', '%B')
+    assert_equal 'July', @filters.date('2006-07-05 10:00:00', '%B')
 
-    assert_equal '2006-07-05 10:00:00', @filters.date("2006-07-05 10:00:00", "")
-    assert_equal '2006-07-05 10:00:00', @filters.date("2006-07-05 10:00:00", "")
-    assert_equal '2006-07-05 10:00:00', @filters.date("2006-07-05 10:00:00", "")
-    assert_equal '2006-07-05 10:00:00', @filters.date("2006-07-05 10:00:00", nil)
+    assert_equal '2006-07-05 10:00:00', @filters.date('2006-07-05 10:00:00', '')
+    assert_equal '2006-07-05 10:00:00', @filters.date('2006-07-05 10:00:00', '')
+    assert_equal '2006-07-05 10:00:00', @filters.date('2006-07-05 10:00:00', '')
+    assert_equal '2006-07-05 10:00:00', @filters.date('2006-07-05 10:00:00', nil)
 
-    assert_equal '07/05/2006', @filters.date("2006-07-05 10:00:00", "%m/%d/%Y")
+    assert_equal '07/05/2006', @filters.date('2006-07-05 10:00:00', '%m/%d/%Y')
 
-    assert_equal "07/16/2004", @filters.date("Fri Jul 16 01:00:00 2004", "%m/%d/%Y")
+    assert_equal '07/16/2004', @filters.date('Fri Jul 16 01:00:00 2004', '%m/%d/%Y')
     assert_equal Date.today.year.to_s, @filters.date('now', '%Y')
     assert_equal Date.today.year.to_s, @filters.date('today', '%Y')
     assert_equal Date.today.year.to_s, @filters.date('Today', '%Y')
 
-    assert_nil @filters.date(nil, "%B")
+    assert_nil @filters.date(nil, '%B')
 
-    assert_equal '', @filters.date('', "%B")
+    assert_equal '', @filters.date('', '%B')
 
-    with_timezone("UTC") do
-      assert_equal "07/05/2006", @filters.date(1152098955, "%m/%d/%Y")
-      assert_equal "07/05/2006", @filters.date("1152098955", "%m/%d/%Y")
+    with_timezone('UTC') do
+      assert_equal '07/05/2006', @filters.date(1_152_098_955, '%m/%d/%Y')
+      assert_equal '07/05/2006', @filters.date('1152098955', '%m/%d/%Y')
     end
   end
 
@@ -502,10 +502,10 @@ class StandardFiltersTest < Minitest::Test
   end
 
   def test_remove
-    assert_equal '   ', @filters.remove("a a a a", 'a')
-    assert_equal '   ', @filters.remove("1 1 1 1", 1)
-    assert_equal 'a a a', @filters.remove_first("a a a a", 'a ')
-    assert_equal ' 1 1 1', @filters.remove_first("1 1 1 1", 1)
+    assert_equal '   ', @filters.remove('a a a a', 'a')
+    assert_equal '   ', @filters.remove('1 1 1 1', 1)
+    assert_equal 'a a a', @filters.remove_first('a a a a', 'a ')
+    assert_equal ' 1 1 1', @filters.remove_first('1 1 1 1', 1)
     assert_template_result 'a a a', "{{ 'a a a a' | remove_first: 'a ' }}"
   end
 
@@ -514,148 +514,148 @@ class StandardFiltersTest < Minitest::Test
   end
 
   def test_strip
-    assert_template_result 'ab c', "{{ source | strip }}", 'source' => " ab c  "
-    assert_template_result 'ab c', "{{ source | strip }}", 'source' => " \tab c  \n \t"
+    assert_template_result 'ab c', '{{ source | strip }}', 'source' => ' ab c  '
+    assert_template_result 'ab c', '{{ source | strip }}', 'source' => " \tab c  \n \t"
   end
 
   def test_lstrip
-    assert_template_result 'ab c  ', "{{ source | lstrip }}", 'source' => " ab c  "
-    assert_template_result "ab c  \n \t", "{{ source | lstrip }}", 'source' => " \tab c  \n \t"
+    assert_template_result 'ab c  ', '{{ source | lstrip }}', 'source' => ' ab c  '
+    assert_template_result "ab c  \n \t", '{{ source | lstrip }}', 'source' => " \tab c  \n \t"
   end
 
   def test_rstrip
-    assert_template_result " ab c", "{{ source | rstrip }}", 'source' => " ab c  "
-    assert_template_result " \tab c", "{{ source | rstrip }}", 'source' => " \tab c  \n \t"
+    assert_template_result ' ab c', '{{ source | rstrip }}', 'source' => ' ab c  '
+    assert_template_result " \tab c", '{{ source | rstrip }}', 'source' => " \tab c  \n \t"
   end
 
   def test_strip_newlines
-    assert_template_result 'abc', "{{ source | strip_newlines }}", 'source' => "a\nb\nc"
-    assert_template_result 'abc', "{{ source | strip_newlines }}", 'source' => "a\r\nb\nc"
+    assert_template_result 'abc', '{{ source | strip_newlines }}', 'source' => "a\nb\nc"
+    assert_template_result 'abc', '{{ source | strip_newlines }}', 'source' => "a\r\nb\nc"
   end
 
   def test_newlines_to_br
-    assert_template_result "a<br />\nb<br />\nc", "{{ source | newline_to_br }}", 'source' => "a\nb\nc"
+    assert_template_result "a<br />\nb<br />\nc", '{{ source | newline_to_br }}', 'source' => "a\nb\nc"
   end
 
   def test_plus
-    assert_template_result "2", "{{ 1 | plus:1 }}"
-    assert_template_result "2.0", "{{ '1' | plus:'1.0' }}"
+    assert_template_result '2', '{{ 1 | plus:1 }}'
+    assert_template_result '2.0', "{{ '1' | plus:'1.0' }}"
 
-    assert_template_result "5", "{{ price | plus:'2' }}", 'price' => NumberLikeThing.new(3)
+    assert_template_result '5', "{{ price | plus:'2' }}", 'price' => NumberLikeThing.new(3)
   end
 
   def test_minus
-    assert_template_result "4", "{{ input | minus:operand }}", 'input' => 5, 'operand' => 1
-    assert_template_result "2.3", "{{ '4.3' | minus:'2' }}"
+    assert_template_result '4', '{{ input | minus:operand }}', 'input' => 5, 'operand' => 1
+    assert_template_result '2.3', "{{ '4.3' | minus:'2' }}"
 
-    assert_template_result "5", "{{ price | minus:'2' }}", 'price' => NumberLikeThing.new(7)
+    assert_template_result '5', "{{ price | minus:'2' }}", 'price' => NumberLikeThing.new(7)
   end
 
   def test_abs
-    assert_template_result "17", "{{ 17 | abs }}"
-    assert_template_result "17", "{{ -17 | abs }}"
-    assert_template_result "17", "{{ '17' | abs }}"
-    assert_template_result "17", "{{ '-17' | abs }}"
-    assert_template_result "0", "{{ 0 | abs }}"
-    assert_template_result "0", "{{ '0' | abs }}"
-    assert_template_result "17.42", "{{ 17.42 | abs }}"
-    assert_template_result "17.42", "{{ -17.42 | abs }}"
-    assert_template_result "17.42", "{{ '17.42' | abs }}"
-    assert_template_result "17.42", "{{ '-17.42' | abs }}"
+    assert_template_result '17', '{{ 17 | abs }}'
+    assert_template_result '17', '{{ -17 | abs }}'
+    assert_template_result '17', "{{ '17' | abs }}"
+    assert_template_result '17', "{{ '-17' | abs }}"
+    assert_template_result '0', '{{ 0 | abs }}'
+    assert_template_result '0', "{{ '0' | abs }}"
+    assert_template_result '17.42', '{{ 17.42 | abs }}'
+    assert_template_result '17.42', '{{ -17.42 | abs }}'
+    assert_template_result '17.42', "{{ '17.42' | abs }}"
+    assert_template_result '17.42', "{{ '-17.42' | abs }}"
   end
 
   def test_times
-    assert_template_result "12", "{{ 3 | times:4 }}"
-    assert_template_result "0", "{{ 'foo' | times:4 }}"
-    assert_template_result "6", "{{ '2.1' | times:3 | replace: '.','-' | plus:0}}"
-    assert_template_result "7.25", "{{ 0.0725 | times:100 }}"
-    assert_template_result "-7.25", '{{ "-0.0725" | times:100 }}'
-    assert_template_result "7.25", '{{ "-0.0725" | times: -100 }}'
-    assert_template_result "4", "{{ price | times:2 }}", 'price' => NumberLikeThing.new(2)
+    assert_template_result '12', '{{ 3 | times:4 }}'
+    assert_template_result '0', "{{ 'foo' | times:4 }}"
+    assert_template_result '6', "{{ '2.1' | times:3 | replace: '.','-' | plus:0}}"
+    assert_template_result '7.25', '{{ 0.0725 | times:100 }}'
+    assert_template_result '-7.25', '{{ "-0.0725" | times:100 }}'
+    assert_template_result '7.25', '{{ "-0.0725" | times: -100 }}'
+    assert_template_result '4', '{{ price | times:2 }}', 'price' => NumberLikeThing.new(2)
   end
 
   def test_divided_by
-    assert_template_result "4", "{{ 12 | divided_by:3 }}"
-    assert_template_result "4", "{{ 14 | divided_by:3 }}"
+    assert_template_result '4', '{{ 12 | divided_by:3 }}'
+    assert_template_result '4', '{{ 14 | divided_by:3 }}'
 
-    assert_template_result "5", "{{ 15 | divided_by:3 }}"
-    assert_equal "Liquid error: divided by 0", Template.parse("{{ 5 | divided_by:0 }}").render
+    assert_template_result '5', '{{ 15 | divided_by:3 }}'
+    assert_equal 'Liquid error: divided by 0', Template.parse('{{ 5 | divided_by:0 }}').render
 
-    assert_template_result "0.5", "{{ 2.0 | divided_by:4 }}"
+    assert_template_result '0.5', '{{ 2.0 | divided_by:4 }}'
     assert_raises(Liquid::ZeroDivisionError) do
-      assert_template_result "4", "{{ 1 | modulo: 0 }}"
+      assert_template_result '4', '{{ 1 | modulo: 0 }}'
     end
 
-    assert_template_result "5", "{{ price | divided_by:2 }}", 'price' => NumberLikeThing.new(10)
+    assert_template_result '5', '{{ price | divided_by:2 }}', 'price' => NumberLikeThing.new(10)
   end
 
   def test_modulo
-    assert_template_result "1", "{{ 3 | modulo:2 }}"
+    assert_template_result '1', '{{ 3 | modulo:2 }}'
     assert_raises(Liquid::ZeroDivisionError) do
-      assert_template_result "4", "{{ 1 | modulo: 0 }}"
+      assert_template_result '4', '{{ 1 | modulo: 0 }}'
     end
 
-    assert_template_result "1", "{{ price | modulo:2 }}", 'price' => NumberLikeThing.new(3)
+    assert_template_result '1', '{{ price | modulo:2 }}', 'price' => NumberLikeThing.new(3)
   end
 
   def test_round
-    assert_template_result "5", "{{ input | round }}", 'input' => 4.6
-    assert_template_result "4", "{{ '4.3' | round }}"
-    assert_template_result "4.56", "{{ input | round: 2 }}", 'input' => 4.5612
+    assert_template_result '5', '{{ input | round }}', 'input' => 4.6
+    assert_template_result '4', "{{ '4.3' | round }}"
+    assert_template_result '4.56', '{{ input | round: 2 }}', 'input' => 4.5612
     assert_raises(Liquid::FloatDomainError) do
-      assert_template_result "4", "{{ 1.0 | divided_by: 0.0 | round }}"
+      assert_template_result '4', '{{ 1.0 | divided_by: 0.0 | round }}'
     end
 
-    assert_template_result "5", "{{ price | round }}", 'price' => NumberLikeThing.new(4.6)
-    assert_template_result "4", "{{ price | round }}", 'price' => NumberLikeThing.new(4.3)
+    assert_template_result '5', '{{ price | round }}', 'price' => NumberLikeThing.new(4.6)
+    assert_template_result '4', '{{ price | round }}', 'price' => NumberLikeThing.new(4.3)
   end
 
   def test_ceil
-    assert_template_result "5", "{{ input | ceil }}", 'input' => 4.6
-    assert_template_result "5", "{{ '4.3' | ceil }}"
+    assert_template_result '5', '{{ input | ceil }}', 'input' => 4.6
+    assert_template_result '5', "{{ '4.3' | ceil }}"
     assert_raises(Liquid::FloatDomainError) do
-      assert_template_result "4", "{{ 1.0 | divided_by: 0.0 | ceil }}"
+      assert_template_result '4', '{{ 1.0 | divided_by: 0.0 | ceil }}'
     end
 
-    assert_template_result "5", "{{ price | ceil }}", 'price' => NumberLikeThing.new(4.6)
+    assert_template_result '5', '{{ price | ceil }}', 'price' => NumberLikeThing.new(4.6)
   end
 
   def test_floor
-    assert_template_result "4", "{{ input | floor }}", 'input' => 4.6
-    assert_template_result "4", "{{ '4.3' | floor }}"
+    assert_template_result '4', '{{ input | floor }}', 'input' => 4.6
+    assert_template_result '4', "{{ '4.3' | floor }}"
     assert_raises(Liquid::FloatDomainError) do
-      assert_template_result "4", "{{ 1.0 | divided_by: 0.0 | floor }}"
+      assert_template_result '4', '{{ 1.0 | divided_by: 0.0 | floor }}'
     end
 
-    assert_template_result "5", "{{ price | floor }}", 'price' => NumberLikeThing.new(5.4)
+    assert_template_result '5', '{{ price | floor }}', 'price' => NumberLikeThing.new(5.4)
   end
 
   def test_at_most
-    assert_template_result "4", "{{ 5 | at_most:4 }}"
-    assert_template_result "5", "{{ 5 | at_most:5 }}"
-    assert_template_result "5", "{{ 5 | at_most:6 }}"
+    assert_template_result '4', '{{ 5 | at_most:4 }}'
+    assert_template_result '5', '{{ 5 | at_most:5 }}'
+    assert_template_result '5', '{{ 5 | at_most:6 }}'
 
-    assert_template_result "4.5", "{{ 4.5 | at_most:5 }}"
-    assert_template_result "5", "{{ width | at_most:5 }}", 'width' => NumberLikeThing.new(6)
-    assert_template_result "4", "{{ width | at_most:5 }}", 'width' => NumberLikeThing.new(4)
-    assert_template_result "4", "{{ 5 | at_most: width }}", 'width' => NumberLikeThing.new(4)
+    assert_template_result '4.5', '{{ 4.5 | at_most:5 }}'
+    assert_template_result '5', '{{ width | at_most:5 }}', 'width' => NumberLikeThing.new(6)
+    assert_template_result '4', '{{ width | at_most:5 }}', 'width' => NumberLikeThing.new(4)
+    assert_template_result '4', '{{ 5 | at_most: width }}', 'width' => NumberLikeThing.new(4)
   end
 
   def test_at_least
-    assert_template_result "5", "{{ 5 | at_least:4 }}"
-    assert_template_result "5", "{{ 5 | at_least:5 }}"
-    assert_template_result "6", "{{ 5 | at_least:6 }}"
+    assert_template_result '5', '{{ 5 | at_least:4 }}'
+    assert_template_result '5', '{{ 5 | at_least:5 }}'
+    assert_template_result '6', '{{ 5 | at_least:6 }}'
 
-    assert_template_result "5", "{{ 4.5 | at_least:5 }}"
-    assert_template_result "6", "{{ width | at_least:5 }}", 'width' => NumberLikeThing.new(6)
-    assert_template_result "5", "{{ width | at_least:5 }}", 'width' => NumberLikeThing.new(4)
-    assert_template_result "6", "{{ 5 | at_least: width }}", 'width' => NumberLikeThing.new(6)
+    assert_template_result '5', '{{ 4.5 | at_least:5 }}'
+    assert_template_result '6', '{{ width | at_least:5 }}', 'width' => NumberLikeThing.new(6)
+    assert_template_result '5', '{{ width | at_least:5 }}', 'width' => NumberLikeThing.new(4)
+    assert_template_result '6', '{{ 5 | at_least: width }}', 'width' => NumberLikeThing.new(6)
   end
 
   def test_append
     assigns = { 'a' => 'bc', 'b' => 'd' }
     assert_template_result('bcd', "{{ a | append: 'd'}}", assigns)
-    assert_template_result('bcd', "{{ a | append: b}}", assigns)
+    assert_template_result('bcd', '{{ a | append: b}}', assigns)
   end
 
   def test_concat
@@ -663,7 +663,7 @@ class StandardFiltersTest < Minitest::Test
     assert_equal [1, 2, 'a'],  @filters.concat([1, 2], ['a'])
     assert_equal [1, 2, 10],   @filters.concat([1, 2], [10])
 
-    assert_raises(Liquid::ArgumentError, "concat filter requires an array argument") do
+    assert_raises(Liquid::ArgumentError, 'concat filter requires an array argument') do
       @filters.concat([1, 2], 10)
     end
   end
@@ -671,16 +671,16 @@ class StandardFiltersTest < Minitest::Test
   def test_prepend
     assigns = { 'a' => 'bc', 'b' => 'a' }
     assert_template_result('abc', "{{ a | prepend: 'a'}}", assigns)
-    assert_template_result('abc', "{{ a | prepend: b}}", assigns)
+    assert_template_result('abc', '{{ a | prepend: b}}', assigns)
   end
 
   def test_default
-    assert_equal "foo", @filters.default("foo", "bar")
-    assert_equal "bar", @filters.default(nil, "bar")
-    assert_equal "bar", @filters.default("", "bar")
-    assert_equal "bar", @filters.default(false, "bar")
-    assert_equal "bar", @filters.default([], "bar")
-    assert_equal "bar", @filters.default({}, "bar")
+    assert_equal 'foo', @filters.default('foo', 'bar')
+    assert_equal 'bar', @filters.default(nil, 'bar')
+    assert_equal 'bar', @filters.default('', 'bar')
+    assert_equal 'bar', @filters.default(false, 'bar')
+    assert_equal 'bar', @filters.default([], 'bar')
+    assert_equal 'bar', @filters.default({}, 'bar')
   end
 
   def test_cannot_access_private_methods
@@ -694,74 +694,74 @@ class StandardFiltersTest < Minitest::Test
 
   def test_where
     input = [
-      { "handle" => "alpha", "ok" => true },
-      { "handle" => "beta", "ok" => false },
-      { "handle" => "gamma", "ok" => false },
-      { "handle" => "delta", "ok" => true }
+      { 'handle' => 'alpha', 'ok' => true },
+      { 'handle' => 'beta', 'ok' => false },
+      { 'handle' => 'gamma', 'ok' => false },
+      { 'handle' => 'delta', 'ok' => true },
     ]
 
     expectation = [
-      { "handle" => "alpha", "ok" => true },
-      { "handle" => "delta", "ok" => true }
+      { 'handle' => 'alpha', 'ok' => true },
+      { 'handle' => 'delta', 'ok' => true },
     ]
 
-    assert_equal expectation, @filters.where(input, "ok", true)
-    assert_equal expectation, @filters.where(input, "ok")
+    assert_equal expectation, @filters.where(input, 'ok', true)
+    assert_equal expectation, @filters.where(input, 'ok')
   end
 
   def test_where_no_key_set
     input = [
-      { "handle" => "alpha", "ok" => true },
-      { "handle" => "beta" },
-      { "handle" => "gamma" },
-      { "handle" => "delta", "ok" => true }
+      { 'handle' => 'alpha', 'ok' => true },
+      { 'handle' => 'beta' },
+      { 'handle' => 'gamma' },
+      { 'handle' => 'delta', 'ok' => true },
     ]
 
     expectation = [
-      { "handle" => "alpha", "ok" => true },
-      { "handle" => "delta", "ok" => true }
+      { 'handle' => 'alpha', 'ok' => true },
+      { 'handle' => 'delta', 'ok' => true },
     ]
 
-    assert_equal expectation, @filters.where(input, "ok", true)
-    assert_equal expectation, @filters.where(input, "ok")
+    assert_equal expectation, @filters.where(input, 'ok', true)
+    assert_equal expectation, @filters.where(input, 'ok')
   end
 
   def test_where_non_array_map_input
-    assert_equal [{ "a" => "ok" }], @filters.where({ "a" => "ok" }, "a", "ok")
-    assert_equal [], @filters.where({ "a" => "not ok" }, "a", "ok")
+    assert_equal [{ 'a' => 'ok' }], @filters.where({ 'a' => 'ok' }, 'a', 'ok')
+    assert_equal [], @filters.where({ 'a' => 'not ok' }, 'a', 'ok')
   end
 
   def test_where_indexable_but_non_map_value
-    assert_raises(Liquid::ArgumentError) { @filters.where(1, "ok", true) }
-    assert_raises(Liquid::ArgumentError) { @filters.where(1, "ok") }
+    assert_raises(Liquid::ArgumentError) { @filters.where(1, 'ok', true) }
+    assert_raises(Liquid::ArgumentError) { @filters.where(1, 'ok') }
   end
 
   def test_where_non_boolean_value
     input = [
-      { "message" => "Bonjour!", "language" => "French" },
-      { "message" => "Hello!", "language" => "English" },
-      { "message" => "Hallo!", "language" => "German" }
+      { 'message' => 'Bonjour!', 'language' => 'French' },
+      { 'message' => 'Hello!', 'language' => 'English' },
+      { 'message' => 'Hallo!', 'language' => 'German' },
     ]
 
-    assert_equal [{ "message" => "Bonjour!", "language" => "French" }], @filters.where(input, "language", "French")
-    assert_equal [{ "message" => "Hallo!", "language" => "German" }], @filters.where(input, "language", "German")
-    assert_equal [{ "message" => "Hello!", "language" => "English" }], @filters.where(input, "language", "English")
+    assert_equal [{ 'message' => 'Bonjour!', 'language' => 'French' }], @filters.where(input, 'language', 'French')
+    assert_equal [{ 'message' => 'Hallo!', 'language' => 'German' }], @filters.where(input, 'language', 'German')
+    assert_equal [{ 'message' => 'Hello!', 'language' => 'English' }], @filters.where(input, 'language', 'English')
   end
 
   def test_where_array_of_only_unindexable_values
-    assert_nil @filters.where([nil], "ok", true)
-    assert_nil @filters.where([nil], "ok")
+    assert_nil @filters.where([nil], 'ok', true)
+    assert_nil @filters.where([nil], 'ok')
   end
 
   def test_where_no_target_value
     input = [
-      { "foo" => false },
-      { "foo" => true },
-      { "foo" => "for sure" },
-      { "bar" => true }
+      { 'foo' => false },
+      { 'foo' => true },
+      { 'foo' => 'for sure' },
+      { 'bar' => true },
     ]
 
-    assert_equal [{ "foo" => true }, { "foo" => "for sure" }], @filters.where(input, "foo")
+    assert_equal [{ 'foo' => true }, { 'foo' => 'for sure' }], @filters.where(input, 'foo')
   end
 
   private

test/integration/tags/break_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class BreakTagTest < Minitest::Test

test/integration/tags/continue_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class ContinueTagTest < Minitest::Test

test/integration/tags/for_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class ThingWithValue < Liquid::Drop
@@ -23,16 +25,16 @@ class ForTagTest < Minitest::Test
   yo
 
 HERE
-    template = <<HERE
-{%for item in array%}
-  yo
-{%endfor%}
-HERE
+    template = <<~HERE
+      {%for item in array%}
+        yo
+      {%endfor%}
+    HERE
     assert_template_result(expected, template, 'array' => [1, 2, 3])
   end
 
   def test_for_reversed
-    assigns = { 'array' => [ 1, 2, 3] }
+    assigns = { 'array' => [1, 2, 3] }
     assert_template_result('321', '{%for item in array reversed %}{{item}}{%endfor%}', assigns)
   end
 
@@ -40,31 +42,31 @@ HERE
     assert_template_result(' 1  2  3 ', '{%for item in (1..3) %} {{item}} {%endfor%}')
 
     assert_raises(Liquid::ArgumentError) do
-      Template.parse('{% for i in (a..2) %}{% endfor %}').render!("a" => [1, 2])
+      Template.parse('{% for i in (a..2) %}{% endfor %}').render!('a' => [1, 2])
     end
 
-    assert_template_result(' 0  1  2  3 ', '{% for item in (a..3) %} {{item}} {% endfor %}', "a" => "invalid integer")
+    assert_template_result(' 0  1  2  3 ', '{% for item in (a..3) %} {{item}} {% endfor %}', 'a' => 'invalid integer')
   end
 
   def test_for_with_variable_range
-    assert_template_result(' 1  2  3 ', '{%for item in (1..foobar) %} {{item}} {%endfor%}', "foobar" => 3)
+    assert_template_result(' 1  2  3 ', '{%for item in (1..foobar) %} {{item}} {%endfor%}', 'foobar' => 3)
   end
 
   def test_for_with_hash_value_range
-    foobar = { "value" => 3 }
-    assert_template_result(' 1  2  3 ', '{%for item in (1..foobar.value) %} {{item}} {%endfor%}', "foobar" => foobar)
+    foobar = { 'value' => 3 }
+    assert_template_result(' 1  2  3 ', '{%for item in (1..foobar.value) %} {{item}} {%endfor%}', 'foobar' => foobar)
   end
 
   def test_for_with_drop_value_range
     foobar = ThingWithValue.new
-    assert_template_result(' 1  2  3 ', '{%for item in (1..foobar.value) %} {{item}} {%endfor%}', "foobar" => foobar)
+    assert_template_result(' 1  2  3 ', '{%for item in (1..foobar.value) %} {{item}} {%endfor%}', 'foobar' => foobar)
   end
 
   def test_for_with_variable
     assert_template_result(' 1  2  3 ', '{%for item in array%} {{item}} {%endfor%}', 'array' => [1, 2, 3])
     assert_template_result('123', '{%for item in array%}{{item}}{%endfor%}', 'array' => [1, 2, 3])
     assert_template_result('123', '{% for item in array %}{{item}}{% endfor %}', 'array' => [1, 2, 3])
-    assert_template_result('abcd', '{%for item in array%}{{item}}{%endfor%}', 'array' => ['a', 'b', 'c', 'd'])
+    assert_template_result('abcd', '{%for item in array%}{{item}}{%endfor%}', 'array' => %w[a b c d])
     assert_template_result('a b c', '{%for item in array%}{{item}}{%endfor%}', 'array' => ['a', ' ', 'b', ' ', 'c'])
     assert_template_result('abc', '{%for item in array%}{{item}}{%endfor%}', 'array' => ['a', '', 'b', '', 'c'])
   end
@@ -72,8 +74,8 @@ HERE
   def test_for_helpers
     assigns = { 'array' => [1, 2, 3] }
     assert_template_result(' 1/3  2/3  3/3 ',
-      '{%for item in array%} {{forloop.index}}/{{forloop.length}} {%endfor%}',
-      assigns)
+                           '{%for item in array%} {{forloop.index}}/{{forloop.length}} {%endfor%}',
+                           assigns)
     assert_template_result(' 1  2  3 ', '{%for item in array%} {{forloop.index}} {%endfor%}', assigns)
     assert_template_result(' 0  1  2 ', '{%for item in array%} {{forloop.index0}} {%endfor%}', assigns)
     assert_template_result(' 2  1  0 ', '{%for item in array%} {{forloop.rindex0}} {%endfor%}', assigns)
@@ -85,8 +87,8 @@ HERE
   def test_for_and_if
     assigns = { 'array' => [1, 2, 3] }
     assert_template_result('+--',
-      '{%for item in array%}{% if forloop.first %}+{% else %}-{% endif %}{%endfor%}',
-      assigns)
+                           '{%for item in array%}{% if forloop.first %}+{% else %}-{% endif %}{%endfor%}',
+                           assigns)
   end
 
   def test_for_else
@@ -114,7 +116,7 @@ HERE
     exception = assert_raises(Liquid::ArgumentError) do
       Template.parse(template).render!(assigns)
     end
-    assert_equal("Liquid error: invalid integer", exception.message)
+    assert_equal('Liquid error: invalid integer', exception.message)
   end
 
   def test_limiting_with_invalid_offset
@@ -128,7 +130,7 @@ HERE
     exception = assert_raises(Liquid::ArgumentError) do
       Template.parse(template).render!(assigns)
     end
-    assert_equal("Liquid error: invalid integer", exception.message)
+    assert_equal('Liquid error: invalid integer', exception.message)
   end
 
   def test_dynamic_variable_limiting
@@ -157,14 +159,14 @@ HERE
       {%for i in array.items offset:continue limit: 3 %}{{i}}{%endfor%}
       next
       {%for i in array.items offset:continue limit: 3 %}{{i}}{%endfor%}
-      MKUP
+    MKUP
     expected = <<-XPCTD
       123
       next
       456
       next
       789
-      XPCTD
+    XPCTD
     assert_template_result(expected, markup, assigns)
   end
 
@@ -176,14 +178,14 @@ HERE
       {%for i in array.items offset:continue limit:3 %}{{i}}{%endfor%}
       next
       {%for i in array.items offset:continue limit:1 %}{{i}}{%endfor%}
-      MKUP
+    MKUP
     expected = <<-XPCTD
       123
       next
       456
       next
       7
-      XPCTD
+    XPCTD
     assert_template_result(expected, markup, assigns)
   end
 
@@ -195,14 +197,14 @@ HERE
       {%for i in array.items offset:continue limit:3 %}{{i}}{%endfor%}
       next
       {%for i in array.items offset:continue limit:1000 %}{{i}}{%endfor%}
-      MKUP
+    MKUP
     expected = <<-XPCTD
       123
       next
       456
       next
       7890
-      XPCTD
+    XPCTD
     assert_template_result(expected, markup, assigns)
   end
 
@@ -225,19 +227,19 @@ HERE
     assigns = { 'array' => { 'items' => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] } }
 
     markup = '{% for i in array.items %}{% break %}{% endfor %}'
-    expected = ""
+    expected = ''
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{{ i }}{% break %}{% endfor %}'
-    expected = "1"
+    expected = '1'
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{% break %}{{ i }}{% endfor %}'
-    expected = ""
+    expected = ''
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{{ i }}{% if i > 3 %}{% break %}{% endif %}{% endfor %}'
-    expected = "1234"
+    expected = '1234'
     assert_template_result(expected, markup, assigns)
 
     # tests to ensure it only breaks out of the local for loop
@@ -265,23 +267,23 @@ HERE
     assigns = { 'array' => { 'items' => [1, 2, 3, 4, 5] } }
 
     markup = '{% for i in array.items %}{% continue %}{% endfor %}'
-    expected = ""
+    expected = ''
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{{ i }}{% continue %}{% endfor %}'
-    expected = "12345"
+    expected = '12345'
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{% continue %}{{ i }}{% endfor %}'
-    expected = ""
+    expected = ''
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{% if i > 3 %}{% continue %}{% endif %}{{ i }}{% endfor %}'
-    expected = "123"
+    expected = '123'
     assert_template_result(expected, markup, assigns)
 
     markup = '{% for i in array.items %}{% if i == 3 %}{% continue %}{% else %}{{ i }}{% endif %}{% endfor %}'
-    expected = "1245"
+    expected = '1245'
     assert_template_result(expected, markup, assigns)
 
     # tests to ensure it only continues the local for loop and not all of them.
@@ -310,41 +312,41 @@ HERE
     # the functionality for backwards compatibility
 
     assert_template_result('test string',
-      '{%for val in string%}{{val}}{%endfor%}',
-      'string' => "test string")
+                           '{%for val in string%}{{val}}{%endfor%}',
+                           'string' => 'test string')
 
     assert_template_result('test string',
-      '{%for val in string limit:1%}{{val}}{%endfor%}',
-      'string' => "test string")
+                           '{%for val in string limit:1%}{{val}}{%endfor%}',
+                           'string' => 'test string')
 
     assert_template_result('val-string-1-1-0-1-0-true-true-test string',
-      '{%for val in string%}' \
-      '{{forloop.name}}-' \
-      '{{forloop.index}}-' \
-      '{{forloop.length}}-' \
-      '{{forloop.index0}}-' \
-      '{{forloop.rindex}}-' \
-      '{{forloop.rindex0}}-' \
-      '{{forloop.first}}-' \
-      '{{forloop.last}}-' \
-      '{{val}}{%endfor%}',
-      'string' => "test string")
+                           '{%for val in string%}' \
+                           '{{forloop.name}}-' \
+                           '{{forloop.index}}-' \
+                           '{{forloop.length}}-' \
+                           '{{forloop.index0}}-' \
+                           '{{forloop.rindex}}-' \
+                           '{{forloop.rindex0}}-' \
+                           '{{forloop.first}}-' \
+                           '{{forloop.last}}-' \
+                           '{{val}}{%endfor%}',
+                           'string' => 'test string')
   end
 
   def test_for_parentloop_references_parent_loop
     assert_template_result('1.1 1.2 1.3 2.1 2.2 2.3 ',
-      '{% for inner in outer %}{% for k in inner %}' \
-      '{{ forloop.parentloop.index }}.{{ forloop.index }} ' \
-      '{% endfor %}{% endfor %}',
-      'outer' => [[1, 1, 1], [1, 1, 1]])
+                           '{% for inner in outer %}{% for k in inner %}' \
+                           '{{ forloop.parentloop.index }}.{{ forloop.index }} ' \
+                           '{% endfor %}{% endfor %}',
+                           'outer' => [[1, 1, 1], [1, 1, 1]])
   end
 
   def test_for_parentloop_nil_when_not_present
     assert_template_result('.1 .2 ',
-      '{% for inner in outer %}' \
-      '{{ forloop.parentloop.index }}.{{ forloop.index }} ' \
-      '{% endfor %}',
-      'outer' => [[1, 1, 1], [1, 1, 1]])
+                           '{% for inner in outer %}' \
+                           '{{ forloop.parentloop.index }}.{{ forloop.index }} ' \
+                           '{% endfor %}',
+                           'outer' => [[1, 1, 1], [1, 1, 1]])
   end
 
   def test_inner_for_over_empty_input
@@ -352,7 +354,7 @@ HERE
   end
 
   def test_blank_string_not_iterable
-    assert_template_result('', "{% for char in characters %}I WILL NOT BE OUTPUT{% endfor %}", 'characters' => '')
+    assert_template_result('', '{% for char in characters %}I WILL NOT BE OUTPUT{% endfor %}', 'characters' => '')
   end
 
   def test_bad_variable_naming_in_for_loop

test/integration/tags/if_else_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class IfElseTagTest < Minitest::Test
@@ -6,7 +8,7 @@ class IfElseTagTest < Minitest::Test
   def test_if
     assert_template_result('  ', ' {% if false %} this text should not go into the output {% endif %} ')
     assert_template_result('  this text should go into the output  ',
-      ' {% if true %} this text should go into the output {% endif %} ')
+                           ' {% if true %} this text should go into the output {% endif %} ')
     assert_template_result('  you rock ?', '{% if false %} you suck {% endif %} {% if true %} you rock {% endif %}?')
   end
 
@@ -49,12 +51,12 @@ class IfElseTagTest < Minitest::Test
 
   def test_comparison_of_expressions_starting_with_and_or_or
     assigns = { 'order' => { 'items_count' => 0 }, 'android' => { 'name' => 'Roy' } }
-    assert_template_result("YES",
-      "{% if android.name == 'Roy' %}YES{% endif %}",
-      assigns)
-    assert_template_result("YES",
-      "{% if order.items_count == 0 %}YES{% endif %}",
-      assigns)
+    assert_template_result('YES',
+                           "{% if android.name == 'Roy' %}YES{% endif %}",
+                           assigns)
+    assert_template_result('YES',
+                           '{% if order.items_count == 0 %}YES{% endif %}',
+                           assigns)
   end
 
   def test_if_and
@@ -75,14 +77,14 @@ class IfElseTagTest < Minitest::Test
     assert_template_result('', '{% if foo.bar %} NO {% endif %}', 'foo' => nil)
     assert_template_result('', '{% if foo.bar %} NO {% endif %}', 'foo' => true)
 
-    assert_template_result(' YES ', '{% if var %} YES {% endif %}', 'var' => "text")
+    assert_template_result(' YES ', '{% if var %} YES {% endif %}', 'var' => 'text')
     assert_template_result(' YES ', '{% if var %} YES {% endif %}', 'var' => true)
     assert_template_result(' YES ', '{% if var %} YES {% endif %}', 'var' => 1)
     assert_template_result(' YES ', '{% if var %} YES {% endif %}', 'var' => {})
     assert_template_result(' YES ', '{% if var %} YES {% endif %}', 'var' => [])
     assert_template_result(' YES ', '{% if "foo" %} YES {% endif %}')
     assert_template_result(' YES ', '{% if foo.bar %} YES {% endif %}', 'foo' => { 'bar' => true })
-    assert_template_result(' YES ', '{% if foo.bar %} YES {% endif %}', 'foo' => { 'bar' => "text" })
+    assert_template_result(' YES ', '{% if foo.bar %} YES {% endif %}', 'foo' => { 'bar' => 'text' })
     assert_template_result(' YES ', '{% if foo.bar %} YES {% endif %}', 'foo' => { 'bar' => 1 })
     assert_template_result(' YES ', '{% if foo.bar %} YES {% endif %}', 'foo' => { 'bar' => {} })
     assert_template_result(' YES ', '{% if foo.bar %} YES {% endif %}', 'foo' => { 'bar' => [] })
@@ -90,11 +92,11 @@ class IfElseTagTest < Minitest::Test
     assert_template_result(' YES ', '{% if var %} NO {% else %} YES {% endif %}', 'var' => false)
     assert_template_result(' YES ', '{% if var %} NO {% else %} YES {% endif %}', 'var' => nil)
     assert_template_result(' YES ', '{% if var %} YES {% else %} NO {% endif %}', 'var' => true)
-    assert_template_result(' YES ', '{% if "foo" %} YES {% else %} NO {% endif %}', 'var' => "text")
+    assert_template_result(' YES ', '{% if "foo" %} YES {% else %} NO {% endif %}', 'var' => 'text')
 
     assert_template_result(' YES ', '{% if foo.bar %} NO {% else %} YES {% endif %}', 'foo' => { 'bar' => false })
     assert_template_result(' YES ', '{% if foo.bar %} YES {% else %} NO {% endif %}', 'foo' => { 'bar' => true })
-    assert_template_result(' YES ', '{% if foo.bar %} YES {% else %} NO {% endif %}', 'foo' => { 'bar' => "text" })
+    assert_template_result(' YES ', '{% if foo.bar %} YES {% else %} NO {% endif %}', 'foo' => { 'bar' => 'text' })
     assert_template_result(' YES ', '{% if foo.bar %} NO {% else %} YES {% endif %}', 'foo' => { 'notbar' => true })
     assert_template_result(' YES ', '{% if foo.bar %} NO {% else %} YES {% endif %}', 'foo' => {})
     assert_template_result(' YES ', '{% if foo.bar %} NO {% else %} YES {% endif %}', 'notfoo' => { 'bar' => true })
@@ -132,7 +134,7 @@ class IfElseTagTest < Minitest::Test
   end
 
   def test_syntax_error_no_variable
-    assert_raises(SyntaxError){ assert_template_result('', '{% if jerry == 1 %}') }
+    assert_raises(SyntaxError) { assert_template_result('', '{% if jerry == 1 %}') }
   end
 
   def test_syntax_error_no_expression
@@ -154,7 +156,7 @@ class IfElseTagTest < Minitest::Test
     Condition.operators['contains'] = :[]
 
     assert_template_result('yes',
-      %({% if 'gnomeslab-and-or-liquid' contains 'gnomeslab-and-or-liquid' %}yes{% endif %}))
+                           %({% if 'gnomeslab-and-or-liquid' contains 'gnomeslab-and-or-liquid' %}yes{% endif %}))
   ensure
     Condition.operators['contains'] = original_op
   end
@@ -166,7 +168,7 @@ class IfElseTagTest < Minitest::Test
   end
 
   def test_multiple_conditions
-    tpl = "{% if a or b and c %}true{% else %}false{% endif %}"
+    tpl = '{% if a or b and c %}true{% else %}false{% endif %}'
 
     tests = {
       [true, true, true] => true,

test/integration/tags/include_tag_test.rb

@@ -1,37 +1,39 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class TestFileSystem
   def read_template_file(template_path)
     case template_path
-    when "product"
-      "Product: {{ product.title }} "
+    when 'product'
+      'Product: {{ product.title }} '
 
-    when "locale_variables"
-      "Locale: {{echo1}} {{echo2}}"
+    when 'locale_variables'
+      'Locale: {{echo1}} {{echo2}}'
 
-    when "variant"
-      "Variant: {{ variant.title }}"
+    when 'variant'
+      'Variant: {{ variant.title }}'
 
-    when "nested_template"
+    when 'nested_template'
       "{% include 'header' %} {% include 'body' %} {% include 'footer' %}"
 
-    when "body"
+    when 'body'
       "body {% include 'body_detail' %}"
 
-    when "nested_product_template"
+    when 'nested_product_template'
       "Product: {{ nested_product_template.title }} {%include 'details'%} "
 
-    when "recursively_nested_template"
+    when 'recursively_nested_template'
       "-{% include 'recursively_nested_template' %}"
 
-    when "pick_a_source"
-      "from TestFileSystem"
+    when 'pick_a_source'
+      'from TestFileSystem'
 
     when 'assignments'
       "{% assign foo = 'bar' %}"
 
     when 'break'
-      "{% break %}"
+      '{% break %}'
 
     else
       template_path
@@ -40,14 +42,14 @@ class TestFileSystem
 end
 
 class OtherFileSystem
-  def read_template_file(template_path)
+  def read_template_file(_template_path)
     'from OtherFileSystem'
   end
 end
 
 class CountingFileSystem
   attr_reader :count
-  def read_template_file(template_path)
+  def read_template_file(_template_path)
     @count ||= 0
     @count += 1
     'from CountingFileSystem'
@@ -55,18 +57,17 @@ class CountingFileSystem
 end
 
 class CustomInclude < Liquid::Tag
-  Syntax = /(#{Liquid::QuotedFragment}+)(\s+(?:with|for)\s+(#{Liquid::QuotedFragment}+))?/o
+  SYNTAX = /(#{Liquid::QUOTED_FRAGMENT}+)(\s+(?:with|for)\s+(#{Liquid::QUOTED_FRAGMENT}+))?/o.freeze
 
   def initialize(tag_name, markup, tokens)
-    markup =~ Syntax
-    @template_name = $1
+    markup =~ SYNTAX
+    @template_name = Regexp.last_match(1)
     super
   end
 
-  def parse(tokens)
-  end
+  def parse(tokens); end
 
-  def render_to_output_buffer(context, output)
+  def render_to_output_buffer(_context, output)
     output << @template_name[1..-2]
     output
   end
@@ -81,60 +82,60 @@ class IncludeTagTest < Minitest::Test
 
   def test_include_tag_looks_for_file_system_in_registers_first
     assert_equal 'from OtherFileSystem',
-      Template.parse("{% include 'pick_a_source' %}").render!({}, registers: { file_system: OtherFileSystem.new })
+                 Template.parse("{% include 'pick_a_source' %}").render!({}, registers: { file_system: OtherFileSystem.new })
   end
 
   def test_include_tag_with
-    assert_template_result "Product: Draft 151cm ",
-      "{% include 'product' with products[0] %}", "products" => [ { 'title' => 'Draft 151cm' }, { 'title' => 'Element 155cm' } ]
+    assert_template_result 'Product: Draft 151cm ',
+                           "{% include 'product' with products[0] %}", 'products' => [{ 'title' => 'Draft 151cm' }, { 'title' => 'Element 155cm' }]
   end
 
   def test_include_tag_with_default_name
-    assert_template_result "Product: Draft 151cm ",
-      "{% include 'product' %}", "product" => { 'title' => 'Draft 151cm' }
+    assert_template_result 'Product: Draft 151cm ',
+                           "{% include 'product' %}", 'product' => { 'title' => 'Draft 151cm' }
   end
 
   def test_include_tag_for
-    assert_template_result "Product: Draft 151cm Product: Element 155cm ",
-      "{% include 'product' for products %}", "products" => [ { 'title' => 'Draft 151cm' }, { 'title' => 'Element 155cm' } ]
+    assert_template_result 'Product: Draft 151cm Product: Element 155cm ',
+                           "{% include 'product' for products %}", 'products' => [{ 'title' => 'Draft 151cm' }, { 'title' => 'Element 155cm' }]
   end
 
   def test_include_tag_with_local_variables
-    assert_template_result "Locale: test123 ", "{% include 'locale_variables' echo1: 'test123' %}"
+    assert_template_result 'Locale: test123 ', "{% include 'locale_variables' echo1: 'test123' %}"
   end
 
   def test_include_tag_with_multiple_local_variables
-    assert_template_result "Locale: test123 test321",
-      "{% include 'locale_variables' echo1: 'test123', echo2: 'test321' %}"
+    assert_template_result 'Locale: test123 test321',
+                           "{% include 'locale_variables' echo1: 'test123', echo2: 'test321' %}"
   end
 
   def test_include_tag_with_multiple_local_variables_from_context
-    assert_template_result "Locale: test123 test321",
-      "{% include 'locale_variables' echo1: echo1, echo2: more_echos.echo2 %}",
-      'echo1' => 'test123', 'more_echos' => { "echo2" => 'test321' }
+    assert_template_result 'Locale: test123 test321',
+                           "{% include 'locale_variables' echo1: echo1, echo2: more_echos.echo2 %}",
+                           'echo1' => 'test123', 'more_echos' => { 'echo2' => 'test321' }
   end
 
   def test_included_templates_assigns_variables
-    assert_template_result "bar", "{% include 'assignments' %}{{ foo }}"
+    assert_template_result 'bar', "{% include 'assignments' %}{{ foo }}"
   end
 
   def test_nested_include_tag
-    assert_template_result "body body_detail", "{% include 'body' %}"
+    assert_template_result 'body body_detail', "{% include 'body' %}"
 
-    assert_template_result "header body body_detail footer", "{% include 'nested_template' %}"
+    assert_template_result 'header body body_detail footer', "{% include 'nested_template' %}"
   end
 
   def test_nested_include_with_variable
-    assert_template_result "Product: Draft 151cm details ",
-      "{% include 'nested_product_template' with product %}", "product" => { "title" => 'Draft 151cm' }
+    assert_template_result 'Product: Draft 151cm details ',
+                           "{% include 'nested_product_template' with product %}", 'product' => { 'title' => 'Draft 151cm' }
 
-    assert_template_result "Product: Draft 151cm details Product: Element 155cm details ",
-      "{% include 'nested_product_template' for products %}", "products" => [{ "title" => 'Draft 151cm' }, { "title" => 'Element 155cm' }]
+    assert_template_result 'Product: Draft 151cm details Product: Element 155cm details ',
+                           "{% include 'nested_product_template' for products %}", 'products' => [{ 'title' => 'Draft 151cm' }, { 'title' => 'Element 155cm' }]
   end
 
   def test_recursively_included_template_does_not_produce_endless_loop
     infinite_file_system = Class.new do
-      def read_template_file(template_path)
+      def read_template_file(_template_path)
         "-{% include 'loop' %}"
       end
     end
@@ -147,41 +148,41 @@ class IncludeTagTest < Minitest::Test
   end
 
   def test_dynamically_choosen_template
-    assert_template_result "Test123", "{% include template %}", "template" => 'Test123'
-    assert_template_result "Test321", "{% include template %}", "template" => 'Test321'
+    assert_template_result 'Test123', '{% include template %}', 'template' => 'Test123'
+    assert_template_result 'Test321', '{% include template %}', 'template' => 'Test321'
 
-    assert_template_result "Product: Draft 151cm ", "{% include template for product %}",
-      "template" => 'product', 'product' => { 'title' => 'Draft 151cm' }
+    assert_template_result 'Product: Draft 151cm ', '{% include template for product %}',
+                           'template' => 'product', 'product' => { 'title' => 'Draft 151cm' }
   end
 
   def test_include_tag_caches_second_read_of_same_partial
     file_system = CountingFileSystem.new
     assert_equal 'from CountingFileSystemfrom CountingFileSystem',
-      Template.parse("{% include 'pick_a_source' %}{% include 'pick_a_source' %}").render!({}, registers: { file_system: file_system })
+                 Template.parse("{% include 'pick_a_source' %}{% include 'pick_a_source' %}").render!({}, registers: { file_system: file_system })
     assert_equal 1, file_system.count
   end
 
   def test_include_tag_doesnt_cache_partials_across_renders
     file_system = CountingFileSystem.new
     assert_equal 'from CountingFileSystem',
-      Template.parse("{% include 'pick_a_source' %}").render!({}, registers: { file_system: file_system })
+                 Template.parse("{% include 'pick_a_source' %}").render!({}, registers: { file_system: file_system })
     assert_equal 1, file_system.count
 
     assert_equal 'from CountingFileSystem',
-      Template.parse("{% include 'pick_a_source' %}").render!({}, registers: { file_system: file_system })
+                 Template.parse("{% include 'pick_a_source' %}").render!({}, registers: { file_system: file_system })
     assert_equal 2, file_system.count
   end
 
   def test_include_tag_within_if_statement
-    assert_template_result "foo_if_true", "{% if true %}{% include 'foo_if_true' %}{% endif %}"
+    assert_template_result 'foo_if_true', "{% if true %}{% include 'foo_if_true' %}{% endif %}"
   end
 
   def test_custom_include_tag
     original_tag = Liquid::Template.tags['include']
     Liquid::Template.tags['include'] = CustomInclude
     begin
-      assert_equal "custom_foo",
-        Template.parse("{% include 'custom_foo' %}").render!
+      assert_equal 'custom_foo',
+                   Template.parse("{% include 'custom_foo' %}").render!
     ensure
       Liquid::Template.tags['include'] = original_tag
     end
@@ -191,8 +192,8 @@ class IncludeTagTest < Minitest::Test
     original_tag = Liquid::Template.tags['include']
     Liquid::Template.tags['include'] = CustomInclude
     begin
-      assert_equal "custom_foo_if_true",
-        Template.parse("{% if true %}{% include 'custom_foo_if_true' %}{% endif %}").render!
+      assert_equal 'custom_foo_if_true',
+                   Template.parse("{% if true %}{% include 'custom_foo_if_true' %}{% endif %}").render!
     ensure
       Liquid::Template.tags['include'] = original_tag
     end
@@ -208,16 +209,16 @@ class IncludeTagTest < Minitest::Test
 
   def test_passing_options_to_included_templates
     assert_raises(Liquid::SyntaxError) do
-      Template.parse("{% include template %}", error_mode: :strict).render!("template" => '{{ "X" || downcase }}')
+      Template.parse('{% include template %}', error_mode: :strict).render!('template' => '{{ "X" || downcase }}')
     end
     with_error_mode(:lax) do
-      assert_equal 'x', Template.parse("{% include template %}", error_mode: :strict, include_options_blacklist: true).render!("template" => '{{ "X" || downcase }}')
+      assert_equal 'x', Template.parse('{% include template %}', error_mode: :strict, include_options_blacklist: true).render!('template' => '{{ "X" || downcase }}')
     end
     assert_raises(Liquid::SyntaxError) do
-      Template.parse("{% include template %}", error_mode: :strict, include_options_blacklist: [:locale]).render!("template" => '{{ "X" || downcase }}')
+      Template.parse('{% include template %}', error_mode: :strict, include_options_blacklist: [:locale]).render!('template' => '{{ "X" || downcase }}')
     end
     with_error_mode(:lax) do
-      assert_equal 'x', Template.parse("{% include template %}", error_mode: :strict, include_options_blacklist: [:error_mode]).render!("template" => '{{ "X" || downcase }}')
+      assert_equal 'x', Template.parse('{% include template %}', error_mode: :strict, include_options_blacklist: [:error_mode]).render!('template' => '{{ "X" || downcase }}')
     end
   end
 
@@ -233,11 +234,11 @@ class IncludeTagTest < Minitest::Test
   end
 
   def test_including_via_variable_value
-    assert_template_result "from TestFileSystem", "{% assign page = 'pick_a_source' %}{% include page %}"
+    assert_template_result 'from TestFileSystem', "{% assign page = 'pick_a_source' %}{% include page %}"
 
-    assert_template_result "Product: Draft 151cm ", "{% assign page = 'product' %}{% include page %}", "product" => { 'title' => 'Draft 151cm' }
+    assert_template_result 'Product: Draft 151cm ', "{% assign page = 'product' %}{% include page %}", 'product' => { 'title' => 'Draft 151cm' }
 
-    assert_template_result "Product: Draft 151cm ", "{% assign page = 'product' %}{% include page for foo %}", "foo" => { 'title' => 'Draft 151cm' }
+    assert_template_result 'Product: Draft 151cm ', "{% assign page = 'product' %}{% include page for foo %}", 'foo' => { 'title' => 'Draft 151cm' }
   end
 
   def test_including_with_strict_variables
@@ -248,7 +249,7 @@ class IncludeTagTest < Minitest::Test
   end
 
   def test_break_through_include
-    assert_template_result "1", "{% for i in (1..3) %}{{ i }}{% break %}{{ i }}{% endfor %}"
-    assert_template_result "1", "{% for i in (1..3) %}{{ i }}{% include 'break' %}{{ i }}{% endfor %}"
+    assert_template_result '1', '{% for i in (1..3) %}{{ i }}{% break %}{{ i }}{% endfor %}'
+    assert_template_result '1', "{% for i in (1..3) %}{{ i }}{% include 'break' %}{{ i }}{% endfor %}"
   end
 end # IncludeTagTest

test/integration/tags/increment_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class IncrementTagTest < Minitest::Test
@@ -7,17 +9,17 @@ class IncrementTagTest < Minitest::Test
     assert_template_result('0', '{%increment port %}', {})
     assert_template_result('0 1', '{%increment port %} {%increment port%}', {})
     assert_template_result('0 0 1 2 1',
-      '{%increment port %} {%increment starboard%} ' \
-      '{%increment port %} {%increment port%} ' \
-      '{%increment starboard %}', {})
+                           '{%increment port %} {%increment starboard%} ' \
+                           '{%increment port %} {%increment port%} ' \
+                           '{%increment starboard %}', {})
   end
 
   def test_dec
-    assert_template_result('9', '{%decrement port %}', { 'port' => 10 })
+    assert_template_result('9', '{%decrement port %}', 'port' => 10)
     assert_template_result('-1 -2', '{%decrement port %} {%decrement port%}', {})
     assert_template_result('1 5 2 2 5',
-      '{%increment port %} {%increment starboard%} ' \
-      '{%increment port %} {%decrement port%} ' \
-      '{%decrement starboard %}', { 'port' => 1, 'starboard' => 5 })
+                           '{%increment port %} {%increment starboard%} ' \
+                           '{%increment port %} {%decrement port%} ' \
+                           '{%decrement starboard %}', 'port' => 1, 'starboard' => 5)
   end
 end

test/integration/tags/raw_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class RawTagTest < Minitest::Test
@@ -5,7 +7,7 @@ class RawTagTest < Minitest::Test
 
   def test_tag_in_raw
     assert_template_result '{% comment %} test {% endcomment %}',
-      '{% raw %}{% comment %} test {% endcomment %}{% endraw %}'
+                           '{% raw %}{% comment %} test {% endcomment %}{% endraw %}'
   end
 
   def test_output_in_raw

test/integration/tags/standard_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class StandardTagTest < Minitest::Test
@@ -5,7 +7,7 @@ class StandardTagTest < Minitest::Test
 
   def test_no_transform
     assert_template_result('this text should come out of the template without change...',
-      'this text should come out of the template without change...')
+                           'this text should come out of the template without change...')
 
     assert_template_result('blah', 'blah')
     assert_template_result('<blah>', '<blah>')
@@ -19,7 +21,7 @@ class StandardTagTest < Minitest::Test
 
   def test_has_a_block_which_does_nothing
     assert_template_result(%(the comment block should be removed  .. right?),
-      %(the comment block should be removed {%comment%} be gone.. {%endcomment%} .. right?))
+                           %(the comment block should be removed {%comment%} be gone.. {%endcomment%} .. right?))
 
     assert_template_result('', '{%comment%}{%endcomment%}')
     assert_template_result('', '{%comment%}{% endcomment %}')
@@ -61,60 +63,60 @@ class StandardTagTest < Minitest::Test
   def test_capture
     assigns = { 'var' => 'content' }
     assert_template_result('content foo content foo ',
-      '{{ var2 }}{% capture var2 %}{{ var }} foo {% endcapture %}{{ var2 }}{{ var2 }}',
-      assigns)
+                           '{{ var2 }}{% capture var2 %}{{ var }} foo {% endcapture %}{{ var2 }}{{ var2 }}',
+                           assigns)
   end
 
   def test_capture_detects_bad_syntax
     assert_raises(SyntaxError) do
       assert_template_result('content foo content foo ',
-        '{{ var2 }}{% capture %}{{ var }} foo {% endcapture %}{{ var2 }}{{ var2 }}',
-        { 'var' => 'content' })
+                             '{{ var2 }}{% capture %}{{ var }} foo {% endcapture %}{{ var2 }}{{ var2 }}',
+                             'var' => 'content')
     end
   end
 
   def test_case
     assigns = { 'condition' => 2 }
     assert_template_result(' its 2 ',
-      '{% case condition %}{% when 1 %} its 1 {% when 2 %} its 2 {% endcase %}',
-      assigns)
+                           '{% case condition %}{% when 1 %} its 1 {% when 2 %} its 2 {% endcase %}',
+                           assigns)
 
     assigns = { 'condition' => 1 }
     assert_template_result(' its 1 ',
-      '{% case condition %}{% when 1 %} its 1 {% when 2 %} its 2 {% endcase %}',
-      assigns)
+                           '{% case condition %}{% when 1 %} its 1 {% when 2 %} its 2 {% endcase %}',
+                           assigns)
 
     assigns = { 'condition' => 3 }
     assert_template_result('',
-      '{% case condition %}{% when 1 %} its 1 {% when 2 %} its 2 {% endcase %}',
-      assigns)
+                           '{% case condition %}{% when 1 %} its 1 {% when 2 %} its 2 {% endcase %}',
+                           assigns)
 
-    assigns = { 'condition' => "string here" }
+    assigns = { 'condition' => 'string here' }
     assert_template_result(' hit ',
-      '{% case condition %}{% when "string here" %} hit {% endcase %}',
-      assigns)
+                           '{% case condition %}{% when "string here" %} hit {% endcase %}',
+                           assigns)
 
-    assigns = { 'condition' => "bad string here" }
+    assigns = { 'condition' => 'bad string here' }
     assert_template_result('',
-      '{% case condition %}{% when "string here" %} hit {% endcase %}',\
-      assigns)
+                           '{% case condition %}{% when "string here" %} hit {% endcase %}',\
+                           assigns)
   end
 
   def test_case_with_else
     assigns = { 'condition' => 5 }
     assert_template_result(' hit ',
-      '{% case condition %}{% when 5 %} hit {% else %} else {% endcase %}',
-      assigns)
+                           '{% case condition %}{% when 5 %} hit {% else %} else {% endcase %}',
+                           assigns)
 
     assigns = { 'condition' => 6 }
     assert_template_result(' else ',
-      '{% case condition %}{% when 5 %} hit {% else %} else {% endcase %}',
-      assigns)
+                           '{% case condition %}{% when 5 %} hit {% else %} else {% endcase %}',
+                           assigns)
 
     assigns = { 'condition' => 6 }
     assert_template_result(' else ',
-      '{% case condition %} {% when 5 %} hit {% else %} else {% endcase %}',
-      assigns)
+                           '{% case condition %} {% when 5 %} hit {% else %} else {% endcase %}',
+                           assigns)
   end
 
   def test_case_on_size
@@ -128,87 +130,87 @@ class StandardTagTest < Minitest::Test
 
   def test_case_on_size_with_else
     assert_template_result('else',
-      '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
-      'a' => [])
+                           '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
+                           'a' => [])
 
     assert_template_result('1',
-      '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
-      'a' => [1])
+                           '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
+                           'a' => [1])
 
     assert_template_result('2',
-      '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
-      'a' => [1, 1])
+                           '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
+                           'a' => [1, 1])
 
     assert_template_result('else',
-      '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
-      'a' => [1, 1, 1])
+                           '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
+                           'a' => [1, 1, 1])
 
     assert_template_result('else',
-      '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
-      'a' => [1, 1, 1, 1])
+                           '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
+                           'a' => [1, 1, 1, 1])
 
     assert_template_result('else',
-      '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
-      'a' => [1, 1, 1, 1, 1])
+                           '{% case a.size %}{% when 1 %}1{% when 2 %}2{% else %}else{% endcase %}',
+                           'a' => [1, 1, 1, 1, 1])
   end
 
   def test_case_on_length_with_else
     assert_template_result('else',
-      '{% case a.empty? %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
-      {})
+                           '{% case a.empty? %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
+                           {})
 
     assert_template_result('false',
-      '{% case false %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
-      {})
+                           '{% case false %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
+                           {})
 
     assert_template_result('true',
-      '{% case true %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
-      {})
+                           '{% case true %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
+                           {})
 
     assert_template_result('else',
-      '{% case NULL %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
-      {})
+                           '{% case NULL %}{% when true %}true{% when false %}false{% else %}else{% endcase %}',
+                           {})
   end
 
   def test_assign_from_case
     # Example from the shopify forums
     code = "{% case collection.handle %}{% when 'menswear-jackets' %}{% assign ptitle = 'menswear' %}{% when 'menswear-t-shirts' %}{% assign ptitle = 'menswear' %}{% else %}{% assign ptitle = 'womenswear' %}{% endcase %}{{ ptitle }}"
     template = Liquid::Template.parse(code)
-    assert_equal "menswear",   template.render!("collection" => { 'handle' => 'menswear-jackets' })
-    assert_equal "menswear",   template.render!("collection" => { 'handle' => 'menswear-t-shirts' })
-    assert_equal "womenswear", template.render!("collection" => { 'handle' => 'x' })
-    assert_equal "womenswear", template.render!("collection" => { 'handle' => 'y' })
-    assert_equal "womenswear", template.render!("collection" => { 'handle' => 'z' })
+    assert_equal 'menswear',   template.render!('collection' => { 'handle' => 'menswear-jackets' })
+    assert_equal 'menswear',   template.render!('collection' => { 'handle' => 'menswear-t-shirts' })
+    assert_equal 'womenswear', template.render!('collection' => { 'handle' => 'x' })
+    assert_equal 'womenswear', template.render!('collection' => { 'handle' => 'y' })
+    assert_equal 'womenswear', template.render!('collection' => { 'handle' => 'z' })
   end
 
   def test_case_when_or
     code = '{% case condition %}{% when 1 or 2 or 3 %} its 1 or 2 or 3 {% when 4 %} its 4 {% endcase %}'
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 1 })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 2 })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 3 })
-    assert_template_result(' its 4 ', code, { 'condition' => 4 })
-    assert_template_result('', code, { 'condition' => 5 })
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 1)
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 2)
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 3)
+    assert_template_result(' its 4 ', code, 'condition' => 4)
+    assert_template_result('', code, 'condition' => 5)
 
     code = '{% case condition %}{% when 1 or "string" or null %} its 1 or 2 or 3 {% when 4 %} its 4 {% endcase %}'
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 1 })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 'string' })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => nil })
-    assert_template_result('', code, { 'condition' => 'something else' })
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 1)
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 'string')
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => nil)
+    assert_template_result('', code, 'condition' => 'something else')
   end
 
   def test_case_when_comma
     code = '{% case condition %}{% when 1, 2, 3 %} its 1 or 2 or 3 {% when 4 %} its 4 {% endcase %}'
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 1 })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 2 })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 3 })
-    assert_template_result(' its 4 ', code, { 'condition' => 4 })
-    assert_template_result('', code, { 'condition' => 5 })
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 1)
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 2)
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 3)
+    assert_template_result(' its 4 ', code, 'condition' => 4)
+    assert_template_result('', code, 'condition' => 5)
 
     code = '{% case condition %}{% when 1, "string", null %} its 1 or 2 or 3 {% when 4 %} its 4 {% endcase %}'
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 1 })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => 'string' })
-    assert_template_result(' its 1 or 2 or 3 ', code, { 'condition' => nil })
-    assert_template_result('', code, { 'condition' => 'something else' })
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 1)
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => 'string')
+    assert_template_result(' its 1 or 2 or 3 ', code, 'condition' => nil)
+    assert_template_result('', code, 'condition' => 'something else')
   end
 
   def test_assign
@@ -246,33 +248,33 @@ class StandardTagTest < Minitest::Test
     assert_template_result('one two one', '{%cycle "one", "two"%} {%cycle "one", "two"%} {%cycle "one", "two"%}')
 
     assert_template_result('text-align: left text-align: right',
-      '{%cycle "text-align: left", "text-align: right" %} {%cycle "text-align: left", "text-align: right"%}')
+                           '{%cycle "text-align: left", "text-align: right" %} {%cycle "text-align: left", "text-align: right"%}')
   end
 
   def test_multiple_cycles
     assert_template_result('1 2 1 1 2 3 1',
-      '{%cycle 1,2%} {%cycle 1,2%} {%cycle 1,2%} {%cycle 1,2,3%} {%cycle 1,2,3%} {%cycle 1,2,3%} {%cycle 1,2,3%}')
+                           '{%cycle 1,2%} {%cycle 1,2%} {%cycle 1,2%} {%cycle 1,2,3%} {%cycle 1,2,3%} {%cycle 1,2,3%} {%cycle 1,2,3%}')
   end
 
   def test_multiple_named_cycles
     assert_template_result('one one two two one one',
-      '{%cycle 1: "one", "two" %} {%cycle 2: "one", "two" %} {%cycle 1: "one", "two" %} {%cycle 2: "one", "two" %} {%cycle 1: "one", "two" %} {%cycle 2: "one", "two" %}')
+                           '{%cycle 1: "one", "two" %} {%cycle 2: "one", "two" %} {%cycle 1: "one", "two" %} {%cycle 2: "one", "two" %} {%cycle 1: "one", "two" %} {%cycle 2: "one", "two" %}')
   end
 
   def test_multiple_named_cycles_with_names_from_context
-    assigns = { "var1" => 1, "var2" => 2 }
+    assigns = { 'var1' => 1, 'var2' => 2 }
     assert_template_result('one one two two one one',
-      '{%cycle var1: "one", "two" %} {%cycle var2: "one", "two" %} {%cycle var1: "one", "two" %} {%cycle var2: "one", "two" %} {%cycle var1: "one", "two" %} {%cycle var2: "one", "two" %}', assigns)
+                           '{%cycle var1: "one", "two" %} {%cycle var2: "one", "two" %} {%cycle var1: "one", "two" %} {%cycle var2: "one", "two" %} {%cycle var1: "one", "two" %} {%cycle var2: "one", "two" %}', assigns)
   end
 
   def test_size_of_array
-    assigns = { "array" => [1, 2, 3, 4] }
-    assert_template_result('array has 4 elements', "array has {{ array.size }} elements", assigns)
+    assigns = { 'array' => [1, 2, 3, 4] }
+    assert_template_result('array has 4 elements', 'array has {{ array.size }} elements', assigns)
   end
 
   def test_size_of_hash
-    assigns = { "hash" => { a: 1, b: 2, c: 3, d: 4 } }
-    assert_template_result('hash has 4 elements', "hash has {{ hash.size }} elements", assigns)
+    assigns = { 'hash' => { a: 1, b: 2, c: 3, d: 4 } }
+    assert_template_result('hash has 4 elements', 'hash has {{ hash.size }} elements', assigns)
   end
 
   def test_illegal_symbols
@@ -283,10 +285,10 @@ class StandardTagTest < Minitest::Test
   end
 
   def test_ifchanged
-    assigns = { 'array' => [ 1, 1, 2, 2, 3, 3] }
+    assigns = { 'array' => [1, 1, 2, 2, 3, 3] }
     assert_template_result('123', '{%for item in array%}{%ifchanged%}{{item}}{% endifchanged %}{%endfor%}', assigns)
 
-    assigns = { 'array' => [ 1, 1, 1, 1] }
+    assigns = { 'array' => [1, 1, 1, 1] }
     assert_template_result('1', '{%for item in array%}{%ifchanged%}{{item}}{% endifchanged %}{%endfor%}', assigns)
   end
 

test/integration/tags/statements_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class StatementsTest < Minitest::Test

test/integration/tags/table_row_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class TableRowTest < Minitest::Test
@@ -17,48 +19,48 @@ class TableRowTest < Minitest::Test
 
   def test_table_row
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\"> 1 </td><td class=\"col2\"> 2 </td><td class=\"col3\"> 3 </td></tr>\n<tr class=\"row2\"><td class=\"col1\"> 4 </td><td class=\"col2\"> 5 </td><td class=\"col3\"> 6 </td></tr>\n",
-      '{% tablerow n in numbers cols:3%} {{n}} {% endtablerow %}',
-      'numbers' => [1, 2, 3, 4, 5, 6])
+                           '{% tablerow n in numbers cols:3%} {{n}} {% endtablerow %}',
+                           'numbers' => [1, 2, 3, 4, 5, 6])
 
     assert_template_result("<tr class=\"row1\">\n</tr>\n",
-      '{% tablerow n in numbers cols:3%} {{n}} {% endtablerow %}',
-      'numbers' => [])
+                           '{% tablerow n in numbers cols:3%} {{n}} {% endtablerow %}',
+                           'numbers' => [])
   end
 
   def test_table_row_with_different_cols
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\"> 1 </td><td class=\"col2\"> 2 </td><td class=\"col3\"> 3 </td><td class=\"col4\"> 4 </td><td class=\"col5\"> 5 </td></tr>\n<tr class=\"row2\"><td class=\"col1\"> 6 </td></tr>\n",
-      '{% tablerow n in numbers cols:5%} {{n}} {% endtablerow %}',
-      'numbers' => [1, 2, 3, 4, 5, 6])
+                           '{% tablerow n in numbers cols:5%} {{n}} {% endtablerow %}',
+                           'numbers' => [1, 2, 3, 4, 5, 6])
   end
 
   def test_table_col_counter
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\">1</td><td class=\"col2\">2</td></tr>\n<tr class=\"row2\"><td class=\"col1\">1</td><td class=\"col2\">2</td></tr>\n<tr class=\"row3\"><td class=\"col1\">1</td><td class=\"col2\">2</td></tr>\n",
-      '{% tablerow n in numbers cols:2%}{{tablerowloop.col}}{% endtablerow %}',
-      'numbers' => [1, 2, 3, 4, 5, 6])
+                           '{% tablerow n in numbers cols:2%}{{tablerowloop.col}}{% endtablerow %}',
+                           'numbers' => [1, 2, 3, 4, 5, 6])
   end
 
   def test_quoted_fragment
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\"> 1 </td><td class=\"col2\"> 2 </td><td class=\"col3\"> 3 </td></tr>\n<tr class=\"row2\"><td class=\"col1\"> 4 </td><td class=\"col2\"> 5 </td><td class=\"col3\"> 6 </td></tr>\n",
-      "{% tablerow n in collections.frontpage cols:3%} {{n}} {% endtablerow %}",
-      'collections' => { 'frontpage' => [1, 2, 3, 4, 5, 6] })
+                           '{% tablerow n in collections.frontpage cols:3%} {{n}} {% endtablerow %}',
+                           'collections' => { 'frontpage' => [1, 2, 3, 4, 5, 6] })
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\"> 1 </td><td class=\"col2\"> 2 </td><td class=\"col3\"> 3 </td></tr>\n<tr class=\"row2\"><td class=\"col1\"> 4 </td><td class=\"col2\"> 5 </td><td class=\"col3\"> 6 </td></tr>\n",
-      "{% tablerow n in collections['frontpage'] cols:3%} {{n}} {% endtablerow %}",
-      'collections' => { 'frontpage' => [1, 2, 3, 4, 5, 6] })
+                           "{% tablerow n in collections['frontpage'] cols:3%} {{n}} {% endtablerow %}",
+                           'collections' => { 'frontpage' => [1, 2, 3, 4, 5, 6] })
   end
 
   def test_enumerable_drop
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\"> 1 </td><td class=\"col2\"> 2 </td><td class=\"col3\"> 3 </td></tr>\n<tr class=\"row2\"><td class=\"col1\"> 4 </td><td class=\"col2\"> 5 </td><td class=\"col3\"> 6 </td></tr>\n",
-      '{% tablerow n in numbers cols:3%} {{n}} {% endtablerow %}',
-      'numbers' => ArrayDrop.new([1, 2, 3, 4, 5, 6]))
+                           '{% tablerow n in numbers cols:3%} {{n}} {% endtablerow %}',
+                           'numbers' => ArrayDrop.new([1, 2, 3, 4, 5, 6]))
   end
 
   def test_offset_and_limit
     assert_template_result("<tr class=\"row1\">\n<td class=\"col1\"> 1 </td><td class=\"col2\"> 2 </td><td class=\"col3\"> 3 </td></tr>\n<tr class=\"row2\"><td class=\"col1\"> 4 </td><td class=\"col2\"> 5 </td><td class=\"col3\"> 6 </td></tr>\n",
-      '{% tablerow n in numbers cols:3 offset:1 limit:6%} {{n}} {% endtablerow %}',
-      'numbers' => [0, 1, 2, 3, 4, 5, 6, 7])
+                           '{% tablerow n in numbers cols:3 offset:1 limit:6%} {{n}} {% endtablerow %}',
+                           'numbers' => [0, 1, 2, 3, 4, 5, 6, 7])
   end
 
   def test_blank_string_not_iterable
-    assert_template_result("<tr class=\"row1\">\n</tr>\n", "{% tablerow char in characters cols:3 %}I WILL NOT BE OUTPUT{% endtablerow %}", 'characters' => '')
+    assert_template_result("<tr class=\"row1\">\n</tr>\n", '{% tablerow char in characters cols:3 %}I WILL NOT BE OUTPUT{% endtablerow %}', 'characters' => '')
   end
 end

test/integration/tags/unless_else_tag_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class UnlessElseTagTest < Minitest::Test
@@ -6,7 +8,7 @@ class UnlessElseTagTest < Minitest::Test
   def test_unless
     assert_template_result('  ', ' {% unless true %} this text should not go into the output {% endunless %} ')
     assert_template_result('  this text should go into the output  ',
-      ' {% unless false %} this text should go into the output {% endunless %} ')
+                           ' {% unless false %} this text should go into the output {% endunless %} ')
     assert_template_result('  you rock ?', '{% unless true %} you suck {% endunless %} {% unless false %} you rock {% endunless %}?')
   end
 

test/integration/template_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 require 'timeout'
 
@@ -39,11 +41,11 @@ class TemplateTest < Minitest::Test
   def test_instance_assigns_persist_on_same_template_object_between_parses
     t = Template.new
     assert_equal 'from instance assigns', t.parse("{% assign foo = 'from instance assigns' %}{{ foo }}").render!
-    assert_equal 'from instance assigns', t.parse("{{ foo }}").render!
+    assert_equal 'from instance assigns', t.parse('{{ foo }}').render!
   end
 
   def test_warnings_is_not_exponential_time
-    str = "false"
+    str = 'false'
     100.times do
       str = "{% if true %}true{% else %}#{str}{% endif %}"
     end
@@ -60,82 +62,88 @@ class TemplateTest < Minitest::Test
 
   def test_custom_assigns_do_not_persist_on_same_template
     t = Template.new
-    assert_equal 'from custom assigns', t.parse("{{ foo }}").render!('foo' => 'from custom assigns')
-    assert_equal '', t.parse("{{ foo }}").render!
+    assert_equal 'from custom assigns', t.parse('{{ foo }}').render!('foo' => 'from custom assigns')
+    assert_equal '', t.parse('{{ foo }}').render!
   end
 
   def test_custom_assigns_squash_instance_assigns
     t = Template.new
     assert_equal 'from instance assigns', t.parse("{% assign foo = 'from instance assigns' %}{{ foo }}").render!
-    assert_equal 'from custom assigns', t.parse("{{ foo }}").render!('foo' => 'from custom assigns')
+    assert_equal 'from custom assigns', t.parse('{{ foo }}').render!('foo' => 'from custom assigns')
   end
 
   def test_persistent_assigns_squash_instance_assigns
     t = Template.new
     assert_equal 'from instance assigns', t.parse("{% assign foo = 'from instance assigns' %}{{ foo }}").render!
     t.assigns['foo'] = 'from persistent assigns'
-    assert_equal 'from persistent assigns', t.parse("{{ foo }}").render!
+    assert_equal 'from persistent assigns', t.parse('{{ foo }}').render!
   end
 
   def test_lambda_is_called_once_from_persistent_assigns_over_multiple_parses_and_renders
     t = Template.new
-    t.assigns['number'] = -> { @global ||= 0; @global += 1 }
-    assert_equal '1', t.parse("{{number}}").render!
-    assert_equal '1', t.parse("{{number}}").render!
+    t.assigns['number'] = lambda {
+      @global ||= 0
+      @global += 1
+    }
+    assert_equal '1', t.parse('{{number}}').render!
+    assert_equal '1', t.parse('{{number}}').render!
     assert_equal '1', t.render!
     @global = nil
   end
 
   def test_lambda_is_called_once_from_custom_assigns_over_multiple_parses_and_renders
     t = Template.new
-    assigns = { 'number' => -> { @global ||= 0; @global += 1 } }
-    assert_equal '1', t.parse("{{number}}").render!(assigns)
-    assert_equal '1', t.parse("{{number}}").render!(assigns)
+    assigns = { 'number' => lambda {
+      @global ||= 0
+      @global += 1
+    } }
+    assert_equal '1', t.parse('{{number}}').render!(assigns)
+    assert_equal '1', t.parse('{{number}}').render!(assigns)
     assert_equal '1', t.render!(assigns)
     @global = nil
   end
 
   def test_resource_limits_works_with_custom_length_method
-    t = Template.parse("{% assign foo = bar %}")
+    t = Template.parse('{% assign foo = bar %}')
     t.resource_limits.render_length_limit = 42
-    assert_equal "", t.render!("bar" => SomethingWithLength.new)
+    assert_equal '', t.render!('bar' => SomethingWithLength.new)
   end
 
   def test_resource_limits_render_length
-    t = Template.parse("0123456789")
+    t = Template.parse('0123456789')
     t.resource_limits.render_length_limit = 5
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     assert t.resource_limits.reached?
 
     t.resource_limits.render_length_limit = 10
-    assert_equal "0123456789", t.render!
+    assert_equal '0123456789', t.render!
     refute_nil t.resource_limits.render_length
   end
 
   def test_resource_limits_render_score
-    t = Template.parse("{% for a in (1..10) %} {% for a in (1..10) %} foo {% endfor %} {% endfor %}")
+    t = Template.parse('{% for a in (1..10) %} {% for a in (1..10) %} foo {% endfor %} {% endfor %}')
     t.resource_limits.render_score_limit = 50
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     assert t.resource_limits.reached?
 
-    t = Template.parse("{% for a in (1..100) %} foo {% endfor %}")
+    t = Template.parse('{% for a in (1..100) %} foo {% endfor %}')
     t.resource_limits.render_score_limit = 50
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     assert t.resource_limits.reached?
 
     t.resource_limits.render_score_limit = 200
-    assert_equal (" foo " * 100), t.render!
+    assert_equal (' foo ' * 100), t.render!
     refute_nil t.resource_limits.render_score
   end
 
   def test_resource_limits_assign_score
-    t = Template.parse("{% assign foo = 42 %}{% assign bar = 23 %}")
+    t = Template.parse('{% assign foo = 42 %}{% assign bar = 23 %}')
     t.resource_limits.assign_score_limit = 1
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     assert t.resource_limits.reached?
 
     t.resource_limits.assign_score_limit = 2
-    assert_equal "", t.render!
+    assert_equal '', t.render!
     refute_nil t.resource_limits.assign_score
   end
 
@@ -144,7 +152,7 @@ class TemplateTest < Minitest::Test
     t.render
     assert_equal 9, t.resource_limits.assign_score
 
-    t = Template.parse("{% capture foo %}すごい{% endcapture %}")
+    t = Template.parse('{% capture foo %}すごい{% endcapture %}')
     t.render
     assert_equal 9, t.resource_limits.assign_score
   end
@@ -153,65 +161,65 @@ class TemplateTest < Minitest::Test
     t = Template.parse("{% assign foo = 'aaaa' | reverse %}")
 
     t.resource_limits.assign_score_limit = 3
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     assert t.resource_limits.reached?
 
     t.resource_limits.assign_score_limit = 5
-    assert_equal "", t.render!
+    assert_equal '', t.render!
   end
 
   def test_resource_limits_aborts_rendering_after_first_error
-    t = Template.parse("{% for a in (1..100) %} foo1 {% endfor %} bar {% for a in (1..100) %} foo2 {% endfor %}")
+    t = Template.parse('{% for a in (1..100) %} foo1 {% endfor %} bar {% for a in (1..100) %} foo2 {% endfor %}')
     t.resource_limits.render_score_limit = 50
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     assert t.resource_limits.reached?
   end
 
   def test_resource_limits_hash_in_template_gets_updated_even_if_no_limits_are_set
-    t = Template.parse("{% for a in (1..100) %} {% assign foo = 1 %} {% endfor %}")
+    t = Template.parse('{% for a in (1..100) %} {% assign foo = 1 %} {% endfor %}')
     t.render!
-    assert t.resource_limits.assign_score > 0
-    assert t.resource_limits.render_score > 0
-    assert t.resource_limits.render_length > 0
+    assert t.resource_limits.assign_score.positive?
+    assert t.resource_limits.render_score.positive?
+    assert t.resource_limits.render_length.positive?
   end
 
   def test_render_length_persists_between_blocks
-    t = Template.parse("{% if true %}aaaa{% endif %}")
+    t = Template.parse('{% if true %}aaaa{% endif %}')
     t.resource_limits.render_length_limit = 7
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     t.resource_limits.render_length_limit = 8
-    assert_equal "aaaa", t.render
+    assert_equal 'aaaa', t.render
 
-    t = Template.parse("{% if true %}aaaa{% endif %}{% if true %}bbb{% endif %}")
+    t = Template.parse('{% if true %}aaaa{% endif %}{% if true %}bbb{% endif %}')
     t.resource_limits.render_length_limit = 13
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     t.resource_limits.render_length_limit = 14
-    assert_equal "aaaabbb", t.render
+    assert_equal 'aaaabbb', t.render
 
-    t = Template.parse("{% if true %}a{% endif %}{% if true %}b{% endif %}{% if true %}a{% endif %}{% if true %}b{% endif %}{% if true %}a{% endif %}{% if true %}b{% endif %}")
+    t = Template.parse('{% if true %}a{% endif %}{% if true %}b{% endif %}{% if true %}a{% endif %}{% if true %}b{% endif %}{% if true %}a{% endif %}{% if true %}b{% endif %}')
     t.resource_limits.render_length_limit = 5
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     t.resource_limits.render_length_limit = 11
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     t.resource_limits.render_length_limit = 12
-    assert_equal "ababab", t.render
+    assert_equal 'ababab', t.render
   end
 
   def test_render_length_uses_number_of_bytes_not_characters
-    t = Template.parse("{% if true %}すごい{% endif %}")
+    t = Template.parse('{% if true %}すごい{% endif %}')
     t.resource_limits.render_length_limit = 10
-    assert_equal "Liquid error: Memory limits exceeded", t.render
+    assert_equal 'Liquid error: Memory limits exceeded', t.render
     t.resource_limits.render_length_limit = 18
-    assert_equal "すごい", t.render
+    assert_equal 'すごい', t.render
   end
 
   def test_default_resource_limits_unaffected_by_render_with_context
     context = Context.new
-    t = Template.parse("{% for a in (1..100) %} {% assign foo = 1 %} {% endfor %}")
+    t = Template.parse('{% for a in (1..100) %} {% assign foo = 1 %} {% endfor %}')
     t.render!(context)
-    assert context.resource_limits.assign_score > 0
-    assert context.resource_limits.render_score > 0
-    assert context.resource_limits.render_length > 0
+    assert context.resource_limits.assign_score.positive?
+    assert context.resource_limits.render_score.positive?
+    assert context.resource_limits.render_length.positive?
   end
 
   def test_can_use_drop_as_context
@@ -220,11 +228,11 @@ class TemplateTest < Minitest::Test
     drop = TemplateContextDrop.new
     assert_equal 'fizzbuzz', t.parse('{{foo}}').render!(drop)
     assert_equal 'bar', t.parse('{{bar}}').render!(drop)
-    assert_equal 'haha', t.parse("{{baz}}").render!(drop)
+    assert_equal 'haha', t.parse('{{baz}}').render!(drop)
   end
 
   def test_render_bang_force_rethrow_errors_on_passed_context
-    context = Context.new({ 'drop' => ErroneousDrop.new })
+    context = Context.new('drop' => ErroneousDrop.new)
     t = Template.new.parse('{{ drop.bad_method }}')
 
     e = assert_raises RuntimeError do
@@ -235,9 +243,12 @@ class TemplateTest < Minitest::Test
 
   def test_exception_renderer_that_returns_string
     exception = nil
-    handler = ->(e) { exception = e; '<!-- error -->' }
+    handler = lambda { |e|
+      exception = e
+      '<!-- error -->'
+    }
 
-    output = Template.parse("{{ 1 | divided_by: 0 }}").render({}, exception_renderer: handler)
+    output = Template.parse('{{ 1 | divided_by: 0 }}').render({}, exception_renderer: handler)
 
     assert exception.is_a?(Liquid::ZeroDivisionError)
     assert_equal '<!-- error -->', output
@@ -246,28 +257,31 @@ class TemplateTest < Minitest::Test
   def test_exception_renderer_that_raises
     exception = nil
     assert_raises(Liquid::ZeroDivisionError) do
-      Template.parse("{{ 1 | divided_by: 0 }}").render({}, exception_renderer: ->(e) { exception = e; raise })
+      Template.parse('{{ 1 | divided_by: 0 }}').render({}, exception_renderer: lambda { |e|
+        exception = e
+        raise
+      })
     end
     assert exception.is_a?(Liquid::ZeroDivisionError)
   end
 
   def test_global_filter_option_on_render
     global_filter_proc = ->(output) { "#{output} filtered" }
-    rendered_template = Template.parse("{{name}}").render({ "name" => "bob" }, global_filter: global_filter_proc)
+    rendered_template = Template.parse('{{name}}').render({ 'name' => 'bob' }, global_filter: global_filter_proc)
 
     assert_equal 'bob filtered', rendered_template
   end
 
   def test_global_filter_option_when_native_filters_exist
     global_filter_proc = ->(output) { "#{output} filtered" }
-    rendered_template = Template.parse("{{name | upcase}}").render({ "name" => "bob" }, global_filter: global_filter_proc)
+    rendered_template = Template.parse('{{name | upcase}}').render({ 'name' => 'bob' }, global_filter: global_filter_proc)
 
     assert_equal 'BOB filtered', rendered_template
   end
 
   def test_undefined_variables
-    t = Template.parse("{{x}} {{y}} {{z.a}} {{z.b}} {{z.c.d}}")
-    result = t.render({ 'x' => 33, 'z' => { 'a' => 32, 'c' => { 'e' => 31 } } }, { strict_variables: true })
+    t = Template.parse('{{x}} {{y}} {{z.a}} {{z.b}} {{z.c.d}}')
+    result = t.render({ 'x' => 33, 'z' => { 'a' => 32, 'c' => { 'e' => 31 } } }, strict_variables: true)
 
     assert_equal '33  32  ', result
     assert_equal 3, t.errors.count
@@ -281,7 +295,7 @@ class TemplateTest < Minitest::Test
 
   def test_nil_value_does_not_raise
     Liquid::Template.error_mode = :strict
-    t = Template.parse("some{{x}}thing")
+    t = Template.parse('some{{x}}thing')
     result = t.render!({ 'x' => nil }, strict_variables: true)
 
     assert_equal 0, t.errors.count
@@ -289,17 +303,17 @@ class TemplateTest < Minitest::Test
   end
 
   def test_undefined_variables_raise
-    t = Template.parse("{{x}} {{y}} {{z.a}} {{z.b}} {{z.c.d}}")
+    t = Template.parse('{{x}} {{y}} {{z.a}} {{z.b}} {{z.c.d}}')
 
     assert_raises UndefinedVariable do
-      t.render!({ 'x' => 33, 'z' => { 'a' => 32, 'c' => { 'e' => 31 } } }, { strict_variables: true })
+      t.render!({ 'x' => 33, 'z' => { 'a' => 32, 'c' => { 'e' => 31 } } }, strict_variables: true)
     end
   end
 
   def test_undefined_drop_methods
     d = DropWithUndefinedMethod.new
     t = Template.new.parse('{{ foo }} {{ woot }}')
-    result = t.render(d, { strict_variables: true })
+    result = t.render(d, strict_variables: true)
 
     assert_equal 'foo ', result
     assert_equal 1, t.errors.count
@@ -311,18 +325,18 @@ class TemplateTest < Minitest::Test
     t = Template.new.parse('{{ foo }} {{ woot }}')
 
     assert_raises UndefinedDropMethod do
-      t.render!(d, { strict_variables: true })
+      t.render!(d, strict_variables: true)
     end
   end
 
   def test_undefined_filters
-    t = Template.parse("{{a}} {{x | upcase | somefilter1 | somefilter2 | somefilter3}}")
+    t = Template.parse('{{a}} {{x | upcase | somefilter1 | somefilter2 | somefilter3}}')
     filters = Module.new do
       def somefilter3(v)
         "-#{v}-"
       end
     end
-    result = t.render({ 'a' => 123, 'x' => 'foo' }, { filters: [filters], strict_filters: true })
+    result = t.render({ 'a' => 123, 'x' => 'foo' }, filters: [filters], strict_filters: true)
 
     assert_equal '123 ', result
     assert_equal 1, t.errors.count
@@ -331,20 +345,20 @@ class TemplateTest < Minitest::Test
   end
 
   def test_undefined_filters_raise
-    t = Template.parse("{{x | somefilter1 | upcase | somefilter2}}")
+    t = Template.parse('{{x | somefilter1 | upcase | somefilter2}}')
 
     assert_raises UndefinedFilter do
-      t.render!({ 'x' => 'foo' }, { strict_filters: true })
+      t.render!({ 'x' => 'foo' }, strict_filters: true)
     end
   end
 
   def test_using_range_literal_works_as_expected
-    t = Template.parse("{% assign foo = (x..y) %}{{ foo }}")
-    result = t.render({ 'x' => 1, 'y' => 5 })
+    t = Template.parse('{% assign foo = (x..y) %}{{ foo }}')
+    result = t.render('x' => 1, 'y' => 5)
     assert_equal '1..5', result
 
-    t = Template.parse("{% assign nums = (x..y) %}{% for num in nums %}{{ num }}{% endfor %}")
-    result = t.render({ 'x' => 1, 'y' => 5 })
+    t = Template.parse('{% assign nums = (x..y) %}{% for num in nums %}{{ num }}{% endfor %}')
+    result = t.render('x' => 1, 'y' => 5)
     assert_equal '12345', result
   end
 end

test/integration/trim_mode_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class TrimModeTest < Minitest::Test
@@ -76,14 +78,14 @@ class TrimModeTest < Minitest::Test
         </p>
       </div>
     END_TEMPLATE
-    expected = <<-END_EXPECTED
-      <div>
-        <p>
-#{whitespace}
-          yes
-#{whitespace}
-        </p>
-      </div>
+    expected = <<~END_EXPECTED
+            <div>
+              <p>
+      #{whitespace}
+                yes
+      #{whitespace}
+              </p>
+            </div>
     END_EXPECTED
     assert_template_result(expected, text)
 
@@ -96,12 +98,12 @@ class TrimModeTest < Minitest::Test
         </p>
       </div>
     END_TEMPLATE
-    expected = <<-END_EXPECTED
-      <div>
-        <p>
-#{whitespace}
-        </p>
-      </div>
+    expected = <<~END_EXPECTED
+            <div>
+              <p>
+      #{whitespace}
+              </p>
+            </div>
     END_EXPECTED
     assert_template_result(expected, text)
   end
@@ -337,12 +339,12 @@ class TrimModeTest < Minitest::Test
         </p>
       </div>
     END_TEMPLATE
-    expected = <<-END_EXPECTED
-      <div>
-        <p>
-#{whitespace}
-        </p>
-      </div>
+    expected = <<~END_EXPECTED
+            <div>
+              <p>
+      #{whitespace}
+              </p>
+            </div>
     END_EXPECTED
     assert_template_result(expected, text)
   end
@@ -513,16 +515,16 @@ class TrimModeTest < Minitest::Test
         {% endraw %}
       </div>
     END_TEMPLATE
-    expected = <<-END_EXPECTED
-      <div>
-#{whitespace}
-          {%- if true -%}
-            <p>
-              {{- 'John' -}}
-            </p>
-          {%- endif -%}
-#{whitespace}
-      </div>
+    expected = <<~END_EXPECTED
+            <div>
+      #{whitespace}
+                {%- if true -%}
+                  <p>
+                    {{- 'John' -}}
+                  </p>
+                {%- endif -%}
+      #{whitespace}
+            </div>
     END_EXPECTED
     assert_template_result(expected, text)
   end

test/integration/variable_test.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'test_helper'
 
 class VariableTest < Minitest::Test
@@ -25,12 +27,12 @@ class VariableTest < Minitest::Test
   end
 
   def test_using_blank_as_variable_name
-    template = Template.parse("{% assign foo = blank %}{{ foo }}")
+    template = Template.parse('{% assign foo = blank %}{{ foo }}')
     assert_equal '', template.render!
   end
 
   def test_using_empty_as_variable_name
-    template = Template.parse("{% assign foo = empty %}{{ foo }}")
+    template = Template.parse('{% assign foo = empty %}{{ foo }}')
     assert_equal '', template.render!
   end
 
@@ -40,12 +42,12 @@ class VariableTest < Minitest::Test
   end
 
   def test_false_renders_as_false
-    assert_equal 'false', Template.parse("{{ foo }}").render!('foo' => false)
-    assert_equal 'false', Template.parse("{{ false }}").render!
+    assert_equal 'false', Template.parse('{{ foo }}').render!('foo' => false)
+    assert_equal 'false', Template.parse('{{ false }}').render!
   end
 
   def test_nil_renders_as_empty_string
-    assert_equal '', Template.parse("{{ nil }}").render!
+    assert_equal '', Template.parse('{{ nil }}').render!
     assert_equal 'cat', Template.parse("{{ nil | append: 'cat' }}").render!
   end
 
@@ -76,7 +78,7 @@ class VariableTest < Minitest::Test
 
   def test_hash_with_default_proc
     template = Template.parse(%(Hello {{ test }}))
-    assigns = Hash.new { |h, k| raise "Unknown variable '#{k}'" }
+    assigns = Hash.new { |_h, k| raise "Unknown variable '#{k}'" }
     assigns['test'] = 'Tobi'
     assert_equal 'Hello Tobi', template.render!(assigns)
     assigns.delete('test')