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TDD: Improved unit tests in boolean_unit_test.rb
Added tests for existing usage cases to avoid breaking important logic when introducing changes in subsequent commits.
This commit is contained in:
Albert Chu
+208
-19
@@ -7,68 +7,257 @@ class BooleanUnitTest < Minitest::Test
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def test_simple_boolean_comparison
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template = Liquid::Template.parse("{{ 1 > 0 }}")
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assert_equal(true, template.render)
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ 1 < 0 }}")
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assert_equal(false, template.render)
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assert_equal("false", template.render)
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end
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def test_boolean_assignment_shorthand
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template = Liquid::Template.parse("{% assign lazy_load = media_position > 1 %}{{ lazy_load }}")
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assert_equal(false, template.render("media_position" => 1))
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assert_equal(true, template.render("media_position" => 2))
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assert_equal("false", template.render("media_position" => 1))
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assert_equal("true", template.render("media_position" => 2))
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end
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def test_boolean_and_operator
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template = Liquid::Template.parse("{{ true and true }}")
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assert_equal(true, template.render)
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ true and false }}")
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assert_equal(false, template.render)
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assert_equal("false", template.render)
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end
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def test_boolean_or_operator
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template = Liquid::Template.parse("{{ true or false }}")
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assert_equal(true, template.render)
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ false or false }}")
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assert_equal(false, template.render)
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assert_equal("false", template.render)
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end
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def test_operator_precedence_with_parentheses
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template = Liquid::Template.parse("{{ false and (false or true) }}")
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assert_equal(false, template.render)
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assert_equal("false", template.render)
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end
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def test_operator_precedence_without_parentheses
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template = Liquid::Template.parse("{{ false and false or true }}")
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assert_equal(true, template.render)
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assert_equal("true", template.render)
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end
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def test_complex_boolean_expressions
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template = Liquid::Template.parse("{{ true and true and true }}")
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assert_equal(true, template.render)
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ true and false and true }}")
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assert_equal(false, template.render)
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assert_equal("false", template.render)
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template = Liquid::Template.parse("{{ false or false or true }}")
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assert_equal(true, template.render)
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assert_equal("true", template.render)
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end
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def test_boolean_with_variables
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template = Liquid::Template.parse("{{ a and b }}")
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assert_equal(true, template.render("a" => true, "b" => true))
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assert_equal(false, template.render("a" => true, "b" => false))
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assert_equal("true", template.render("a" => true, "b" => true))
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assert_equal("false", template.render("a" => true, "b" => false))
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template = Liquid::Template.parse("{{ a or b }}")
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assert_equal(true, template.render("a" => false, "b" => true))
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assert_equal(false, template.render("a" => false, "b" => false))
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assert_equal("true", template.render("a" => false, "b" => true))
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assert_equal("false", template.render("a" => false, "b" => false))
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end
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def test_mixed_boolean_expressions
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template = Liquid::Template.parse("{{ a > b and c < d }}")
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assert_equal(true, template.render("a" => 5, "b" => 3, "c" => 2, "d" => 4))
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assert_equal(false, template.render("a" => 5, "b" => 3, "c" => 5, "d" => 4))
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assert_equal("true", template.render("a" => 5, "b" => 3, "c" => 2, "d" => 4))
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assert_equal("false", template.render("a" => 5, "b" => 3, "c" => 5, "d" => 4))
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end
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def test_negation_operator
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template = Liquid::Template.parse("{{ !true }}")
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assert_equal("false", template.render)
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template = Liquid::Template.parse("{{ !false }}")
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ !(true and true) }}")
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assert_equal("false", template.render)
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end
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def test_equality_operators
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template = Liquid::Template.parse("{{ 1 == 1 }}")
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ 1 != 2 }}")
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ 'hello' == 'hello' }}")
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assert_equal("true", template.render)
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end
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def test_nil_in_boolean_context
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template = Liquid::Template.parse("{{ nil and true }}")
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assert_equal("false", template.render)
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template = Liquid::Template.parse("{{ nil or true }}")
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assert_equal("true", template.render)
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template = Liquid::Template.parse("{{ !nil }}")
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assert_equal("true", template.render)
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end
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def test_truthy_falsy_values
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template = Liquid::Template.parse("{% if empty_string %}true{% else %}false{% endif %}")
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assert_equal(false, template.render("empty_string" => ""))
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template = Liquid::Template.parse("{% if zero %}true{% else %}false{% endif %}")
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assert_equal(false, template.render("zero" => 0))
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template = Liquid::Template.parse("{% if text %}true{% else %}false{% endif %}")
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assert_equal(true, template.render("text" => "hello"))
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end
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def test_complex_precedence
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template = Liquid::Template.parse("{{ !a and b or c }}")
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assert_equal("true", template.render("a" => false, "b" => true, "c" => false))
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assert_equal("true", template.render("a" => true, "b" => false, "c" => true))
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assert_equal("false", template.render("a" => true, "b" => false, "c" => false))
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end
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def test_string_comparison_with_blank
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# Non-empty string against blank
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template = Liquid::Template.parse("{{ text != blank }}")
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assert_equal(true, template.render("text" => "hello"))
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template = Liquid::Template.parse("{{ text == blank }}")
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assert_equal(false, template.render("text" => "hello"))
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# Empty string against blank
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template = Liquid::Template.parse("{{ empty_text != blank }}")
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assert_equal(false, template.render("empty_text" => ""))
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template = Liquid::Template.parse("{{ empty_text == blank }}")
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assert_equal(true, template.render("empty_text" => ""))
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end
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def test_nil_comparison_with_blank
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template = Liquid::Template.parse("{{ nil_value != blank }}")
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assert_equal(false, template.render("nil_value" => nil))
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template = Liquid::Template.parse("{{ nil_value == blank }}")
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assert_equal(true, template.render("nil_value" => nil))
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# Undefined variable is treated as nil
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template = Liquid::Template.parse("{{ undefined != blank }}")
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assert_equal(false, template.render)
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template = Liquid::Template.parse("{{ undefined == blank }}")
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assert_equal(true, template.render)
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end
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def test_empty_collections_with_blank
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template = Liquid::Template.parse("{{ empty_array == blank }}")
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assert_equal(true, template.render("empty_array" => []))
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template = Liquid::Template.parse("{{ empty_array != blank }}")
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assert_equal(false, template.render("empty_array" => []))
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template = Liquid::Template.parse("{{ empty_hash == blank }}")
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assert_equal(true, template.render("empty_hash" => {}))
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template = Liquid::Template.parse("{{ empty_hash != blank }}")
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assert_equal(false, template.render("empty_hash" => {}))
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# Non-empty collections
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template = Liquid::Template.parse("{{ array == blank }}")
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assert_equal(false, template.render("array" => [1, 2, 3]))
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template = Liquid::Template.parse("{{ hash == blank }}")
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assert_equal(false, template.render("hash" => { "key" => "value" }))
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end
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def test_blank_in_conditional_statements
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template = Liquid::Template.parse("{% if text != blank %}not blank{% else %}is blank{% endif %}")
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assert_equal("not blank", template.render("text" => "hello"))
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assert_equal("is blank", template.render("text" => ""))
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template = Liquid::Template.parse("{% if nil_value != blank %}not blank{% else %}is blank{% endif %}")
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assert_equal("is blank", template.render("nil_value" => nil))
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template = Liquid::Template.parse("{% if array != blank %}not blank{% else %}is blank{% endif %}")
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assert_equal("not blank", template.render("array" => [1, 2, 3]))
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assert_equal("is blank", template.render("array" => []))
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end
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def test_blank_with_other_operators
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template = Liquid::Template.parse("{{ text != blank and number > 0 }}")
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assert_equal("true", template.render("text" => "hello", "number" => 5))
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assert_equal("false", template.render("text" => "", "number" => 5))
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assert_equal("false", template.render("text" => "hello", "number" => 0))
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template = Liquid::Template.parse("{{ text != blank or number > 0 }}")
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assert_equal("true", template.render("text" => "hello", "number" => 0))
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assert_equal("true", template.render("text" => "", "number" => 5))
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assert_equal("false", template.render("text" => "", "number" => 0))
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end
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def test_basic_if_else_conditions
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template = Liquid::Template.parse("{% if true %}success{% else %}failure{% endif %}")
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assert_equal("success", template.render)
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template = Liquid::Template.parse("{% if false %}failure{% else %}success{% endif %}")
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assert_equal("success", template.render)
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end
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def test_if_with_comparisons
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template = Liquid::Template.parse("{% if 10 > 5 %}greater{% else %}not greater{% endif %}")
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assert_equal("greater", template.render)
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template = Liquid::Template.parse("{% if 5 == 5 %}equal{% else %}not equal{% endif %}")
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assert_equal("equal", template.render)
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template = Liquid::Template.parse("{% if 3 < 2 %}smaller{% else %}not smaller{% endif %}")
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assert_equal("not smaller", template.render)
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end
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def test_if_with_variables
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template = Liquid::Template.parse("{% if value %}has value{% else %}no value{% endif %}")
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assert_equal("has value", template.render("value" => true))
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assert_equal("no value", template.render("value" => false))
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assert_equal("no value", template.render("value" => nil))
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assert_equal("has value", template.render("value" => "text"))
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assert_equal("no value", template.render("value" => ""))
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end
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def test_if_with_variable_comparisons
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template = Liquid::Template.parse("{% if count > 5 %}high{% else %}low{% endif %}")
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assert_equal("high", template.render("count" => 10))
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assert_equal("low", template.render("count" => 3))
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end
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def test_nested_if_conditions
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template = Liquid::Template.parse("{% if a %}{% if b %}both{% else %}a only{% endif %}{% else %}none{% endif %}")
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assert_equal("both", template.render("a" => true, "b" => true))
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assert_equal("a only", template.render("a" => true, "b" => false))
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assert_equal("none", template.render("a" => false, "b" => true))
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end
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def test_elsif_conditions
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template = Liquid::Template.parse("{% if a %}a{% elsif b %}b{% else %}c{% endif %}")
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assert_equal("a", template.render("a" => true, "b" => true))
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assert_equal("b", template.render("a" => false, "b" => true))
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assert_equal("c", template.render("a" => false, "b" => false))
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end
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def test_unless_conditions
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template = Liquid::Template.parse("{% unless a %}not a{% else %}a{% endunless %}")
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assert_equal("a", template.render("a" => true))
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assert_equal("not a", template.render("a" => false))
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end
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def test_if_with_comparison_and_logical_operator
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template = Liquid::Template.parse("{% if a > 5 and b < 10 %}valid{% else %}invalid{% endif %}")
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assert_equal("valid", template.render("a" => 7, "b" => 8))
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assert_equal("invalid", template.render("a" => 3, "b" => 8))
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assert_equal("invalid", template.render("a" => 7, "b" => 12))
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end
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end
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