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synced 2026-09-15 08:50:45 -07:00
103 lines
2.9 KiB
Ruby
103 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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require 'test_helper'
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class ExpressionParserTest < Minitest::Test
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include Liquid
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def test_parse_returns_nil_for_empty_string
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result = ExpressionParser.parse('', parse_context)
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assert_nil(result)
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end
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def test_parse_returns_nil_for_whitespace_only
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result = ExpressionParser.parse(' ', parse_context)
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assert_nil(result)
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end
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def test_parse_raises_on_extra_tokens_after_expression
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error = assert_raises(SyntaxError) do
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ExpressionParser.parse('foo bar', parse_context)
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end
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assert_match(/Expected end_of_string but found id/, error.message)
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end
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def test_parse_string_literal_with_double_quotes
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result = ExpressionParser.parse('"hello"', parse_context)
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assert_equal('hello', result)
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end
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def test_parse_string_literal_with_single_quotes
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result = ExpressionParser.parse("'world'", parse_context)
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assert_equal('world', result)
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end
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def test_parse_integer_literal
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result = ExpressionParser.parse('42', parse_context)
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assert_equal(42, result)
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end
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def test_parse_float_literal
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result = ExpressionParser.parse('3.14', parse_context)
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assert_equal(3.14, result)
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end
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def test_parse_nil_literal
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result = ExpressionParser.parse('nil', parse_context)
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assert_nil(result)
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end
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def test_parse_true_literal
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result = ExpressionParser.parse('true', parse_context)
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assert_equal(true, result)
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end
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def test_parse_simple_variable
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result = ExpressionParser.parse('product', parse_context)
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assert_kind_of(VariableLookup, result)
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assert_equal('product', result.name)
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end
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def test_parse_variable_with_dot_lookup
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result = ExpressionParser.parse('product.title', parse_context)
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assert_kind_of(VariableLookup, result)
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assert_equal('product', result.name)
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assert_equal(['title'], result.lookups)
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end
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def test_parse_variable_with_bracket_lookup
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result = ExpressionParser.parse('items[0]', parse_context)
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assert_kind_of(VariableLookup, result)
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assert_equal('items', result.name)
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assert_equal(0, result.lookups[0])
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end
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def test_parse_range_with_integer_literals
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result = ExpressionParser.parse('(1..5)', parse_context)
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assert_kind_of(Range, result)
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assert_equal(1..5, result)
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end
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def test_parse_range_with_variables
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result = ExpressionParser.parse('(start..end)', parse_context)
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assert_kind_of(RangeLookup, result)
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end
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def test_parse_validates_end_of_string
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result = ExpressionParser.parse('foo', parse_context)
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assert_kind_of(VariableLookup, result)
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end
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def test_parse_evaluates_correctly
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result = ExpressionParser.parse('product.title', parse_context)
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context = Context.new({ 'product' => { 'title' => 'My Title' } })
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assert_equal('My Title', context.evaluate(result))
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end
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private
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def parse_context
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@parse_context ||= ParseContext.new(environment: Environment.build(error_mode: :rigid))
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end
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end
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