mirror of
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150 lines
4.5 KiB
Ruby
150 lines
4.5 KiB
Ruby
require 'test_helper'
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class ConditionUnitTest < Minitest::Test
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include Liquid
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def test_basic_condition
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assert_equal false, Condition.new(1, '==', 2).evaluate
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assert_equal true, Condition.new(1, '==', 1).evaluate
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end
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def test_default_operators_evalute_true
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assert_evalutes_true 1, '==', 1
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assert_evalutes_true 1, '!=', 2
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assert_evalutes_true 1, '<>', 2
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assert_evalutes_true 1, '<', 2
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assert_evalutes_true 2, '>', 1
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assert_evalutes_true 1, '>=', 1
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assert_evalutes_true 2, '>=', 1
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assert_evalutes_true 1, '<=', 2
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assert_evalutes_true 1, '<=', 1
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# negative numbers
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assert_evalutes_true 1, '>', -1
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assert_evalutes_true -1, '<', 1
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assert_evalutes_true 1.0, '>', -1.0
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assert_evalutes_true -1.0, '<', 1.0
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end
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def test_default_operators_evalute_false
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assert_evalutes_false 1, '==', 2
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assert_evalutes_false 1, '!=', 1
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assert_evalutes_false 1, '<>', 1
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assert_evalutes_false 1, '<', 0
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assert_evalutes_false 2, '>', 4
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assert_evalutes_false 1, '>=', 3
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assert_evalutes_false 2, '>=', 4
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assert_evalutes_false 1, '<=', 0
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assert_evalutes_false 1, '<=', 0
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end
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def test_contains_works_on_strings
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assert_evalutes_true 'bob', 'contains', 'o'
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assert_evalutes_true 'bob', 'contains', 'b'
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assert_evalutes_true 'bob', 'contains', 'bo'
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assert_evalutes_true 'bob', 'contains', 'ob'
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assert_evalutes_true 'bob', 'contains', 'bob'
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assert_evalutes_false 'bob', 'contains', 'bob2'
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assert_evalutes_false 'bob', 'contains', 'a'
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assert_evalutes_false 'bob', 'contains', '---'
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end
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def test_invalid_comparation_operator
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assert_evaluates_argument_error 1, '~~', 0
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end
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def test_comparation_of_int_and_str
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assert_evaluates_argument_error '1', '>', 0
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assert_evaluates_argument_error '1', '<', 0
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assert_evaluates_argument_error '1', '>=', 0
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assert_evaluates_argument_error '1', '<=', 0
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end
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def test_contains_works_on_arrays
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@context = Liquid::Context.new
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@context['array'] = [1,2,3,4,5]
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array_expr = VariableLookup.new("array")
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assert_evalutes_false array_expr, 'contains', 0
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assert_evalutes_true array_expr, 'contains', 1
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assert_evalutes_true array_expr, 'contains', 2
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assert_evalutes_true array_expr, 'contains', 3
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assert_evalutes_true array_expr, 'contains', 4
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assert_evalutes_true array_expr, 'contains', 5
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assert_evalutes_false array_expr, 'contains', 6
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assert_evalutes_false array_expr, 'contains', "1"
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end
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def test_contains_returns_false_for_nil_operands
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@context = Liquid::Context.new
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assert_evalutes_false VariableLookup.new('not_assigned'), 'contains', '0'
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assert_evalutes_false 0, 'contains', VariableLookup.new('not_assigned')
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end
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def test_contains_return_false_on_wrong_data_type
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assert_evalutes_false 1, 'contains', 0
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end
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def test_or_condition
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condition = Condition.new(1, '==', 2)
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assert_equal false, condition.evaluate
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condition.or Condition.new(2, '==', 1)
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assert_equal false, condition.evaluate
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condition.or Condition.new(1, '==', 1)
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assert_equal true, condition.evaluate
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end
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def test_and_condition
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condition = Condition.new(1, '==', 1)
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assert_equal true, condition.evaluate
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condition.and Condition.new(2, '==', 2)
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assert_equal true, condition.evaluate
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condition.and Condition.new(2, '==', 1)
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assert_equal false, condition.evaluate
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end
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def test_should_allow_custom_proc_operator
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Condition.operators['starts_with'] = Proc.new { |cond, left, right| left =~ %r{^#{right}} }
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assert_evalutes_true 'bob', 'starts_with', 'b'
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assert_evalutes_false 'bob', 'starts_with', 'o'
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ensure
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Condition.operators.delete 'starts_with'
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end
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def test_left_or_right_may_contain_operators
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@context = Liquid::Context.new
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@context['one'] = @context['another'] = "gnomeslab-and-or-liquid"
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assert_evalutes_true VariableLookup.new("one"), '==', VariableLookup.new("another")
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end
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private
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def assert_evalutes_true(left, op, right)
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assert Condition.new(left, op, right).evaluate(@context || Liquid::Context.new),
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"Evaluated false: #{left} #{op} #{right}"
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end
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def assert_evalutes_false(left, op, right)
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assert !Condition.new(left, op, right).evaluate(@context || Liquid::Context.new),
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"Evaluated true: #{left} #{op} #{right}"
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end
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def assert_evaluates_argument_error(left, op, right)
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assert_raises(Liquid::ArgumentError) do
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Condition.new(left, op, right).evaluate(@context || Liquid::Context.new)
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end
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end
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end # ConditionTest
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