109 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
require File.dirname(__FILE__) + '/helper'
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class ConditionTest < Test::Unit::TestCase
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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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  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_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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    assert_evalutes_false "array", 'contains', '0'
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    assert_evalutes_true "array", 'contains', '1'
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    assert_evalutes_true "array", 'contains', '2'
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    assert_evalutes_true "array", 'contains', '3'
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    assert_evalutes_true "array", 'contains', '4'
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    assert_evalutes_true "array", 'contains', '5'
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    assert_evalutes_false "array", 'contains', '6'
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    assert_evalutes_false "array", 'contains', '"1"'        
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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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  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), "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), "Evaluated true: #{left} #{op} #{right}"
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    end
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end |