32 lines
886 B
Ruby
32 lines
886 B
Ruby
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require File.expand_path(File.dirname(__FILE__) + '/neo')
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class AboutKeywordArguments < Neo::Koan
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def method_with_keyword_arguments(one: 1, two: 'two')
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[one, two]
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end
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def test_keyword_arguments
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assert_equal __, method_with_keyword_arguments.class
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assert_equal __, method_with_keyword_arguments
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assert_equal __, method_with_keyword_arguments(one: 'one')
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assert_equal __, method_with_keyword_arguments(two: 2)
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end
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def method_with_keyword_arguments_with_mandatory_argument(one, two: 2, three: 3)
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[one, two, three]
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end
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def test_keyword_arguments_with_wrong_number_of_arguments
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exception = assert_raise (___) do
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method_with_keyword_arguments_with_mandatory_argument
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end
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assert_match(/__/, exception.message)
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end
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# THINK ABOUT IT:
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#
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# Keyword arguments always have a default value, making them optional to the caller
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end
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