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Merge pull request #35 from varun-iyer/master

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Add a koan for mandatory keyword arguments
This commit is contained in:
Tony Schneider
2023-08-09 00:33:31 -04:00
committed by GitHub
parent 3334d7df48 c7a56e50fa
commit c2538ad118
1 changed files with 15 additions and 3 deletions
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18
src/about_keyword_arguments.rb
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@@ -24,8 +24,20 @@ class AboutKeywordArguments < Neo::Koan
assert_match(/#{__("wrong number of arguments")}/, exception.message)
end
# THINK ABOUT IT:
#
# Keyword arguments always have a default value, making them optional to the caller
def method_with_mandatory_keyword_arguments(one:, two: 'two')
[one, two]
end
def test_mandatory_keyword_arguments
assert_equal __(['one', 'two']), method_with_mandatory_keyword_arguments(one: 'one')
assert_equal __([1, 2]), method_with_mandatory_keyword_arguments(two: 2, one: 1)
end
def test_mandatory_keyword_arguments_without_mandatory_argument
exception = assert_raise(___(ArgumentError)) do
method_with_mandatory_keyword_arguments
end
assert_match(/#{__("missing keyword: :one")}/, exception.message)
end
end