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require 'mocha/parameter_matchers/base'
module Mocha
module ParameterMatchers
# Matches +Hash+ containing +key+.
#
# @param [Object] key expected key.
# @return [HasKey] parameter matcher.
#
# @see Expectation#with
#
# @example Actual parameter contains entry with expected key.
# object = mock()
# object.expects(:method_1).with(has_key('key_1'))
# object.method_1('key_1' => 1, 'key_2' => 2)
# # no error raised
#
# @example Actual parameter does not contain entry with expected key.
# object = mock()
# object.expects(:method_1).with(has_key('key_1'))
# object.method_1('key_2' => 2)
# # error raised, because method_1 was not called with Hash containing key: 'key_1'
#
def has_key(key) # rubocop:disable Naming/PredicateName
HasKey.new(key)
end
# Parameter matcher which matches when actual parameter contains +Hash+ entry with expected key.
class HasKey < Base
# @private
def initialize(key)
@key = key
end
# @private
def matches?(available_parameters)
parameter = available_parameters.shift
return false unless parameter.respond_to?(:keys)
parameter.keys.any? { |key| @key.to_matcher.matches?([key]) }
end
# @private
def mocha_inspect
"has_key(#{@key.mocha_inspect})"
end
end
end
end
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