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require 'mocha/parameter_matchers/base'
module Mocha
module ParameterMatchers
# Matches +Hash+ containing +keys+.
#
# @param [*Array<Object>] keys expected keys.
# @return [HasKeys] parameter matcher.
#
# @see Expectation#with
#
# @example Actual parameter contains entry with expected keys.
# object = mock()
# object.expects(:method_1).with(has_keys(:key_1, :key_2))
# object.method_1(:key_1 => 1, :key_2 => 2, :key_3 => 3)
# # no error raised
#
# @example Actual parameter does not contain all expected keys.
# object = mock()
# object.expects(:method_1).with(has_keys(:key_1, :key_2))
# object.method_1(:key_2 => 2)
# # error raised, because method_1 was not called with Hash containing key: :key_1
#
def has_keys(*keys) # rubocop:disable Naming/PredicateName
HasKeys.new(*keys)
end
# Parameter matcher which matches when actual parameter contains +Hash+ with all expected keys.
class HasKeys < Base
# @private
def initialize(*keys)
raise ArgumentError, 'No arguments. Expecting at least one.' if keys.empty?
@keys = keys
end
# @private
def matches?(available_parameters)
parameter = available_parameters.shift
return false unless parameter.respond_to?(:keys)
@keys.map(&:to_matcher).all? do |matcher|
parameter.keys.any? { |key| matcher.matches?([key]) }
end
end
# @private
def mocha_inspect
"has_keys(#{@keys.mocha_inspect(false)})"
end
end
end
end
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