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module RSpec
module Matchers
module BuiltIn
class Has
def initialize(expected, *args)
@expected, @args = expected, args
end
def matches?(actual)
actual.__send__(predicate(@expected), *@args)
end
alias == matches?
def failure_message_for_should
"expected ##{predicate(@expected)}#{failure_message_args_description} to return true, got false"
end
def failure_message_for_should_not
"expected ##{predicate(@expected)}#{failure_message_args_description} to return false, got true"
end
def description
[method_description(@expected), args_description].compact.join(' ')
end
private
def predicate(sym)
"#{sym.to_s.sub("have_","has_")}?".to_sym
end
def method_description(method)
method.to_s.gsub('_', ' ')
end
def args_description
return nil if @args.empty?
@args.map { |arg| arg.inspect }.join(', ')
end
def failure_message_args_description
desc = args_description
"(#{desc})" if desc
end
end
end
end
end
|
