Contents

module RSpec
  module Matchers
    class Has
      def initialize(expected, *args)
        @expected, @args = expected, args
      end

      def matches?(actual)
        actual.__send__(predicate(@expected), *@args)
      end

      def failure_message_for_should
        "expected ##{predicate(@expected)}(#{@args[0].inspect}) to return true, got false"
      end

      def failure_message_for_should_not
        "expected ##{predicate(@expected)}(#{@args[0].inspect}) to return false, got true"
      end

      def description
        [method_description(@expected), args_description(@args)].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(args)
        return nil if args.empty?
        args.map { |arg| arg.inspect }.join(', ')
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
rspec-expectations-2.6.0	lib/rspec/matchers/has.rb
rspec-expectations-2.6.0.rc6	lib/rspec/matchers/has.rb
rspec-expectations-2.6.0.rc4	lib/rspec/matchers/has.rb
rspec-expectations-2.6.0.rc2	lib/rspec/matchers/has.rb