require File.expand_path('../acceptance_test_helper', __FILE__)
require 'mocha/ruby_version'

class PrependTest < Mocha::TestCase
  include AcceptanceTest

  def setup
    setup_acceptance_test
  end

  def teardown
    teardown_acceptance_test
  end

  module Mod1
    def my_method
      super + ' World'
    end
  end

  module Mod2
    def my_method
      super + ' Wide'
    end
  end

  class Klass1
    prepend Mod1
    prepend Mod2

    def my_method
      'Hello'
    end
  end

  class Klass2
    class << self
      prepend Mod1
      prepend Mod2

      def my_method
        'Hello'
      end
    end
  end

  def test_stubbing_any_instance_with_multiple_prepended_methods
    assert_snapshot_unchanged(Klass1) do
      test_result = run_as_test do
        Klass1.any_instance.stubs(:my_method).returns('Bye World')
        assert_equal 'Bye World', Klass1.new.my_method
      end
      assert_passed(test_result)
    end
    assert_equal 'Hello World Wide', Klass1.new.my_method
  end

  def test_stubbing_instance_with_multiple_prepended_methods
    object = Klass1.new

    assert_snapshot_unchanged(object) do
      test_result = run_as_test do
        object.stubs(:my_method).returns('Bye World')
        assert_equal 'Bye World', object.my_method
        assert_equal 'Hello World Wide', Klass1.new.my_method
      end
      assert_passed(test_result)
    end
    assert_equal 'Hello World Wide', object.my_method
  end

  def test_stubbing_a_prepended_class_method
    assert_snapshot_unchanged(Klass2) do
      test_result = run_as_test do
        Klass2.stubs(:my_method).returns('Bye World')
        assert_equal 'Bye World', Klass2.my_method
      end
      assert_passed(test_result)
    end
    assert_equal 'Hello World Wide', Klass2.my_method
  end
end
