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

class MockedMethodDispatchTest < Mocha::TestCase
  include AcceptanceTest

  def setup
    setup_acceptance_test
  end

  def teardown
    teardown_acceptance_test
  end

  def test_should_find_latest_matching_expectation
    test_result = run_as_test do
      mock = mock()
      mock.stubs(:method).returns(1)
      mock.stubs(:method).returns(2)
      assert_equal 2, mock.method
      assert_equal 2, mock.method
      assert_equal 2, mock.method
    end
    assert_passed(test_result)
  end

  def test_should_find_latest_expectation_which_has_not_stopped_matching
    test_result = run_as_test do
      mock = mock()
      mock.stubs(:method).returns(1)
      mock.stubs(:method).once.returns(2)
      assert_equal 2, mock.method
      assert_equal 1, mock.method
      assert_equal 1, mock.method
    end
    assert_passed(test_result)
  end

  def test_should_keep_finding_later_stub_and_so_never_satisfy_earlier_expectation
    test_result = run_as_test do
      mock = mock()
      mock.expects(:method).returns(1)
      mock.stubs(:method).returns(2)
      assert_equal 2, mock.method
      assert_equal 2, mock.method
      assert_equal 2, mock.method
    end
    assert_failed(test_result)
  end

  def test_should_find_later_expectation_until_it_stops_matching_then_find_earlier_stub
    test_result = run_as_test do
      mock = mock()
      mock.stubs(:method).returns(1)
      mock.expects(:method).returns(2)
      assert_equal 2, mock.method
      assert_equal 1, mock.method
      assert_equal 1, mock.method
    end
    assert_passed(test_result)
  end

  def test_should_find_latest_expectation_with_range_of_expected_invocation_count_which_has_not_stopped_matching
    test_result = run_as_test do
      mock = mock()
      mock.stubs(:method).returns(1)
      mock.stubs(:method).times(2..3).returns(2)
      assert_equal 2, mock.method
      assert_equal 2, mock.method
      assert_equal 2, mock.method
      assert_equal 1, mock.method
      assert_equal 1, mock.method
    end
    assert_passed(test_result)
  end

  def test_should_fail_fast_if_invocation_matches_expectation_with_never_cardinality
    test_result = run_as_test do
      mock = mock('mock')
      mock.stubs(:method)
      mock.expects(:method).never
      mock.method
    end
    assert_failed(test_result)
    assert_equal [
      'unexpected invocation: #<Mock:mock>.method()',
      'unsatisfied expectations:',
      '- expected never, invoked once: #<Mock:mock>.method(any_parameters)',
      'satisfied expectations:',
      '- allowed any number of times, invoked never: #<Mock:mock>.method(any_parameters)'
    ], test_result.failure_message_lines
  end

  def test_should_not_fail_fast_if_invocation_matches_expectation_allowing_invocation_before_matching_expectation_with_never_cardinality
    test_result = run_as_test do
      mock = mock('mock')
      mock.expects(:method).never
      mock.expects(:method).once
      mock.method
    end
    assert_passed(test_result)
  end
end
