public void Mocks_are_semantically_important_to_the_test()
{
var service = MockRepository.GenerateMock<IGameResultsService>();
var game = new Game();
game.StartGame(service);
service.AssertWasCalled(s => s.DoSomething());
}
public void Mock_as_a_noun_is_part_of_the_test_assertions()
{
var mock = MockRepository.GenerateMock<IGameResultsService>();
var game = new Game();
game.StartGame(mock);
mock.AssertWasCalled(m => m.DoSomething());
}
public void Stub_as_a_noun_is_just_scaffolding()
{
var stub = MockRepository.GenerateStub<IGameResultsService>();
var game = new Game();
stub.Stub(s => s.GetMagicNumber(Arg<string>.Is.Anything)).Return(3);
var result = game.CalculateMagicNumber(stub);
result.ShouldEqual(3 + 7);
}
public void Use_AssertWasCalled_for_interaction_tests_on_a_mock()
{
const string expectedBand = "The Blues Brothers";
var game = new Game();
game.UpdateFavoriteBand(_mock, expectedBand);
//Interaction-based test:
_mock.AssertWasCalled(m => m.FavoriteBand = expectedBand);
}
public void AssertWasCalled_will_not_work_for_properties_on_a_stub()
{
const string expectedBand = "Rick Astley";
var interactor = new Game();
interactor.UpdateFavoriteBand(_stub, expectedBand);
//Incorrectly failing test:
_stub.AssertWasCalled(m => m.FavoriteBand = expectedBand);
}
public void Use_GetArgumentsForCallsMadeOn_to_inspect_arguments()
{
var game = new Game();
game.GetMagicNumberTwice(_mock);
IList<object[]> argsPerCall =
_mock.GetArgumentsForCallsMadeOn(m => m.GetMagicNumber(null));
argsPerCall[0][0].ShouldEqual("foo");
argsPerCall[1][0].ShouldEqual("bar");
}
public void Stub_as_a_verb_sets_up_behavior_on_mocks_and_stubs()
{
var mock = MockRepository.GenerateMock<IGameResultsService>();
var stub = MockRepository.GenerateStub<IGameResultsService>();
var game = new Game();
mock.Stub(m => m.GetMagicNumber(Arg<string>.Is.Anything)).Return(2);
stub.Stub(m => m.GetMagicNumber(Arg<string>.Is.Anything)).Return(5);
var result = game.CalculateMagicNumber(mock);
result.ShouldEqual(2 + 7);
}
public void Use_PropertyBehavior_for_state_based_tests_on_a_mock()
{
const string expectedBand = "Philip Glass";
var game = new Game();
//This is not typical, but it is available:
_mock.Stub(m => m.FavoriteBand).PropertyBehavior();
game.UpdateFavoriteBand(_mock, expectedBand);
//State-based test:
_mock.FavoriteBand.ShouldEqual(expectedBand);
}
public void Stubs_are_supporting_players()
{
var service = MockRepository.GenerateStub<IGameResultsService>();
const string magicWord = "something extra";
const int magicNumberSeed = 9;
var game = new Game();
service.Stub(s => s.GetMagicNumber(magicWord))
.Return(magicNumberSeed);
var result = game.CalculateMagicNumber(service, magicWord);
Assert.That(result, Is.EqualTo(magicNumberSeed + 7));
}
public void Stubs_do_not_verify_their_expectations()
{
//This is a legacy point.
//I recommend the AssertWasCalled syntax over the VerifyAll.
var service = MockRepository.GenerateStub<IGameResultsService>();
var game = new Game();
service.Expect(s => s.GetMagicNumber(Arg<string>.Is.Anything)).Return(4);
game.IgnoreTheService(service);
//This will silently pass, as if Game were meeting your expectations.
//Falsely passing test.
service.VerifyAllExpectations();
}
public void Only_mocks_verify_their_expectations()
{
//This is a legacy point.
//I recommend the AssertWasCalled syntax over the VerifyAll.
var service = MockRepository.GenerateMock<IGameResultsService>();
var game = new Game();
service.Expect(m => m.GetMagicNumber(Arg<string>.Is.Anything)).Return(4);
game.IgnoreTheService(service);
//This should (and does) throw an expectation violation.
//Correctly failing test.
service.VerifyAllExpectations();
}
public void Stubs_now_apply_AssertWasCalled()
{
//In prior versions of Rhino Mocks, AssertWasCalled and
//AssertWasNotCalled on stubs would silently pass.
var game = new Game();
var service = MockRepository.GenerateStub<IGameResultsService>();
game.IgnoreTheService(service);
//This should (and does) throw an expectation violation in 3.5+.
//Correctly failing test.
service.AssertWasCalled(s => s.GetMagicNumber(Arg<string>.Is.Anything));
}
public void You_can_stub_behavior_for_mocks_too()
{
var service = MockRepository.GenerateMock<IGameResultsService>();
const int magicNumberSeed = 9;
const string magicWord = "something extra";
var game = new Game();
service.Stub(s => s.GetMagicNumber(Arg<string>.Is.Anything))
.Return(magicNumberSeed);
var result = game.CalculateMagicNumber(service, magicWord);
service.AssertWasCalled(s => s.GetMagicNumber(magicWord));
Assert.That(result, Is.EqualTo(magicNumberSeed + 7));
}
public void SetUp()
{
_mock = MockRepository.GenerateMock<IGameResultsService>();
_game = new Game();
}
public void Setup()
{
_game = new Game();
_service = new MockGameResultsService();
}
