public async Task D_A_UseService_ServiceSucceeds_Succeeds()
{
var service = new Mock<IService>();
var sut = new Sut
{
Service = service.Object
};
await sut.UseServiceAsync();
}
public async Task C_E_NSubstituteWorksGreatOutOfTheBox()
{
var service = Substitute.For<IService>();
var sut = new Sut
{
Service = service
};
await sut.UseServiceAsync();
}
public async Task C_D_FakeItEasyWorksGreatOutOfTheBox()
{
var service = A.Fake<IService>();
var sut = new Sut
{
Service = service
};
await sut.UseServiceAsync();
}
public async Task C_C_MoqWorksGreatOutOfTheBox()
{
var service = new Mock<IService>();
var sut = new Sut
{
Service = service.Object
};
await sut.UseServiceAsync();
}
public async Task C_A_MSTestDefaultBehaviorIsNotGoodForAsyncStubs()
{
var service = new SystemUnderTest.Fakes.StubIService();
var sut = new Sut
{
Service = service
};
await sut.UseServiceAsync();
}
public async Task C_B_ButMSTestDefaultStubBehaviorCanBeChanged()
{
var service = new SystemUnderTest.Fakes.StubIService
{
InstanceBehavior = new AsyncAwareDefaultValueStubBehavior()
};
var sut = new Sut
{
Service = service
};
await sut.UseServiceAsync();
}
public async Task D_B_UseService_ServiceFails_PropagatesException()
{
var service = new Mock<IService>();
var exception = new Exception("Test failure.");
service.Setup(x => x.DoSomethingAsync()).Returns(Task.FromException(exception));
var sut = new Sut
{
Service = service.Object
};
var resultException = await AsyncAssert.ThrowsAsync<Exception>(async () => await sut.UseServiceAsync());
Assert.AreSame(exception, resultException);
}