public void If_The_Ola_Is_Breached_Then_Any_Placed_Sales_Call_Is_Cancelled()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
fixture.Deliver(new CustomerAccountCreated {
CustomerName = customerName
});
bus.HasSentLocal <ScheduleASalesCall>(
with: x => x.CustomerName == customerName,
because: "a sales call is scheduled after the account is created");
fixture.Deliver(new VerifyCustomerOnboardingOla {
CustomerName = customerName
});
fixture.ShouldHaveCompleted();
bus.HasSentLocal <CancellSalesCall>(
with: x => x.CustomerName == customerName,
because: "any scheduled sales call is cancelled after an OLA breach");
}
}
public void CanSimulateConflict_MultipleMessages_SingleConflict()
{
using (var fixture = SagaFixture.For(() => new ConflictSagaHandler()))
{
fixture.DumpLogsOnDispose();
fixture.Deliver(new SomeMessage("some-id", "HEJ MED DIG"));
fixture.Deliver(new SomeMessage("some-id", "MIN VEN"));
fixture.PrepareConflict <ConflictSagaHandlerData>(d => d.CorrelationId == "some-id");
fixture.Deliver(new SomeMessage("some-id", "IGEN"));
var sagaData = fixture.Data
.OfType <ConflictSagaHandlerData>()
.FirstOrDefault(d => d.CorrelationId == "some-id")
?? throw new AssertionException($"Could not find saga data with correlation ID 'some-id'");
string GetReceivedStrings() =>
$@"Got these strings:
{string.Join(Environment.NewLine, sagaData.ReceivedStrings)}
";
Assert.That(sagaData.ReceivedStrings.Count, Is.EqualTo(3), GetReceivedStrings);
Assert.That(sagaData.ReceivedStrings.Contains("HEJ MED DIG"), Is.True, GetReceivedStrings);
Assert.That(sagaData.ReceivedStrings.Contains("MIN VEN"), Is.True, GetReceivedStrings);
Assert.That(sagaData.ReceivedStrings.Contains("IGEN"), Is.True, GetReceivedStrings);
}
}
public void Other_Systems_Are_Notified_After_A_Succcessful_Onboarding()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
fixture.Deliver(new CustomerAccountCreated {
CustomerName = customerName
});
fixture.Deliver(new WelcomePackSentToCustomer {
CustomerName = customerName
});
fixture.ShouldHaveCompleted();
bus.HasPublished <CustomerOnboarded>(
with: x => x.CustomerName == customerName,
because: "the saga should publishes an event notifying of the customer onboarding")
.HasNotSentLocal <CustomerOnboardingOlaBreached>(
because: "the onboarding was successful");
fixture.ShouldHaveCompleted();
OnboardCustomerSagaData SagaDataShould(Predicate <OnboardCustomerSagaData> have, string because = null)
{
return(fixture.SagaData <OnboardCustomerSaga, OnboardCustomerSagaData>().Should(have, because));
}
}
}
public void A_Welcome_Pack_Is_Sent_To_The_Customer_After_Their_Account_Has_Been_Created()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
fixture.Deliver(new CustomerAccountCreated {
CustomerName = customerName
});
fixture.SagaDataShould(
have: x => x.AccountCreated,
because: "it should remember the account has been created")
.SagaDataIsNotComplete();
bus.HasSent <SendWelcomePackToCustomer>(
with: x => x.CustomerName == customerName,
because: "it should initiate welcome pack creation"
);
fixture.ShouldNotHaveCompleted();
}
}
public void Onboarding_Causes_An_Account_To_Be_Created_For_The_Customer()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
fixture.SagaDataShould(
have: x => x.CustomerName == customerName,
because: "store the customer name")
.SagaDataIsNotComplete();
bus.HasSentLocal <CreateCustomerAccount>(
with: x => x.CustomerName == customerName,
because: "it should initiate account creation"
);
fixture.Deliver(new CustomerAccountCreated {
CustomerName = customerName
});
fixture.SagaDataShould(
have: x => x.AccountCreated,
because: "it should remember the account has been created")
.SagaDataIsNotComplete();
fixture.ShouldNotHaveCompleted();
}
}
public void The_Sales_Team_Will_Set_Up_A_Call_With_The_Customer_After_Their_Account_Has_Been_Created()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
fixture.Deliver(new CustomerAccountCreated {
CustomerName = customerName
});
fixture.SagaDataShould(
have: x => x.AccountCreated,
because: "it should remember the account has been created")
.SagaDataIsNotComplete();
bus.HasSentLocal <ScheduleASalesCall>(
with: x => x.CustomerName == customerName,
because: "a sales call is scheduled after the account is created");
fixture.ShouldNotHaveCompleted();
}
}
public void CanRetrieveSagaData()
{
using var fixture = SagaFixture.For <MySaga>();
fixture.Deliver(new TestMessage("hej"));
var current = fixture.Data.OfType <MySagaState>().ToList();
Assert.That(current.Count, Is.EqualTo(1));
Assert.That(current[0].Text, Is.EqualTo("hej"));
}
public void EmitsCreatedEvent()
{
using var fixture = SagaFixture.For(sagaHandlerFactory: () => new MySaga(), sagaSerializerFactory: () => new MicrosoftSagaSerializer());
var gotEvent = false;
fixture.Created += _ => gotEvent = true;
fixture.Deliver(new TestMessage("hej"));
Assert.That(gotEvent, Is.True);
}
public void EmitsCouldNotCorrelateEvent()
{
using (var fixture = SagaFixture.For <MySaga>())
{
var gotEvent = false;
fixture.CouldNotCorrelate += () => gotEvent = true;
fixture.Deliver(new TestMessage("hej"));
Assert.That(gotEvent, Is.True);
}
}
public void EmitsCreatedEvent()
{
using (var fixture = SagaFixture.For <MySaga>())
{
var gotEvent = false;
fixture.Created += d => gotEvent = true;
fixture.Deliver(new TestMessage("hej"));
Assert.That(gotEvent, Is.True);
}
}
public void IdIsSetUponNullId()
{
using (var fixture = SagaFixture.For <MySaga>())
{
// Arrange
// Act
fixture.Add(new MySagaState());
// Asert
Assert.That(fixture.Data.Count(), Is.EqualTo(1));
Assert.That(fixture.Data.Single().Id, Is.Not.Null);
}
}
public void EmitsUpdatedEvent()
{
using var fixture = SagaFixture.For <MySaga>();
fixture.Deliver(new TestMessage("hej"));
var gotEvent = false;
fixture.Updated += _ => gotEvent = true;
fixture.Deliver(new TestMessage("hej"));
Assert.That(gotEvent, Is.True);
}
public void Reproduce()
{
using var fixture = SagaFixture.For(() => new MySaga());
fixture.DumpLogsOnDispose();
fixture.Deliver(new MyMessage());
Task.Delay(TimeSpan.FromSeconds(1)).Wait();
var logs = fixture.LogEvents.ToList();
Assert.That(logs.Count(l => l.Level == LogLevel.Warn), Is.EqualTo(1));
}
public void SagaDataWithNonEmptyIdIsAddedToSagaFixtureData()
{
using (var fixture = SagaFixture.For <MySaga>())
{
// Arrange
// Act
fixture.Add(new MySagaState {
Id = Guid.NewGuid()
});
// Assert
Assert.That(fixture.Data.Count(), Is.EqualTo(1));
}
}
public void CanSetUpFakeSagaData()
{
using var fixture = SagaFixture.For <MySaga>();
fixture.Add(new MySagaState {
Text = "I know you!"
});
fixture.AddRange(new[] { new MySagaState {
Text = "I know you too!"
} });
Assert.That(fixture.Data.Count(), Is.EqualTo(2));
Assert.That(fixture.Data.OfType <MySagaState>().Count(d => d.Text == "I know you!"), Is.EqualTo(1));
Assert.That(fixture.Data.OfType <MySagaState>().Count(d => d.Text == "I know you too!"), Is.EqualTo(1));
}
public void CanDispatchFailedMessage()
{
var failedMessageWasReceived = new ManualResetEvent(false);
Using(failedMessageWasReceived);
using var fixture = SagaFixture.For(() => new MySaga(failedMessageWasReceived), secondLevelRetriesEnabled: true);
fixture.DumpLogsOnDispose();
fixture.Add(new MySagaState {
Text = "known-string"
});
fixture.DeliverFailed(new TestMessage("known-string"), new DriveNotFoundException("B:"));
failedMessageWasReceived.WaitOrDie(TimeSpan.FromSeconds(3));
}
public void The_Systems_Track_The_Ola_For_Customer_Onboarding()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
bus.HasDeferredLocal <VerifyCustomerOnboardingOla>(
with: x => x.CustomerName == customerName,
because: "it should start tracking the OLA");
}
}
public async Task YeahItWorks()
{
var receivedEvents = new ConcurrentQueue <string>();
using var fixture = SagaFixture.For(() => new RandomSaga(receivedEvents));
fixture.Deliver(new RandomMessage("hej"));
fixture.HandlerExceptions.ThrowIfNotEmpty();
await Task.Delay(millisecondsDelay : 17);
fixture.Deliver(new RandomMessage("hej igen"));
Assert.That(receivedEvents.Count, Is.EqualTo(2));
Assert.That(receivedEvents, Is.EqualTo(new[] { "hej", "hej igen" }));
}
public void CanGetCaughtException()
{
using (var fixture = SagaFixture.For <MySaga>())
{
fixture.Deliver(new FailingTestMessage("whoohoo"));
var handlerExceptions = fixture.HandlerExceptions.ToList();
Console.WriteLine(string.Join(Environment.NewLine + Environment.NewLine, handlerExceptions));
Assert.That(handlerExceptions.Count, Is.EqualTo(1));
var exception = handlerExceptions.Single();
Assert.That(exception.Exception, Is.TypeOf <RebusApplicationException>());
Assert.That(exception.Exception.ToString(), Contains.Substring("oh no something bad happened"));
}
}
public void If_The_Ola_Is_Breached_Then_And_No_Sales_Call_Was_Placed_Then_No_Cancellation_Takes_Place()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
bus.HasNotSentLocal <ScheduleASalesCall>(
because: "the account creation is has not been confirmed");
fixture.Deliver(new VerifyCustomerOnboardingOla {
CustomerName = customerName
});
fixture.ShouldHaveCompleted();
bus.HasNotSentLocal <CancellSalesCall>(
because: "the sales call is only cancelled after an OLA breach if it has already been requested");
}
}
public void If_The_Ola_Is_Breached_Then_Other_Systems_Will_Not_Be_Notified_About_The_Onboarding()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
bus.HasDeferredLocal <VerifyCustomerOnboardingOla>(
with: x => x.CustomerName == customerName,
because: "it should start tracking the OLA");
fixture.Deliver(new VerifyCustomerOnboardingOla {
CustomerName = customerName
});
fixture.ShouldHaveCompleted();
bus.HasNotPublished <CustomerOnboarded>(because: "the saga was not successful and there should be no event notifying of a customer onboarding");
}
}
public void TestSaga()
{
var id = MemoId.New;
var fixture = new SagaFixture <AutoConfimMemoSaga, AutoConfirmSagaState>(this);
//BDD тест (сценарий)
fixture.For()
//Допустим (предусловия)
.GivenNothing()
//Когда (тестируемые действия)
.When <MemoId, SigningStarted>(new SigningStarted(id, "TestUser"))
//Тогда (проверка результатов)
.ThenExpect <MemoId, ConfirmSigningMemo>(command => command.Id == id)
//Когда (тестируемые действия)
.AndWhen <MemoId, MemoSigned>(new MemoSigned(id))
//Тогда (проверка результатов)
.ThenExpectState(state => state.UserId == "TestUser");
}
public void If_The_Ola_Is_Breached_Then_The_Service_Desk_Takes_Over_The_Process()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
bus.HasDeferredLocal <VerifyCustomerOnboardingOla>(
with: x => x.CustomerName == customerName,
because: "it should start tracking the OLA");
fixture.Deliver(new VerifyCustomerOnboardingOla {
CustomerName = customerName
});
fixture.ShouldHaveCompleted();
bus.HasSentLocal <CustomerOnboardingOlaBreached>(
with: x => x.CustomerName == customerName,
because: "the service desk should be notified of the failed onboarding");
}
}
public void A_Welcome_Pack_Is_Not_Sent_To_The_Customer_After_Another_Account_Has_Been_Created()
{
var customerName = RandomName;
var bus = new FakeBus();
using (var fixture = SagaFixture.For(() => new OnboardCustomerSaga(bus)))
{
fixture.Deliver(new OnboardCustomer {
CustomerName = customerName
});
fixture.Deliver(new CustomerAccountCreated {
CustomerName = RandomName
});
fixture.SagaDataShould(
have: x => !x.AccountCreated,
because: "it should not have reacted to the other customer's account being created");
bus.HasNotSent <SendWelcomePackToCustomer>(
because: "it should initiate welcome pack creation because of another customer's account being created"
);
fixture.ShouldNotHaveCompleted();
}
}