public async Task WHEN_eventIsSend_THEN_sagaShouldMoveToValidState()
{
// given
ISaga saga = await sagaCoordinator.
Publish(new SendCreateEvent());
// when
await sagaCoordinator.
Publish(new TestSendActionEvent()
{
ID = saga.Data.ID
});
// then
ISaga orgSaga = await sagaPersistance.
Get(saga.Data.ID);
SendTestsData data = orgSaga.Data as SendTestsData;
ISaga createdSaga = await sagaPersistance.
Get(data.CreatedSagaID);
orgSaga.ShouldNotBeNull();
orgSaga.ExecutionState.CurrentState.ShouldBe(nameof(AfterInit));
orgSaga.ExecutionState.CurrentStep.ShouldBe(null);
createdSaga.ShouldNotBeNull();
createdSaga.ExecutionState.CurrentState.ShouldBe(nameof(AkternativeInit));
createdSaga.ExecutionState.CurrentStep.ShouldBe(null);
}
public async Task WHEN_sendValidStateToSagaWithError_THEN_errorShouldBeNull()
{
// given
ISaga saga = await sagaCoordinator.
Publish(new ValidCreatedEvent());
await Assert.ThrowsAsync <TestCompensationException>(async() =>
{
await sagaCoordinator.Publish(new InvalidCompensationEvent()
{
ID = saga.Data.ID
});
});
// when
await sagaCoordinator.Publish(new ValidUpdateEvent()
{
ID = saga.Data.ID
});
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(StateUpdated));
persistedSaga.ExecutionState.CurrentError.ShouldBeNull();
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
}
public async Task WHEN_compensationThrowsErrorOnUpdate_THEN_sagaShouldBeInValidState()
{
// given
ISaga saga = await sagaCoordinator.
Publish(new ValidCreatedEvent());
// when
await Assert.ThrowsAsync <TestCompensationException>(async() =>
{
await sagaCoordinator.Publish(new InvalidCompensationEvent()
{
ID = saga.Data.ID
});
});
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(StateCreated));
persistedSaga.ExecutionState.CurrentError.ShouldNotBeNull();
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
persistedSaga.ExecutionState.History.ShouldContain(item =>
item.CompensationData != null && item.StepName == "InvalidCompensationEventStep1");
persistedSaga.ExecutionState.History.ShouldContain(item =>
item.CompensationData != null && item.StepName == "InvalidCompensationEventStep2");
persistedSaga.ExecutionState.History.ShouldContain(item =>
item.CompensationData != null && item.StepName == "InvalidCompensationEventStep3");
}
public async Task WHEN_someNextEvent_THEN_sagaShouldBeInValidState()
{
// given
ISaga newSagaState = await sagaCoordinator.
Publish(new OrderCreatedEvent());
ISagaEvent skompletowanoEvent = new OrderCompletedEvent()
{
ID = newSagaState.Data.ID
};
// then
await sagaCoordinator.
Publish(skompletowanoEvent);
// then
ISaga persistedSaga = await sagaPersistance.
Get(newSagaState.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(StateCompleted));
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
persistedSaga.ExecutionState.History.ShouldNotContain(step => step.StepName == "OrderCreatedEventStep0" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldNotContain(step => step.StepName == "OrderCreatedEventStep1" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "OrderCompletedEventStep1" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "email" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "SendMessageToTheManagerEventStep" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "OrderCourierEventStep" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.Count.ShouldBe(6);
}
public async Task WHEN_invalidEvent_THEN_sagaShouldIgnoreThatEvent()
{
// given
ISaga newSagaState = await sagaCoordinator.
Publish(new OrderCreatedEvent());
ISagaEvent invalidEvent = new OrderSendEvent()
{
ID = newSagaState.Data.ID
};
// then
await Assert.ThrowsAsync <SagaInvalidEventForStateException>(() =>
// when
sagaCoordinator.
Publish(invalidEvent)
);
// then
ISaga persistedSaga = await sagaPersistance.
Get(newSagaState.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(StateCreated));
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
// blad nie powinien zmienic stanu sagi
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "OrderCreatedEventStep1" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.Count.ShouldBe(3);
}
public async Task WHEN_afterAsynchronousSagaRun_THEN_sagaShouldBeCompleted()
{
// given
ISagaEvent startEvent = new CreatedEvent();
ISaga saga = await sagaCoordinator.
Publish(startEvent);
// when
await sagaCoordinator.
WaitForIdle(saga.Data.ID);
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldBe(new SagaFinishState().Name);
persistedSaga.ExecutionState.CurrentState.ShouldBe(new SagaFinishState().Name);
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "CreatedEventStep0" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "CreatedEventStep1" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "CreatedEventStep2" && step.CompensationData == null && step.HasSucceeded());
persistedSaga.ExecutionState.History.Count.ShouldBe(4);
}
public async Task WHEN_startEvent_THEN_sagaShouldBeCreated()
{
// given
ISagaEvent startEvent = new OrderCreatedEvent();
// when
ISaga saga = await sagaCoordinator.
Publish(startEvent);
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(StateCreated));
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "OrderCreatedEventStep1" && step.CompensationData == null && step.HasSucceeded());
}
public async Task WHEN_runSagaAsynchronous_THEN_sagaShouldBeInIntermediateState()
{
// given
ISagaEvent startEvent = new CreatedEvent();
// when
ISaga saga = await sagaCoordinator.
Publish(startEvent);
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldStartWith("CreatedEventStep");
persistedSaga.ExecutionState.CurrentState.ShouldBe(new SagaStartState().Name);
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
persistedSaga.ExecutionState.History.ShouldContain(step => step.StepName == "CreatedEventStep0" && step.CompensationData == null);
}
public async Task WHEN_otherEventIsSend_THEN_sagaShouldMoveToOtherValidState()
{
// given
ISaga saga = await sagaCoordinator.
Publish(new OrderCreatedEvent());
// when
await sagaCoordinator.
Publish(new ToAlternative2Event()
{
ID = saga.Data.ID
});
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(StateAlternative2));
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
}
public async Task WHEN_eventIsSend_THEN_sagaShouldMoveToValidState()
{
// given
ISaga saga = await sagaCoordinator.
Publish(new CreateEvent());
// when
await Assert.ThrowsAsync <Exception>(() =>
sagaCoordinator.
Publish(new InvalidUpdateEvent()
{
ID = saga.Data.ID
}));
// then
ISaga persistedSaga = await sagaPersistance.
Get(saga.Data.ID);
persistedSaga.ShouldNotBeNull();
persistedSaga.ExecutionState.CurrentStep.ShouldBe(null);
persistedSaga.ExecutionState.CurrentState.ShouldBe(nameof(Init));
persistedSaga.Data.ID.ShouldBe(saga.Data.ID);
}
