public async Task WHEN_exceptionAfterWhile_THEN_wholeWhileShouldBeCompensated()
{
// given
ISaga saga = await sagaCoordinator.Publish(new CreateWhileSagaEvent());
// when
await Assert.ThrowsAsync <Exception>(async() =>
await sagaCoordinator.Publish(new Test2Event()
{
ID = saga.Data.ID, Counter = 2
}));
// then
ISaga persistedSaga = await sagaPersistance.Get(saga.Data.ID);
WhileSagaData data = persistedSaga.Data as WhileSagaData;
data.Counter.ShouldBe(0);
data.Value.ShouldBe(20);
data.SecondValue.ShouldBe(1);
persistedSaga.ExecutionState.History.Count.ShouldBe(
1 + // event handler
3 * 2 + // while + steps
1 + // last while check
1 + // then
1); // exception
persistedSaga.ExecutionState.History.
Where(s => s.CompensationData == null).Count().ShouldBe(0);
persistedSaga.ExecutionState.History.
Where(s => s.ResumeData != null).Count().ShouldBe(0);
}
public async Task WHEN_whileIsUsed_THEN_shouldRunProperly()
{
// given
ISaga saga = await sagaCoordinator.Publish(new CreateWhileSagaEvent());
// when
await sagaCoordinator.Publish(new Test1Event()
{
ID = saga.Data.ID, Counter = 10
});
// then
ISaga persistedSaga = await sagaPersistance.Get(saga.Data.ID);
WhileSagaData data = persistedSaga.Data as WhileSagaData;
data.Counter.ShouldBe(0);
data.Value.ShouldBe(100);
persistedSaga.ExecutionState.History.Count.ShouldBe(
1 + // event handler
3 * 10 + // while + steps
1 + // last while check
1); // transition to
}
