public void Save_process_is_repeatable()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga {
Id = Guid.NewGuid()
};
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task <TestSaga> .Factory.StartNew(() => inMemorySagaPersister.Get <TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get <TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
var exceptionFromSaga2 = Assert.Throws <Exception>(() => inMemorySagaPersister.Save(returnedSaga2));
Assert.IsTrue(exceptionFromSaga2.Message.StartsWith(string.Format("InMemorySagaPersister concurrency violation: saga entity Id[{0}] already saved by [Worker.", saga.Id)));
var returnedSaga3 = Task <TestSaga> .Factory.StartNew(() => inMemorySagaPersister.Get <TestSaga>("Id", saga.Id)).Result;
var returnedSaga4 = inMemorySagaPersister.Get <TestSaga>(saga.Id);
inMemorySagaPersister.Save(returnedSaga4);
var exceptionFromSaga3 = Assert.Throws <Exception>(() => inMemorySagaPersister.Save(returnedSaga3));
Assert.IsTrue(exceptionFromSaga3.Message.StartsWith(string.Format("InMemorySagaPersister concurrency violation: saga entity Id[{0}] already saved by [Worker.", saga.Id)));
}
public async Task Save_fails_when_writing_same_data_twice()
{
var saga = new TestSagaData
{
Id = Guid.NewGuid()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var returnedSaga1 = await persister.Get <TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
var winningSaveSession = new InMemorySynchronizedStorageSession();
var losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Save(returnedSaga1, SagaMetadataHelper.GetMetadata <TestSaga>(saga), winningSaveSession, new ContextBag());
await persister.Save(returnedSaga1, SagaMetadataHelper.GetMetadata <TestSaga>(saga), losingSaveSession, new ContextBag());
await winningSaveSession.CompleteAsync();
Assert.That(async() => await losingSaveSession.CompleteAsync(), Throws.InstanceOf <Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
}
public async Task It_should_enforce_uniqueness()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var saga2 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var winningSession = new InMemorySynchronizedStorageSession();
var losingSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga1, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga1), winningSession, new ContextBag());
await persister.Save(saga2, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga1), losingSession, new ContextBag());
await winningSession.CompleteAsync();
Assert.That(async() => await losingSession.CompleteAsync(), Throws.InstanceOf <InvalidOperationException>());
}
public async Task It_should_persist_successfully()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var saga2 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var firstInsertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga1, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga1), firstInsertSession, new ContextBag());
await firstInsertSession.CompleteAsync();
var updateSession = new InMemorySynchronizedStorageSession();
saga1 = await persister.Get <SagaWithUniquePropertyData>(saga1.Id, updateSession, new ContextBag());
saga1.UniqueString = "whatever2";
await persister.Update(saga1, updateSession, new ContextBag());
await updateSession.CompleteAsync();
var secondInsertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga2, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga2), secondInsertSession, new ContextBag());
await secondInsertSession.CompleteAsync();
}
public void It_should_enforce_uniqueness()
{
var saga1 = new SagaWithUniqueProperty { Id = Guid.NewGuid(), UniqueString = "whatever"};
var saga2 = new SagaWithUniqueProperty { Id = Guid.NewGuid(), UniqueString = "whatever"};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
Assert.Throws<InvalidOperationException>(() => inMemorySagaPersister.Save(saga2));
}
public void It_should_enforce_uniqueness_even_for_two_unique_properties()
{
var saga1 = new SagaWithTwoUniqueProperties() { Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 5};
var saga2 = new SagaWithTwoUniqueProperties { Id = Guid.NewGuid(), UniqueString = "whatever1", UniqueInt = 3};
var saga3 = new SagaWithTwoUniqueProperties { Id = Guid.NewGuid(), UniqueString = "whatever3", UniqueInt = 3 };
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
Assert.Throws<InvalidOperationException>(() => inMemorySagaPersister.Save(saga3));
}
public void Save_fails_when_data_changes_between_read_and_update()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga { Id = Guid.NewGuid() };
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task<TestSaga>.Factory.StartNew(() => inMemorySagaPersister.Get<TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get<TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
Assert.Throws<ConcurrencyException>(() => inMemorySagaPersister.Save(returnedSaga2));
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithTwoUniqueProperties { Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 5 };
var saga2 = new AnotherSagaWithTwoUniqueProperties { Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 5 };
var saga3 = new SagaWithUniqueProperty {Id = Guid.NewGuid(), UniqueString = "whatever"};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
inMemorySagaPersister.Save(saga3);
}
public void It_should_enforce_uniqueness()
{
var saga1 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var saga2 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
Assert.Throws <InvalidOperationException>(() => inMemorySagaPersister.Save(saga2));
}
public void Save_fails_when_data_changes_between_read_and_update()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga { Id = Guid.NewGuid() };
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task<TestSaga>.Factory.StartNew(() => inMemorySagaPersister.Get<TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get<TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
var exception = Assert.Throws<Exception>(() => inMemorySagaPersister.Save(returnedSaga2));
Assert.IsTrue(exception.Message.StartsWith(string.Format("InMemorySagaPersister concurrency violation: saga entity Id[{0}] already saved by [Worker.", saga.Id)));
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithUniqueProperty{Id = Guid.NewGuid(), UniqueString = "whatever"};
var saga2 = new SagaWithUniqueProperty{Id = Guid.NewGuid(), UniqueString = "whatever"};
var inMemorySagaPersister = new InMemorySagaPersister();
inMemorySagaPersister.Save(saga1);
saga1 = inMemorySagaPersister.Get<SagaWithUniqueProperty>(saga1.Id);
saga1.UniqueString = "whatever2";
inMemorySagaPersister.Update(saga1);
inMemorySagaPersister.Save(saga2);
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithUniqueProperty { Id = Guid.NewGuid(), UniqueString = "whatever" };
var saga2 = new SagaWithUniqueProperty { Id = Guid.NewGuid(), UniqueString = "whatever" };
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Complete(saga1);
inMemorySagaPersister.Save(saga2);
inMemorySagaPersister.Complete(saga2);
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Complete(saga1);
}
public async Task Save_fails_when_data_changes_between_read_and_update_on_same_thread()
{
var sagaId = Guid.NewGuid();
var saga = new TestSagaData
{
Id = sagaId,
SomeId = sagaId.ToString()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var winningContext = new ContextBag();
var record = await persister.Get <TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), winningContext);
var losingContext = new ContextBag();
var staleRecord = await persister.Get <TestSagaData>("SomeId", sagaId.ToString(), new InMemorySynchronizedStorageSession(), losingContext);
var winningSaveSession = new InMemorySynchronizedStorageSession();
var losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(record, winningSaveSession, winningContext);
await persister.Update(staleRecord, losingSaveSession, losingContext);
await winningSaveSession.CompleteAsync();
Assert.That(async() => await losingSaveSession.CompleteAsync(), Throws.InstanceOf <Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
}
public void Save_fails_when_data_changes_between_read_and_update()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga {
Id = Guid.NewGuid()
};
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task <TestSaga> .Factory.StartNew(() => inMemorySagaPersister.Get <TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get <TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
Assert.Throws <ConcurrencyException>(() => inMemorySagaPersister.Save(returnedSaga2));
}
public async Task It_should_get_deep_copy()
{
var sagaData = new SagaWithComplexType
{
Id = Guid.NewGuid(),
Ints = new List <int> {
1, 2
}
};
var persister = new InMemorySagaPersister();
using (var session = new InMemorySynchronizedStorageSession())
{
await persister.Save(sagaData, null, session, new ContextBag());
await session.CompleteAsync();
}
using (var session = new InMemorySynchronizedStorageSession())
{
var retrieved = await persister.Get <SagaWithComplexType>(sagaData.Id, session, new ContextBag());
CollectionAssert.AreEqual(sagaData.Ints, retrieved.Ints);
Assert.False(ReferenceEquals(sagaData.Ints, retrieved.Ints));
}
}
public async Task It_should_successfully_update_the_saga()
{
var id = Guid.NewGuid();
var sagaData = new SagaWithoutUniquePropertyData
{
Id = id,
NonUniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
// first session
var session = new InMemorySynchronizedStorageSession();
await persister.Save(sagaData, SagaCorrelationProperty.None, session, new ContextBag());
await session.CompleteAsync();
// second session
var session2 = new InMemorySynchronizedStorageSession();
var ctx = new ContextBag();
var saga = await persister.Get <SagaWithoutUniquePropertyData>(id, session2, ctx);
saga.NonUniqueString = "asdfasdf";
await persister.Update(saga, session2, ctx);
await session2.CompleteAsync();
var result = await persister.Get <SagaWithoutUniquePropertyData>(sagaData.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.That(result, Is.Not.Null);
Assert.That(result.NonUniqueString, Is.EqualTo("asdfasdf"));
}
public async Task It_should_successfully_remove_the_saga()
{
var id = Guid.NewGuid();
var sagaData = new SagaWithoutUniquePropertyData
{
Id = id,
NonUniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var savingSession = new InMemorySynchronizedStorageSession();
await persister.Save(sagaData, null, savingSession, new ContextBag());
await savingSession.CompleteAsync();
// second session
var completingSession = new InMemorySynchronizedStorageSession();
var completingContextBag = new ContextBag();
var saga = await persister.Get<SagaWithoutUniquePropertyData>(id, completingSession, completingContextBag);
await persister.Complete(saga, completingSession, completingContextBag);
await completingSession.CompleteAsync();
var result = await persister.Get<SagaWithoutUniquePropertyData>(sagaData.Id, savingSession, new ContextBag());
Assert.That(result, Is.Null);
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithUniqueProperty {Id = Guid.NewGuid(), UniqueString = "whatever1"};
var saga2 = new SagaWithUniqueProperty {Id = Guid.NewGuid(), UniqueString = "whatever"};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
Assert.Throws<InvalidOperationException>(() =>
{
var saga = inMemorySagaPersister.Get<SagaWithUniqueProperty>(saga2.Id);
saga.UniqueString = "whatever1";
inMemorySagaPersister.Update(saga);
});
}
public async Task Should_delete_the_saga()
{
var saga = new SagaWithUniquePropertyData {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var intentionallySharedContext = new ContextBag();
var sagaData = await persister.Get <SagaWithUniquePropertyData>(saga.Id, new InMemorySynchronizedStorageSession(), intentionallySharedContext);
var completeSession = new InMemorySynchronizedStorageSession();
await persister.Complete(saga, completeSession, intentionallySharedContext);
await completeSession.CompleteAsync();
var completedSagaData = await persister.Get <SagaWithUniquePropertyData>(saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.NotNull(sagaData);
Assert.Null(completedSagaData);
}
public void It_should_persist_successfully_for_two_unique_properties()
{
var saga1 = new SagaWithTwoUniqueProperties { Id = Guid.NewGuid(), UniqueString = "whatever1", UniqueInt = 5};
var saga2 = new SagaWithTwoUniqueProperties { Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 37};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
Assert.Throws<InvalidOperationException>(() =>
{
var saga = inMemorySagaPersister.Get<SagaWithTwoUniqueProperties>(saga2.Id);
saga.UniqueInt = 5;
inMemorySagaPersister.Update(saga);
});
}
public async Task It_should_successfully_remove_the_saga()
{
var id = Guid.NewGuid();
var sagaData = new SagaWithoutUniquePropertyData
{
Id = id,
NonUniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var savingSession = new InMemorySynchronizedStorageSession();
await persister.Save(sagaData, null, savingSession, new ContextBag());
await savingSession.CompleteAsync();
// second session
var completingSession = new InMemorySynchronizedStorageSession();
var completingContextBag = new ContextBag();
var saga = await persister.Get <SagaWithoutUniquePropertyData>(id, completingSession, completingContextBag);
await persister.Complete(saga, completingSession, completingContextBag);
await completingSession.CompleteAsync();
var result = await persister.Get <SagaWithoutUniquePropertyData>(sagaData.Id, savingSession, new ContextBag());
Assert.That(result, Is.Null);
}
public async Task It_should_successfully_update_the_saga()
{
var id = Guid.NewGuid();
var sagaData = new SagaWithoutUniquePropertyData
{
Id = id,
NonUniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
// first session
var session = new InMemorySynchronizedStorageSession();
await persister.Save(sagaData, SagaCorrelationProperty.None, session, new ContextBag());
await session.CompleteAsync();
// second session
var session2 = new InMemorySynchronizedStorageSession();
var ctx = new ContextBag();
var saga = await persister.Get<SagaWithoutUniquePropertyData>(id, session2, ctx);
saga.NonUniqueString = "asdfasdf";
await persister.Update(saga, session2, ctx);
await session2.CompleteAsync();
var result = await persister.Get<SagaWithoutUniquePropertyData>(sagaData.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.That(result, Is.Not.Null);
Assert.That(result.NonUniqueString, Is.EqualTo("asdfasdf"));
}
public async Task Save_fails_when_data_changes_between_read_and_update_on_same_thread()
{
var sagaId = Guid.NewGuid();
var saga = new TestSagaData
{
Id = sagaId,
SomeId = sagaId.ToString()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata<TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var winningContext = new ContextBag();
var record = await persister.Get<TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), winningContext);
var losingContext = new ContextBag();
var staleRecord = await persister.Get<TestSagaData>("SomeId", sagaId.ToString(), new InMemorySynchronizedStorageSession(), losingContext);
var winningSaveSession = new InMemorySynchronizedStorageSession();
var losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(record, winningSaveSession, winningContext);
await persister.Update(staleRecord, losingSaveSession, losingContext);
await winningSaveSession.CompleteAsync();
Assert.That(async () => await losingSaveSession.CompleteAsync(), Throws.InstanceOf<Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var saga2 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
saga1 = inMemorySagaPersister.Get <SagaWithUniqueProperty>(saga1.Id);
saga1.UniqueString = "whatever2";
inMemorySagaPersister.Update(saga1);
inMemorySagaPersister.Save(saga2);
}
public void It_should_enforce_uniqueness_even_for_two_unique_properties()
{
var saga1 = new SagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 5
};
var saga2 = new SagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever1", UniqueInt = 3
};
var saga3 = new SagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever3", UniqueInt = 3
};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
Assert.Throws <InvalidOperationException>(() => inMemorySagaPersister.Save(saga3));
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 5
};
var saga2 = new AnotherSagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 5
};
var saga3 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
inMemorySagaPersister.Save(saga3);
}
public void Save_fails_when_data_changes_between_read_and_update()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga {
Id = Guid.NewGuid()
};
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task <TestSaga> .Factory.StartNew(() => inMemorySagaPersister.Get <TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get <TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
var exception = Assert.Throws <Exception>(() => inMemorySagaPersister.Save(returnedSaga2));
Assert.IsTrue(exception.Message.StartsWith(string.Format("InMemorySagaPersister concurrency violation: saga entity Id[{0}] already saved by [Worker.", saga.Id)));
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var saga2 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var inMemorySagaPersister = new InMemorySagaPersister();
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Complete(saga1);
inMemorySagaPersister.Save(saga2);
inMemorySagaPersister.Complete(saga2);
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Complete(saga1);
}
public void Save_process_is_repeatable()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga { Id = Guid.NewGuid() };
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task<TestSaga>.Factory.StartNew(() => inMemorySagaPersister.Get<TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get<TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
Assert.Throws<ConcurrencyException>(() => inMemorySagaPersister.Save(returnedSaga2));
var returnedSaga3 = Task<TestSaga>.Factory.StartNew(() => inMemorySagaPersister.Get<TestSaga>("Id", saga.Id)).Result;
var returnedSaga4 = inMemorySagaPersister.Get<TestSaga>(saga.Id);
inMemorySagaPersister.Save(returnedSaga4);
Assert.Throws<ConcurrencyException>(() => inMemorySagaPersister.Save(returnedSaga3));
}
async Task SaveSaga(SagaWithUniquePropertyData saga)
{
using (var session = new InMemorySynchronizedStorageSession())
{
var ctx = new ContextBag();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga), session, ctx);
await session.CompleteAsync();
}
}
public void Should_delete_the_saga()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new SagaWithUniqueProperty { Id = Guid.NewGuid(), UniqueString = "whatever" };
inMemorySagaPersister.Save(saga);
Assert.NotNull(inMemorySagaPersister.Get<SagaWithUniqueProperty>(saga.Id));
inMemorySagaPersister.Complete(saga);
Assert.Null(inMemorySagaPersister.Get<SagaWithUniqueProperty>(saga.Id));
}
public void Should_delete_the_saga()
{
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
var saga = new TestSaga { Id = Guid.NewGuid() };
inMemorySagaPersister.Save(saga);
Assert.NotNull(inMemorySagaPersister.Get<TestSaga>(saga.Id));
inMemorySagaPersister.Complete(saga);
Assert.Null(inMemorySagaPersister.Get<TestSaga>(saga.Id));
}
public async Task It_should_persist_successfully()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var saga2 = new AnotherSagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var transaction = new InMemorySynchronizedStorageSession();
await persister.Save(saga1, SagaMetadataHelper.GetMetadata<SagaWithUniqueProperty>(saga1), transaction, new ContextBag());
await persister.Save(saga2, SagaMetadataHelper.GetMetadata<AnotherSagaTwoUniqueProperty>(saga2), transaction, new ContextBag());
await transaction.CompleteAsync();
}
public async Task It_should_persist_successfully()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var saga2 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
using (var session1 = new InMemorySynchronizedStorageSession())
{
await persister.Save(saga1, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga1), session1, new ContextBag());
await persister.Complete(saga1, session1, new ContextBag());
await session1.CompleteAsync();
}
using (var session2 = new InMemorySynchronizedStorageSession())
{
await persister.Save(saga2, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga2), session2, new ContextBag());
await persister.Complete(saga2, session2, new ContextBag());
await session2.CompleteAsync();
}
using (var session3 = new InMemorySynchronizedStorageSession())
{
await persister.Save(saga1, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga1), session3, new ContextBag());
await persister.Complete(saga1, session3, new ContextBag());
await session3.CompleteAsync();
}
}
public void It_should_persist_successfully()
{
var saga1 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever1"
};
var saga2 = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
Assert.Throws <InvalidOperationException>(() =>
{
var saga = inMemorySagaPersister.Get <SagaWithUniqueProperty>(saga2.Id);
saga.UniqueString = "whatever1";
inMemorySagaPersister.Update(saga);
});
}
public void It_should_persist_successfully_for_two_unique_properties()
{
var saga1 = new SagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever1", UniqueInt = 5
};
var saga2 = new SagaWithTwoUniqueProperties {
Id = Guid.NewGuid(), UniqueString = "whatever", UniqueInt = 37
};
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
inMemorySagaPersister.Save(saga1);
inMemorySagaPersister.Save(saga2);
Assert.Throws <InvalidOperationException>(() =>
{
var saga = inMemorySagaPersister.Get <SagaWithTwoUniqueProperties>(saga2.Id);
saga.UniqueInt = 5;
inMemorySagaPersister.Update(saga);
});
}
public async Task It_should_persist_successfully()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var saga2 = new AnotherSagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var transaction = new InMemorySynchronizedStorageSession();
await persister.Save(saga1, SagaMetadataHelper.GetMetadata <SagaWithUniqueProperty>(saga1), transaction, new ContextBag());
await persister.Save(saga2, SagaMetadataHelper.GetMetadata <AnotherSagaTwoUniqueProperty>(saga2), transaction, new ContextBag());
await transaction.CompleteAsync();
}
public void Save_process_is_repeatable()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga { Id = Guid.NewGuid() };
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task<TestSaga>.Factory.StartNew(() => inMemorySagaPersister.Get<TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get<TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
var exceptionFromSaga2 = Assert.Throws<Exception>(() => inMemorySagaPersister.Save(returnedSaga2));
Assert.IsTrue(exceptionFromSaga2.Message.StartsWith(string.Format("InMemorySagaPersister concurrency violation: saga entity Id[{0}] already saved by [Worker.", saga.Id)));
var returnedSaga3 = Task<TestSaga>.Factory.StartNew(() => inMemorySagaPersister.Get<TestSaga>("Id", saga.Id)).Result;
var returnedSaga4 = inMemorySagaPersister.Get<TestSaga>(saga.Id);
inMemorySagaPersister.Save(returnedSaga4);
var exceptionFromSaga3 = Assert.Throws<Exception>(() => inMemorySagaPersister.Save(returnedSaga3));
Assert.IsTrue(exceptionFromSaga3.Message.StartsWith(string.Format("InMemorySagaPersister concurrency violation: saga entity Id[{0}] already saved by [Worker.", saga.Id)));
}
public void Persister_returns_different_instance_of_saga_data()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga { Id = Guid.NewGuid() };
inMemorySagaPersister.Save(saga);
var returnedSaga1 = inMemorySagaPersister.Get<TestSaga>(saga.Id);
var returnedSaga2 = inMemorySagaPersister.Get<TestSaga>("Id", saga.Id);
Assert.AreNotSame(returnedSaga2, returnedSaga1);
Assert.AreNotSame(returnedSaga1, saga);
Assert.AreNotSame(returnedSaga2, saga);
}
public void Should_delete_the_saga()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new SagaWithUniqueProperty {
Id = Guid.NewGuid(), UniqueString = "whatever"
};
inMemorySagaPersister.Save(saga);
Assert.NotNull(inMemorySagaPersister.Get <SagaWithUniqueProperty>(saga.Id));
inMemorySagaPersister.Complete(saga);
Assert.Null(inMemorySagaPersister.Get <SagaWithUniqueProperty>(saga.Id));
}
public void Should_delete_the_saga()
{
var inMemorySagaPersister = new InMemorySagaPersister() as ISagaPersister;
var saga = new TestSaga {
Id = Guid.NewGuid()
};
inMemorySagaPersister.Save(saga);
Assert.NotNull(inMemorySagaPersister.Get <TestSaga>(saga.Id));
inMemorySagaPersister.Complete(saga);
Assert.Null(inMemorySagaPersister.Get <TestSaga>(saga.Id));
}
public async Task Save_fails_when_data_changes_between_concurrent_instances()
{
var saga = new TestSagaData
{
Id = Guid.NewGuid()
};
var persister = new InMemorySagaPersister();
var storageAdapter = new InMemoryTransactionalSynchronizedStorageAdapter();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
Assert.That(async() =>
{
using (var tx = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
Transaction.Current.EnlistDurable(EnlistmentWhichEnforcesDtcEscalation.Id, new EnlistmentWhichEnforcesDtcEscalation(), EnlistmentOptions.None);
var transportTransaction = new TransportTransaction();
transportTransaction.Set(Transaction.Current);
var unenlistedSession = new InMemorySynchronizedStorageSession();
var enlistedSession = await storageAdapter.TryAdapt(transportTransaction, new ContextBag());
var unenlistedRecord = await persister.Get <TestSagaData>(saga.Id, unenlistedSession, new ContextBag());
var enlistedRecord = await persister.Get <TestSagaData>("Id", saga.Id, enlistedSession, new ContextBag());
await persister.Save(unenlistedRecord, SagaMetadataHelper.GetMetadata <TestSaga>(saga), unenlistedSession, new ContextBag());
await persister.Save(enlistedRecord, SagaMetadataHelper.GetMetadata <TestSaga>(saga), enlistedSession, new ContextBag());
await unenlistedSession.CompleteAsync();
tx.Complete();
}
}, Throws.Exception.TypeOf <TransactionAbortedException>());
}
public void Should_return_default_when_using_finding_saga_with_id_of_another_type()
{
var p = new InMemorySagaPersister() as ISagaPersister;
var id = Guid.NewGuid();
var simpleSagaEntity = new SimpleSageEntity()
{
Id = id,
OrderSource = "CA"
};
p.Save(simpleSagaEntity);
var anotherSagaEntity = p.Get<AnotherSimpleSageEntity>(id);
Assert.AreSame(anotherSagaEntity, default(AnotherSimpleSageEntity));
}
public void Save_process_is_repeatable()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga {
Id = Guid.NewGuid()
};
inMemorySagaPersister.Save(saga);
var returnedSaga1 = Task <TestSaga> .Factory.StartNew(() => inMemorySagaPersister.Get <TestSaga>(saga.Id)).Result;
var returnedSaga2 = inMemorySagaPersister.Get <TestSaga>("Id", saga.Id);
inMemorySagaPersister.Save(returnedSaga1);
Assert.Throws <ConcurrencyException>(() => inMemorySagaPersister.Save(returnedSaga2));
var returnedSaga3 = Task <TestSaga> .Factory.StartNew(() => inMemorySagaPersister.Get <TestSaga>("Id", saga.Id)).Result;
var returnedSaga4 = inMemorySagaPersister.Get <TestSaga>(saga.Id);
inMemorySagaPersister.Save(returnedSaga4);
Assert.Throws <ConcurrencyException>(() => inMemorySagaPersister.Save(returnedSaga3));
}
public async Task Should_return_default_when_using_finding_saga_with_id_of_another_type()
{
var id = Guid.NewGuid();
var simpleSagaEntity = new SimpleSagaEntity
{
Id = id,
OrderSource = "CA"
};
var persister = new InMemorySagaPersister();
var session = new InMemorySynchronizedStorageSession();
await persister.Save(simpleSagaEntity, SagaMetadataHelper.GetMetadata<SimpleSagaEntitySaga>(simpleSagaEntity), session, new ContextBag());
await session.CompleteAsync();
var anotherSagaEntity = await persister.Get<AnotherSimpleSagaEntity>(id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.IsNull(anotherSagaEntity);
}
public async Task It_should_enforce_uniqueness()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var saga2 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var winningSession = new InMemorySynchronizedStorageSession();
var losingSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga1, SagaMetadataHelper.GetMetadata<SagaWithUniqueProperty>(saga1), winningSession, new ContextBag());
await persister.Save(saga2, SagaMetadataHelper.GetMetadata<SagaWithUniqueProperty>(saga1), losingSession, new ContextBag());
await winningSession.CompleteAsync();
Assert.That(async () => await losingSession.CompleteAsync(), Throws.InstanceOf<InvalidOperationException>());
}
public async Task Save_process_is_repeatable()
{
var sagaId = Guid.NewGuid();
var saga = new TestSagaData
{
Id = sagaId,
SomeId = sagaId.ToString()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var winningSessionContext = new ContextBag();
var returnedSaga1 = await Task.Run(() => persister.Get <TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), winningSessionContext));
var losingSessionContext = new ContextBag();
var returnedSaga2 = await persister.Get <TestSagaData>("SomeId", sagaId.ToString(), new InMemorySynchronizedStorageSession(), losingSessionContext);
var winningSaveSession = new InMemorySynchronizedStorageSession();
var losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(returnedSaga1, winningSaveSession, winningSessionContext);
await persister.Update(returnedSaga2, losingSaveSession, losingSessionContext);
await winningSaveSession.CompleteAsync();
Assert.That(async() => await losingSaveSession.CompleteAsync(), Throws.InstanceOf <Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
losingSessionContext = new ContextBag();
var returnedSaga3 = await Task.Run(() => persister.Get <TestSagaData>("SomeId", sagaId.ToString(), new InMemorySynchronizedStorageSession(), losingSessionContext));
winningSessionContext = new ContextBag();
var returnedSaga4 = await persister.Get <TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), winningSessionContext);
winningSaveSession = new InMemorySynchronizedStorageSession();
losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(returnedSaga4, winningSaveSession, winningSessionContext);
await persister.Update(returnedSaga3, losingSaveSession, losingSessionContext);
await winningSaveSession.CompleteAsync();
Assert.That(async() => await losingSaveSession.CompleteAsync(), Throws.InstanceOf <Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
}
public void Should_return_default_when_using_finding_saga_with_id_of_another_type()
{
var p = new InMemorySagaPersister() as ISagaPersister;
var id = Guid.NewGuid();
var simpleSagaEntity = new SimpleSageEntity()
{
Id = id,
OrderSource = "CA"
};
p.Save(simpleSagaEntity);
var anotherSagaEntity = p.Get <AnotherSimpleSageEntity>(id);
Assert.AreSame(anotherSagaEntity, default(AnotherSimpleSageEntity));
}
public void Persister_returns_different_instance_of_saga_data()
{
var inMemorySagaPersister = new InMemorySagaPersister();
var saga = new TestSaga {
Id = Guid.NewGuid()
};
inMemorySagaPersister.Save(saga);
var returnedSaga1 = inMemorySagaPersister.Get <TestSaga>(saga.Id);
var returnedSaga2 = inMemorySagaPersister.Get <TestSaga>("Id", saga.Id);
Assert.AreNotSame(returnedSaga2, returnedSaga1);
Assert.AreNotSame(returnedSaga1, saga);
Assert.AreNotSame(returnedSaga2, saga);
}
public async Task Persister_returns_different_instance_of_saga_data()
{
var saga = new TestSagaData
{
Id = Guid.NewGuid()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata<TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var returnedSaga1 = await persister.Get<TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
var returnedSaga2 = await persister.Get<TestSagaData>("Id", saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.AreNotSame(returnedSaga2, returnedSaga1);
Assert.AreNotSame(returnedSaga1, saga);
Assert.AreNotSame(returnedSaga2, saga);
}
public async Task Should_return_default_when_using_finding_saga_with_id_of_another_type()
{
var id = Guid.NewGuid();
var simpleSagaEntity = new SimpleSagaEntity
{
Id = id,
OrderSource = "CA"
};
var persister = new InMemorySagaPersister();
var session = new InMemorySynchronizedStorageSession();
await persister.Save(simpleSagaEntity, SagaMetadataHelper.GetMetadata <SimpleSagaEntitySaga>(simpleSagaEntity), session, new ContextBag());
await session.CompleteAsync();
var anotherSagaEntity = await persister.Get <AnotherSimpleSagaEntity>(id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.IsNull(anotherSagaEntity);
}
public async Task Persister_returns_different_instance_of_saga_data()
{
var saga = new TestSagaData
{
Id = Guid.NewGuid()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata <TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var returnedSaga1 = await persister.Get <TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
var returnedSaga2 = await persister.Get <TestSagaData>("Id", saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.AreNotSame(returnedSaga2, returnedSaga1);
Assert.AreNotSame(returnedSaga1, saga);
Assert.AreNotSame(returnedSaga2, saga);
}
public async Task It_should_persist_successfully()
{
var saga1 = new SagaWithUniquePropertyData
{
Id = Guid.NewGuid(),
UniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga1, SagaMetadataHelper.GetMetadata<SagaWithUniqueProperty>(saga1), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var updatingContext = new ContextBag();
saga1 = await persister.Get<SagaWithUniquePropertyData>(saga1.Id, new InMemorySynchronizedStorageSession(), updatingContext);
var updateSession = new InMemorySynchronizedStorageSession();
await persister.Update(saga1, updateSession, updatingContext);
await updateSession.CompleteAsync();
}
public async Task Save_fails_when_data_changes_between_concurrent_instances()
{
var saga = new TestSagaData
{
Id = Guid.NewGuid()
};
var persister = new InMemorySagaPersister();
var storageAdapter = new InMemoryTransactionalSynchronizedStorageAdapter();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata<TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
Assert.That(async () =>
{
using (var tx = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
Transaction.Current.EnlistDurable(EnlistmentWhichEnforcesDtcEscalation.Id, new EnlistmentWhichEnforcesDtcEscalation(), EnlistmentOptions.None);
var transportTransaction = new TransportTransaction();
transportTransaction.Set(Transaction.Current);
var unenlistedSession = new InMemorySynchronizedStorageSession();
var enlistedSession = await storageAdapter.TryAdapt(transportTransaction, new ContextBag());
var unenlistedSessionContext = new ContextBag();
var unenlistedRecord = await persister.Get<TestSagaData>(saga.Id, unenlistedSession, unenlistedSessionContext);
var enlistedSessionContext = new ContextBag();
var enlistedRecord = await persister.Get<TestSagaData>("Id", saga.Id, enlistedSession, enlistedSessionContext);
await persister.Update(unenlistedRecord, unenlistedSession, unenlistedSessionContext);
await persister.Update(enlistedRecord, enlistedSession, enlistedSessionContext);
await unenlistedSession.CompleteAsync();
tx.Complete();
}
}, Throws.Exception.TypeOf<TransactionAbortedException>());
}
public async Task It_should_persist_successfully()
{
var sagaData = new SagaWithoutUniquePropertyData
{
Id = Guid.NewGuid(),
NonUniqueString = "whatever"
};
var persister = new InMemorySagaPersister();
using (var session = new InMemorySynchronizedStorageSession())
{
await persister.Save(sagaData, null, session, new ContextBag());
await session.CompleteAsync();
}
using (var session = new InMemorySynchronizedStorageSession())
{
var retrieved = await persister.Get<SagaWithoutUniquePropertyData>(sagaData.Id, session, new ContextBag());
Assert.AreEqual(sagaData.NonUniqueString, retrieved.NonUniqueString);
}
}
public async Task Should_delete_the_saga()
{
var saga = new SagaWithUniquePropertyData { Id = Guid.NewGuid(), UniqueString = "whatever" };
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga,SagaMetadataHelper.GetMetadata<SagaWithUniqueProperty>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var intentionallySharedContext = new ContextBag();
var sagaData = await persister.Get<SagaWithUniquePropertyData>(saga.Id, new InMemorySynchronizedStorageSession(), intentionallySharedContext );
var completeSession = new InMemorySynchronizedStorageSession();
await persister.Complete(saga, completeSession, intentionallySharedContext );
await completeSession.CompleteAsync();
var completedSagaData = await persister.Get<SagaWithUniquePropertyData>(saga.Id, new InMemorySynchronizedStorageSession(), new ContextBag());
Assert.NotNull(sagaData);
Assert.Null(completedSagaData);
}
public async Task Save_fails_when_writing_same_data_twice()
{
var saga = new TestSagaData
{
Id = Guid.NewGuid()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata<TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var retrievingContext = new ContextBag();
var returnedSaga1 = await persister.Get<TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), retrievingContext);
var winningSaveSession = new InMemorySynchronizedStorageSession();
var losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(returnedSaga1, winningSaveSession, retrievingContext);
await persister.Update(returnedSaga1, losingSaveSession, retrievingContext);
await winningSaveSession.CompleteAsync();
Assert.That(async () => await losingSaveSession.CompleteAsync(), Throws.InstanceOf<Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
}
public async Task Save_process_is_repeatable()
{
var sagaId = Guid.NewGuid();
var saga = new TestSagaData
{
Id = sagaId,
SomeId = sagaId.ToString()
};
var persister = new InMemorySagaPersister();
var insertSession = new InMemorySynchronizedStorageSession();
await persister.Save(saga, SagaMetadataHelper.GetMetadata<TestSaga>(saga), insertSession, new ContextBag());
await insertSession.CompleteAsync();
var winningSessionContext = new ContextBag();
var returnedSaga1 = await Task.Run(() => persister.Get<TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), winningSessionContext));
var losingSessionContext = new ContextBag();
var returnedSaga2 = await persister.Get<TestSagaData>("SomeId", sagaId.ToString(), new InMemorySynchronizedStorageSession(), losingSessionContext);
var winningSaveSession = new InMemorySynchronizedStorageSession();
var losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(returnedSaga1, winningSaveSession, winningSessionContext);
await persister.Update(returnedSaga2, losingSaveSession, losingSessionContext);
await winningSaveSession.CompleteAsync();
Assert.That(async () => await losingSaveSession.CompleteAsync(), Throws.InstanceOf<Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
losingSessionContext = new ContextBag();
var returnedSaga3 = await Task.Run(() => persister.Get<TestSagaData>("SomeId", sagaId.ToString(), new InMemorySynchronizedStorageSession(), losingSessionContext));
winningSessionContext = new ContextBag();
var returnedSaga4 = await persister.Get<TestSagaData>(saga.Id, new InMemorySynchronizedStorageSession(), winningSessionContext);
winningSaveSession = new InMemorySynchronizedStorageSession();
losingSaveSession = new InMemorySynchronizedStorageSession();
await persister.Update(returnedSaga4, winningSaveSession, winningSessionContext);
await persister.Update(returnedSaga3, losingSaveSession, losingSessionContext);
await winningSaveSession.CompleteAsync();
Assert.That(async () => await losingSaveSession.CompleteAsync(), Throws.InstanceOf<Exception>().And.Message.StartsWith($"InMemorySagaPersister concurrency violation: saga entity Id[{saga.Id}] already saved."));
}