public InMemoryStores(ProjectionRebuilder projectionRebuilder = null)
{
_eventStore = new InMemoryEventStore(_events);
_snapshotStore = new InMemorySnapshotStore(_eventStore, _snapshots);
_projectionRebuilder = projectionRebuilder;
}
public async Task Should_update_specific_projections()
{
// Arrange
var activeUser = new User(Guid.NewGuid(), "Bryan", "Cranston", new DateTime(1956, 3, 7));
activeUser.ChangeFirstName("Walter");
activeUser.ChangeLastName("White");
activeUser.ChangeFirstName("Walt");
activeUser.ChangeLastName("Heisenberg");
var strategy = new MongoProjectionStrategy();
var documentStore = new MongoProjectionStore(strategy, _fixture.Database);
var allUserProjection = new AllUserProjections(documentStore);
var onlyActiveUserProjection = new OnlyActiveUserProjections(documentStore);
var projectionProcessor = new ProjectionRebuilder(documentStore, new object[] { allUserProjection, onlyActiveUserProjection });
var eventStreamReader = new MongoEventStreamReader(_fixture.Database);
var stores = new MongoStores(_fixture.Database, projectionProcessor, eventStreamReader);
var session = SessionHelper.Create(stores, stores);
await session.AddAsync(activeUser).ConfigureAwait(false);
await session.SaveChangesAsync().ConfigureAwait(false);
var reader1 = documentStore.GetReader <Guid, AllUserView>();
reader1.TryGet(activeUser.Id, out AllUserView view1).Should().BeTrue();
if (view1 != null)
{
view1.Id.Should().Be(activeUser.Id);
view1.BirthMonth.Should().Be(3);
view1.BirthYear.Should().Be(1956);
view1.Fullname.Should().Be("Heisenberg, Walt");
view1.DeactivatedAt.Should().BeNull();
view1.Lifetime.Should().BeNull();
}
var reader2 = documentStore.GetReader <Guid, ActiveUserView>();
reader2.TryGet(activeUser.Id, out ActiveUserView view2).Should().BeTrue();
if (view2 != null)
{
view2.Id.Should().Be(activeUser.Id);
}
}
public async Task Should_project_one_view()
{
// Arrange
var userId = Guid.NewGuid();
var source = new IDomainEvent[]
{
new UserCreated(userId, DateTime.Now, "Bryan", "Cranston", new DateTime(1956, 3, 7)),
new UserFirstNameChanged(userId, "Walter"),
new UserLastNameChanged(userId, "White"),
new UserFirstNameChanged(userId, "Walt"),
new UserLastNameChanged(userId, "Heisenberg")
};
var eventStreamReader = new StubEventStreamReader(source);
var strategy = new NewtonsoftJsonProjectionStrategy();
var store = new ConcurrentDictionary <string, ConcurrentDictionary <string, byte[]> >();
var documentStore = new MemoryProjectionStore(strategy, store);
var reader = documentStore.GetReader <Guid, AllUserView>();
var allUserProjection = new AllUserProjections(documentStore);
// Act
var projectionProcessor = new ProjectionRebuilder(documentStore, new object[] { allUserProjection });
await projectionProcessor.RebuildAsync(eventStreamReader).ConfigureAwait(false);
// Assert
store.Count.Should().Be(1);
reader.TryGet(userId, out AllUserView view1).Should().BeTrue();
if (view1 != null)
{
view1.Id.Should().Be(userId);
view1.BirthMonth.Should().Be(3);
view1.BirthYear.Should().Be(1956);
view1.Fullname.Should().Be("Heisenberg, Walt");
view1.DeactivatedAt.Should().BeNull();
view1.Lifetime.Should().BeNull();
}
}
public async Task Should_project_multiples_views()
{
// Arrange
var activeUser = new User(Guid.NewGuid(), "Bryan", "Cranston", new DateTime(1956, 3, 7));
activeUser.ChangeFirstName("Walter");
activeUser.ChangeLastName("White");
activeUser.ChangeFirstName("Walt");
activeUser.ChangeLastName("Heisenberg");
var inactiveUser = new User(Guid.NewGuid(), "Aaron Paul", "Sturtevant", new DateTime(1979, 8, 27));
inactiveUser.ChangeLastName("Bruce Pinkman");
inactiveUser.ChangeFirstName("Jesse");
inactiveUser.Deactivate();
var stores = new MongoStores(_fixture.Database);
var session = SessionHelper.Create(stores, stores);
await session.AddAsync(activeUser).ConfigureAwait(false);
await session.AddAsync(inactiveUser).ConfigureAwait(false);
await session.SaveChangesAsync().ConfigureAwait(false);
var eventStreamReader = new MongoEventStreamReader(_fixture.Database);
var strategy = new MongoProjectionStrategy();
var documentStore = new MongoProjectionStore(strategy, _fixture.Database);
var allUserProjection = new AllUserProjections(documentStore);
var onlyActiveUserProjection = new OnlyActiveUserProjections(documentStore);
// Act
var projectionProcessor = new ProjectionRebuilder(documentStore, new object[] { allUserProjection, onlyActiveUserProjection });
await projectionProcessor.RebuildAsync(eventStreamReader).ConfigureAwait(false);
// Assert
var tempCollection = _fixture.Database.GetCollection <BsonDocument>(_fixture.Settings.TempProjectionsCollectionName);
var collection = _fixture.Database.GetCollection <BsonDocument>(_fixture.Settings.ProjectionsCollectionName);
var filterBuilder = new FilterDefinitionBuilder <BsonDocument>();
var filter = filterBuilder.In("_t", new[] { nameof(AllUserView), nameof(ActiveUserView) });
tempCollection.Count(filter).Should().Be(3);
collection.Count(filter).Should().Be(3);
var reader1 = documentStore.GetReader <Guid, AllUserView>();
reader1.TryGet(activeUser.Id, out AllUserView view1).Should().BeTrue();
if (view1 != null)
{
view1.Id.Should().Be(activeUser.Id);
view1.BirthMonth.Should().Be(3);
view1.BirthYear.Should().Be(1956);
view1.Fullname.Should().Be("Heisenberg, Walt");
view1.DeactivatedAt.Should().BeNull();
view1.Lifetime.Should().BeNull();
}
reader1.TryGet(inactiveUser.Id, out view1).Should().BeTrue();
if (view1 != null)
{
view1.Id.Should().Be(inactiveUser.Id);
view1.BirthMonth.Should().Be(8);
view1.BirthYear.Should().Be(1979);
view1.Fullname.Should().Be("Bruce Pinkman, Jesse");
view1.DeactivatedAt.Should().NotBeNull();
view1.Lifetime.Should().NotBeNull();
}
var reader2 = documentStore.GetReader <Guid, ActiveUserView>();
reader2.TryGet(activeUser.Id, out ActiveUserView view2).Should().BeTrue();
if (view2 != null)
{
view2.Id.Should().Be(activeUser.Id);
}
reader2.TryGet(inactiveUser.Id, out view2).Should().BeFalse();
}
public async Task Should_project_multiples_views()
{
// Arrange
var activeUserId = Guid.NewGuid();
var inactiveUserId = Guid.NewGuid();
var source = new IDomainEvent[]
{
new UserCreated(activeUserId, DateTime.Now, "Bryan", "Cranston", new DateTime(1956, 3, 7)),
new UserFirstNameChanged(activeUserId, "Walter"),
new UserLastNameChanged(activeUserId, "White"),
new UserFirstNameChanged(activeUserId, "Walt"),
new UserLastNameChanged(activeUserId, "Heisenberg"),
new UserCreated(inactiveUserId, DateTime.Now, "Aaron Paul", "Sturtevant", new DateTime(1979, 8, 27)),
new UserLastNameChanged(inactiveUserId, "Bruce Pinkman"),
new UserFirstNameChanged(inactiveUserId, "Jesse"),
new UserDeactivated(inactiveUserId, new DateTime(2017, 7, 4))
};
var eventStreamReader = new StubEventStreamReader(source);
var strategy = new NewtonsoftJsonProjectionStrategy();
var store = new ConcurrentDictionary <string, ConcurrentDictionary <string, byte[]> >();
var documentStore = new MemoryProjectionStore(strategy, store);
var allUserProjection = new AllUserProjections(documentStore);
var onlyActiveUserProjection = new OnlyActiveUserProjections(documentStore);
// Act
var projectionProcessor = new ProjectionRebuilder(documentStore, new object[] { allUserProjection, onlyActiveUserProjection });
await projectionProcessor.RebuildAsync(eventStreamReader).ConfigureAwait(false);
// Assert
store.Count.Should().Be(2);
var reader1 = documentStore.GetReader <Guid, AllUserView>();
reader1.TryGet(activeUserId, out AllUserView view1).Should().BeTrue();
if (view1 != null)
{
view1.Id.Should().Be(activeUserId);
view1.BirthMonth.Should().Be(3);
view1.BirthYear.Should().Be(1956);
view1.Fullname.Should().Be("Heisenberg, Walt");
view1.DeactivatedAt.Should().BeNull();
view1.Lifetime.Should().BeNull();
}
reader1.TryGet(inactiveUserId, out view1).Should().BeTrue();
if (view1 != null)
{
view1.Id.Should().Be(inactiveUserId);
view1.BirthMonth.Should().Be(8);
view1.BirthYear.Should().Be(1979);
view1.Fullname.Should().Be("Bruce Pinkman, Jesse");
view1.DeactivatedAt.Should().Be(new DateTime(2017, 7, 4));
view1.Lifetime.Should().NotBeNull();
}
var reader2 = documentStore.GetReader <Guid, ActiveUserView>();
reader2.TryGet(activeUserId, out ActiveUserView view2).Should().BeTrue();
if (view2 != null)
{
view2.Id.Should().Be(activeUserId);
}
reader2.TryGet(inactiveUserId, out view2).Should().BeFalse();
}