public void TestProjection()
{
var eventStore = new InMemEventStore(null) as IEventStore;
var poopProjection = new PoopProjection();
eventStore.Projections.Add(poopProjection);
var snoopy = new DogAggregate(Guid.NewGuid(), "Snoopy");
snoopy.Poop(200);
snoopy.Poop(700);
snoopy.Poop(50);
eventStore.Aggregates.Store(snoopy);
var pluto = new DogAggregate(Guid.NewGuid(), "Pluto");
pluto.Poop(2000);
pluto.Poop(100);
eventStore.Aggregates.Store(pluto);
poopProjection.PoopReport.Count.Should().Be(2);
poopProjection.PoopReport.Find(p => p.DogName == "Snoopy").PoopTotal.Should().Be(950);
poopProjection.PoopReport.Find(p => p.DogName == "Pluto").PoopTotal.Should().Be(2100);
}
public void TestProjection()
{
if (_connectionString == null)
{
return;
}
var eventStore = new PostgresEventStore(null, _connectionString, "TestProjection", true) as IEventStore;
var poopProjection = new PoopProjection();
eventStore.Projections.Add(poopProjection);
var snoopy = new DogAggregate(Guid.NewGuid(), "Snoopy");
snoopy.Poop(200);
snoopy.Poop(700);
snoopy.Poop(50);
eventStore.Aggregates.Store(snoopy);
var pluto = new DogAggregate(Guid.NewGuid(), "Pluto");
pluto.Poop(2000);
pluto.Poop(100);
eventStore.Aggregates.Store(pluto);
poopProjection.PoopReport.Count.Should().Be(2);
poopProjection.PoopReport.Find(p => p.DogName == "Snoopy").PoopTotal.Should().Be(950);
poopProjection.PoopReport.Find(p => p.DogName == "Pluto").PoopTotal.Should().Be(2100);
}
public void TestCatchup()
{
if (_connectionString == null)
{
return;
}
var eventStore = new PostgresEventStore(null, _connectionString, "TestProjection", true) as IEventStore;
var poopProjection = new PoopProjection();
eventStore.Projections.Add(poopProjection);
var snoopyId = Guid.NewGuid();
var snoopy = new DogAggregate(snoopyId, "Snoopy");
snoopy.Poop(100);
snoopy.Poop(100);
snoopy.Poop(100);
eventStore.Aggregates.Store(snoopy);
((PostgresEventStore)eventStore).NumberOfInlineEventsNotCatchedUp.Should().Be(4);
poopProjection.PoopReport.First().PoopTotal.Should().Be(300);
// Open new event store and dehydrate events
var eventStore2 = new PostgresEventStore(null, _connectionString, "TestProjection", false) as IEventStore;
var poopProjection2 = new PoopProjection();
eventStore2.Projections.Add(poopProjection2);
eventStore2.DehydrateProjections();
((PostgresEventStore)eventStore2).NumberOfInlineEventsNotCatchedUp.Should().Be(0);
poopProjection2.PoopReport.Count.Should().Be(1);
var snoopy2 = eventStore.Aggregates.Load <DogAggregate>(snoopyId);
snoopy2.Poop(100);
eventStore2.Aggregates.Store(snoopy2);
poopProjection2.PoopReport.First().PoopTotal.Should().Be(400);
((PostgresEventStore)eventStore2).NumberOfInlineEventsNotCatchedUp.Should().Be(1);
// Check that after catchup the projection is still the same and inline event list is cleaned up
eventStore2.CatchUp();
poopProjection2.PoopReport.First().PoopTotal.Should().Be(400);
((PostgresEventStore)eventStore2).NumberOfInlineEventsNotCatchedUp.Should().Be(0);
}
public void TestProjectionLookupThroughIEventStore()
{
// Setup
var poopProjection = _eventStore.Projections.Get <PoopProjection>();
// Act
var snoopy = new DogAggregate(Guid.NewGuid(), "Pluto");
snoopy.Poop(500);
_eventStore.Aggregates.Store(snoopy);
// Assert
poopProjection.PoopReport.Find(d => d.DogName == "Pluto").PoopTotal.Should().Be(500);
}
public void TestThatProjectionAreAutomaticallyPickedUpInIoCByEventStore()
{
// Setup
var poopProjection = _serviceProvider.GetServices <IProjection>().First(p => p is PoopProjection) as PoopProjection;
// Act
var snoopy = new DogAggregate(Guid.NewGuid(), "Snoopy");
snoopy.Poop(200);
_eventStore.Aggregates.Store(snoopy);
// Assert
poopProjection.PoopReport.Find(d => d.DogName == "Snoopy").PoopTotal.Should().Be(200);
}
public void TestDehydrateProjections()
{
if (_connectionString == null)
{
return;
}
// Create events store, put some events in
var eventStore = new PostgresEventStore(null, _connectionString, "TestDehydrateProjections", true) as IEventStore;
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < 1000; i++)
{
var dog = new DogAggregate(Guid.NewGuid(), "Dog name");
dog.Poop(2000);
dog.Poop(1030);
dog.Poop(1020);
dog.Poop(1100);
dog.Bark(1020);
dog.Bark(1040);
dog.Poop(1200);
dog.Poop(1300);
dog.Bark(1040);
dog.Poop(1200);
eventStore.Aggregates.Store(dog);
}
sw.Stop();
System.Diagnostics.Debug.WriteLine("Create 10000 events took: " + (sw.ElapsedMilliseconds) + " milliseconds");
// Create new instance of event store and dehydrate into in-memory projection
var eventStore2 = new PostgresEventStore(null, _connectionString, "TestDehydrateProjections") as IEventStore;
var poopProjection = new PoopProjection();
eventStore.Projections.Add(poopProjection);
sw.Restart();
eventStore.DehydrateProjections();
sw.Stop();
System.Diagnostics.Debug.WriteLine("Dehydrate 10000 events took: " + (sw.ElapsedMilliseconds) + " milliseconds");
poopProjection.PoopReport.Count.Should().Be(1000);
}
public void TestAggregateHydrationAndDehydration()
{
var eventStore = new InMemEventStore(null) as IEventStore;
var aggregateBeforeHydration = new DogAggregate(Guid.NewGuid(), "Snoopy");
aggregateBeforeHydration.Bark(100);
aggregateBeforeHydration.Poop(1500);
eventStore.Aggregates.Store(aggregateBeforeHydration);
var dehydratedAggregate = eventStore.Aggregates.Load <DogAggregate>(aggregateBeforeHydration.Id);
dehydratedAggregate.Should().BeEquivalentTo(aggregateBeforeHydration);
}
public void TestAggregateHydrationAndDehydration()
{
if (_connectionString == null)
{
return;
}
var eventStore = new PostgresEventStore(null, _connectionString, "TestAggregateHydrationAndDehydration", true) as IEventStore;
var aggregateBeforeHydration = new DogAggregate(Guid.NewGuid(), "Snoopy");
aggregateBeforeHydration.Bark(100);
aggregateBeforeHydration.Poop(1500);
eventStore.Aggregates.Store(aggregateBeforeHydration);
var dehydratedAggregate = eventStore.Aggregates.Load <DogAggregate>(aggregateBeforeHydration.Id);
dehydratedAggregate.Should().BeEquivalentTo(aggregateBeforeHydration);
}
