public async Task ShouldCreateAndGetSnapshots()
{
var snaphotRepository = new InMemorySnapshotStore <SomeDataAggregate>();
var eventFilterOne = new[] { "a", "b", "c" };
var entityA = $"{Guid.NewGuid()}";
var someDataAggregate = new SomeDataAggregate(entityA);
var snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterOne);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 0);
someDataAggregate.ApplyEvent(new SomeData(entityA, Guid.NewGuid())
{
EventNumber = 0
}, saveAsPendingEvent: false);
await snaphotRepository.Save(eventFilterOne, someDataAggregate);
snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterOne);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 1);
Assert.AreEqual(entityA, snapshots[0].EntityId);
snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterOne, 0);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 1);
Assert.AreEqual(entityA, snapshots[0].EntityId);
snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterOne, 1);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 0);
someDataAggregate.ApplyEvent(new SomeData(entityA, Guid.NewGuid())
{
EventNumber = 1
}, saveAsPendingEvent: false);
Assert.True(someDataAggregate.Version == 1);
await snaphotRepository.Save(eventFilterOne, someDataAggregate);
snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterOne, 1);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 1);
Assert.AreEqual(entityA, snapshots[0].EntityId);
}
public async Task ShouldCreateAndGetSnapshotsForSeveralStreams()
{
var snaphotRepository = new InMemorySnapshotStore <SomeDataAggregate>();
var eventFilterOne = new[] { "d", "e", "f" };
var eventFilterTwo = new[] { "g", "h", "i" };
var entityA = $"{Guid.NewGuid()}";
var entityB = $"{Guid.NewGuid()}";
var entityC = $"{Guid.NewGuid()}";
var someDataAggregateA = new SomeDataAggregate(entityA);
var someDataAggregateB = new SomeDataAggregate(entityB);
var someDataAggregateC = new SomeDataAggregate(entityC);
someDataAggregateA.ApplyEvent(new SomeData(entityA, Guid.NewGuid()), saveAsPendingEvent: false);
someDataAggregateB.ApplyEvent(new SomeData(entityB, Guid.NewGuid()), saveAsPendingEvent: false);
someDataAggregateC.ApplyEvent(new SomeData(entityC, Guid.NewGuid()), saveAsPendingEvent: false);
await snaphotRepository.Save(eventFilterOne, someDataAggregateA);
await snaphotRepository.Save(eventFilterOne, someDataAggregateB);
await snaphotRepository.Save(eventFilterTwo, someDataAggregateC);
var snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterOne);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 2);
snapshots = await snaphotRepository.GetByVersionOrLast(eventFilterTwo);
Assert.NotNull(snapshots);
Assert.True(snapshots.Length == 1);
var snapshot = await snaphotRepository.GetByVersionOrLast($"{entityA}", eventFilterTwo);
Assert.Null(snapshot);
snapshot = await snaphotRepository.GetByVersionOrLast($"{entityA}", eventFilterOne);
Assert.NotNull(snapshot);
}