protected async Task <ThingySnapshot> LoadSnapshotAsync(ThingyId thingyId)
{
var snapshotContainer = await SnapshotStore.LoadSnapshotAsync <ThingyAggregate, ThingyId, ThingySnapshot>(
thingyId,
CancellationToken.None)
.ConfigureAwait(false);
return((ThingySnapshot)snapshotContainer?.Snapshot);
}
public async Task Should_load_snapshot_in_snapshot_repository()
{
//Arrange
var stream = "stream";
var descriptor = new SnapshotDescriptor("aaa", "", stream, 5);
var snapshotRepository = new Mock <ISnapshotRepository>();
snapshotRepository.Setup(x => x.LoadSnapshotAsync(It.IsAny <string>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(descriptor));
var eventSerDes = new Mock <IEventStoreSerDes>();
var sut = new SnapshotStore(snapshotRepository.Object, eventSerDes.Object, Mock.Of <ILogger <SnapshotStore> >());
//Act
var snapshot = await sut.LoadSnapshotAsync(stream, It.IsAny <CancellationToken>());
//Assert
snapshotRepository.Verify(er => er.LoadSnapshotAsync(stream, It.IsAny <CancellationToken>()), Times.Once);
}
public async Task OldSnapshotsAreUpgradedToLatestVersionAndHaveCorrectMetadata()
{
// Arrange
var thingyId = A <ThingyId>();
var pingIds = Many <PingId>();
var expectedVersion = pingIds.Count;
var thingySnapshotV1 = new ThingySnapshotV1(pingIds);
await StoreSnapshotAsync(thingyId, expectedVersion, thingySnapshotV1).ConfigureAwait(false);
// Act
var snapshotContainer = await SnapshotStore.LoadSnapshotAsync <ThingyAggregate, ThingyId, ThingySnapshot>(
thingyId,
CancellationToken.None)
.ConfigureAwait(false);
// Assert
snapshotContainer.Snapshot.Should().BeOfType <ThingySnapshot>();
snapshotContainer.Metadata.AggregateId.Should().Be(thingyId.Value);
snapshotContainer.Metadata.AggregateName.Should().Be("ThingyAggregate");
snapshotContainer.Metadata.AggregateSequenceNumber.Should().Be(expectedVersion);
snapshotContainer.Metadata.SnapshotName.Should().Be("thingy");
snapshotContainer.Metadata.SnapshotVersion.Should().Be(1);
}