private async Task AppendReadingsCollectedEvents(string streamId, DateTime fromDate, int dayCount)
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
var stream = await eventStore.LoadStreamAsync(streamId);
// Only append more ReadingsCollected events if we haven't done this before.
// This can be detected by looking at the stream version.
if (stream.Version <= 3)
{
var events = Enumerable.Range(0, dayCount - 1)
.Select(i => new MeterReadingsCollected
{
Date = fromDate.AddDays(i),
Readings = GenerateMeterReadings(fromDate.AddDays(i)).ToArray()
})
.ToList();
await eventStore.AppendToStreamAsync(streamId, stream.Version, events);
// Wait a little while before adding the last one.
// This ensures that the last event will be at a different timestamp
// which is better for explaining the mechanism.
await Task.Delay(TimeSpan.FromSeconds(2));
await eventStore.AppendToStreamAsync(streamId, stream.Version + events.Count, new IEvent[]
{
new MeterReadingsCollected
{
Date = fromDate.AddDays(dayCount),
Readings = GenerateMeterReadings(fromDate.AddDays(dayCount)).ToArray()
}
});
}
}
public async Task SC02_DomainAsync()
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
// Request parameters.
var meterId = "2";
var postalCode = "111 64";
var houseNumber = "4";
var activationCode = "supersecret";
// 1. New domain object.
var meter = new Meter(meterId, postalCode, houseNumber, activationCode);
var repository = new MeterRepository(eventStore);
var succes = await repository.SaveMeterAsync(meter);
Assert.IsTrue(succes, "Unexpected stream version encountered.");
// 2. Call business logic on domain object.
meter = await repository.LoadMeterAsync(meterId);
meter.Activate(activationCode);
succes = await repository.SaveMeterAsync(meter);
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
public async Task SC03_DomainAddAsync()
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
// Request parameters.
var meterId = "87000002";
var postalCode = "9999 BB";
var houseNumber = "4";
var activationCode = "supersecret";
// New domain object.
var meter = new Meter(meterId, postalCode, houseNumber, activationCode);
var repository = new MeterRepository(eventStore);
var succes = await repository.SaveMeterAsync(meter);
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
public async Task SC04_DomainUpdateAsync()
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
// Request parameters.
var meterId = "87000002";
var activationCode = "supersecret";
// Load domain object.
var repository = new MeterRepository(eventStore);
var meter = await repository.LoadMeterAsync(meterId);
// Call business logic on domain object.
meter.Activate(activationCode);
var succes = await repository.SaveMeterAsync(meter);
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
public async Task SC02_AppendToExistingStreamAsync()
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
var streamId = $"meter:87000001";
var stream = await eventStore.LoadStreamAsync(streamId);
var readingsCollected = new MeterReadingsCollected
{
Date = DateTime.Today,
Readings = GenerateMeterReadings(DateTime.Today).ToArray()
};
var succes = await eventStore.AppendToStreamAsync(
streamId,
stream.Version,
new IEvent[] { readingsCollected });
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
public async Task SC01_StreamsAsync()
{
var eventStore = new CosmosDBEventStore(EndpointUri, AuthKey, Database);
var meterRegistered = new MeterRegistered
{
MeterId = "1",
PostalCode = "1852ER",
HouseNumber = "25",
ActivationCode = "supersecret"
};
var meterActivated = new MeterActivated();
// 1. Add a new stream.
var streamId = $"meter:{meterRegistered.MeterId}";
var succes = await eventStore.AppendToStreamAsync(
streamId,
0,
new IEvent[] { meterRegistered, meterActivated });
Assert.IsTrue(succes, "Unexpected stream version encountered.");
}
private OrderSystemRepository GetOrderSystemRepository()
{
var eventTypeResolver = new EventTypeResolver();
if (_testConfig.UseInMemoryEventStore)
{
var eventStore = new InMemoryEventStore(
eventTypeResolver,
new Dictionary <string, List <string> >());
return(new OrderSystemRepository(eventStore, null));
}
else
{
var eventStore = new CosmosDBEventStore(
eventTypeResolver,
_testConfig.EventsEndpointUri,
_testConfig.EventsAuthKey, _testConfig.EventsDatabase, _testConfig.EventContainer);
var snapshotStore = new CosmosSnapshotStore(_testConfig.SnapshotsEndpointUri,
_testConfig.SnapshotsAuthKey,
_testConfig.SnapshotsDatabase, _testConfig.SnapshotsContainer);
return(new OrderSystemRepository(eventStore, snapshotStore));
}
}
