public void UpdatingAnAggregateAfterPersistingMigrations()
{
var emptyMigrationsArray = new IEventMigration[0];
IReadOnlyList <IEventMigration> migrations = emptyMigrationsArray;
using (var container = CreateContainerForEventStoreType(() => migrations, EventStoreType))
{
var id = Guid.Parse("00000000-0000-0000-0000-000000000001");
container.Resolve <DummyTimeSource>().UtcNow = DateTime.Parse("2001-01-01 12:00");
var initialAggregate = TestAggregate.FromEvents(container.Resolve <IUtcTimeTimeSource>(), id, Seq.OfTypes <Ec1, E1>());
var initialHistory = initialAggregate.History;
Func <IEventStoreSession> session = () => container.Resolve <IEventStoreSession>();
Func <IEventStore> eventStore = () => container.Resolve <IEventStore>();
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Save(initialAggregate));
migrations = Seq.Create(Replace <E1> .With <E5>()).ToList();
container.ExecuteUnitOfWorkInIsolatedScope(() => eventStore().PersistMigrations());
migrations = Seq.Create <IEventMigration>().ToList();
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).RaiseEvents(new E2()));
var aggregate = container.ExecuteInIsolatedScope(() => session().Get <TestAggregate>(id));
var expected = TestAggregate.FromEvents(container.Resolve <IUtcTimeTimeSource>(), id, Seq.OfTypes <Ec1, E5, E2>()).History;
AssertStreamsAreIdentical(expected: expected, migratedHistory: aggregate.History, descriptionOfHistory: "migrated history");
var completeEventHistory = container.ExecuteInIsolatedScope(() => eventStore().ListAllEventsForTestingPurposesAbsolutelyNotUsableForARealEventStoreOfAnySize()).Cast <AggregateRootEvent>();
AssertStreamsAreIdentical(expected: expected, migratedHistory: completeEventHistory, descriptionOfHistory: "streamed persisted history");
Console.WriteLine($"Version");
Console.WriteLine("Aggregate Effective Inserted Manual");
Console.WriteLine("A E I M");
completeEventHistory.ForEach(@event => Console.WriteLine($"{@event.AggregateRootVersion} {@event.EffectiveVersion} {@event.InsertedVersion} {@event.ManualVersion}"));
ClearEventstoreCache(container);
completeEventHistory = container.ExecuteInIsolatedScope(() => eventStore().ListAllEventsForTestingPurposesAbsolutelyNotUsableForARealEventStoreOfAnySize()).Cast <AggregateRootEvent>();
AssertStreamsAreIdentical(expected: expected, migratedHistory: completeEventHistory, descriptionOfHistory: "streamed persisted history");
}
}
public void UpdatingAnAggregateAfterPersistingMigrations()
{
var emptyMigrationsArray = new IEventMigration[0];
IReadOnlyList<IEventMigration> migrations = emptyMigrationsArray;
using(var container = CreateContainerForEventStoreType(() => migrations, EventStoreType))
{
var id = Guid.Parse("00000000-0000-0000-0000-000000000001");
container.Resolve<DummyTimeSource>().UtcNow = DateTime.Parse("2001-01-01 12:00");
var initialAggregate = TestAggregate.FromEvents(container.Resolve<IUtcTimeTimeSource>(), id, Seq.OfTypes<Ec1, E1>());
var initialHistory = initialAggregate.History;
Func<IEventStoreSession> session = () => container.Resolve<IEventStoreSession>();
Func<IEventStore> eventStore = () => container.Resolve<IEventStore>();
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Save(initialAggregate));
migrations = Seq.Create(Replace<E1>.With<E5>()).ToList();
container.ExecuteUnitOfWorkInIsolatedScope(() => eventStore().PersistMigrations());
migrations = Seq.Create<IEventMigration>().ToList();
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).RaiseEvents(new E2()));
var aggregate = container.ExecuteInIsolatedScope(() => session().Get<TestAggregate>(id));
var expected = TestAggregate.FromEvents(container.Resolve<IUtcTimeTimeSource>(), id, Seq.OfTypes<Ec1, E5, E2>()).History;
AssertStreamsAreIdentical(expected: expected, migratedHistory: aggregate.History, descriptionOfHistory: "migrated history");
var completeEventHistory =container.ExecuteInIsolatedScope(() => eventStore().ListAllEventsForTestingPurposesAbsolutelyNotUsableForARealEventStoreOfAnySize()).Cast<AggregateRootEvent>();
AssertStreamsAreIdentical(expected: expected, migratedHistory: completeEventHistory, descriptionOfHistory: "streamed persisted history");
Console.WriteLine($"Version");
Console.WriteLine("Aggregate Effective Inserted Manual");
Console.WriteLine("A E I M");
completeEventHistory.ForEach(@event => Console.WriteLine($"{@event.AggregateRootVersion} {@event.EffectiveVersion} {@event.InsertedVersion} {@event.ManualVersion}"));
ClearEventstoreCache(container);
completeEventHistory = container.ExecuteInIsolatedScope(() => eventStore().ListAllEventsForTestingPurposesAbsolutelyNotUsableForARealEventStoreOfAnySize()).Cast<AggregateRootEvent>();
AssertStreamsAreIdentical(expected: expected, migratedHistory: completeEventHistory, descriptionOfHistory: "streamed persisted history");
}
}
public void PersistingMigrationsOfTheSameAggregateMultipleTimesWithEventsAddedInTheMiddleAndAfter()
{
var emptyMigrationsArray = new IEventMigration[0];
IReadOnlyList <IEventMigration> migrations = emptyMigrationsArray;
using (var container = CreateContainerForEventStoreType(() => migrations, EventStoreType))
{
var id = Guid.Parse("00000000-0000-0000-0000-000000000001");
container.Resolve <DummyTimeSource>().UtcNow = DateTime.Parse("2001-01-01 12:00");
var aggregate = TestAggregate.FromEvents(container.Resolve <IUtcTimeTimeSource>(), id, Seq.OfTypes <Ec1, E1, E2, E3, E4>());
var initialHistory = aggregate.History;
Func <IEventStoreSession> session = () => container.Resolve <IEventStoreSession>();
Func <IEventStore> eventStore = () => container.Resolve <IEventStore>();
var firstSavedHistory = container.ExecuteUnitOfWorkInIsolatedScope(
() =>
{
session().Save(aggregate);
return(session().Get <TestAggregate>(id).History);
});
AssertStreamsAreIdentical(initialHistory, firstSavedHistory, "first saved history");
migrations = Seq.Create(Replace <E1> .With <E5>()).ToList();
var migratedHistory = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).History);
var expectedAfterReplacingE1WithE5 =
TestAggregate.FromEvents(container.Resolve <IUtcTimeTimeSource>(), id, Seq.OfTypes <Ec1, E5, E2, E3, E4>()).History;
AssertStreamsAreIdentical(expected: expectedAfterReplacingE1WithE5, migratedHistory: migratedHistory, descriptionOfHistory: "migrated history");
var historyAfterPersistingButBeforeReload = container.ExecuteUnitOfWorkInIsolatedScope(
() =>
{
eventStore().PersistMigrations();
return(session().Get <TestAggregate>(id).History);
});
AssertStreamsAreIdentical(expected: expectedAfterReplacingE1WithE5, migratedHistory: historyAfterPersistingButBeforeReload, descriptionOfHistory: "migrated, persisted");
var historyAfterPersistingAndReloading = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).History);
AssertStreamsAreIdentical(expected: expectedAfterReplacingE1WithE5, migratedHistory: historyAfterPersistingAndReloading, descriptionOfHistory: "migrated, persisted, reloaded");
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).RaiseEvents(new E6(), new E7()));
migrations = Seq.Create(Replace <E2> .With <E6>()).ToList();
ClearEventstoreCache(container);
migratedHistory = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).History);
var expectedAfterReplacingE2WithE6 = TestAggregate.FromEvents(container.Resolve <IUtcTimeTimeSource>(), id, Seq.OfTypes <Ec1, E5, E6, E3, E4, E6, E7>()).History;
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6, migratedHistory: migratedHistory, descriptionOfHistory: "migrated history");
historyAfterPersistingButBeforeReload = container.ExecuteUnitOfWorkInIsolatedScope(
() =>
{
eventStore().PersistMigrations();
return(session().Get <TestAggregate>(id).History);
});
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6, migratedHistory: historyAfterPersistingButBeforeReload, descriptionOfHistory: "migrated, persisted");
historyAfterPersistingAndReloading = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).History);
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6, migratedHistory: historyAfterPersistingAndReloading, descriptionOfHistory: "migrated, persisted, reloaded");
migrations = Seq.Empty <IEventMigration>().ToList();
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).RaiseEvents(new E8(), new E9()));
historyAfterPersistingAndReloading = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get <TestAggregate>(id).History);
var expectedAfterReplacingE2WithE6AndRaisingE8E9 = TestAggregate.FromEvents(container.Resolve <IUtcTimeTimeSource>(), id, Seq.OfTypes <Ec1, E5, E6, E3, E4, E6, E7, E8, E9>()).History;
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6AndRaisingE8E9, migratedHistory: historyAfterPersistingAndReloading, descriptionOfHistory: "migrated, persisted, reloaded");
}
}
public void PersistingMigrationsOfTheSameAggregateMultipleTimesWithEventsAddedInTheMiddleAndAfter()
{
var emptyMigrationsArray = new IEventMigration[0];
IReadOnlyList<IEventMigration> migrations = emptyMigrationsArray;
using (var container = CreateContainerForEventStoreType(() => migrations, EventStoreType))
{
var id = Guid.Parse("00000000-0000-0000-0000-000000000001");
container.Resolve<DummyTimeSource>().UtcNow = DateTime.Parse("2001-01-01 12:00");
var aggregate = TestAggregate.FromEvents(container.Resolve<IUtcTimeTimeSource>(), id, Seq.OfTypes<Ec1, E1, E2, E3, E4>());
var initialHistory = aggregate.History;
Func<IEventStoreSession> session = () => container.Resolve<IEventStoreSession>();
Func<IEventStore> eventStore = () => container.Resolve<IEventStore>();
var firstSavedHistory = container.ExecuteUnitOfWorkInIsolatedScope(
() =>
{
session().Save(aggregate);
return session().Get<TestAggregate>(id).History;
});
AssertStreamsAreIdentical(initialHistory, firstSavedHistory, "first saved history");
migrations = Seq.Create(Replace<E1>.With<E5>()).ToList();
var migratedHistory = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).History);
var expectedAfterReplacingE1WithE5 =
TestAggregate.FromEvents(container.Resolve<IUtcTimeTimeSource>(), id, Seq.OfTypes<Ec1, E5, E2, E3, E4>()).History;
AssertStreamsAreIdentical(expected: expectedAfterReplacingE1WithE5, migratedHistory: migratedHistory, descriptionOfHistory: "migrated history");
var historyAfterPersistingButBeforeReload = container.ExecuteUnitOfWorkInIsolatedScope(
() =>
{
eventStore().PersistMigrations();
return session().Get<TestAggregate>(id).History;
});
AssertStreamsAreIdentical(expected: expectedAfterReplacingE1WithE5, migratedHistory: historyAfterPersistingButBeforeReload, descriptionOfHistory: "migrated, persisted");
var historyAfterPersistingAndReloading = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).History);
AssertStreamsAreIdentical(expected: expectedAfterReplacingE1WithE5, migratedHistory: historyAfterPersistingAndReloading, descriptionOfHistory: "migrated, persisted, reloaded");
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).RaiseEvents(new E6(), new E7()));
migrations = Seq.Create(Replace<E2>.With<E6>()).ToList();
ClearEventstoreCache(container);
migratedHistory = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).History);
var expectedAfterReplacingE2WithE6 = TestAggregate.FromEvents(container.Resolve<IUtcTimeTimeSource>(), id, Seq.OfTypes<Ec1, E5, E6, E3, E4, E6, E7>()).History;
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6, migratedHistory: migratedHistory, descriptionOfHistory: "migrated history");
historyAfterPersistingButBeforeReload = container.ExecuteUnitOfWorkInIsolatedScope(
() =>
{
eventStore().PersistMigrations();
return session().Get<TestAggregate>(id).History;
});
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6, migratedHistory: historyAfterPersistingButBeforeReload, descriptionOfHistory: "migrated, persisted");
historyAfterPersistingAndReloading = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).History);
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6, migratedHistory: historyAfterPersistingAndReloading, descriptionOfHistory: "migrated, persisted, reloaded");
migrations = Seq.Empty<IEventMigration>().ToList();
container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).RaiseEvents(new E8(), new E9()));
historyAfterPersistingAndReloading = container.ExecuteUnitOfWorkInIsolatedScope(() => session().Get<TestAggregate>(id).History);
var expectedAfterReplacingE2WithE6AndRaisingE8E9 = TestAggregate.FromEvents(container.Resolve<IUtcTimeTimeSource>(), id, Seq.OfTypes<Ec1, E5, E6, E3, E4, E6, E7, E8, E9>()).History;
AssertStreamsAreIdentical(expected: expectedAfterReplacingE2WithE6AndRaisingE8E9, migratedHistory: historyAfterPersistingAndReloading, descriptionOfHistory: "migrated, persisted, reloaded");
}
}
