public async Task StoreAsync_ConcurrentlyModifyExistingEntity_ExceptionThrown() { var eventStore = _dbContext.Persons.Add(new PersonEventStore { Id = 12, EntityVersion = 1 }).Entity; eventStore.Events.Add( new PersonEvent { SerializedEvent = "{\"NewName\": \"Silverback\"}", ClrType = "Silverback.Tests.EventSourcing.TestTypes.EntityEvents.NameChangedEvent, Silverback.EventSourcing.Tests" }); _dbContext.SaveChanges(); var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext)); var person = repo.Find(p => p.Id == 12); var person2 = repo.Find(p => p.Id == 12); person !.ChangeName("Sergio"); person.ChangeAge(35); person2 !.ChangeName("Sergio"); person2.ChangeAge(35); await repo.StoreAsync(person); Func <Task> act = async() => await repo.StoreAsync(person2); await act.Should().ThrowAsync <EventStoreConcurrencyException>(); }
public async Task StoreAsync_ExistingEntity_VersionIncremented() { var eventStore = _dbContext.Persons.Add(new PersonEventStore { Id = 12, EntityVersion = 1 }).Entity; eventStore.Events.Add( new PersonEvent { SerializedEvent = "{\"NewName\": \"Silverback\"}", ClrType = "Silverback.Tests.EventSourcing.TestTypes.EntityEvents.NameChangedEvent, Silverback.EventSourcing.Tests" }); _dbContext.SaveChanges(); var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext)); var person = repo.Find(p => p.Id == 12); person !.ChangeName("Sergio"); person.ChangeAge(35); await repo.StoreAsync(person); _dbContext.Persons.First().EntityVersion.Should().Be(3); }
public async Task StoreAsync_ExistingEntity_NewEventsSaved() { var eventStore = _dbContext.Persons.Add(new PersonEventStore { Id = 12, EntityVersion = 1 }).Entity; eventStore.Events.Add(new PersonEvent { SerializedEvent = "{" + "\"$type\": \"Silverback.Tests.EventSourcing.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.Tests\"," + "\"NewName\": \"Silverback\"" + "}" }); _dbContext.SaveChanges(); var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext)); var person = await repo.GetAsync(p => p.Id == 12); person.ChangeName("Sergio"); person.ChangeAge(35); await repo.StoreAsync(person); await _dbContext.SaveChangesAsync(); _dbContext.Persons.Count().Should().Be(1); _dbContext.Persons.First().Events.Count.Should().Be(3); }
public async Task StoreAsync_EntityWithSomeEvents_VersionCalculated() { var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext)); var person = new Person(); person.ChangeName("Sergio"); person.ChangeAge(35); await repo.StoreAsync(person); await _dbContext.SaveChangesAsync(); _dbContext.Persons.First().EntityVersion.Should().Be(2); }