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 void Store_ExistingEntity_NewEventsSaved()
{
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);
repo.Store(person);
_dbContext.SaveChanges();
_dbContext.Persons.Should().HaveCount(1);
_dbContext.Persons.First().Events.Should().HaveCount(3);
}
public void Remove_ExistingEntity_EntityDeleted()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).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 entity = repo.Find(p => p.Id == 12);
entity.Should().NotBeNull();
repo.Remove(entity !);
_dbContext.SaveChanges();
_dbContext.Persons.Should().BeEmpty();
_dbContext.Persons.SelectMany(s => s.Events).Should().BeEmpty();
}
public void Find_EventsWithLegacySerialization_EventsApplied()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).Entity;
eventStore.Events.Add(
new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.TestTypes.EntityEvents.NameChangedEvent, Silverback.EventSourcing.Tests\"," +
"\"NewName\": \"Silverback\"" +
"}"
});
eventStore.Events.Add(
new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.TestTypes.EntityEvents.AgeChangedEvent, Silverback.EventSourcing.Tests\"," +
"\"NewAge\": 35" +
"}"
});
_dbContext.SaveChanges();
var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext));
var entity = repo.Find(p => p.Id == 12);
entity.Should().NotBeNull();
entity !.Name.Should().Be("Silverback");
entity.Age.Should().Be(35);
}
public void Find_ExistingId_EventsAppliedInRightOrder()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).Entity;
eventStore.Events.Add(
new PersonEvent
{
SerializedEvent = "{\"NewName\": \"Silverback\"}",
ClrType =
"Silverback.Tests.EventSourcing.TestTypes.EntityEvents.NameChangedEvent, Silverback.EventSourcing.Tests",
Timestamp = DateTime.Parse("2000-05-05", CultureInfo.InvariantCulture)
});
eventStore.Events.Add(
new PersonEvent
{
SerializedEvent = "{\"NewName\": \"Sergio\"}",
ClrType =
"Silverback.Tests.EventSourcing.TestTypes.EntityEvents.NameChangedEvent, Silverback.EventSourcing.Tests",
Timestamp = DateTime.Parse("2000-03-01", CultureInfo.InvariantCulture)
});
_dbContext.SaveChanges();
var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext));
var entity = repo.Find(p => p.Id == 12);
entity.Should().NotBeNull();
entity !.Name.Should().Be("Silverback");
}
public void Find_NonExistingId_NullReturned()
{
var repo = new PersonDbEventStoreRepository(new EfCoreDbContext <TestDbContext>(_dbContext));
var entity = repo.Find(p => p.Id == 12);
entity.Should().BeNull();
}
public void Find_ExistingId_EntityRecreated()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).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 entity = repo.Find(p => p.Id == 12);
entity.Should().NotBe(null);
}
