public async Task StoreAsync_ConcurrentlyModifyExistingEntity_ExceptionThrown()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12, EntityVersion = 1
}).Entity;
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewName\": \"Silverback\"" +
"}"
});
_dbContext.SaveChanges();
var repo = new PersonEventStoreRepository(_dbContext);
var person = repo.Get(p => p.Id == 12);
var person2 = repo.Get(p => p.Id == 12);
person.ChangeName("Sergio");
person.ChangeAge(35);
person2.ChangeName("Sergio");
person2.ChangeAge(35);
await repo.StoreAsync(person);
Func <Task> act = async() => await repo.StoreAsync(person2);
act.Should().Throw <SilverbackConcurrencyException>();
}
public void Get_ExistingId_EventsApplied()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).Entity;
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewName\": \"Silverback\"" +
"}"
});
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+AgeChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewAge\": 35" +
"}"
});
_dbContext.SaveChanges();
var repo = new PersonEventStoreRepository(_dbContext);
var entity = repo.Get(p => p.Id == 12);
entity.Name.Should().Be("Silverback");
entity.Age.Should().Be(35);
}