public async Task StoreAsync_ExistingEntity_NewEventsSaved()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12, EntityVersion = 1
}).Entity;
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewName\": \"Silverback\"" +
"}"
});
_dbContext.SaveChanges();
var repo = new PersonEventStoreRepository(_dbContext);
var person = await repo.GetAsync(p => p.Id == 12);
person.ChangeName("Sergio");
person.ChangeAge(35);
await repo.StoreAsync(person);
await _dbContext.SaveChangesAsync();
_dbContext.Persons.Count().Should().Be(1);
_dbContext.Persons.First().Events.Count.Should().Be(3);
}
public async Task RemoveAsync_ExistingEntity_EntityDeleted()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).Entity;
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewName\": \"Silverback\"" +
"}"
});
_dbContext.SaveChanges();
var repo = new PersonEventStoreRepository(_dbContext);
var entity = await repo.GetAsync(p => p.Id == 12);
entity.Should().NotBeNull();
await repo.RemoveAsync(entity);
await _dbContext.SaveChangesAsync();
_dbContext.Persons.Count().Should().Be(0);
_dbContext.Persons.SelectMany(s => s.Events).Count().Should().Be(0);
}
public async Task GetAsync_ExistingId_EventsAppliedInRightOrder()
{
var eventStore = _dbContext.Persons.Add(new PersonEventStore {
Id = 12
}).Entity;
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewName\": \"Silverback\"" +
"}",
Timestamp = DateTime.Parse("2000-05-05")
});
eventStore.Events.Add(new PersonEvent
{
SerializedEvent = "{" +
"\"$type\": \"Silverback.Tests.EventSourcing.EntityFrameworkCore.TestTypes.Person+NameChangedEvent, Silverback.EventSourcing.EntityFrameworkCore.Tests\"," +
"\"NewName\": \"Sergio\"" +
"}",
Timestamp = DateTime.Parse("2000-03-01")
});
_dbContext.SaveChanges();
var repo = new PersonEventStoreRepository(_dbContext);
var entity = await repo.GetAsync(p => p.Id == 12);
entity.Name.Should().Be("Silverback");
}
public async Task GetAsync_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 = await repo.GetAsync(p => p.Id == 12);
entity.Name.Should().Be("Silverback");
entity.Age.Should().Be(35);
}
public async Task GetAsync_NonExistingId_NullReturned()
{
var repo = new PersonEventStoreRepository(_dbContext);
var entity = await repo.GetAsync(p => p.Id == 12);
entity.Should().BeNull();
}