public async Task Does_Not_Add_Removed_Entity()
{
var target = new Mock <IEventProjectorTarget <Person> >();
var projector = new EntityFrameworkEventsProjector <Person>(_context, new [] { target.Object });
await _context.Events.AddRangeAsync(new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 0,
EventDetails = "{\"Name\":\"John\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:00\",\"Version\":0.0,\"AuthorId\":null}",
EventName = "PersonCreated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 0)
}, new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 1,
EventDetails = "{\"Name\":\"Marcus\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:01\",\"Version\":1.0,\"AuthorId\":null}",
EventName = "PersonUpdated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 1)
}, new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 2,
EventDetails = "{\"Name\":\"Mark\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:02\",\"Version\":2.0,\"AuthorId\":null}",
EventName = "PersonUpdated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 2)
}, new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 3,
EventDetails = "{\"EntityId\":\"82414384-6144-45fb-a4b0-860910e2f95b\",\"Published\":\"2020-10-10T17:06:03\",\"Version\":3.0,\"AuthorId\":null}",
EventName = "PersonRemoved",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 3)
});
await _context.SaveChangesAsync();
await projector.CatchUp();
target.Verify(x => x.Add(It.IsAny <Person>()), Times.Never);
target.Verify(x => x.SaveChanges(), Times.Never);
}
public async Task Does_Catch_Up_To_New_Version_Work()
{
var target = new Mock <IEventProjectorTarget <Person> >();
var projector = new EntityFrameworkEventsProjector <Person>(_context, new [] { target.Object });
var actual = new Person
{
Id = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
Name = "Mark",
Metadata = new Metadata
{
Creation = new Creation
{
Published = new DateTime(2020, 10, 10, 17, 06, 0)
},
Updates = new[]
{
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 1),
Version = 1
},
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 2),
Version = 2
}
},
Removed = false,
Version = 2
}
};
var expected = new Person
{
Id = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
Name = "John",
Metadata = new Metadata
{
Creation = new Creation
{
Published = new DateTime(2020, 10, 10, 17, 06, 0)
},
Updates = new[]
{
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 1),
Version = 1
},
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 2),
Version = 2
},
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 3),
Version = 3
},
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 4),
Version = 4
}
},
Removed = false,
Version = 4
}
};
await _context.Events.AddRangeAsync(new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 3,
EventDetails = "{\"Name\":\"Marcus\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:03\",\"Version\":3.0,\"AuthorId\":null}",
EventName = "PersonUpdated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 3)
}, new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 4,
EventDetails = "{\"Name\":\"John\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:04\",\"Version\":4.0,\"AuthorId\":null}",
EventName = "PersonUpdated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 4)
});
await _context.SaveChangesAsync();
target
.Setup(x => x.GetById(It.Is <Guid>(y => y == Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"))))
.ReturnsAsync(actual);
await projector.CatchUp();
target.Verify(x => x.Update(It.Is <Person>(y => y.IsDeepEqual(expected))));
target.Verify(x => x.SaveChanges());
}
public async Task Does_Notify_About_New_Object_Work()
{
var target = new Mock <IEventProjectorTarget <Person> >();
var projector = new EntityFrameworkEventsProjector <Person>(_context, new [] { target.Object });
var expectedV0 = new Person
{
Id = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
Name = "John",
Metadata = new Metadata
{
Creation = new Creation
{
Published = new DateTime(2020, 10, 10, 17, 06, 0)
},
Removed = false,
Version = 0
},
};
var expectedV1 = new Person
{
Id = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
Name = "Marcus",
Metadata = new Metadata
{
Creation = new Creation
{
Published = new DateTime(2020, 10, 10, 17, 06, 0)
},
Updates = new[]
{
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 1),
Version = 1
}
},
Removed = false,
Version = 1
}
};
var expectedV2 = new Person
{
Id = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
Name = "Mark",
Metadata = new Metadata
{
Creation = new Creation
{
Published = new DateTime(2020, 10, 10, 17, 06, 0)
},
Updates = new[]
{
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 1),
Version = 1
},
new Update
{
Published = new DateTime(2020, 10, 10, 17, 06, 2),
Version = 2
}
},
Removed = false,
Version = 2
}
};
await _context.Events.AddRangeAsync(new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 0,
EventDetails = "{\"Name\":\"John\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:00\",\"Version\":0.0,\"AuthorId\":null}",
EventName = "PersonCreated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 0)
}, new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 1,
EventDetails = "{\"Name\":\"Marcus\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:01\",\"Version\":1.0,\"AuthorId\":null}",
EventName = "PersonUpdated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 1)
}, new EventDatabaseEntity
{
EntityId = Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"),
EntityVersion = 2,
EventDetails = "{\"Name\":\"Mark\",\"EntityId\":\"fa710953-2128-47c6-bef5-391ce66d0404\",\"Published\":\"2020-10-10T17:06:02\",\"Version\":2.0,\"AuthorId\":null}",
EventName = "PersonUpdated",
EventPublished = new DateTime(2020, 10, 10, 17, 6, 2)
});
await _context.SaveChangesAsync();
for (double i = 0; i <= 2; i += 1)
{
await projector.Notify(Guid.Parse("fa710953-2128-47c6-bef5-391ce66d0404"), i);
}
target.Verify(x => x.Add(It.Is <Person>(y => y.IsDeepEqual(expectedV0))), Times.Once);
target.Verify(x => x.Add(It.Is <Person>(y => y.IsDeepEqual(expectedV1))), Times.Once);
target.Verify(x => x.Add(It.Is <Person>(y => y.IsDeepEqual(expectedV2))), Times.Once);
target.Verify(x => x.Add(It.IsAny <Person>()), Times.Exactly(3));
target.Verify(x => x.SaveChanges(), Times.Exactly(3));
}