func (s *AppTestSuite) TestDomainObjectCanBeBuildFromHistory(c *C) {
// The id of our event source that we will rebuild from history.
sourceId, _ := sourcing.ParseEventSourceId("0791d279-664d-458e-bf60-567ade140832")
// The full history for the User domain object
history := []sourcing.Event{
// It was first created
events.UserCreated{
Username: "******",
},
// Then the username was changed
events.UsernameChanged{
OldUsername: "******",
NewUsername: "******",
},
}
// Create a new User domain object from history
user := domain.NewUserFromHistory(sourceId, history)
// It should not have the initial state.
c.Assert(user.Username, Not(Equals), "pjvds")
// It should have the latest state.
c.Assert(user.Username, Equals, "wwwouter")
}
func (s *AppTestSuite) BenchmarkRebuildUserFromHistory(c *C) {
// The full history for the User domain object
sourceId, _ := sourcing.ParseEventSourceId("0791d279-664d-458e-bf60-567ade140832")
// The full history for the User domain object
history := []sourcing.Event{
// It was first created
events.UserCreated{
Username: "******",
},
// Then the username was changed
events.UsernameChanged{
OldUsername: "******",
NewUsername: "******",
},
}
for i := 0; i < c.N; i++ {
// Create a new User domain object from history
domain.NewUserFromHistory(sourceId, history)
}
}