func TestUser_SignUp_failsIfUserHasSignedUpAlready(t *testing.T) {
password := ess.Password()
password.UnmarshalText([]byte("password"))
history := []*ess.Event{
ess.NewEvent("user.signed-up").
Add("username", "test-user").
Add("password", password.String()).
Add("email", "*****@*****.**").
Add("name", "John Doe"),
}
user := NewUser("username")
for _, event := range history {
user.HandleEvent(event)
}
err := user.SignUp("Jane Doe", "*****@*****.**", password.String())
if err == nil {
t.Fatal("Expected an error")
}
verr, ok := err.(*ess.ValidationError)
if !ok {
t.Fatalf("err.(type) = %T; want %T", err, verr)
}
if got, want := len(verr.Errors["username"]), 1; got != want {
t.Errorf(`len(verr.Errors["username"]) = %v; want %v`, got, want)
}
if got, want := verr.Errors["username"][0], "not_unique"; got != want {
t.Errorf(`verr.Errors["username"][0] = %v; want %v`, got, want)
}
}
func (self *User) SignUp(name, email, password string) error {
err := ess.NewValidationError()
if self.signedUp {
err.Add("username", "not_unique")
}
if password == "" {
err.Add("password", "empty")
}
if email == "" {
err.Add("email", "empty")
}
if err.Ok() {
self.events.PublishEvent(
ess.NewEvent("user.signed-up").
For(self).
Add("password", password).
Add("email", email).
Add("name", name),
)
}
return err.Return()
}
func (self *Post) Write(title, body, author string) error {
err := ess.NewValidationError()
if self.written {
err.Add("post", "not_unique")
}
if title == "" {
err.Add("title", "empty")
}
if body == "" {
err.Add("body", "empty")
}
if author == "" {
err.Add("username", "empty")
}
if err.Ok() {
self.events.PublishEvent(
ess.NewEvent("post.written").
For(self).
Add("title", title).
Add("author", author).
Add("body", body),
)
}
return err.Return()
}
func (self *User) Logout(session string) error {
err := ess.NewValidationError()
if !self.signedUp {
err.Add("user", "not_found")
}
if session == "" {
err.Add("session", "empty")
}
if !self.HasActiveSession(session) {
err.Add("session", "expired")
}
if err.Ok() {
self.events.PublishEvent(
ess.NewEvent("user.logged-out").
For(self).
Add("session", session),
)
}
return err.Return()
}
func (self *User) SignUp(params *ess.Command) error {
err := ess.NewValidationError()
if self.signedUp {
err.Add("username", "not_unique")
}
if err.Ok() {
self.events.PublishEvent(
ess.NewEvent("user.signed-up").
For(self).
Add("username", params.Get("username").String()).
Add("password", params.Get("password").String()).
Add("email", params.Get("email").String()),
)
}
return err.Return()
}
func (self *User) Login(session string, password *ess.BcryptedPassword) error {
err := ess.NewValidationError()
if !self.signedUp {
err.Add("user", "not_found")
}
if !password.Matches(self.password) {
err.Add("password", "mismatch")
}
if err.Ok() {
self.events.PublishEvent(
ess.NewEvent("user.logged-in").
For(self).
Add("session", session),
)
}
return err.Return()
}
func (self *Post) Edit(title, body, reason, username string) error {
err := ess.NewValidationError()
if !self.written {
err.Add("post", "not_found")
}
if title == "" {
err.Add("title", "empty")
}
if body == "" {
err.Add("body", "empty")
}
if username != self.author {
err.Add("username", "mismatch")
}
if reason == "" {
err.Add("reason", "empty")
}
if err.Ok() {
self.events.PublishEvent(
ess.NewEvent("post.edited").
For(self).
Add("title", title).
Add("body", body).
Add("author", username).
Add("reason", reason),
)
}
return err.Return()
}