Add ListEmails, AddEmails, and DeleteEmails for Users service.

This includes tests for relevant methods. Fixes #14.

github/users.go

@@ -40,6 +40,9 @@ type User struct {
 	CreatedAt   *time.Time `json:"created_at,omitempty"`
 }
 
+// UserEmail represents user's email address
+type UserEmail string
+
 // Get fetches a user.  Passing the empty string will fetch the authenticated
 // user.
 //
@@ -104,3 +107,47 @@ func (s *UsersService) ListAll(opt *UserListOptions) ([]User, error) {
 	_, err = s.client.Do(req, users)
 	return *users, err
 }
+
+// ListEmails lists all authenticated user email addresses
+//
+// GitHub API docs: http://developer.github.com/v3/users/emails/#list-email-addresses-for-a-user
+func (s *UsersService) ListEmails() ([]UserEmail, error) {
+	u := "user/emails"
+	req, err := s.client.NewRequest("GET", u, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	emails := new([]UserEmail)
+	_, err = s.client.Do(req, emails)
+	return *emails, err
+}
+
+// AddEmails adds email addresses of authenticated user
+//
+// GitHub API docs: http://developer.github.com/v3/users/emails/#add-email-addresses
+func (s *UsersService) AddEmails(emails *[]UserEmail) (*[]UserEmail, error) {
+	u := "user/emails"
+	req, err := s.client.NewRequest("POST", u, emails)
+	if err != nil {
+		return nil, err
+	}
+
+	e := new([]UserEmail)
+	_, err = s.client.Do(req, e)
+	return e, err
+}
+
+// DeleteEmails deletes email addresses from authenticated user
+//
+// GitHub API docs: http://developer.github.com/v3/users/emails/#delete-email-addresses
+func (s *UsersService) DeleteEmails(emails *[]UserEmail) error {
+	u := "user/emails"
+	req, err := s.client.NewRequest("DELETE", u, emails)
+	if err != nil {
+		return err
+	}
+
+	_, err = s.client.Do(req, nil)
+	return err
+}

github/users_test.go

@@ -109,3 +109,74 @@ func TestUsersService_ListAll(t *testing.T) {
 		t.Errorf("Users.ListAll returned %+v, want %+v", users, want)
 	}
 }
+
+func TestUsersService_ListEmails(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/user/emails", func(w http.ResponseWriter, r *http.Request) {
+		testMethod(t, r, "GET")
+		fmt.Fprint(w, `["user@example.com"]`)
+	})
+
+	emails, err := client.Users.ListEmails()
+	if err != nil {
+		t.Errorf("Users.ListEmails returned error: %v", err)
+	}
+
+	want := []UserEmail{"user@example.com"}
+	if !reflect.DeepEqual(emails, want) {
+		t.Errorf("Users.ListEmails returned %+v, want %+v", emails, want)
+	}
+}
+
+func TestUsersService_AddEmails(t *testing.T) {
+	setup()
+	defer teardown()
+
+	input := &[]UserEmail{"new@example.com"}
+
+	mux.HandleFunc("/user/emails", func(w http.ResponseWriter, r *http.Request) {
+		v := &[]UserEmail{}
+		json.NewDecoder(r.Body).Decode(v)
+
+		testMethod(t, r, "POST")
+		if !reflect.DeepEqual(v, input) {
+			t.Errorf("Request body = %+v, want %+v", v, input)
+		}
+
+		fmt.Fprint(w, `["old@example.com", "new@example.com"]`)
+	})
+
+	emails, err := client.Users.AddEmails(input)
+	if err != nil {
+		t.Errorf("Users.AddEmails returned error: %v", err)
+	}
+
+	want := &[]UserEmail{"old@example.com", "new@example.com"}
+	if !reflect.DeepEqual(emails, want) {
+		t.Errorf("Users.AddEmails returned %+v, want %+v", emails, want)
+	}
+}
+
+func TestUsersService_DeleteEmails(t *testing.T) {
+	setup()
+	defer teardown()
+
+	input := &[]UserEmail{"user@example.com"}
+
+	mux.HandleFunc("/user/emails", func(w http.ResponseWriter, r *http.Request) {
+		v := &[]UserEmail{}
+		json.NewDecoder(r.Body).Decode(v)
+
+		testMethod(t, r, "DELETE")
+		if !reflect.DeepEqual(v, input) {
+			t.Errorf("Request body = %+v, want %+v", v, input)
+		}
+	})
+
+	err := client.Users.DeleteEmails(input)
+	if err != nil {
+		t.Errorf("Users.DeleteEmails returned error: %v", err)
+	}
+}