Add domain support for specialized test login

Some test servers require the domain parameter for login.
This small change provides support for servers that require
this additional login step.

Change-Id: Ia9f94b687ee6d3318fa61ad3f446b21ed6cfea6a
Closes-Bug: #1802343

openstack_dashboard/test/integration_tests/config.py

@@ -32,6 +32,9 @@ IdentityGroup = [
                default='secretadmin',
                help="API key to use when authenticating.",
                secret=True),
+    cfg.StrOpt('domain',
+               default=None,
+               help="Domain name to use if required for login"),
     cfg.StrOpt('home_project',
                default='demo',
                help="Project to keep all objects belonging to a regular user."

openstack_dashboard/test/integration_tests/pages/loginpage.py

@@ -21,6 +21,7 @@ from openstack_dashboard.test.integration_tests.pages.project.compute import \
 
 
 class LoginPage(pageobject.PageObject):
+    _login_domain_field_locator = (by.By.ID, 'id_domain')
     _login_username_field_locator = (by.By.ID, 'id_username')
     _login_password_field_locator = (by.By.ID, 'id_password')
     _login_submit_button_locator = (by.By.CSS_SELECTOR,
@@ -35,6 +36,10 @@ class LoginPage(pageobject.PageObject):
         return (self.is_the_current_page() and
                 self._is_element_visible(*self._login_submit_button_locator))
 
+    @property
+    def domain(self):
+        return self._get_elements(*self._login_domain_field_locator)
+
     @property
     def username(self):
         return self._get_element(*self._login_username_field_locator)
@@ -67,6 +72,8 @@ class LoginPage(pageobject.PageObject):
                               self._press_enter_on_login_button)
 
     def _do_login(self, user, password, login_method):
+        if self.conf.identity.domain:
+            self.domain[0].send_keys(self.conf.identity.domain)
         if user == self.conf.identity.admin_username:
             if password is None:
                 password = self.conf.identity.admin_password