Support running feature tests against Firefox. Fixes #3270

web/regression/feature_utils/app_starter.py

@@ -12,6 +12,7 @@ import signal
 import random
 
 import time
+from selenium.common.exceptions import WebDriverException
 
 
 class AppStarter:
@@ -41,10 +42,26 @@ class AppStarter:
             env=env
         )
 
-        self.driver.get(
-            "http://" + self.app_config.DEFAULT_SERVER + ":" +
-            random_server_port
-        )
+        def launch_browser(retry_count):
+            try:
+                self.driver.get(
+                    "http://" + self.app_config.DEFAULT_SERVER + ":" +
+                    random_server_port
+                )
+
+            except WebDriverException as e:
+                # In case of WebDriverException sleep for 1 second and retry
+                # again. Retry 10 times and if still app will not start then
+                # raise exception.
+                time.sleep(1)
+                if retry_count < 60:
+                    retry_count = retry_count + 1
+                    launch_browser(retry_count)
+                else:
+                    raise Exception('Unable to start python server even after '
+                                    'retrying 60 times.')
+
+        launch_browser(0)
 
     def stop_app(self):
         """ This function stop the started app by killing process """

web/regression/feature_utils/pgadmin_page.py

@@ -60,6 +60,8 @@ class PgadminPage:
         self.fill_input_by_field_name("port", server_config['port'])
         self.fill_input_by_field_name("username", server_config['username'])
         self.fill_input_by_field_name("password", server_config['db_password'])
+        # Required sleep to avoid "fe_sendauth" password error.
+        time.sleep(0.5)
         self.find_by_xpath("//button[contains(.,'Save')]").click()
 
         self.find_by_xpath(
@@ -318,6 +320,14 @@ class PgadminPage:
 
         self._wait_for("app to start", page_shows_app, self.app_start_timeout)
 
+    def wait_for_element_to_reload(self, element_selector):
+        WebDriverWait(self.driver, 20) \
+            .until(EC.staleness_of(element_selector(self.driver)))
+        WebDriverWait(self.driver, 20) \
+            .until_not(EC.staleness_of(element_selector(self.driver)))
+
+        return element_selector(self.driver)
+
     def _wait_for(self, waiting_for_message, condition_met_function,
                   timeout=None):
         if timeout is None: