UPD: more and better tests.

dav_auth/tests/generic.py

@@ -0,0 +1,22 @@
+from django.urls import reverse
+from selenium.webdriver.common.by import By
+from selenium.webdriver.common.keys import Keys
+
+
+class SeleniumAuthMixin(object):
+    def login(self, driver, username, password):
+        driver.get(self.complete_url(reverse('dav_auth:login')))
+        username_field = self.wait_on_presence(driver, (By.ID, 'id_username'))
+        username_field.clear()
+        username_field.send_keys(username)
+        password_field = driver.find_element_by_id('id_password')
+        password_field.clear()
+        password_field.send_keys(password)
+        password_field.send_keys(Keys.RETURN)
+        self.wait_on_presence(driver, (By.CSS_SELECTOR, "#messages .alert-success"))
+        return driver
+
+    def logout(self, driver):
+        driver.get(self.complete_url(reverse('dav_auth:logout')))
+        self.wait_on_presence(driver, (By.CSS_SELECTOR, "#messages .alert-success"))
+        return driver