adds test for login with invalid username

Author: hciwork

tests/home/test_home.py

@@ -1,17 +1,53 @@
+from codebender_testing.config import TEST_CREDENTIALS
 from codebender_testing.utils import SeleniumTestCase
 from selenium.webdriver.common.keys import Keys
 
 class TestHome(SeleniumTestCase):
 
     def test_navigate_home(self):
+        """ opens browser to codebender bachelor """
         self.open("/")
         assert "Codebender" in self.driver.title
 
     def test_login(self):
-        """Test to ensure the login box is displayed"""
         driver = self.driver
         self.open("/")
+
+        """ tests to ensure login div appears """        
         login_elem = driver.find_element_by_id("login_btn")    #finds login button
         login_elem.send_keys(Keys.RETURN)                      #clicks login button
         logbox_elem = driver.find_element_by_id("login_box")   #finds login div
         assert logbox_elem.is_displayed()                      #checks to see if div is visible
+
+        """ tests login with invalid username """
+        # define elements in login form 
+        username_elem = driver.find_element_by_id("username")
+        password_elem = driver.find_element_by_id("password")
+        submit_elem = driver.find_element_by_id("_submit")
+        
+        # enter invalid username with correct password
+        username_elem.send_keys("codebender")
+        password_elem.send_keys(TEST_CREDENTIALS['password'])
+        submit_elem.click()
+
+        # check for error message
+        error_elem = driver.find_element_by_class_name('text-error')
+        assert error_elem.is_displayed() 
+
+    def test_quit(self):
+        """ closes driver """
+        driver = self.driver
+        driver.quit()
+
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