Added test for logging in a pre-existing user

tests/LandingPage/test_views.py

@@ -50,3 +50,35 @@ class TestLogin(TestCase):
             client = Client()
             resp = client.get('/login/redirect?state=%s&code=%s'%('bad_state', 'code'))
             self.assertEqual(resp.status_code, 400)
+
+    def test_login_old_user(self):
+        # Set up responses to control network flow
+        with responses.RequestsMock() as rm:
+            rm.add(responses.POST,'http://icynet.test/api/token',json={'access_token':'1accesstoken1'})
+            rm.add(responses.GET,'http://icynet.test/api/user',json={'uuid':'935a41b5-b38d-42c3-96ef-653402fc44ca','email':'johnsmith@gmail.com','display_name':'Mr. Smith'})
+
+            # Set up the database
+            user = User(user_id='935a41b5-b38d-42c3-96ef-653402fc44ca',email='johnsmith@gmail.com',display_name='Mr. Smith')
+            user.save()
+
+            # Make initial request to redirect endpoint
+            client = Client()
+            resp = client.get('/login')
+            state = parse.parse_qs(parse.urlparse(resp['Location']).query)['state'][0]
+
+            # Make connection to the real endpoint
+            resp = client.get('/login/redirect?state=%s&code=%s'%(state, 'code'))
+            self.assertEqual(resp.status_code, 302)
+
+            # Check that the database is all good
+            users = User.objects.all()
+            self.assertEqual(len(users), 1)
+            user = users[0]
+            self.assertEqual(user.user_id,'935a41b5-b38d-42c3-96ef-653402fc44ca')
+            self.assertEqual(user.email,'johnsmith@gmail.com')
+            self.assertEqual(user.display_name, 'Mr. Smith')
+
+            # Check appropriate values are in the session
+            self.assertEqual(client.session['user_id'], '935a41b5-b38d-42c3-96ef-653402fc44ca')
+            self.assertEqual(client.session['token'],'1accesstoken1')
+            self.assertEqual(client.session['disp_name'], 'Mr. Smith')