Add testing for register

tests/test_client.py

+import re
+import unittest
+from app import create_app, db
+from app.models import User, Role
+
+
+class FlaskClientTestCase(unittest.TestCase):
+    def setUp(self):
+        self.app = create_app('testing')
+        self.app_context = self.app.app_context()
+        self.app_context.push()
+        db.create_all()
+        # Role.insert_roles()
+        self.client = self.app.test_client(use_cookies=True)
+
+    def tearDown(self):
+        db.session.remove()
+        db.drop_all()
+        self.app_context.pop()
+
+    def test_home_page(self):
+        response = self.client.get('/')
+        self.assertEqual(response.status_code, 200)
+        self.assertTrue('Stranger' in response.get_data(as_text=True))
+
+    def test_register_and_login(self):
+        # register a new account
+        response = self.client.post('/auth/register', data={
+            'email': 'john@example.com',
+            'username': 'john',
+            'password': 'cat',
+            'password2': 'cat'
+        })
+        self.assertEqual(response.status_code, 302)
+
+        # login with the new account
+        response = self.client.post('/auth/login', data={
+            'email': 'john@example.com',
+            'password': 'cat'
+        }, follow_redirects=True)
+        self.assertEqual(response.status_code, 200)
+        self.assertTrue(re.search(r'Hello,\sjohn!',
+                                  response.get_data(as_text=True)))
+        self.assertTrue(
+            'You have not confirmed your account yet' in response.get_data(
+                as_text=True))