Just some few basics for me on learning tests.

basic_client_tests.py

# Mark Allan B. Meriales
# Client testing basic

# If you want to generate fixtures out of your
# existing models and database contents you may
# try my manage.py command below
# https://gist.github.com/makmac213/4671624


import unittest
from django.test.client import Client
from django.contrib.auth.models import User, Group

"""
Method	                        Checks that	
assertEqual(a, b)	        a == b	 
assertNotEqual(a, b)	        a != b	 
assertTrue(x)	                bool(x) is True	 
assertFalse(x)	                bool(x) is False	 
assertIs(a, b)	                a is b	
assertIsNot(a, b)	        a is not b	
assertIsNone(x)	                x is None	
assertIsNotNone(x)	        x is not None	
assertIn(a, b)	                a in b	
assertNotIn(a, b)	        a not in b	
assertIsInstance(a, b)	        isinstance(a, b)	
assertNotIsInstance(a, b)	not isinstance(a, b)	

"""

TESTUSERS = {
        'superuser': {
                'username': '[email protected]',
                #'email': '[email protected]',
                'password': '123456'
            },
        'member': {
                'username': '[email protected]',
                #'email': '[email protected]',
                'password': '123456'
            }
    }

class MyTestCase(unittest.TestCase):

    def setUp(self):
        """
        Initialize here.
        Will run on every test.
        
        """
        # initialize the test client
        self.client = Client()

        # If your app needs some user you can create some here or
        # via fixtures. I will create some for login purposes.
        # Create a superuser for backoffice/admin testing
        self._init_superuser()

        # Create a member for frontend/profile testing
        self._init_memberuser()


    def tearDown(self):
        """
        cleanup goes here
        """
        self.client.logout()
        

    # privates
    def _init_superuser(self):
        """
        Initialize test superuser
        """
        try:
            # check to see if our superuser already exist
            self.superuser = User.objects.get(username=TESTUSERS['superuser']['username'])
        except:
            # a DoesNotExist exception is raised, create superuser
            self.superuser = User.objects.create_superuser(
                        username = TESTUSERS['superuser']['username'],
                        email    = TESTUSERS['superuser']['username'],
                        password = TESTUSERS['superuser']['password']
                    )

    def _init_memberuser(self):
        """
        Initialize test member
        """
        try:
            # check to see if our superuser already exist
            self.member = User.objects.get(username=TESTUSERS['member']['username'])
        except:
            # a DoesNotExist exception is raised, create superuser
            self.member = User.objects.create_user(
                        username = TESTUSERS['member']['username'],
                        email    = TESTUSERS['member']['username'],
                        password = TESTUSERS['member']['password']
                    )

    def _login(self, user):
        return self.client.login(
                username = user['username'],
                password = user['password']
            )        

    
    # Testing starts from here #
    # The order of the tests is alphabetical/numerical order.

    def superuser_can_login(self):
        # if user can't login, test will fail
        self.assertTrue(self._login(TESTUSERS['superuser']))

    def memberuser_can_login(self):
        # if user can't login, test will fail
        self.assertTrue(self._login(TESTUSERS['member']))

    def superuser_page_not_restricted(self):
        """
        A sample test for checking if
        superuser is allowed for a certain page        
        """
        is_logged_in = self._login(TESTUSERS['superuser'])

        # this is our message if access is denied
        # i just assumed there is a deny message
        # TODO: if no message, check response status code
        #       or content
        deny_msg = "Access Denied"

        # follow redirect
        # refer to urls.py for the path
        response = self.client.get(
                '/path/',
                follow = True
            )

        # if deny_msg is found in the response content
        # the test will fail
        self.assertTrue(deny_msg in response.content)

    def memberuser_page_restricted(self):
        """
        A sample test for checking if
        memberuser is not allowed for a certain page
        """
        is_logged_in = self._login(TESTUSERS['member'])

        # this is our message if access is denied
        # i just assumed there is a deny message
        # TODO: if no message, check response status code
        #       or content
        deny_msg = "Access Denied"

        # follow redirect
        # refer to urls.py for the path
        response = self.client.get(
                '/path/',
                follow = True
            )

        # if deny_msg is not found in the response content
        # the test will fail
        self.assertFalse(deny_msg in response.content)

    def superuser_create_member(self):
        """
        A sample test to check if
        superuser can create a user
        """
        is_logged_in = self._login(self._login(TESTUSERS['superuser'])

        testuser = '[email protected]'

        # we post a request to create-user
        # that view will create a user
        response = self.client.post(
                '/create-user/',
                {
                    'username': testuser,
                    'password': '123456',
                    'email': testuser
                },
                follow = True
            )

        user = User.objects.filter(username=testuser)
        # If the view failed to create the requested
        # user, user will be None and test will fail
        self.assertIsNotNone(user)