Monday, June 23, 2014

Re: unit test:AssertionError: False is not true

Hi Russ,

Thank you very much for your advice. 
I'll look into debugging and see how to resolve it:)

Many thanks,
Kim


On 2014年6月23日 at 11:54:39, Russell Keith-Magee (russell@keith-magee.com) wrote:

Hi Kim,

It seems to me that the error messages you're getting are pretty clear - you're asserting that certain content exists, and it doesn't. 

I can think of any number of reasons that this might be happening, ranging from a broken template, a mistake in URL resolution, a failed login, to unexpected interactions with the template escaping system. However, without the full code for your system under test, it's impossible to say for certain.

However, it shouldn't be that hard to debug on your own. The test is failing because the content you expect isn't what you expected -- so what content *is* being returned? You can, for example, just print the content of response.content. Pick one of the tests, output response.content, and see what you're getting. That will tell you what the web server is doing, and will give you an indication of what is going wrong.

Yours
Russ Magee %-)

On Mon, Jun 23, 2014 at 9:28 AM, Kim <kimitaka01@gmail.com> wrote:
Anyone? Help!

2014年6月21日土曜日 19時29分26秒 UTC+9 Kim:
Hi everyone, 

I am making my blog from this tutorial: http://matthewdaly.co.uk/blog/2013/12/28/django-blog-tutorial-the-next-generation-part-1/.
But I am continuously getting the AssertionError messages:

-------
$ python manage.py test
Creating test database for alias 'default'...
..FFFFF
======================================================================
FAIL: test_delete_post (blogengine.tests.AdminTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/Desktop/Python/1.7/src/blogengine/tests.py", line 157, in test_delete_post
    self.assertTrue('deleted successfully' in response.content)
AssertionError: False is not true

======================================================================
FAIL: test_edit_post (blogengine.tests.AdminTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/Desktop/Python/1.7/src/blogengine/tests.py", line 126, in test_edit_post
    self.assertTrue('changed successfully' in response.content)
AssertionError: False is not true

======================================================================
FAIL: test_login (blogengine.tests.AdminTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/Desktop/Python/1.7/src/blogengine/tests.py", line 44, in test_login
    self.assertTrue('Log in' in response.content)
AssertionError: False is not true

======================================================================
FAIL: test_logout (blogengine.tests.AdminTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/Desktop/Python/1.7/src/blogengine/tests.py", line 65, in test_logout
    self.assertTrue('Log out' in response.content)
AssertionError: False is not true

======================================================================
FAIL: test_index (blogengine.tests.PostViewTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/Desktop/Python/1.7/src/blogengine/tests.py", line 184, in test_index
    self.assertTrue(post.title in response.content)
AssertionError: False is not true

----------------------------------------------------------------------
Ran 7 tests in 1.011s

FAILED (failures=5)
Destroying test database for alias 'default'...
-----

My test.py code is below:

----
from django.test import TestCase, LiveServerTestCase, Client
from django.utils import timezone
from .models import Post

class PostTest(TestCase):
    def test_create_post(self):
        # Create the post
        post = Post()

        post.title = 'My first post'
        post.text = 'This is my first blog post'
        post.pub_date = timezone.now()

        post.save()

        all_posts = Post.objects.all()
        self.assertEquals(len(all_posts), 1)
        only_post = all_posts[0]
        self.assertEquals(only_post, post)

        self.assertEquals(only_post.title, 'My first post')
        self.assertEquals(only_post.text, 'This is my first blog post')
        self.assertEquals(only_post.pub_date.day, post.pub_date.day)
        self.assertEquals(only_post.pub_date.month, post.pub_date.month)
        self.assertEquals(only_post.pub_date.year, post.pub_date.year)
        self.assertEquals(only_post.pub_date.hour, post.pub_date.hour)
        self.assertEquals(only_post.pub_date.minute, post.pub_date.minute)
        self.assertEquals(only_post.pub_date.second, post.pub_date.second)

class AdminTest(LiveServerTestCase):
    fixtures = ['users.json']

    def setUp(self):
        self.client = Client()

    def test_login(self):
        # Get login page
        response = self.client.get('/admin/')

        # Check response code
        self.assertEquals(response.status_code, 302)

        # Check 'Log in' in response
        self.assertTrue('Log in' in response.content)

        # Log the user in
        self.client.login(username='bobsmith', password="password")

        # Check response code
        response = self.client.get('/admin/')
        self.assertEquals(response.status_code, 200)

        # Check 'Log out' in response
        self.assertTrue('Log out' in response.content)

    def test_logout(self):
        # Log in
        self.client.login(username='bobsmith', password="password")

        # Check response code
        response = self.client.get('/admin/')
        self.assertEquals(response.status_code, 302)

        # Check 'Log out' in response
        self.assertTrue('Log out' in response.content)

        # Log out
        self.client.logout()

        # Check response code
        response = self.client.get('/admin/')
        self.assertEquals(response.status_code, 200)

        # Check 'Log in' in response
        self.assertTrue('Log in' in response.content)

    def test_create_post(self):
    # Log in
        self.client.login(username='bobsmith', password="password")

        # Check response code
        response = self.client.get('/admin/blogengine/post/add/')
        self.assertEquals(response.status_code, 200)

        # Create the new post
        response = self.client.post('/admin/blogengine/post/add/', {
            'title': 'My first post',
            'text': 'This is my first post',
            'pub_date_0': '2013-12-28',
            'pub_date_1': '22:00:04'
        },
        follow=True
        )
        self.assertEquals(response.status_code, 200)

        # Check added successfully
        self.assertTrue('added successfully' in response.content)

        # Check new post now in database
        all_posts = Post.objects.all()
        self.assertEquals(len(all_posts), 1)

    def test_edit_post(self):
        # Create the post
        post = Post()
        post.title = 'My first post'
        post.text = 'This is my first blog post'
        post.pub_date = timezone.now()
        post.save()

        # Log in
        self.client.login(username='bobsmith', password="password")

        # Edit the post
        response = self.client.post('/admin/blogengine/post/1/', {
            'title': 'My second post',
            'text': 'This is my second blog post',
            'pub_date_0': '2013-12-28',
            'pub_date_1': '22:00:04'
        },
        follow=True
        )
        self.assertEquals(response.status_code, 200)

        # Check changed successfully
        self.assertTrue('changed successfully' in response.content)

        # Check post amended
        all_posts = Post.objects.all()
        self.assertEquals(len(all_posts), 1)
        only_post = all_posts[0]
        self.assertEquals(only_post.title, 'My second post')
        self.assertEquals(only_post.text, 'This is my second blog post')

    def test_delete_post(self):
        # Create the post
        post = Post()
        post.title = 'My first post'
        post.text = 'This is my first blog post'
        post.pub_date = timezone.now()
        post.save()

        # Check new post saved
        all_posts = Post.objects.all()
        self.assertEquals(len(all_posts), 1)

        # Log in
        self.client.login(username='bobsmith', password="password")

        # Delete the post
        response = self.client.post('/admin/blogengine/post/1/delete/', {
            'post': 'yes'
        }, follow=True)
        self.assertEquals(response.status_code, 200)

        # Check deleted successfully
        self.assertTrue('deleted successfully' in response.content)

        # Check post amended
        all_posts = Post.objects.all()
        self.assertEquals(len(all_posts), 0)

class PostViewTest(LiveServerTestCase):
    def setUp(self):
        self.client = Client()

    def test_index(self):
        # Create the post
        post = Post()
        post.title = 'My first post'
        post.text = 'This is my first blog post'
        post.pub_date = timezone.now()
        post.save()

        # Check new post saved
        all_posts = Post.objects.all()
        self.assertEquals(len(all_posts), 1)

        # Fetch the index
        response = self.client.get('/')
        self.assertEquals(response.status_code, 200)

        # Check the post title is in the response
        self.assertTrue(post.title in response.content)

        # Check the post text is in the response
        self.assertTrue(post.text in response.content)

        # Check the post date is in the response
        self.assertTrue(str(post.pub_date.year) in response.content)
        self.assertTrue(post.pub_date.strftime('%b') in response.content)
        self.assertTrue(str(post.pub_date.day) in response.content)
-----

Could anyone know what's wrong?

Thanks,
Kim
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