def test_modify_view_component(matrix_type, mapping_name):
    adata = ad.AnnData(
        np.zeros((10, 10)),
        **{mapping_name: dict(m=matrix_type(asarray(sparse.random(10, 10))))},
    )
    init_hash = joblib.hash(adata)

    subset = adata[:5, :][:, :5]
    assert subset.is_view
    m = getattr(subset, mapping_name)["m"]
    m[0, 0] = 100
    assert not subset.is_view
    assert getattr(subset, mapping_name)["m"][0, 0] == 100

    assert init_hash == joblib.hash(adata)
def test_user_login(self):
        c = Client()
        # User points the browser to the landing page
        res = c.post('/', follow=True)

        # the user is not logged in
        self.assertFalse(res.context['user'].is_authenticated)
        # and is redirected to the login page
        self.assertRedirects(res, '/login/')

        # The login page is being rendered by the correct template
        self.assertTemplateUsed(res, 'registration/login.html')

        # asks the user to login using a set of valid credentials
        res = c.post('/login/', data=self.credentials, follow=True)

        # The system acknowledges him
        self.assertTrue(res.context['user'].is_authenticated)

        # and moves him at the dashboard
        self.assertTemplateUsed(res, 'app/dashboard.html')