def test_view_mixin_copies_data(adata, array_type: type, attr):
    N = 100
    adata = ad.AnnData(
        obs=pd.DataFrame(index=np.arange(N)), var=pd.DataFrame(index=np.arange(N))
    )

    X = array_type(sparse.eye(N, N).multiply(np.arange(1, N + 1)))
    if attr == "X":
        adata.X = X
    else:
        getattr(adata, attr)["arr"] = X

    view = adata[:50]

    if attr == "X":
        arr_view = view.X
    else:
        arr_view = getattr(view, attr)["arr"]

    arr_view_copy = arr_view.copy()

    if sparse.issparse(X):
        assert not np.shares_memory(arr_view.indices, arr_view_copy.indices)
        assert not np.shares_memory(arr_view.indptr, arr_view_copy.indptr)
        assert not np.shares_memory(arr_view.data, arr_view_copy.data)

        arr_view_copy.data[0] = -5
        assert not np.array_equal(arr_view_copy.data, arr_view.data)
    else:
        assert not np.shares_memory(arr_view, arr_view_copy)

        arr_view_copy[0, 0] = -5
        assert not np.array_equal(arr_view_copy, arr_view)
def test_projects(self):
        # Get a normal user
        user = User.objects.get(username="testuser")
        self.assertFalse(user.is_superuser)

        # Create a new project
        p = Project.objects.create(owner=user, name="test")

        # Have the proper permissions been set?
        self.assertTrue(user.has_perm("view_project", p))
        self.assertTrue(user.has_perm("add_project", p))
        self.assertTrue(user.has_perm("change_project", p))
        self.assertTrue(user.has_perm("delete_project", p))

        # Get a superuser
        superUser = User.objects.get(username="testsuperuser")
        self.assertTrue(superUser.is_superuser)

        # He should also have permissions, although not explicitly set
        self.assertTrue(superUser.has_perm("delete_project", p))

        # Get another user
        anotherUser = User.objects.get(username="testuser2")
        self.assertFalse(anotherUser.is_superuser)

        # Should not have permission
        self.assertFalse(anotherUser.has_perm("delete_project", p))