def test_layers_view():
    X = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
    L = np.array([[10, 11, 12], [13, 14, 15], [16, 17, 18]])
    real_adata = ad.AnnData(X)
    real_adata.layers["L"] = L
    view_adata = real_adata[1:, 1:]
    real_hash = joblib.hash(real_adata)
    view_hash = joblib.hash(view_adata)

    assert view_adata.is_view

    with pytest.raises(ValueError):
        view_adata.layers["L2"] = L + 2

    assert view_adata.is_view  # Failing to set layer item makes adata not view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash == joblib.hash(view_adata)

    view_adata.layers["L2"] = L[1:, 1:] + 2

    assert not view_adata.is_view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash != joblib.hash(view_adata)
def test_get_task_is_watcher(client):
    user = f.UserFactory.create()
    task = f.create_task(owner=user, milestone=None)
    f.MembershipFactory.create(project=task.project, user=user, is_admin=True)
    url_detail = reverse("tasks-detail", args=(task.id,))
    url_watch = reverse("tasks-watch", args=(task.id,))
    url_unwatch = reverse("tasks-unwatch", args=(task.id,))

    client.login(user)

    response = client.get(url_detail)
    assert response.status_code == 200
    assert response.data['watchers'] == []
    assert response.data['is_watcher'] == False

    response = client.post(url_watch)
    assert response.status_code == 200

    response = client.get(url_detail)
    assert response.status_code == 200
    assert response.data['watchers'] == [user.id]
    assert response.data['is_watcher'] == True

    response = client.post(url_unwatch)
    assert response.status_code == 200

    response = client.get(url_detail)
    assert response.status_code == 200
    assert response.data['watchers'] == []
    assert response.data['is_watcher'] == False