def test_set_obsm(adata):
    init_hash = joblib.hash(adata)

    dim0_size = np.random.randint(2, adata.shape[0] - 1)
    dim1_size = np.random.randint(1, 99)
    orig_obsm_val = adata.obsm["o"].copy()
    subset_idx = np.random.choice(adata.obs_names, dim0_size, replace=False)

    subset = adata[subset_idx, :]
    assert subset.is_view
    subset.obsm = dict(o=np.ones((dim0_size, dim1_size)))
    assert not subset.is_view
    assert np.all(orig_obsm_val == adata.obsm["o"])  # Checking for mutation
    assert np.all(subset.obsm["o"] == np.ones((dim0_size, dim1_size)))

    subset = adata[subset_idx, :]
    subset_hash = joblib.hash(subset)
    with pytest.raises(ValueError):
        subset.obsm = dict(o=np.ones((dim0_size + 1, dim1_size)))
    with pytest.raises(ValueError):
        subset.varm = dict(o=np.ones((dim0_size - 1, dim1_size)))
    assert subset_hash == joblib.hash(subset)

    # Only modification have been made to a view
    assert init_hash == joblib.hash(adata)
def overview():
    # user and group stats
    banned_users = User.query.filter(
        Group.banned == True,
        Group.id == User.primary_group_id
    ).count()
    if not current_app.config["REDIS_ENABLED"]:
        online_users = User.query.filter(User.lastseen >= time_diff()).count()
    else:
        online_users = len(get_online_users())

    stats = {
        # user stats
        "all_users": User.query.count(),
        "banned_users": banned_users,
        "online_users": online_users,
        "all_groups": Group.query.count(),
        # forum stats
        "report_count": Report.query.count(),
        "topic_count": Topic.query.count(),
        "post_count": Post.query.count(),
        # misc stats
        "plugins": get_all_plugins(),
        "python_version": "%s.%s" % (sys.version_info[0], sys.version_info[1]),
        "flask_version": flask_version,
        "flaskbb_version": flaskbb_version
    }

    return render_template("management/overview.html", **stats)