xref: /aosp_15_r20/external/perfetto/ui/src/frontend/task_tracker_unittest.ts (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
1// Copyright (C) 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15import {defer} from '../base/deferred';
16import {TaskTracker} from './task_tracker';
17
18test('it starts with no pending tasks', () => {
19  const tracker = new TaskTracker();
20  expect(tracker.hasPendingTasks()).toEqual(false);
21  expect(tracker.progressMessage()).toEqual(undefined);
22});
23
24test('it knows if a task is pending', () => {
25  const tracker = new TaskTracker();
26  const deferred = defer();
27
28  tracker.trackPromise(deferred, 'Some task');
29
30  expect(tracker.hasPendingTasks()).toEqual(true);
31  expect(tracker.progressMessage()).toEqual('Some task (0s)');
32  deferred.resolve();
33});
34