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 35