"use strict";
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/**
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* @license
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* Copyright 2019 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var progress_1 = require("./progress");
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describe('util.monitorPromisesProgress', function () {
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it('Default progress from 0 to 1', function (done) {
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var expectFractions = [0.25, 0.50, 0.75, 1.00];
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var fractionList = [];
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var tasks = Array(4).fill(0).map(function () {
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return Promise.resolve();
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});
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progress_1.monitorPromisesProgress(tasks, function (progress) {
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fractionList.push(parseFloat(progress.toFixed(2)));
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}).then(function () {
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expect(fractionList).toEqual(expectFractions);
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done();
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});
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});
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it('Progress with pre-defined range', function (done) {
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var startFraction = 0.2;
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var endFraction = 0.8;
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var expectFractions = [0.35, 0.50, 0.65, 0.80];
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var fractionList = [];
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var tasks = Array(4).fill(0).map(function () {
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return Promise.resolve();
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});
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progress_1.monitorPromisesProgress(tasks, function (progress) {
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fractionList.push(parseFloat(progress.toFixed(2)));
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}, startFraction, endFraction).then(function () {
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expect(fractionList).toEqual(expectFractions);
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done();
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});
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});
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it('throws error when progress fraction is out of range', function () {
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expect(function () {
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var startFraction = -1;
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var endFraction = 1;
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var tasks = Array(4).fill(0).map(function () {
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return Promise.resolve();
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});
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progress_1.monitorPromisesProgress(tasks, function (progress) { }, startFraction, endFraction);
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}).toThrowError();
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});
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it('throws error when startFraction more than endFraction', function () {
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expect(function () {
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var startFraction = 0.8;
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var endFraction = 0.2;
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var tasks = Array(4).fill(0).map(function () {
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return Promise.resolve();
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});
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progress_1.monitorPromisesProgress(tasks, function (progress) { }, startFraction, endFraction);
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}).toThrowError();
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});
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it('throws error when promises is null', function () {
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expect(function () {
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progress_1.monitorPromisesProgress(null, function (progress) { });
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}).toThrowError();
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});
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it('throws error when promises is empty array', function () {
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expect(function () {
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progress_1.monitorPromisesProgress([], function (progress) { });
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}).toThrowError();
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});
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});
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//# sourceMappingURL=progress_test.js.map
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