1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 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 */ 15 16import isPromiseLike from './isPromiseLike'; 17 18function assertPromiseIsRejectedWith(actualPromise, expectedValue) { 19 20 if (!isPromiseLike(actualPromise)) { 21 return Promise.reject().then(function () { 22 }, function () { 23 return {pass: false, message: 'Expected not be called on a promise.'}; 24 }); 25 } 26 27 function tips(passed) { 28 return ('Expected a promise ' + (passed ? 'not ' : '') + 29 'to be rejected with ' + JSON.stringify(expectedValue[0])); 30 } 31 32 const helper = {}; 33 return Promise.race([actualPromise, Promise.resolve(helper)]).then( 34 function (got) { 35 return { 36 pass: false, 37 message: tips(false) + ' but actualValue is ' 38 + (helper === got ? 'isPending' : 'resolve') 39 }; 40 }, 41 function (actualValue) { 42 if (JSON.stringify(actualValue) == JSON.stringify(expectedValue[0])) { 43 return { 44 pass: true, 45 message: 'actualValue was rejected with ' + JSON.stringify(actualValue) + '.' 46 }; 47 } else { 48 return { 49 pass: false, 50 message: tips(false) + ' but it was rejected with ' + JSON.stringify(actualValue) + '.' 51 }; 52 } 53 } 54 ); 55} 56 57export default assertPromiseIsRejectedWith;