42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
/*
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* Copyright The OpenTelemetry Authors
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*
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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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* https://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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import * as assert from 'assert';
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import { Deferred } from '../../../src/utils/promise';
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import { assertRejects } from '../../test-utils';
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describe('promise', () => {
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describe('Deferred', () => {
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it('should resolve', async () => {
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const deferred = new Deferred();
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deferred.resolve(1);
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deferred.resolve(2);
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deferred.reject(new Error('foo'));
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const ret = await deferred.promise;
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assert.strictEqual(ret, 1);
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});
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it('should reject', async () => {
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const deferred = new Deferred();
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deferred.reject(new Error('foo'));
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deferred.reject(new Error('bar'));
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await assertRejects(deferred.promise, /foo/);
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});
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});
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});
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