45 lines
1.1 KiB
TypeScript
45 lines
1.1 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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interface ErrorLikeConstructor {
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new (): Error;
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}
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/**
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* Node.js v8.x and browser compatible `assert.rejects`.
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*/
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export async function assertRejects(
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actual: any,
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expected: RegExp | ErrorLikeConstructor
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) {
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let rejected;
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try {
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if (typeof actual === 'function') {
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await actual();
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} else {
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await actual;
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}
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} catch (err) {
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rejected = true;
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assert.throws(() => {
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throw err;
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}, expected);
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}
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assert.ok(rejected, 'Promise not rejected');
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}
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