87 lines
3.2 KiB
JavaScript
87 lines
3.2 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Copyright 2020 The Matrix.org Foundation C.I.C.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 {ConnectionError} from "../matrix/error.js";
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export function abortOnTimeout(createTimeout, timeoutAmount, requestResult, responsePromise) {
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const timeout = createTimeout(timeoutAmount);
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// abort request if timeout finishes first
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let timedOut = false;
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timeout.elapsed().then(
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() => {
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timedOut = true;
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requestResult.abort();
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},
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() => {} // ignore AbortError when timeout is aborted
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);
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// abort timeout if request finishes first
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return responsePromise.then(
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response => {
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timeout.abort();
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return response;
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},
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err => {
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timeout.abort();
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// map error to TimeoutError
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if (err.name === "AbortError" && timedOut) {
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throw new ConnectionError(`Request timed out after ${timeoutAmount}ms`, true);
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} else {
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throw err;
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}
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}
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);
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}
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// because impunity only takes one entrypoint currently,
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// these tests aren't run by yarn test as that does not
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// include platform specific code,
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// and this file is only included by platform specific code,
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// see how to run in package.json and replace src/main.js with this file.
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import {Clock as MockClock} from "../mocks/Clock.js";
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import {Request as MockRequest} from "../mocks/Request.js";
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import {AbortError} from "../matrix/error.js";
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export function tests() {
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return {
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"ConnectionError on timeout": async assert => {
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const clock = new MockClock();
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const request = new MockRequest();
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const promise = abortOnTimeout(clock.createTimeout, 10000, request, request.response());
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clock.elapse(10000);
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await assert.rejects(promise, ConnectionError);
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assert(request.aborted);
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},
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"Abort is canceled once response resolves": async assert => {
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const clock = new MockClock();
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const request = new MockRequest();
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const promise = abortOnTimeout(clock.createTimeout, 10000, request, request.response());
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request.resolve(5);
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clock.elapse(10000);
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assert(!request.aborted);
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assert.equal(await promise, 5);
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},
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"AbortError from request is not mapped to ConnectionError": async assert => {
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const clock = new MockClock();
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const request = new MockRequest();
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const promise = abortOnTimeout(clock.createTimeout, 10000, request, request.response());
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request.reject(new AbortError());
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assert(!request.aborted);
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assert.rejects(promise, AbortError);
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}
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}
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}
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