| // META: script=/service-workers/service-worker/resources/test-helpers.sub.js |
| // META: script=resources/utils.js |
| 'use strict'; |
| |
| // Covers basic functionality provided by BackgroundFetchManager.abort(). |
| // https://wicg.github.io/background-fetch/#background-fetch-registration-abort |
| |
| backgroundFetchTest(async (test, backgroundFetch) => { |
| const registration = await backgroundFetch.fetch( |
| uniqueId(), |
| ['resources/feature-name.txt', '/common/slow.py']); |
| |
| assert_true(await registration.abort()); |
| assert_false(await registration.abort()); |
| |
| }, 'Aborting the same registration twice fails'); |
| |
| backgroundFetchTest(async (test, backgroundFetch) => { |
| const registration = await backgroundFetch.fetch( |
| uniqueId(), |
| ['resources/feature-name.txt', '/common/slow.py']); |
| |
| await new Promise(resolve => { |
| let aborted = false; |
| const expectedResultText = 'Background Fetch'; |
| |
| registration.onprogress = async event => { |
| if (event.target.downloaded < expectedResultText.length) |
| return; |
| |
| if (aborted) |
| return; |
| |
| // Abort after the first file has been downloaded and check the results. |
| |
| aborted = true; |
| assert_true(await registration.abort()); |
| |
| const {type, eventRegistration, results} = await getMessageFromServiceWorker(); |
| |
| assert_equals(eventRegistration.result, 'failure'); |
| assert_equals(eventRegistration.failureReason, 'aborted'); |
| assert_equals(registration.result, 'failure'); |
| assert_equals(registration.failureReason, 'aborted'); |
| |
| assert_equals(type, 'backgroundfetchabort'); |
| |
| assert_equals(results.length, 2); |
| |
| const completedResult = results[0] || results[1]; |
| // The abort might have gone through before the first result was persisted. |
| if (completedResult) { |
| assert_true(completedResult.url.includes('resources/feature-name.txt')); |
| assert_equals(completedResult.status, 200); |
| assert_equals(completedResult.text, expectedResultText); |
| } |
| |
| resolve(); |
| }; |
| }); |
| |
| }, 'Calling BackgroundFetchRegistration.abort sets the correct fields and responses are still available'); |
| |
| backgroundFetchTest(async (test, backgroundFetch) => { |
| const registration = await backgroundFetch.fetch( |
| uniqueId(), '/common/slow.py'); |
| assert_true(await registration.abort()); |
| |
| const {results} = await getMessageFromServiceWorker(); |
| assert_equals(results.length, 1); |
| assert_false(results[0].response); |
| assert_equals(results[0].name, 'AbortError'); |
| |
| }, 'An aborted fetch throws a DOM exception when accessing an incomplete record', 'sw-abort.js'); |