Update web-platform-tests to revision d647a1bc742a533186d8297cae2a2bee669c7780

tests/wpt/web-platform-tests/background-fetch/abort.https.window.js

@@ -0,0 +1,59 @@
+// 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', '/serviceworker/resources/slow-response.php']);
+
+  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', '/serviceworker/resources/slow-response.php']);
+
+  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');
+
+      // The abort might have gone through before the first result was persisted.
+      if (results.length === 1) {
+        assert_true(results[0].url.includes('resources/feature-name.txt'));
+        assert_equals(results[0].status, 200);
+        assert_equals(results[0].text, expectedResultText);
+      }
+
+      resolve();
+    };
+  });
+
+}, 'Calling BackgroundFetchRegistration.abort sets the correct fields and responses are still available');