1 files changed, 64 insertions, 0 deletions
diff --git a/testing/web-platform/tests/background-fetch/get.https.window.js b/testing/web-platform/tests/background-fetch/get.https.window.js
new file mode 100644
index 0000000000..d4448d184a
--- /dev/null
+++ b/testing/web-platform/tests/background-fetch/get.https.window.js
@@ -0,0 +1,64 @@
+// META: script=/service-workers/service-worker/resources/test-helpers.sub.js
+// META: script=resources/utils.js
+'use strict';
+
+// Covers functionality provided by BackgroundFetchManager.get(), which
+// exposes the keys of active background fetches.
+//
+// https://wicg.github.io/background-fetch/#background-fetch-manager-get
+
+promise_test(async test => {
+  const script = 'service_workers/sw.js';
+  const scope = 'service_workers/' + location.pathname;
+
+  const serviceWorkerRegistration =
+      await service_worker_unregister_and_register(test, script, scope);
+
+  assert_equals(
+      serviceWorkerRegistration.active, null,
+      'There must not be an activated worker');
+
+  const registration = await serviceWorkerRegistration.backgroundFetch.get('x');
+  assert_equals(registration, undefined);
+
+}, 'BackgroundFetchManager.get() does not require an activated worker');
+
+backgroundFetchTest(async (test, backgroundFetch) => {
+  // The |id| parameter to the BackgroundFetchManager.get() method is required.
+  await promise_rejects_js(test, TypeError, backgroundFetch.get());
+  await promise_rejects_js(test, TypeError, backgroundFetch.get(''));
+
+  const registration = await backgroundFetch.get('my-id');
+  assert_equals(registration, undefined);
+
+}, 'Getting non-existing registrations yields `undefined`');
+
+backgroundFetchTest(async (test, backgroundFetch) => {
+  const registrationId = uniqueId();
+  const registration = await backgroundFetch.fetch(
+      registrationId, 'resources/feature-name.txt', {downloadTotal: 1234});
+
+  assert_equals(registration.id, registrationId);
+  assert_equals(registration.uploadTotal, 0);
+  assert_equals(registration.uploaded, 0);
+  assert_equals(registration.downloadTotal, 1234);
+  assert_equals(registration.result, '');
+  assert_equals(registration.failureReason, '');
+  assert_true(registration.recordsAvailable);
+  // Skip `downloaded`, as the transfer may have started already.
+
+  const secondRegistration = await backgroundFetch.get(registrationId);
+  assert_not_equals(secondRegistration, null);
+
+  assert_equals(secondRegistration.id, registration.id);
+  assert_equals(secondRegistration.uploadTotal, registration.uploadTotal);
+  assert_equals(secondRegistration.uploaded, registration.uploaded);
+  assert_equals(secondRegistration.downloadTotal, registration.downloadTotal);
+  assert_equals(secondRegistration.failureReason, registration.failureReason);
+  assert_equals(secondRegistration.recordsAvailable, registration.recordsAvailable);
+
+  // While the transfer might have started, both BackgroundFetchRegistration
+  // objects should have the latest progress values.
+  assert_equals(secondRegistration.downloaded, registration.downloaded);
+
+}, 'Getting an existing registration has the expected values');