Bug 1500397 - Add test for service worker unregister in new aboutdebugging;r=daisuke

Depends on D17642

Differential Revision: https://phabricator.services.mozilla.com/D17643

--HG--
extra : moz-landing-system : lando

devtools/client/aboutdebugging-new/test/browser/browser.ini

@@ -59,6 +59,7 @@ skip-if = (os == "win" && ccov) # Bug 1521349
 [browser_aboutdebugging_serviceworker_start.js]
 [browser_aboutdebugging_serviceworker_status.js]
 [browser_aboutdebugging_serviceworker_timeout.js]
+[browser_aboutdebugging_serviceworker_unregister.js]
 [browser_aboutdebugging_sidebar_network_runtimes.js]
 [browser_aboutdebugging_sidebar_usb_runtime.js]
 [browser_aboutdebugging_sidebar_usb_runtime_connect.js]

devtools/client/aboutdebugging-new/test/browser/browser_aboutdebugging_serviceworker_status.js

@@ -29,7 +29,8 @@ add_task(async function() {
   await waitForServiceWorkerRegistering(SW_URL, document);
 
   // Check that the buttons are displayed as expected.
-  checkButtons({ inspect: true, push: false, start: false }, SW_URL, document);
+  checkButtons({ inspect: true, push: false, start: false, unregister: false },
+    SW_URL, document);
 
   info("Install the service worker");
   ContentTask.spawn(swTab.linkedBrowser, {},
@@ -38,7 +39,8 @@ add_task(async function() {
   info("Wait until the service worker is running");
   await waitForServiceWorkerRunning(SW_URL, document);
 
-  checkButtons({ inspect: true, push: true, start: false }, SW_URL, document);
+  checkButtons({ inspect: true, push: true, start: false, unregister: true },
+    SW_URL, document);
 
   info("Unregister service worker");
   await unregisterServiceWorker(swTab);
@@ -51,12 +53,13 @@ add_task(async function() {
   await removeTab(tab);
 });
 
-function checkButtons({ inspect, push, start }, workerText, document) {
+function checkButtons({ inspect, push, start, unregister }, workerText, document) {
   const targetElement = findDebugTargetByText(SW_URL, document);
 
   const inspectButton = targetElement.querySelector(".js-debug-target-inspect-button");
   const pushButton = targetElement.querySelector(".js-push-button");
   const startButton = targetElement.querySelector(".js-start-button");
+  const unregisterButton = targetElement.querySelector(".js-unregister-button");
 
   is(!!inspectButton, inspect,
     "Inspect button should be " + (inspect ? "visible" : "hidden"));
@@ -64,4 +67,6 @@ function checkButtons({ inspect, push, start }, workerText, document) {
     "Push button should be " + (push ? "visible" : "hidden"));
   is(!!startButton, start,
     "Start button should be " + (start ? "visible" : "hidden"));
+  is(!!unregisterButton, unregister,
+    "Unregister button should be " + (unregister ? "visible" : "hidden"));
 }

devtools/client/aboutdebugging-new/test/browser/browser_aboutdebugging_serviceworker_unregister.js

@@ -0,0 +1,43 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/* import-globals-from helper-serviceworker.js */
+Services.scriptloader.loadSubScript(CHROME_URL_ROOT + "helper-serviceworker.js", this);
+
+const SW_TAB_URL = URL_ROOT + "resources/service-workers/empty-sw.html";
+const SW_URL = URL_ROOT + "resources/service-workers/empty-sw.js";
+
+// This is a migration from:
+// https://searchfox.org/mozilla-central/source/devtools/client/aboutdebugging/test/browser_service_workers_unregister.js
+
+/**
+ * Test that service workers can be started using about:debugging.
+ */
+add_task(async function() {
+  await enableServiceWorkerDebugging();
+
+  const { document, tab } = await openAboutDebugging();
+
+  // Open a tab that registers a basic service worker.
+  const swTab = await addTab(SW_TAB_URL);
+
+  info("Wait until the service worker appears and is running");
+  const targetElement = await waitForServiceWorkerRunning(SW_URL, document);
+
+  // Retrieve the Start button for the worker.
+  const unregisterButton = targetElement.querySelector(".js-unregister-button");
+  ok(unregisterButton, "Found its unregister button");
+
+  info("Click on the unregister button and wait for the service worker to disappear");
+  unregisterButton.click();
+  await waitUntil(() => !findDebugTargetByText(SW_URL, document));
+
+  const hasServiceWorkerTarget = !!findDebugTargetByText(SW_URL, document);
+  ok(!hasServiceWorkerTarget, "Service worker was successfully unregistered");
+
+  info("Remove tabs");
+  await removeTab(swTab);
+  await removeTab(tab);
+});