import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/aboutdebugging/test/browser_service_workers_status.js

@@ -0,0 +1,72 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Service workers can't be loaded from chrome://,
+// but http:// is ok with dom.serviceWorkers.testing.enabled turned on.
+const SERVICE_WORKER = URL_ROOT + "service-workers/delay-sw.js";
+const TAB_URL = URL_ROOT + "service-workers/delay-sw.html";
+const SW_TIMEOUT = 2000;
+
+requestLongerTimeout(2);
+
+add_task(function* () {
+  yield SpecialPowers.pushPrefEnv({
+    "set": [
+      // Accept workers from mochitest's http.
+      ["dom.serviceWorkers.enabled", true],
+      ["dom.serviceWorkers.openWindow.enabled", true],
+      ["dom.serviceWorkers.testing.enabled", true],
+      // Reduce the timeout to expose issues when service worker
+      // freezing is broken
+      ["dom.serviceWorkers.idle_timeout", SW_TIMEOUT],
+      ["dom.serviceWorkers.idle_extended_timeout", SW_TIMEOUT],
+      ["dom.ipc.processCount", 1],
+    ]
+  });
+
+  let { tab, document } = yield openAboutDebugging("workers");
+
+  // Listen for mutations in the service-workers list.
+  let serviceWorkersElement = getServiceWorkerList(document);
+  let onMutation = waitForMutation(serviceWorkersElement, { childList: true });
+
+  let swTab = yield addTab(TAB_URL);
+
+  info("Make the test page notify us when the service worker sends a message.");
+
+  // Wait for the service-workers list to update.
+  yield onMutation;
+
+  // Check that the service worker appears in the UI
+  let names = [...document.querySelectorAll("#service-workers .target-name")];
+  let name = names.filter(element => element.textContent === SERVICE_WORKER)[0];
+  ok(name, "Found the service worker in the list");
+
+  let targetElement = name.parentNode.parentNode;
+  let status = targetElement.querySelector(".target-status");
+  is(status.textContent, "Registering", "Service worker is currently registering");
+
+  yield waitForMutation(serviceWorkersElement, { childList: true, subtree: true });
+  is(status.textContent, "Running", "Service worker is currently running");
+
+  yield waitForMutation(serviceWorkersElement, { attributes: true, subtree: true });
+  is(status.textContent, "Stopped", "Service worker is currently stopped");
+
+  try {
+    yield unregisterServiceWorker(swTab, serviceWorkersElement);
+    ok(true, "Service worker unregistered");
+  } catch (e) {
+    ok(false, "Service worker not unregistered; " + e);
+  }
+
+  // Check that the service worker disappeared from the UI
+  names = [...document.querySelectorAll("#service-workers .target-name")];
+  names = names.map(element => element.textContent);
+  ok(!names.includes(SERVICE_WORKER),
+    "The service worker url is no longer in the list: " + names);
+
+  yield removeTab(swTab);
+  yield closeAboutDebugging(tab);
+});