1 files changed, 45 insertions, 0 deletions
diff --git a/devtools/client/application/test/browser/browser_application_panel_telemetry-start-worker.js b/devtools/client/application/test/browser/browser_application_panel_telemetry-start-worker.js
new file mode 100644
index 0000000000..235ce3060d
--- /dev/null
+++ b/devtools/client/application/test/browser/browser_application_panel_telemetry-start-worker.js
@@ -0,0 +1,45 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TAB_URL = URL_ROOT + "resources/service-workers/simple.html";
+
+// check telemetry for starting a service worker
+add_task(async function () {
+  info("Set a low service worker idle timeout");
+  await pushPref("dom.serviceWorkers.idle_timeout", 1000);
+  await pushPref("dom.serviceWorkers.idle_extended_timeout", 1000);
+
+  await enableApplicationPanel();
+
+  const { panel, tab, commands } = await openNewTabAndApplicationPanel(TAB_URL);
+  const doc = panel.panelWin.document;
+
+  selectPage(panel, "service-workers");
+  await waitForWorkerRegistration(tab);
+
+  setupTelemetryTest();
+
+  info("Wait until the service worker appears in the application panel");
+  await waitUntil(() => getWorkerContainers(doc).length === 1);
+
+  info("Wait until the start button is displayed and enabled");
+  const container = getWorkerContainers(doc)[0];
+  await waitUntil(() => {
+    const button = container.querySelector(".js-start-button");
+    return button && !button.disabled;
+  });
+
+  info("Click the start button");
+  const button = container.querySelector(".js-start-button");
+  button.click();
+
+  checkTelemetryEvent({ method: "start_worker" });
+
+  // clean up and close the tab
+  await unregisterAllWorkers(commands.client, doc);
+  info("Closing the tab.");
+  await commands.client.waitForRequestsToSettle();
+  await BrowserTestUtils.removeTab(tab);
+});