1 files changed, 50 insertions, 0 deletions
diff --git a/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_sidebar_usb_status.js b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_sidebar_usb_status.js
new file mode 100644
index 0000000000..e67cde31bb
--- /dev/null
+++ b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_sidebar_usb_status.js
@@ -0,0 +1,50 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const {
+  adbAddon,
+} = require("resource://devtools/client/shared/remote-debugging/adb/adb-addon.js");
+
+/**
+ * This test asserts that the sidebar shows a message describing the status of the USB
+ * devices scanning.
+ */
+add_task(async function () {
+  const mocks = new Mocks();
+
+  await pushPref(
+    "devtools.remote.adb.extensionURL",
+    CHROME_URL_ROOT + "resources/test-adb-extension/adb-extension-#OS#.xpi"
+  );
+  const { document, tab } = await openAboutDebugging();
+
+  const usbStatusElement = document.querySelector(".qa-sidebar-usb-status");
+  ok(usbStatusElement, "Sidebar shows the USB status element");
+  ok(
+    usbStatusElement.textContent.includes("USB disabled"),
+    "USB status element has 'disabled' content"
+  );
+
+  info("Install the adb extension and wait for the message to udpate");
+  // Use "internal" as the install source to avoid triggering telemetry.
+  adbAddon.install("internal");
+  // When using mocks, we manually control the .start() call
+  await mocks.adbProcessMock.adbProcess.start();
+
+  info("Wait till the USB status element has 'enabled' content");
+  await waitUntil(() => {
+    const el = document.querySelector(".qa-sidebar-usb-status");
+    return el.textContent.includes("USB enabled");
+  });
+
+  info("Uninstall the adb extension and wait for USB status element to update");
+  adbAddon.uninstall();
+  await waitUntil(() => {
+    const el = document.querySelector(".qa-sidebar-usb-status");
+    return el.textContent.includes("USB disabled");
+  });
+
+  await removeTab(tab);
+});