1 files changed, 53 insertions, 0 deletions
diff --git a/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_process_category.js b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_process_category.js
new file mode 100644
index 0000000000..fd7fb9a852
--- /dev/null
+++ b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_process_category.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const CATEGORY_NAME = "Processes";
+const RUNTIME_ID = "test-runtime-id";
+const RUNTIME_DEVICE_NAME = "test device name";
+const RUNTIME_APP_NAME = "TestApp";
+
+// Test whether process category exists by the runtime type.
+add_task(async function () {
+  await pushPref("devtools.aboutdebugging.process-debugging", true);
+
+  const mocks = new Mocks();
+
+  const { document, tab, window } = await openAboutDebugging();
+  await selectThisFirefoxPage(document, window.AboutDebugging.store);
+
+  const usbRuntime = mocks.createUSBRuntime(RUNTIME_ID, {
+    deviceName: RUNTIME_DEVICE_NAME,
+    name: RUNTIME_APP_NAME,
+  });
+  usbRuntime.getMainProcess = () => {
+    return {
+      getTarget: () => {
+        return { actorID: 0 };
+      },
+    };
+  };
+  mocks.emitUSBUpdate();
+
+  info("Check the process category existence for this firefox");
+  ok(
+    !getDebugTargetPane(CATEGORY_NAME, document),
+    "Process category should not display for this firefox"
+  );
+
+  info("Check the process category existence for USB runtime");
+  await connectToRuntime(RUNTIME_DEVICE_NAME, document);
+  await selectRuntime(RUNTIME_DEVICE_NAME, RUNTIME_APP_NAME, document);
+  ok(
+    getDebugTargetPane(CATEGORY_NAME, document),
+    "Process category should display for USB runtime"
+  );
+
+  info("Remove USB runtime");
+  mocks.removeUSBRuntime(RUNTIME_ID);
+  mocks.emitUSBUpdate();
+  await waitUntilUsbDeviceIsUnplugged(RUNTIME_DEVICE_NAME, document);
+
+  await removeTab(tab);
+});