1 files changed, 87 insertions, 0 deletions
diff --git a/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_process_main.js b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_process_main.js
new file mode 100644
index 0000000000..bd88545d58
--- /dev/null
+++ b/devtools/client/aboutdebugging/test/browser/browser_aboutdebugging_process_main.js
@@ -0,0 +1,87 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/* import-globals-from helper-collapsibilities.js */
+Services.scriptloader.loadSubScript(
+  CHROME_URL_ROOT + "helper-collapsibilities.js",
+  this
+);
+
+const MULTIPROCESS_TOOLBOX_NAME = "Multiprocess Toolbox";
+const MULTIPROCESS_TOOLBOX_DESCRIPTION =
+  "Main Process and Content Processes for the target browser";
+
+const RUNTIME_ID = "test-runtime-id";
+const RUNTIME_DEVICE_NAME = "test device name";
+const RUNTIME_APP_NAME = "TestApp";
+
+// Test for main process.
+add_task(async function () {
+  await pushPref("devtools.aboutdebugging.process-debugging", true);
+  const mocks = new Mocks();
+
+  const { document, tab, window } = await openAboutDebugging();
+
+  const usbRuntime = mocks.createUSBRuntime(RUNTIME_ID, {
+    deviceName: RUNTIME_DEVICE_NAME,
+    name: RUNTIME_APP_NAME,
+  });
+
+  // Note: about:debugging assumes that the main process has the id 0 and will
+  // rely on it to create the about:devtools-toolbox URL.
+  // Only check that about:debugging doesn't create a target unnecessarily.
+  usbRuntime.getMainProcess = () => {
+    return {
+      getTarget: () => {
+        ok(false, "about:debugging should not create the main process target");
+      },
+    };
+  };
+  mocks.emitUSBUpdate();
+
+  info("Select USB runtime");
+  await connectToRuntime(RUNTIME_DEVICE_NAME, document);
+  await selectRuntime(RUNTIME_DEVICE_NAME, RUNTIME_APP_NAME, document);
+
+  info("Check debug target item of the main process");
+  await waitUntil(() =>
+    findDebugTargetByText(MULTIPROCESS_TOOLBOX_NAME, document)
+  );
+  const mainProcessItem = findDebugTargetByText(
+    MULTIPROCESS_TOOLBOX_NAME,
+    document
+  );
+  ok(mainProcessItem, "Debug target item of the main process should display");
+  ok(
+    mainProcessItem.textContent.includes(MULTIPROCESS_TOOLBOX_DESCRIPTION),
+    "Debug target item of the main process should contains the description"
+  );
+
+  info("Inspect main process");
+  const { devtoolsTab, devtoolsWindow } = await openAboutDevtoolsToolbox(
+    document,
+    tab,
+    window,
+    MULTIPROCESS_TOOLBOX_NAME,
+    false
+  );
+
+  const url = new window.URL(devtoolsWindow.location.href);
+  const type = url.searchParams.get("type");
+  is(type, "process", "Correct type argument");
+  const remoteID = url.searchParams.get("remoteId");
+  is(remoteID, `${RUNTIME_ID}-usb`, "Correct remote runtime id");
+
+  info("Remove USB runtime");
+  mocks.removeUSBRuntime(RUNTIME_ID);
+  mocks.emitUSBUpdate();
+  await waitUntilUsbDeviceIsUnplugged(RUNTIME_DEVICE_NAME, document);
+
+  // Note that we can't use `closeAboutDevtoolsToolbox` because the toolbox init
+  // is expected to fail, and we are redirected to the error page.
+  await removeTab(devtoolsTab);
+  await waitUntil(() => !findDebugTargetByText("Toolbox - ", document));
+  await removeTab(tab);
+});