1 files changed, 106 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_ws-messages-navigation.js b/devtools/client/netmonitor/test/browser_net_ws-messages-navigation.js
new file mode 100644
index 0000000000..4555dc27eb
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_ws-messages-navigation.js
@@ -0,0 +1,106 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Test that WS messages can be navigated between using the keyboard.
+ */
+
+add_task(async function () {
+  const { tab, monitor } = await initNetMonitor(WS_PAGE_URL, {
+    requestCount: 1,
+  });
+  info("Starting test... ");
+
+  const { document, store, windowRequire } = monitor.panelWin;
+  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
+
+  store.dispatch(Actions.batchEnable(false));
+
+  // Wait for WS connections to be established + send messages
+  const onNetworkEvents = waitForNetworkEvents(monitor, 1);
+  await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {
+    await content.wrappedJSObject.openConnection(0);
+    // Send 5 WS messages
+    Array(5)
+      .fill(undefined)
+      .forEach((_, index) => {
+        content.wrappedJSObject.sendData(index);
+      });
+  });
+  await onNetworkEvents;
+
+  const requests = document.querySelectorAll(".request-list-item");
+  is(requests.length, 1, "There should be one request");
+
+  // Wait for all sent/received messages to be displayed in DevTools
+  const wait = waitForDOM(
+    document,
+    "#messages-view .message-list-table .message-list-item",
+    10
+  );
+
+  // Select the first request
+  EventUtils.sendMouseEvent({ type: "mousedown" }, requests[0]);
+
+  // Click on the "Response" panel
+  clickOnSidebarTab(document, "response");
+  await wait;
+
+  // Get all messages present in the "Response" panel
+  const frames = document.querySelectorAll(
+    "#messages-view .message-list-table .message-list-item"
+  );
+
+  // Check expected results
+  is(frames.length, 10, "There should be ten frames");
+  // Wait for next tick to do async stuff (The MessagePayload component uses the async function getMessagePayload)
+  await waitForTick();
+
+  const waitForSelected = waitForDOM(
+    document,
+    // The first message is actually the second child, there is a hidden row.
+    `.message-list-item:nth-child(${2}).selected`
+  );
+  EventUtils.sendMouseEvent({ type: "mousedown" }, frames[0]);
+  await waitForSelected;
+
+  const checkSelected = messageRowNumber => {
+    is(
+      Array.from(frames).findIndex(el => el.matches(".selected")),
+      messageRowNumber - 1,
+      `Message ${messageRowNumber} should be selected.`
+    );
+  };
+
+  // Need focus for keyboard shortcuts to work
+  frames[0].focus();
+
+  checkSelected(1);
+
+  EventUtils.sendKey("DOWN", window);
+  checkSelected(2);
+
+  EventUtils.sendKey("UP", window);
+  checkSelected(1);
+
+  EventUtils.sendKey("PAGE_DOWN", window);
+  checkSelected(3);
+
+  EventUtils.sendKey("PAGE_UP", window);
+  checkSelected(1);
+
+  EventUtils.sendKey("END", window);
+  checkSelected(10);
+
+  EventUtils.sendKey("HOME", window);
+  checkSelected(1);
+
+  // Close WS connection
+  await SpecialPowers.spawn(tab.linkedBrowser, [], async () => {
+    await content.wrappedJSObject.closeConnection();
+  });
+
+  await teardown(monitor);
+});