1 files changed, 128 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/test/browser_markup_navigation.js b/devtools/client/inspector/markup/test/browser_markup_navigation.js
new file mode 100644
index 0000000000..f6a408f10c
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_navigation.js
@@ -0,0 +1,128 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test that the markup-view nodes can be navigated to with the keyboard
+
+const TEST_URL = URL_ROOT + "doc_markup_navigation.html";
+const TEST_DATA = [
+  ["KEY_PageUp", "*doctype*"],
+  ["KEY_ArrowDown", "html"],
+  ["KEY_ArrowDown", "head"],
+  ["KEY_ArrowDown", "body"],
+  ["KEY_ArrowDown", "node0"],
+  ["KEY_ArrowRight", "node0"],
+  ["KEY_ArrowDown", "node1"],
+  ["KEY_ArrowDown", "node2"],
+  ["KEY_ArrowDown", "node3"],
+  ["KEY_ArrowDown", "*comment*"],
+  ["KEY_ArrowDown", "node4"],
+  ["KEY_ArrowRight", "node4"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node5"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node6"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "*comment*"],
+  ["KEY_ArrowDown", "node7"],
+  ["KEY_ArrowRight", "node7"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node8"],
+  ["KEY_ArrowLeft", "node7"],
+  ["KEY_ArrowLeft", "node7"],
+  ["KEY_ArrowRight", "node7"],
+  ["KEY_ArrowRight", "*text*"],
+  ["KEY_ArrowDown", "node8"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node9"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node10"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node11"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node12"],
+  ["KEY_ArrowRight", "node12"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node13"],
+  ["KEY_ArrowDown", "node14"],
+  ["KEY_ArrowDown", "node15"],
+  ["KEY_ArrowDown", "node15"],
+  ["KEY_ArrowDown", "node15"],
+  ["KEY_ArrowUp", "node14"],
+  ["KEY_ArrowUp", "node13"],
+  ["KEY_ArrowUp", "*text*"],
+  ["KEY_ArrowUp", "node12"],
+  ["KEY_ArrowLeft", "node12"],
+  ["KEY_ArrowDown", "node14"],
+  ["KEY_Home", "*doctype*"],
+  ["KEY_PageDown", "*text*"],
+  ["KEY_ArrowDown", "node5"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node6"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "*comment*"],
+  ["KEY_ArrowDown", "node7"],
+  ["KEY_ArrowLeft", "node7"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node9"],
+  ["KEY_ArrowDown", "*text*"],
+  ["KEY_ArrowDown", "node10"],
+  ["KEY_PageUp", "*text*"],
+  ["KEY_PageUp", "*doctype*"],
+  ["KEY_ArrowDown", "html"],
+  ["KEY_ArrowLeft", "html"],
+  ["KEY_ArrowDown", "head"],
+];
+
+add_task(async function () {
+  const { inspector } = await openInspectorForURL(TEST_URL);
+
+  info("Making sure the markup-view frame is focused");
+  inspector.markup._frame.focus();
+
+  info("Starting to iterate through the test data");
+  for (const [key, className] of TEST_DATA) {
+    info("Testing step: " + key + " to navigate to " + className);
+    EventUtils.synthesizeKey(key);
+
+    info("Making sure markup-view children get updated");
+    await waitForChildrenUpdated(inspector);
+
+    info("Checking the right node is selected");
+    checkSelectedNode(key, className, inspector);
+  }
+
+  // In theory, we should wait for the inspector-updated event at each iteration
+  // of the previous loop where we expect the current node to change (because
+  // changing the current node ends up refreshing the rule-view, breadcrumbs,
+  // ...), but this would make this test a *lot* slower. Instead, having a final
+  // catch-all event works too.
+  await inspector.once("inspector-updated");
+});
+
+function checkSelectedNode(key, className, inspector) {
+  const node = inspector.selection.nodeFront;
+
+  if (className == "*comment*") {
+    is(
+      node.nodeType,
+      Node.COMMENT_NODE,
+      "Found a comment after pressing " + key
+    );
+  } else if (className == "*text*") {
+    is(node.nodeType, Node.TEXT_NODE, "Found text after pressing " + key);
+  } else if (className == "*doctype*") {
+    is(
+      node.nodeType,
+      Node.DOCUMENT_TYPE_NODE,
+      "Found the doctype after pressing " + key
+    );
+  } else {
+    is(
+      node.className,
+      className,
+      "Found node: " + className + " after pressing " + key
+    );
+  }
+}