1 files changed, 169 insertions, 0 deletions
diff --git a/devtools/client/accessibility/test/browser/browser_accessibility_relation_navigation.js b/devtools/client/accessibility/test/browser/browser_accessibility_relation_navigation.js
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index 0000000000..5f9b5e6eb5
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+++ b/devtools/client/accessibility/test/browser/browser_accessibility_relation_navigation.js
@@ -0,0 +1,169 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const {
+  L10N,
+} = require("resource://devtools/client/accessibility/utils/l10n.js");
+
+const TEST_URI = `<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Accessibility Panel Test</title>
+  </head>
+  <body>
+    <h1>Top level header</h1>
+    <p>This is a paragraph.</p>
+  </body>
+</html>`;
+
+/**
+ * Test data has the format of:
+ * {
+ *   desc     {String}    description for better logging
+ *   setup   {Function}  An optional setup that needs to be performed before
+ *                        the state of the tree and the sidebar can be checked.
+ *   expected {JSON}      An expected states for the tree and the sidebar.
+ * }
+ */
+const tests = [
+  {
+    desc: "Test the initial accessibility tree and sidebar states.",
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `"Accessibility Panel Test"`,
+        },
+      ],
+      sidebar: {
+        name: "Accessibility Panel Test",
+        role: "document",
+        actions: [],
+        value: "",
+        description: "",
+        keyboardShortcut: "",
+        childCount: 2,
+        indexInParent: 0,
+        states: [
+          // The focused state is an outdated state, since the toolbox should now
+          // have the focus and not the content page. See Bug 1702709.
+          "focused",
+          "readonly",
+          "focusable",
+          "opaque",
+          "enabled",
+          "sensitive",
+        ],
+      },
+    },
+  },
+  {
+    desc: "Expand first tree node.",
+    setup: ({ doc }) => toggleRow(doc, 0),
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `"Accessibility Panel Test"`,
+        },
+        {
+          role: "heading",
+          name: `"Top level header"`,
+        },
+        {
+          role: "paragraph",
+          name: `""`,
+        },
+      ],
+    },
+  },
+  {
+    desc: "Select second tree node.",
+    setup: ({ doc }) => selectRow(doc, 1),
+    expected: {
+      sidebar: {
+        name: "Top level header",
+        role: "heading",
+        actions: [],
+        value: "",
+        description: "",
+        keyboardShortcut: "",
+        childCount: 1,
+        indexInParent: 0,
+        relations: {
+          "containing document": {
+            role: "document",
+            name: "Accessibility Panel Test",
+          },
+        },
+        states: ["selectable text", "opaque", "enabled", "sensitive"],
+      },
+    },
+  },
+  {
+    desc: "Select containing document.",
+    setup: async ({ doc, win }) => {
+      const relations = await selectProperty(doc, "/relations");
+      AccessibilityUtils.setEnv({
+        // Keyboard navigation is handled on the container level using arrow
+        // keys.
+        mustHaveAccessibleRule: false,
+      });
+      EventUtils.sendMouseEvent(
+        { type: "click" },
+        relations.querySelector(".arrow"),
+        win
+      );
+      AccessibilityUtils.resetEnv();
+      const containingDocRelation = await selectProperty(
+        doc,
+        "/relations/containing document"
+      );
+      AccessibilityUtils.setEnv({
+        // Keyboard interaction is only enabled when the row is selected and
+        // activated.
+        nonNegativeTabIndexRule: false,
+      });
+
+      const selectElementInTreeButton = containingDocRelation.querySelector(
+        ".open-accessibility-inspector"
+      );
+      ok(!!selectElementInTreeButton, "There's a button to select the element");
+      is(
+        selectElementInTreeButton.getAttribute("title"),
+        L10N.getStr("accessibility.accessible.selectElement.title"),
+        "The button has the expected title"
+      );
+      EventUtils.sendMouseEvent(
+        { type: "click" },
+        selectElementInTreeButton,
+        win
+      );
+      AccessibilityUtils.resetEnv();
+    },
+    expected: {
+      sidebar: {
+        name: "Accessibility Panel Test",
+        role: "document",
+        actions: [],
+        value: "",
+        description: "",
+        keyboardShortcut: "",
+        childCount: 2,
+        indexInParent: 0,
+        states: ["readonly", "focusable", "opaque", "enabled", "sensitive"],
+      },
+    },
+  },
+];
+
+/**
+ * Check navigation within the tree.
+ */
+addA11yPanelTestsTask(
+  tests,
+  TEST_URI,
+  "Test Accessibility panel relation navigation."
+);