1 files changed, 132 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_breadcrumbs.js b/devtools/client/inspector/test/browser_inspector_breadcrumbs.js
new file mode 100644
index 000000000..e5befff9e
--- /dev/null
+++ b/devtools/client/inspector/test/browser_inspector_breadcrumbs.js
@@ -0,0 +1,132 @@
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// Test that the breadcrumbs widget content is correct.
+
+const TEST_URI = URL_ROOT + "doc_inspector_breadcrumbs.html";
+const NODES = [
+  {selector: "#i1111", ids: "i1 i11 i111 i1111", nodeName: "div",
+    title: "div#i1111"},
+  {selector: "#i22", ids: "i2 i22", nodeName: "div",
+    title: "div#i22"},
+  {selector: "#i2111", ids: "i2 i21 i211 i2111", nodeName: "div",
+    title: "div#i2111"},
+  {selector: "#i21", ids: "i2 i21 i211 i2111", nodeName: "div",
+    title: "div#i21"},
+  {selector: "#i22211", ids: "i2 i22 i222 i2221 i22211", nodeName: "div",
+    title: "div#i22211"},
+  {selector: "#i22", ids: "i2 i22 i222 i2221 i22211", nodeName: "div",
+    title: "div#i22"},
+  {selector: "#i3", ids: "i3", nodeName: "article",
+    title: "article#i3"},
+  {selector: "clipPath", ids: "vector clip", nodeName: "clipPath",
+    title: "clipPath#clip"},
+];
+
+add_task(function* () {
+  let { inspector } = yield openInspectorForURL(TEST_URI);
+  let breadcrumbs = inspector.panelDoc.getElementById("inspector-breadcrumbs");
+  let container = breadcrumbs.querySelector(".html-arrowscrollbox-inner");
+
+  for (let node of NODES) {
+    info("Testing node " + node.selector);
+
+    info("Selecting node and waiting for breadcrumbs to update");
+    let breadcrumbsUpdated = inspector.once("breadcrumbs-updated");
+    yield selectNode(node.selector, inspector);
+    yield breadcrumbsUpdated;
+
+    info("Performing checks for node " + node.selector);
+    let buttonsLabelIds = node.ids.split(" ");
+
+    // html > body > …
+    is(container.childNodes.length, buttonsLabelIds.length + 2,
+      "Node " + node.selector + ": Items count");
+
+    for (let i = 2; i < container.childNodes.length; i++) {
+      let expectedId = "#" + buttonsLabelIds[i - 2];
+      let button = container.childNodes[i];
+      let labelId = button.querySelector(".breadcrumbs-widget-item-id");
+      is(labelId.textContent, expectedId,
+        "Node " + node.selector + ": button " + i + " matches");
+    }
+
+    let checkedButton = container.querySelector("button[checked]");
+    let labelId = checkedButton.querySelector(".breadcrumbs-widget-item-id");
+    let id = inspector.selection.nodeFront.id;
+    is(labelId.textContent, "#" + id,
+      "Node " + node.selector + ": selection matches");
+
+    let labelTag = checkedButton.querySelector(".breadcrumbs-widget-item-tag");
+    is(labelTag.textContent, node.nodeName,
+      "Node " + node.selector + " has the expected tag name");
+
+    is(checkedButton.getAttribute("title"), node.title,
+      "Node " + node.selector + " has the expected tooltip");
+  }
+
+  yield testPseudoElements(inspector, container);
+  yield testComments(inspector, container);
+});
+
+function* testPseudoElements(inspector, container) {
+  info("Checking for pseudo elements");
+
+  let pseudoParent = yield getNodeFront("#pseudo-container", inspector);
+  let children = yield inspector.walker.children(pseudoParent);
+  is(children.nodes.length, 2, "Pseudo children returned from walker");
+
+  let beforeElement = children.nodes[0];
+  let breadcrumbsUpdated = inspector.once("breadcrumbs-updated");
+  yield selectNode(beforeElement, inspector);
+  yield breadcrumbsUpdated;
+  is(container.childNodes[3].textContent, "::before",
+     "::before shows up in breadcrumb");
+
+  let afterElement = children.nodes[1];
+  breadcrumbsUpdated = inspector.once("breadcrumbs-updated");
+  yield selectNode(afterElement, inspector);
+  yield breadcrumbsUpdated;
+  is(container.childNodes[3].textContent, "::after",
+     "::before shows up in breadcrumb");
+}
+
+function* testComments(inspector, container) {
+  info("Checking for comment elements");
+
+  let breadcrumbs = inspector.breadcrumbs;
+  let checkedButtonIndex = 2;
+  let button = container.childNodes[checkedButtonIndex];
+
+  let onBreadcrumbsUpdated = inspector.once("breadcrumbs-updated");
+  button.click();
+  yield onBreadcrumbsUpdated;
+
+  is(breadcrumbs.currentIndex, checkedButtonIndex, "New button is selected");
+  ok(breadcrumbs.outer.hasAttribute("aria-activedescendant"),
+    "Active descendant must be set");
+
+  let comment = [...inspector.markup._containers].find(([node]) =>
+    node.nodeType === Ci.nsIDOMNode.COMMENT_NODE)[0];
+
+  let onInspectorUpdated = inspector.once("inspector-updated");
+  inspector.selection.setNodeFront(comment);
+  yield onInspectorUpdated;
+
+  is(breadcrumbs.currentIndex, -1,
+    "When comment is selected no breadcrumb should be checked");
+  ok(!breadcrumbs.outer.hasAttribute("aria-activedescendant"),
+    "Active descendant must not be set");
+
+  onInspectorUpdated = inspector.once("inspector-updated");
+  onBreadcrumbsUpdated = inspector.once("breadcrumbs-updated");
+  button.click();
+  yield Promise.all([onInspectorUpdated, onBreadcrumbsUpdated]);
+
+  is(breadcrumbs.currentIndex, checkedButtonIndex,
+    "Same button is selected again");
+  ok(breadcrumbs.outer.hasAttribute("aria-activedescendant"),
+    "Active descendant must be set again");
+}