1 files changed, 106 insertions, 0 deletions
diff --git a/devtools/shared/tests/chrome/test_css-logic-getCssPath.html b/devtools/shared/tests/chrome/test_css-logic-getCssPath.html
new file mode 100644
index 0000000000..333c9e0fdf
--- /dev/null
+++ b/devtools/shared/tests/chrome/test_css-logic-getCssPath.html
@@ -0,0 +1,106 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1323700
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 1323700</title>
+
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+  <script type="application/javascript">
+"use strict";
+
+const { require } = ChromeUtils.importESModule("resource://devtools/shared/loader/Loader.sys.mjs");
+const CssLogic = require("devtools/shared/inspector/css-logic");
+
+var _tests = [];
+function addTest(test) {
+  _tests.push(test);
+}
+
+function runNextTest() {
+  if (!_tests.length) {
+    SimpleTest.finish()
+    return;
+  }
+  _tests.shift()();
+}
+
+window.onload = function() {
+  SimpleTest.waitForExplicitFinish();
+  runNextTest();
+}
+
+addTest(function getCssPathForUnattachedElement() {
+  const unattached = document.createElement("div");
+  unattached.id = "unattached";
+  is(CssLogic.getCssPath(unattached), "", "Unattached node returns empty string");
+
+  const unattachedChild = document.createElement("div");
+  unattached.appendChild(unattachedChild);
+  is(CssLogic.getCssPath(unattachedChild), "", "Unattached child returns empty string");
+
+  const unattachedBody = document.createElement("body");
+  is(CssLogic.getCssPath(unattachedBody), "", "Unattached body returns empty string");
+
+  runNextTest();
+});
+
+addTest(function cssPathHasOneStepForEachAncestor() {
+  for (const el of [...document.querySelectorAll('*')]) {
+    const splitPath = CssLogic.getCssPath(el).split(" ");
+
+    let expectedNbOfParts = 0;
+    let parent = el.parentNode;
+    while (parent) {
+      expectedNbOfParts ++;
+      parent = parent.parentNode;
+    }
+
+    is(splitPath.length, expectedNbOfParts, "There are enough parts in the full path");
+  }
+
+  runNextTest();
+});
+
+addTest(function getCssPath() {
+  const data = [{
+    selector: "#id",
+    path: "html body div div div.class div#id"
+  }, {
+    selector: "html",
+    path: "html"
+  }, {
+    selector: "body",
+    path: "html body"
+  }, {
+    selector: ".c1.c2.c3",
+    path: "html body span.c1.c2.c3"
+  }, {
+    selector: "#i",
+    path: "html body span#i.c1.c2"
+  }];
+
+  for (const {selector, path} of data) {
+    const node = document.querySelector(selector);
+    is (CssLogic.getCssPath(node), path, `Full css path is correct for ${selector}`);
+  }
+
+  runNextTest();
+});
+  </script>
+</head>
+<body>
+  <div>
+    <div>
+      <div class="class">
+        <div id="id"></div>
+      </div>
+    </div>
+  </div>
+  <span class="c1 c2 c3"></span>
+  <span id="i" class="c1 c2"></span>
+</body>
+</html>