1 files changed, 157 insertions, 0 deletions
diff --git a/devtools/client/inspector/computed/test/head.js b/devtools/client/inspector/computed/test/head.js
new file mode 100644
index 000000000..17c47be1a
--- /dev/null
+++ b/devtools/client/inspector/computed/test/head.js
@@ -0,0 +1,157 @@
+/* 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/ */
+/* eslint no-unused-vars: [2, {"vars": "local"}] */
+/* import-globals-from ../../test/head.js */
+"use strict";
+
+// Import the inspector's head.js first (which itself imports shared-head.js).
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/devtools/client/inspector/test/head.js",
+  this);
+
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref("devtools.defaultColorUnit");
+});
+
+/**
+ * Dispatch the copy event on the given element
+ */
+function fireCopyEvent(element) {
+  let evt = element.ownerDocument.createEvent("Event");
+  evt.initEvent("copy", true, true);
+  element.dispatchEvent(evt);
+}
+
+/**
+ * Get references to the name and value span nodes corresponding to a given
+ * property name in the computed-view
+ *
+ * @param {CssComputedView} view
+ *        The instance of the computed view panel
+ * @param {String} name
+ *        The name of the property to retrieve
+ * @return an object {nameSpan, valueSpan}
+ */
+function getComputedViewProperty(view, name) {
+  let prop;
+  for (let property of view.styleDocument.querySelectorAll(".property-view")) {
+    let nameSpan = property.querySelector(".property-name");
+    let valueSpan = property.querySelector(".property-value");
+
+    if (nameSpan.textContent === name) {
+      prop = {nameSpan: nameSpan, valueSpan: valueSpan};
+      break;
+    }
+  }
+  return prop;
+}
+
+/**
+ * Get an instance of PropertyView from the computed-view.
+ *
+ * @param {CssComputedView} view
+ *        The instance of the computed view panel
+ * @param {String} name
+ *        The name of the property to retrieve
+ * @return {PropertyView}
+ */
+function getComputedViewPropertyView(view, name) {
+  let propView;
+  for (let propertyView of view.propertyViews) {
+    if (propertyView._propertyInfo.name === name) {
+      propView = propertyView;
+      break;
+    }
+  }
+  return propView;
+}
+
+/**
+ * Get a reference to the property-content element for a given property name in
+ * the computed-view.
+ * A property-content element always follows (nextSibling) the property itself
+ * and is only shown when the twisty icon is expanded on the property.
+ * A property-content element contains matched rules, with selectors,
+ * properties, values and stylesheet links
+ *
+ * @param {CssComputedView} view
+ *        The instance of the computed view panel
+ * @param {String} name
+ *        The name of the property to retrieve
+ * @return {Promise} A promise that resolves to the property matched rules
+ * container
+ */
+var getComputedViewMatchedRules = Task.async(function* (view, name) {
+  let expander;
+  let propertyContent;
+  for (let property of view.styleDocument.querySelectorAll(".property-view")) {
+    let nameSpan = property.querySelector(".property-name");
+    if (nameSpan.textContent === name) {
+      expander = property.querySelector(".expandable");
+      propertyContent = property.nextSibling;
+      break;
+    }
+  }
+
+  if (!expander.hasAttribute("open")) {
+    // Need to expand the property
+    let onExpand = view.inspector.once("computed-view-property-expanded");
+    expander.click();
+    yield onExpand;
+  }
+
+  return propertyContent;
+});
+
+/**
+ * Get the text value of the property corresponding to a given name in the
+ * computed-view
+ *
+ * @param {CssComputedView} view
+ *        The instance of the computed view panel
+ * @param {String} name
+ *        The name of the property to retrieve
+ * @return {String} The property value
+ */
+function getComputedViewPropertyValue(view, name, propertyName) {
+  return getComputedViewProperty(view, name, propertyName)
+    .valueSpan.textContent;
+}
+
+/**
+ * Expand a given property, given its index in the current property list of
+ * the computed view
+ *
+ * @param {CssComputedView} view
+ *        The instance of the computed view panel
+ * @param {Number} index
+ *        The index of the property to be expanded
+ * @return a promise that resolves when the property has been expanded, or
+ * rejects if the property was not found
+ */
+function expandComputedViewPropertyByIndex(view, index) {
+  info("Expanding property " + index + " in the computed view");
+  let expandos = view.styleDocument.querySelectorAll("#propertyContainer .expandable");
+  if (!expandos.length || !expandos[index]) {
+    return promise.reject();
+  }
+
+  let onExpand = view.inspector.once("computed-view-property-expanded");
+  expandos[index].click();
+  return onExpand;
+}
+
+/**
+ * Get a rule-link from the computed-view given its index
+ *
+ * @param {CssComputedView} view
+ *        The instance of the computed view panel
+ * @param {Number} index
+ *        The index of the link to be retrieved
+ * @return {DOMNode} The link at the given index, if one exists, null otherwise
+ */
+function getComputedViewLinkByIndex(view, index) {
+  let links = view.styleDocument.querySelectorAll(".rule-link .link");
+  return links[index];
+}