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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /addon-sdk/source/test/context-menu/test-helper.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+ "use strict";
+
+const { Ci } = require("chrome");
+const { getMostRecentBrowserWindow } = require('sdk/window/utils');
+const { Loader } = require('sdk/test/loader');
+const { merge } = require("sdk/util/object");
+const observers = require("sdk/system/events");
+const { defer } = require("sdk/core/promise");
+const timer = require("sdk/timers");
+
+// These should match the same constants in the module.
+const ITEM_CLASS = "addon-context-menu-item";
+const SEPARATOR_CLASS = "addon-context-menu-separator";
+const OVERFLOW_THRESH_DEFAULT = 10;
+const OVERFLOW_THRESH_PREF =
+ "extensions.addon-sdk.context-menu.overflowThreshold";
+const OVERFLOW_MENU_CLASS = "addon-content-menu-overflow-menu";
+const OVERFLOW_POPUP_CLASS = "addon-content-menu-overflow-popup";
+
+const TEST_DOC_URL = module.uri.replace(/context-menu\/test-helper\.js$/, "test-context-menu.html");
+
+// This makes it easier to run tests by handling things like opening the menu,
+// opening new windows, making assertions, etc. Methods on |test| can be called
+// on instances of this class. Don't forget to call done() to end the test!
+// WARNING: This looks up items in popups by comparing labels, so don't give two
+// items the same label.
+function TestHelper(assert, done) {
+ // Methods on the wrapped test can be called on this object.
+ for (var prop in assert)
+ this[prop] = (...args) => assert[prop].apply(assert, args);
+ this.assert = assert;
+ this.end = done;
+ this.loaders = [];
+ this.browserWindow = getMostRecentBrowserWindow();
+ this.overflowThreshValue = require("sdk/preferences/service").
+ get(OVERFLOW_THRESH_PREF, OVERFLOW_THRESH_DEFAULT);
+ this.done = this.done.bind(this);
+}
+
+TestHelper.prototype = {
+ get contextMenuPopup() {
+ return this.browserWindow.document.getElementById("contentAreaContextMenu");
+ },
+
+ get contextMenuSeparator() {
+ return this.browserWindow.document.querySelector("." + SEPARATOR_CLASS);
+ },
+
+ get overflowPopup() {
+ return this.browserWindow.document.querySelector("." + OVERFLOW_POPUP_CLASS);
+ },
+
+ get overflowSubmenu() {
+ return this.browserWindow.document.querySelector("." + OVERFLOW_MENU_CLASS);
+ },
+
+ get tabBrowser() {
+ return this.browserWindow.gBrowser;
+ },
+
+ // Asserts that elt, a DOM element representing item, looks OK.
+ checkItemElt: function (elt, item) {
+ let itemType = this.getItemType(item);
+
+ switch (itemType) {
+ case "Item":
+ this.assert.equal(elt.localName, "menuitem",
+ "Item DOM element should be a xul:menuitem");
+ if (typeof(item.data) === "string") {
+ this.assert.equal(elt.getAttribute("value"), item.data,
+ "Item should have correct data");
+ }
+ break
+ case "Menu":
+ this.assert.equal(elt.localName, "menu",
+ "Menu DOM element should be a xul:menu");
+ let subPopup = elt.firstChild;
+ this.assert.ok(subPopup, "xul:menu should have a child");
+ this.assert.equal(subPopup.localName, "menupopup",
+ "xul:menu's first child should be a menupopup");
+ break;
+ case "Separator":
+ this.assert.equal(elt.localName, "menuseparator",
+ "Separator DOM element should be a xul:menuseparator");
+ break;
+ }
+
+ if (itemType === "Item" || itemType === "Menu") {
+ this.assert.equal(elt.getAttribute("label"), item.label,
+ "Item should have correct title");
+
+ // validate accesskey prop
+ if (item.accesskey) {
+ this.assert.equal(elt.getAttribute("accesskey"),
+ item.accesskey,
+ "Item should have correct accesskey");
+ }
+ else {
+ this.assert.equal(elt.getAttribute("accesskey"),
+ "",
+ "Item should not have accesskey");
+ }
+
+ // validate image prop
+ if (typeof(item.image) === "string") {
+ this.assert.equal(elt.getAttribute("image"), item.image,
+ "Item should have correct image");
+ if (itemType === "Menu")
+ this.assert.ok(elt.classList.contains("menu-iconic"),
+ "Menus with images should have the correct class")
+ else
+ this.assert.ok(elt.classList.contains("menuitem-iconic"),
+ "Items with images should have the correct class")
+ }
+ else {
+ this.assert.ok(!elt.getAttribute("image"),
+ "Item should not have image");
+ this.assert.ok(!elt.classList.contains("menu-iconic") && !elt.classList.contains("menuitem-iconic"),
+ "The iconic classes should not be present")
+ }
+ }
+ },
+
+ // Asserts that the context menu looks OK given the arguments. presentItems
+ // are items that have been added to the menu. absentItems are items that
+ // shouldn't match the current context. removedItems are items that have been
+ // removed from the menu.
+ checkMenu: function (presentItems, absentItems, removedItems) {
+ // Count up how many top-level items there are
+ let total = 0;
+ for (let item of presentItems) {
+ if (absentItems.indexOf(item) < 0 && removedItems.indexOf(item) < 0)
+ total++;
+ }
+
+ let separator = this.contextMenuSeparator;
+ if (total == 0) {
+ this.assert.ok(!separator || separator.hidden,
+ "separator should not be present");
+ }
+ else {
+ this.assert.ok(separator && !separator.hidden,
+ "separator should be present");
+ }
+
+ let mainNodes = this.browserWindow.document.querySelectorAll("#contentAreaContextMenu > ." + ITEM_CLASS);
+ let overflowNodes = this.browserWindow.document.querySelectorAll("." + OVERFLOW_POPUP_CLASS + " > ." + ITEM_CLASS);
+
+ this.assert.ok(mainNodes.length == 0 || overflowNodes.length == 0,
+ "Should only see nodes at the top level or in overflow");
+
+ let overflow = this.overflowSubmenu;
+ if (this.shouldOverflow(total)) {
+ this.assert.ok(overflow && !overflow.hidden,
+ "overflow menu should be present");
+ this.assert.equal(mainNodes.length, 0,
+ "should be no items in the main context menu");
+ }
+ else {
+ this.assert.ok(!overflow || overflow.hidden,
+ "overflow menu should not be present");
+ // When visible nodes == 0 they could be in overflow or top level
+ if (total > 0) {
+ this.assert.equal(overflowNodes.length, 0,
+ "should be no items in the overflow context menu");
+ }
+ }
+
+ // Iterate over wherever the nodes have ended up
+ let nodes = mainNodes.length ? mainNodes : overflowNodes;
+ this.checkNodes(nodes, presentItems, absentItems, removedItems)
+ let pos = 0;
+ },
+
+ // Recurses through the item hierarchy of presentItems comparing it to the
+ // node hierarchy of nodes. Any items in removedItems will be skipped (so
+ // should not exist in the XUL), any items in absentItems must exist and be
+ // hidden
+ checkNodes: function (nodes, presentItems, absentItems, removedItems) {
+ let pos = 0;
+ for (let item of presentItems) {
+ // Removed items shouldn't be in the list
+ if (removedItems.indexOf(item) >= 0)
+ continue;
+
+ if (nodes.length <= pos) {
+ this.assert.ok(false, "Not enough nodes");
+ return;
+ }
+
+ let hidden = absentItems.indexOf(item) >= 0;
+
+ this.checkItemElt(nodes[pos], item);
+ this.assert.equal(nodes[pos].hidden, hidden,
+ "hidden should be set correctly");
+
+ // The contents of hidden menus doesn't matter so much
+ if (!hidden && this.getItemType(item) == "Menu") {
+ this.assert.equal(nodes[pos].firstChild.localName, "menupopup",
+ "menu XUL should contain a menupopup");
+ this.checkNodes(nodes[pos].firstChild.childNodes, item.items, absentItems, removedItems);
+ }
+
+ if (pos > 0)
+ this.assert.equal(nodes[pos].previousSibling, nodes[pos - 1],
+ "nodes should all be in the same group");
+ pos++;
+ }
+
+ this.assert.equal(nodes.length, pos,
+ "should have checked all the XUL nodes");
+ },
+
+ // Attaches an event listener to node. The listener is automatically removed
+ // when it's fired (so it's assumed it will fire), and callback is called
+ // after a short delay. Since the module we're testing relies on the same
+ // event listeners to do its work, this is to give them a little breathing
+ // room before callback runs. Inside callback |this| is this object.
+ // Optionally you can pass a function to test if the event is the event you
+ // want.
+ delayedEventListener: function (node, event, callback, useCapture, isValid) {
+ const self = this;
+ node.addEventListener(event, function handler(evt) {
+ if (isValid && !isValid(evt))
+ return;
+ node.removeEventListener(event, handler, useCapture);
+ timer.setTimeout(function () {
+ try {
+ callback.call(self, evt);
+ }
+ catch (err) {
+ self.assert.fail(err);
+ self.end();
+ }
+ }, 20);
+ }, useCapture);
+ },
+
+ // Call to finish the test.
+ done: function () {
+ const self = this;
+ function commonDone() {
+ this.closeTab();
+
+ while (this.loaders.length) {
+ this.loaders[0].unload();
+ }
+
+ require("sdk/preferences/service").set(OVERFLOW_THRESH_PREF, self.overflowThreshValue);
+
+ this.end();
+ }
+
+ function closeBrowserWindow() {
+ if (this.oldBrowserWindow) {
+ this.delayedEventListener(this.browserWindow, "unload", commonDone,
+ false);
+ this.browserWindow.close();
+ this.browserWindow = this.oldBrowserWindow;
+ delete this.oldBrowserWindow;
+ }
+ else {
+ commonDone.call(this);
+ }
+ };
+
+ if (this.contextMenuPopup.state == "closed") {
+ closeBrowserWindow.call(this);
+ }
+ else {
+ this.delayedEventListener(this.contextMenuPopup, "popuphidden",
+ function () {
+ return closeBrowserWindow.call(this);
+ },
+ false);
+ this.contextMenuPopup.hidePopup();
+ }
+ },
+
+ closeTab: function() {
+ if (this.tab) {
+ this.tabBrowser.removeTab(this.tab);
+ this.tabBrowser.selectedTab = this.oldSelectedTab;
+ this.tab = null;
+ }
+ },
+
+ // Returns the DOM element in popup corresponding to item.
+ // WARNING: The element is found by comparing labels, so don't give two items
+ // the same label.
+ getItemElt: function (popup, item) {
+ let nodes = popup.childNodes;
+ for (let i = nodes.length - 1; i >= 0; i--) {
+ if (this.getItemType(item) === "Separator") {
+ if (nodes[i].localName === "menuseparator")
+ return nodes[i];
+ }
+ else if (nodes[i].getAttribute("label") === item.label)
+ return nodes[i];
+ }
+ return null;
+ },
+
+ // Returns "Item", "Menu", or "Separator".
+ getItemType: function (item) {
+ // Could use instanceof here, but that would require accessing the loader
+ // that created the item, and I don't want to A) somehow search through the
+ // this.loaders list to find it, and B) assume there are any live loaders at
+ // all.
+ return /^\[object (Item|Menu|Separator)/.exec(item.toString())[1];
+ },
+
+ // Returns a wrapper around a new loader: { loader, cm, unload, globalScope }.
+ // loader is a Cuddlefish sandboxed loader, cm is the context menu module,
+ // globalScope is the context menu module's global scope, and unload is a
+ // function that unloads the loader and associated resources.
+ newLoader: function () {
+ const self = this;
+ const selfModule = require('sdk/self');
+ let loader = Loader(module, null, null, {
+ modules: {
+ "sdk/self": merge({}, selfModule, {
+ data: merge({}, selfModule.data, require("../fixtures"))
+ })
+ }
+ });
+
+ let wrapper = {
+ loader: loader,
+ cm: loader.require("sdk/context-menu"),
+ globalScope: loader.sandbox("sdk/context-menu"),
+ unload: function () {
+ loader.unload();
+ let idx = self.loaders.indexOf(wrapper);
+ if (idx < 0)
+ throw new Error("Test error: tried to unload nonexistent loader");
+ self.loaders.splice(idx, 1);
+ }
+ };
+ this.loaders.push(wrapper);
+ return wrapper;
+ },
+
+ // As above but the loader has private-browsing support enabled.
+ newPrivateLoader: function() {
+ let base = require("@loader/options");
+
+ // Clone current loader's options adding the private-browsing permission
+ let options = merge({}, base, {
+ metadata: merge({}, base.metadata || {}, {
+ permissions: merge({}, base.metadata.permissions || {}, {
+ 'private-browsing': true
+ })
+ })
+ });
+
+ const self = this;
+ let loader = Loader(module, null, options);
+ let wrapper = {
+ loader: loader,
+ cm: loader.require("sdk/context-menu"),
+ globalScope: loader.sandbox("sdk/context-menu"),
+ unload: function () {
+ loader.unload();
+ let idx = self.loaders.indexOf(wrapper);
+ if (idx < 0)
+ throw new Error("Test error: tried to unload nonexistent loader");
+ self.loaders.splice(idx, 1);
+ }
+ };
+ this.loaders.push(wrapper);
+ return wrapper;
+ },
+
+ // Returns true if the count crosses the overflow threshold.
+ shouldOverflow: function (count) {
+ return count >
+ (this.loaders.length ?
+ this.loaders[0].loader.require("sdk/preferences/service").
+ get(OVERFLOW_THRESH_PREF, OVERFLOW_THRESH_DEFAULT) :
+ OVERFLOW_THRESH_DEFAULT);
+ },
+
+ // Loads scripts necessary in the content process
+ loadFrameScript: function(browser = this.browserWindow.gBrowser.selectedBrowser) {
+ function frame_script() {
+ let { interfaces: Ci } = Components;
+ addMessageListener('test:contextmenu', ({ data: { selectors } }) => {
+ let targetNode = null;
+ let contentWin = content;
+ if (selectors) {
+ while (selectors.length) {
+ targetNode = contentWin.document.querySelector(selectors.shift());
+ if (selectors.length)
+ contentWin = targetNode.contentWindow;
+ }
+ }
+
+ let rect = targetNode ?
+ targetNode.getBoundingClientRect() :
+ { left: 0, top: 0, width: 0, height: 0 };
+ contentWin.QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIDOMWindowUtils)
+ .sendMouseEvent('contextmenu',
+ rect.left + (rect.width / 2),
+ rect.top + (rect.height / 2),
+ 2, 1, 0);
+ });
+
+ addMessageListener('test:ping', () => {
+ sendAsyncMessage('test:pong');
+ });
+
+ addMessageListener('test:select', ({ data: { selector, start, end } }) => {
+ let element = content.document.querySelector(selector);
+ element.focus();
+ if (end === null)
+ end = element.value.length;
+ element.setSelectionRange(start, end);
+ });
+ }
+
+ let messageManager = browser.messageManager;
+ messageManager.loadFrameScript("data:,(" + frame_script.toString() + ")();", true);
+ },
+
+ selectRange: function(selector, start, end) {
+ let messageManager = this.browserWindow.gBrowser.selectedBrowser.messageManager;
+ messageManager.sendAsyncMessage('test:select', { selector, start, end });
+ },
+
+ // Opens the context menu on the current page. If selectors is null, the
+ // menu is opened in the top-left corner. onShowncallback is passed the
+ // popup. selectors is an array of selectors. Starting from the main document
+ // each selector points to an iframe, the last selector gives the target node.
+ // In the simple case of a single selector just that string can be passed
+ // instead of an array
+ showMenu: function(selectors, onshownCallback) {
+ let { promise, resolve } = defer();
+
+ if (selectors && !Array.isArray(selectors))
+ selectors = [selectors];
+
+ let sendEvent = () => {
+ let menu = this.browserWindow.document.getElementById("contentAreaContextMenu");
+ this.delayedEventListener(menu, "popupshowing",
+ function (e) {
+ let popup = e.target;
+ if (onshownCallback) {
+ onshownCallback.call(this, popup);
+ }
+ resolve(popup);
+ }, false);
+
+ let messageManager = this.browserWindow.gBrowser.selectedBrowser.messageManager;
+ messageManager.sendAsyncMessage('test:contextmenu', { selectors });
+ }
+
+ // Bounces an asynchronous message through the browser message manager.
+ // This ensures that any pending messages have been delivered to the frame
+ // scripts and so the remote proxies have been updated
+ let flushMessages = () => {
+ let listener = () => {
+ messageManager.removeMessageListener('test:pong', listener);
+ sendEvent();
+ };
+
+ let messageManager = this.browserWindow.gBrowser.selectedBrowser.messageManager;
+ messageManager.addMessageListener('test:pong', listener);
+ messageManager.sendAsyncMessage('test:ping');
+ }
+
+ // If a new tab or window has not yet been opened, open a new tab now. For
+ // some reason using the tab already opened when the test starts causes
+ // leaks. See bug 566351 for details.
+ if (!selectors && !this.oldSelectedTab && !this.oldBrowserWindow) {
+ this.oldSelectedTab = this.tabBrowser.selectedTab;
+ this.tab = this.tabBrowser.addTab("about:blank");
+ let browser = this.tabBrowser.getBrowserForTab(this.tab);
+
+ this.delayedEventListener(browser, "load", function () {
+ this.tabBrowser.selectedTab = this.tab;
+ this.loadFrameScript();
+ flushMessages();
+ }, true);
+ }
+ else {
+ flushMessages();
+ }
+
+ return promise;
+ },
+
+ hideMenu: function(onhiddenCallback) {
+ this.delayedEventListener(this.browserWindow, "popuphidden", onhiddenCallback);
+
+ this.contextMenuPopup.hidePopup();
+ },
+
+ // Opens a new browser window. The window will be closed automatically when
+ // done() is called.
+ withNewWindow: function (onloadCallback, makePrivate = false) {
+ let win = this.browserWindow.OpenBrowserWindow({ private: makePrivate });
+ observers.once("browser-delayed-startup-finished", () => {
+ // Open a new tab so we can make sure it is remote and loaded
+ win.gBrowser.selectedTab = win.gBrowser.addTab();
+ this.loadFrameScript();
+ this.delayedEventListener(win.gBrowser.selectedBrowser, "load", onloadCallback, true);
+ });
+ this.oldBrowserWindow = this.browserWindow;
+ this.browserWindow = win;
+ },
+
+ // Opens a new private browser window. The window will be closed
+ // automatically when done() is called.
+ withNewPrivateWindow: function (onloadCallback) {
+ this.withNewWindow(onloadCallback, true);
+ },
+
+ // Opens a new tab with our test page in the current window. The tab will
+ // be closed automatically when done() is called.
+ withTestDoc: function (onloadCallback) {
+ this.oldSelectedTab = this.tabBrowser.selectedTab;
+ this.tab = this.tabBrowser.addTab(TEST_DOC_URL);
+ let browser = this.tabBrowser.getBrowserForTab(this.tab);
+
+ this.delayedEventListener(browser, "load", function () {
+ this.tabBrowser.selectedTab = this.tab;
+ this.loadFrameScript();
+ onloadCallback.call(this, browser.contentWindow, browser.contentDocument);
+ }, true, function(evt) {
+ return evt.target.location == TEST_DOC_URL;
+ });
+ }
+};
+exports.TestHelper = TestHelper;