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| -rw-r--r-- | devtools/client/inspector/markup/test/head.js | 670 |
1 files changed, 670 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/test/head.js b/devtools/client/inspector/markup/test/head.js new file mode 100644 index 0000000000..fb2153d5dc --- /dev/null +++ b/devtools/client/inspector/markup/test/head.js @@ -0,0 +1,670 @@ +/* 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/. */ +/* eslint no-unused-vars: [2, {"vars": "local"}] */ + +"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 +); + +var { + getInplaceEditorForSpan: inplaceEditor, +} = require("resource://devtools/client/shared/inplace-editor.js"); +var clipboard = require("resource://devtools/shared/platform/clipboard.js"); + +// If a test times out we want to see the complete log and not just the last few +// lines. +SimpleTest.requestCompleteLog(); + +// Toggle this pref on to see all DevTools event communication. This is hugely +// useful for fixing race conditions. +// Services.prefs.setBoolPref("devtools.dump.emit", true); + +// Clear preferences that may be set during the course of tests. +registerCleanupFunction(() => { + Services.prefs.clearUserPref("devtools.dump.emit"); + Services.prefs.clearUserPref("devtools.inspector.htmlPanelOpen"); + Services.prefs.clearUserPref("devtools.inspector.sidebarOpen"); + Services.prefs.clearUserPref("devtools.markup.pagesize"); + Services.prefs.clearUserPref("devtools.inspector.showAllAnonymousContent"); +}); + +/** + * Some tests may need to import one or more of the test helper scripts. + * A test helper script is simply a js file that contains common test code that + * is either not common-enough to be in head.js, or that is located in a + * separate directory. + * The script will be loaded synchronously and in the test's scope. + * @param {String} filePath The file path, relative to the current directory. + * Examples: + * - "helper_attributes_test_runner.js" + */ +function loadHelperScript(filePath) { + const testDir = gTestPath.substr(0, gTestPath.lastIndexOf("/")); + Services.scriptloader.loadSubScript(testDir + "/" + filePath, this); +} + +/** + * Get the MarkupContainer object instance that corresponds to the given + * NodeFront + * @param {NodeFront} nodeFront + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @return {MarkupContainer} + */ +function getContainerForNodeFront(nodeFront, { markup }) { + return markup.getContainer(nodeFront); +} + +/** + * Get the MarkupContainer object instance that corresponds to the given + * selector + * @param {String|NodeFront} selector + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @param {Boolean} Set to true in the event that the node shouldn't be found. + * @return {MarkupContainer} + */ +var getContainerForSelector = async function ( + selector, + inspector, + expectFailure = false +) { + info("Getting the markup-container for node " + selector); + const nodeFront = await getNodeFront(selector, inspector); + const container = getContainerForNodeFront(nodeFront, inspector); + + if (expectFailure) { + ok(!container, "Shouldn't find markup-container for selector: " + selector); + } else { + ok(container, "Found markup-container for selector: " + selector); + } + + return container; +}; + +/** + * Retrieve the nodeValue for the firstChild of a provided selector on the content page. + * + * @param {String} selector + * @return {String} the nodeValue of the first + */ +function getFirstChildNodeValue(selector) { + return SpecialPowers.spawn( + gBrowser.selectedBrowser, + [selector], + _selector => { + return content.document.querySelector(_selector).firstChild.nodeValue; + } + ); +} + +/** + * Using the markupview's _waitForChildren function, wait for all queued + * children updates to be handled. + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @return a promise that resolves when all queued children updates have been + * handled + */ +function waitForChildrenUpdated({ markup }) { + info("Waiting for queued children updates to be handled"); + return new Promise(resolve => { + markup._waitForChildren().then(() => { + executeSoon(resolve); + }); + }); +} + +/** + * Simulate a click on the markup-container (a line in the markup-view) + * that corresponds to the selector passed. + * @param {String|NodeFront} selector + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @return {Promise} Resolves when the node has been selected. + */ +var clickContainer = async function (selector, inspector) { + info("Clicking on the markup-container for node " + selector); + + const nodeFront = await getNodeFront(selector, inspector); + const container = getContainerForNodeFront(nodeFront, inspector); + + const updated = container.selected + ? Promise.resolve() + : inspector.once("inspector-updated"); + EventUtils.synthesizeMouseAtCenter( + container.tagLine, + { type: "mousedown" }, + inspector.markup.doc.defaultView + ); + EventUtils.synthesizeMouseAtCenter( + container.tagLine, + { type: "mouseup" }, + inspector.markup.doc.defaultView + ); + return updated; +}; + +/** + * Focus a given editable element, enter edit mode, set value, and commit + * @param {DOMNode} field The element that gets editable after receiving focus + * and <ENTER> keypress + * @param {String} value The string value to be set into the edited field + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + */ +function setEditableFieldValue(field, value, inspector) { + field.focus(); + EventUtils.sendKey("return", inspector.panelWin); + const input = inplaceEditor(field).input; + ok(input, "Found editable field for setting value: " + value); + input.value = value; + EventUtils.sendKey("return", inspector.panelWin); +} + +/** + * Focus the new-attribute inplace-editor field of a node's markup container + * and enters the given text, then wait for it to be applied and the for the + * node to mutates (when new attribute(s) is(are) created) + * @param {String} selector The selector for the node to edit. + * @param {String} text The new attribute text to be entered (e.g. "id='test'") + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @return a promise that resolves when the node has mutated + */ +var addNewAttributes = async function (selector, text, inspector) { + info(`Entering text "${text}" in new attribute field for node ${selector}`); + + const container = await focusNode(selector, inspector); + ok(container, "The container for '" + selector + "' was found"); + + info("Listening for the markupmutation event"); + const nodeMutated = inspector.once("markupmutation"); + setEditableFieldValue(container.editor.newAttr, text, inspector); + await nodeMutated; +}; + +/** + * Checks that a node has the given attributes. + * + * @param {String} selector The selector for the node to check. + * @param {Object} expected An object containing the attributes to check. + * e.g. {id: "id1", class: "someclass"} + * + * Note that node.getAttribute() returns attribute values provided by the HTML + * parser. The parser only provides unescaped entities so & will return &. + */ +var assertAttributes = async function (selector, expected) { + const actualAttributes = await getContentPageElementAttributes(selector); + is( + actualAttributes.length, + Object.keys(expected).length, + "The node " + selector + " has the expected number of attributes." + ); + for (const attr in expected) { + const foundAttr = actualAttributes.find(({ name }) => name === attr); + const foundValue = foundAttr ? foundAttr.value : undefined; + ok(foundAttr, "The node " + selector + " has the attribute " + attr); + is( + foundValue, + expected[attr], + "The node " + selector + " has the correct " + attr + " attribute value" + ); + } +}; + +/** + * Undo the last markup-view action and wait for the corresponding mutation to + * occur + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @return a promise that resolves when the markup-mutation has been treated or + * rejects if no undo action is possible + */ +function undoChange(inspector) { + const canUndo = inspector.markup.undo.canUndo(); + ok(canUndo, "The last change in the markup-view can be undone"); + if (!canUndo) { + return Promise.reject(); + } + + const mutated = inspector.once("markupmutation"); + inspector.markup.undo.undo(); + return mutated; +} + +/** + * Redo the last markup-view action and wait for the corresponding mutation to + * occur + * @param {InspectorPanel} inspector The instance of InspectorPanel currently + * loaded in the toolbox + * @return a promise that resolves when the markup-mutation has been treated or + * rejects if no redo action is possible + */ +function redoChange(inspector) { + const canRedo = inspector.markup.undo.canRedo(); + ok(canRedo, "The last change in the markup-view can be redone"); + if (!canRedo) { + return Promise.reject(); + } + + const mutated = inspector.once("markupmutation"); + inspector.markup.undo.redo(); + return mutated; +} + +/** + * Get the selector-search input box from the inspector panel + * @return {DOMNode} + */ +function getSelectorSearchBox(inspector) { + return inspector.panelWin.document.getElementById("inspector-searchbox"); +} + +/** + * Using the inspector panel's selector search box, search for a given selector. + * The selector input string will be entered in the input field and the <ENTER> + * keypress will be simulated. + * This function won't wait for any events and is not async. It's up to callers + * to subscribe to events and react accordingly. + */ +function searchUsingSelectorSearch(selector, inspector) { + info('Entering "' + selector + '" into the selector-search input field'); + const field = getSelectorSearchBox(inspector); + field.focus(); + field.value = selector; + EventUtils.sendKey("return", inspector.panelWin); +} + +/** + * Check to see if the inspector menu items for editing are disabled. + * Things like Edit As HTML, Delete Node, etc. + * @param {NodeFront} nodeFront + * @param {InspectorPanel} inspector + * @param {Boolean} assert Should this function run assertions inline. + * @return A promise that resolves with a boolean indicating whether + * the menu items are disabled once the menu has been checked. + */ +var isEditingMenuDisabled = async function ( + nodeFront, + inspector, + assert = true +) { + // To ensure clipboard contains something to paste. + clipboard.copyString("<p>test</p>"); + + await selectNode(nodeFront, inspector); + const allMenuItems = openContextMenuAndGetAllItems(inspector); + + const deleteMenuItem = allMenuItems.find(i => i.id === "node-menu-delete"); + const editHTMLMenuItem = allMenuItems.find( + i => i.id === "node-menu-edithtml" + ); + const pasteHTMLMenuItem = allMenuItems.find( + i => i.id === "node-menu-pasteouterhtml" + ); + + if (assert) { + ok(deleteMenuItem.disabled, "Delete menu item is disabled"); + ok(editHTMLMenuItem.disabled, "Edit HTML menu item is disabled"); + ok(pasteHTMLMenuItem.disabled, "Paste HTML menu item is disabled"); + } + + return ( + deleteMenuItem.disabled && + editHTMLMenuItem.disabled && + pasteHTMLMenuItem.disabled + ); +}; + +/** + * Check to see if the inspector menu items for editing are enabled. + * Things like Edit As HTML, Delete Node, etc. + * @param {NodeFront} nodeFront + * @param {InspectorPanel} inspector + * @param {Boolean} assert Should this function run assertions inline. + * @return A promise that resolves with a boolean indicating whether + * the menu items are enabled once the menu has been checked. + */ +var isEditingMenuEnabled = async function ( + nodeFront, + inspector, + assert = true +) { + // To ensure clipboard contains something to paste. + clipboard.copyString("<p>test</p>"); + + await selectNode(nodeFront, inspector); + const allMenuItems = openContextMenuAndGetAllItems(inspector); + + const deleteMenuItem = allMenuItems.find(i => i.id === "node-menu-delete"); + const editHTMLMenuItem = allMenuItems.find( + i => i.id === "node-menu-edithtml" + ); + const pasteHTMLMenuItem = allMenuItems.find( + i => i.id === "node-menu-pasteouterhtml" + ); + + if (assert) { + ok(!deleteMenuItem.disabled, "Delete menu item is enabled"); + ok(!editHTMLMenuItem.disabled, "Edit HTML menu item is enabled"); + ok(!pasteHTMLMenuItem.disabled, "Paste HTML menu item is enabled"); + } + + return ( + !deleteMenuItem.disabled && + !editHTMLMenuItem.disabled && + !pasteHTMLMenuItem.disabled + ); +}; + +/** + * Wait for all current promises to be resolved. See this as executeSoon that + * can be used with yield. + */ +function promiseNextTick() { + return new Promise(resolve => { + executeSoon(resolve); + }); +} + +/** + * `await` with timeout. + * + * Usage: + * const badgeEventAdded = inspector.markup.once("badge-added-event"); + * ... + * const result = await awaitWithTimeout(badgeEventAdded, 3000); + * is(result, "timeout", "Ensure that no event badges were added"); + * + * @param {Promise} promise + * Promise to resolve + * @param {Number} ms + * Milliseconds to wait. + * @return "timeout" on timeout, otherwise the result of the fulfilled promise. + */ +async function awaitWithTimeout(promise, ms) { + const timeout = new Promise(resolve => { + // eslint-disable-next-line + const wait = setTimeout(() => { + clearTimeout(wait); + resolve("timeout"); + }, ms); + }); + + return Promise.race([promise, timeout]); +} + +/** + * Collapses the current text selection in an input field and tabs to the next + * field. + */ +function collapseSelectionAndTab(inspector) { + // collapse selection and move caret to end + EventUtils.sendKey("tab", inspector.panelWin); + // next element + EventUtils.sendKey("tab", inspector.panelWin); +} + +/** + * Collapses the current text selection in an input field and tabs to the + * previous field. + */ +function collapseSelectionAndShiftTab(inspector) { + // collapse selection and move caret to end + EventUtils.synthesizeKey("VK_TAB", { shiftKey: true }, inspector.panelWin); + // previous element + EventUtils.synthesizeKey("VK_TAB", { shiftKey: true }, inspector.panelWin); +} + +/** + * Check that the current focused element is an attribute element in the markup + * view. + * @param {String} attrName The attribute name expected to be found + * @param {Boolean} editMode Whether or not the attribute should be in edit mode + */ +function checkFocusedAttribute(attrName, editMode) { + const focusedAttr = Services.focus.focusedElement; + ok(focusedAttr, "Has a focused element"); + + const dataAttr = focusedAttr.parentNode.dataset.attr; + is(dataAttr, attrName, attrName + " attribute editor is currently focused."); + if (editMode) { + // Using a multiline editor for attributes, the focused element should be a textarea. + is(focusedAttr.tagName, "textarea", attrName + "is in edit mode"); + } else { + is(focusedAttr.tagName, "span", attrName + "is not in edit mode"); + } +} + +/** + * Get attributes for node as how they are represented in editor. + * + * @param {String} selector + * @param {InspectorPanel} inspector + * @return {Promise} + * A promise that resolves with an array of attribute names + * (e.g. ["id", "class", "href"]) + */ +var getAttributesFromEditor = async function (selector, inspector) { + const nodeList = ( + await getContainerForSelector(selector, inspector) + ).tagLine.querySelectorAll("[data-attr]"); + + return [...nodeList].map(node => node.getAttribute("data-attr")); +}; + +/** + * Simulate dragging a MarkupContainer by calling its mousedown and mousemove + * handlers. + * @param {InspectorPanel} inspector The current inspector-panel instance. + * @param {String|MarkupContainer} selector The selector to identify the node or + * the MarkupContainer for this node. + * @param {Number} xOffset Optional x offset to drag by. + * @param {Number} yOffset Optional y offset to drag by. + */ +async function simulateNodeDrag( + inspector, + selector, + xOffset = 10, + yOffset = 10 +) { + const container = + typeof selector === "string" + ? await getContainerForSelector(selector, inspector) + : selector; + const rect = container.tagLine.getBoundingClientRect(); + const scrollX = inspector.markup.doc.documentElement.scrollLeft; + const scrollY = inspector.markup.doc.documentElement.scrollTop; + + info("Simulate mouseDown on element " + selector); + container._onMouseDown({ + target: container.tagLine, + button: 0, + pageX: scrollX + rect.x, + pageY: scrollY + rect.y, + stopPropagation: () => {}, + preventDefault: () => {}, + }); + + // _onMouseDown selects the node, so make sure to wait for the + // inspector-updated event if the current selection was different. + if (inspector.selection.nodeFront !== container.node) { + await inspector.once("inspector-updated"); + } + + info("Simulate mouseMove on element " + selector); + container.onMouseMove({ + pageX: scrollX + rect.x + xOffset, + pageY: scrollY + rect.y + yOffset, + }); +} + +/** + * Simulate dropping a MarkupContainer by calling its mouseup handler. This is + * meant to be called after simulateNodeDrag has been called. + * @param {InspectorPanel} inspector The current inspector-panel instance. + * @param {String|MarkupContainer} selector The selector to identify the node or + * the MarkupContainer for this node. + */ +async function simulateNodeDrop(inspector, selector) { + info("Simulate mouseUp on element " + selector); + const container = + typeof selector === "string" + ? await getContainerForSelector(selector, inspector) + : selector; + container.onMouseUp(); + inspector.markup._onMouseUp(); +} + +/** + * Simulate drag'n'dropping a MarkupContainer by calling its mousedown, + * mousemove and mouseup handlers. + * @param {InspectorPanel} inspector The current inspector-panel instance. + * @param {String|MarkupContainer} selector The selector to identify the node or + * the MarkupContainer for this node. + * @param {Number} xOffset Optional x offset to drag by. + * @param {Number} yOffset Optional y offset to drag by. + */ +async function simulateNodeDragAndDrop(inspector, selector, xOffset, yOffset) { + await simulateNodeDrag(inspector, selector, xOffset, yOffset); + await simulateNodeDrop(inspector, selector); +} + +/** + * Waits until the element has not scrolled for 30 consecutive frames. + */ +async function waitForScrollStop(doc) { + const el = doc.documentElement; + const win = doc.defaultView; + let lastScrollTop = el.scrollTop; + let stopFrameCount = 0; + while (stopFrameCount < 30) { + // Wait for a frame. + await new Promise(resolve => win.requestAnimationFrame(resolve)); + + // Check if the element has scrolled. + if (lastScrollTop == el.scrollTop) { + // No scrolling since the last frame. + stopFrameCount++; + } else { + // The element has scrolled. Reset the frame counter. + stopFrameCount = 0; + lastScrollTop = el.scrollTop; + } + } + + return lastScrollTop; +} + +/** + * Select a node in the inspector and try to delete it using the provided key. After that, + * check that the expected element is focused. + * + * @param {InspectorPanel} inspector + * The current inspector-panel instance. + * @param {String} key + * The key to simulate to delete the node + * @param {Object} + * - {String} selector: selector of the element to delete. + * - {String} focusedSelector: selector of the element that should be selected + * after deleting the node. + * - {String} pseudo: optional, "before" or "after" if the element focused after + * deleting the node is supposed to be a before/after pseudo-element. + */ +async function checkDeleteAndSelection( + inspector, + key, + { selector, focusedSelector, pseudo } +) { + info( + "Test deleting node " + + selector + + " with " + + key + + ", " + + "expecting " + + focusedSelector + + " to be focused" + ); + + info("Select node " + selector + " and make sure it is focused"); + await selectNode(selector, inspector); + await clickContainer(selector, inspector); + + info("Delete the node with: " + key); + const mutated = inspector.once("markupmutation"); + EventUtils.sendKey(key, inspector.panelWin); + await Promise.all([mutated, inspector.once("inspector-updated")]); + + let nodeFront = await getNodeFront(focusedSelector, inspector); + if (pseudo) { + // Update the selector for logging in case of failure. + focusedSelector = focusedSelector + "::" + pseudo; + // Retrieve the :before or :after pseudo element of the nodeFront. + const { nodes } = await inspector.walker.children(nodeFront); + nodeFront = pseudo === "before" ? nodes[0] : nodes[nodes.length - 1]; + } + + is( + inspector.selection.nodeFront, + nodeFront, + focusedSelector + " is selected after deletion" + ); + + info("Check that the node was really removed"); + let node = await getNodeFront(selector, inspector); + ok(!node, "The node can't be found in the page anymore"); + + info("Undo the deletion to restore the original markup"); + await undoChange(inspector); + node = await getNodeFront(selector, inspector); + ok(node, "The node is back"); +} + +/** + * Click on the reveal link the provided slotted container. + * Will resolve when selection emits "new-node-front". + */ +async function clickOnRevealLink(inspector, container) { + const onSelection = inspector.selection.once("new-node-front"); + const revealLink = container.elt.querySelector(".reveal-link"); + const tagline = revealLink.closest(".tag-line"); + const win = inspector.markup.doc.defaultView; + + // First send a mouseover on the tagline to force the link to be displayed. + EventUtils.synthesizeMouseAtCenter(tagline, { type: "mouseover" }, win); + EventUtils.synthesizeMouseAtCenter(revealLink, {}, win); + + await onSelection; +} + +/** + * Hit `key` on the reveal link in the provided slotted container. + * Will resolve when selection emits "new-node-front". + */ +async function keydownOnRevealLink(key, inspector, container) { + const revealLink = container.elt.querySelector(".reveal-link"); + const win = inspector.markup.doc.defaultView; + + const root = inspector.markup.getContainer(inspector.markup._rootNode); + root.elt.focus(); + + // we need to go through a ENTER + TAB key sequence to focus on + // the .reveal-link element with the keyboard + const revealFocused = once(revealLink, "focus"); + EventUtils.synthesizeKey("KEY_Enter", {}, win); + EventUtils.synthesizeKey("KEY_Tab", {}, win); + info("Waiting for .reveal-link to be focused"); + await revealFocused; + + // hit `key` on the .reveal-link + const onSelection = inspector.selection.once("new-node-front"); + EventUtils.synthesizeKey(key, {}, win); + await onSelection; +} |