The Tor Browser: browser/devtools/markupview/test/browser_markupview_mutation

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* vim: set ts=2 et sw=2 tw=80: */

     2 /* Any copyright is dedicated to the Public Domain.

     3  http://creativecommons.org/publicdomain/zero/1.0/ */

     5 "use strict";

     7 // Test that markup-containers in the markup-view do flash when their

     8 // corresponding DOM nodes mutate

    10 const TEST_URL = TEST_URL_ROOT + "doc_markup_flashing.html";

    11 // The test data contains a list of mutations to test.

    12 // Each item is an object:

    13 // - desc: a description of the test step, for better logging

    14 // - mutate: a function that should make changes to the content DOM

    15 // - shouldFlash: a function that returns the element that should be the one flashing

    16 const TEST_DATA = [{

    17   desc: "Adding a new node should flash the new node",

    18   mutate: (doc, rootNode) => {

    19     let newLi = doc.createElement("LI");

    20     newLi.textContent = "new list item";

    21     rootNode.appendChild(newLi);

    22   },

    23   shouldFlash: rootNode => rootNode.lastElementChild

    24 }, {

    25   desc: "Removing a node should flash its parent",

    26   mutate: (doc, rootNode) => {

    27     rootNode.removeChild(rootNode.lastElementChild);

    28   },

    29   shouldFlash: rootNode => rootNode

    30 }, {

    31   desc: "Re-appending an existing node should only flash this node",

    32   mutate: (doc, rootNode) => {

    33     rootNode.appendChild(rootNode.firstElementChild);

    34   },

    35   shouldFlash: rootNode => rootNode.lastElementChild

    36 }, {

    37   desc: "Adding an attribute should flash the node",

    38   mutate: (doc, rootNode) => {

    39     rootNode.setAttribute("name-" + Date.now(), "value-" + Date.now());

    40   },

    41   shouldFlash: rootNode => rootNode

    42 }, {

    43   desc: "Editing an attribute should flash the node",

    44   mutate: (doc, rootNode) => {

    45     rootNode.setAttribute("class", "list value-" + Date.now());

    46   },

    47   shouldFlash: rootNode => rootNode

    48 }, {

    49   desc: "Removing an attribute should flash the node",

    50   mutate: (doc, rootNode) => {

    51     rootNode.removeAttribute("class");

    52   },

    53   shouldFlash: rootNode => rootNode

    54 }];

    56 let test = asyncTest(function*() {

    57   let {inspector} = yield addTab(TEST_URL).then(openInspector);

    59   info("Getting the <ul.list> root node to test mutations on");

    60   let rootNode = getNode(".list");

    62   info("Selecting the last element of the root node before starting");

    63   yield selectNode(rootNode.lastElementChild, inspector);

    65   for (let {mutate, shouldFlash, desc} of TEST_DATA) {

    66     info("Starting test: " + desc);

    68     info("Mutating the DOM and listening for markupmutation event");

    69     let mutated = inspector.once("markupmutation");

    70     let updated = inspector.once("inspector-updated");

    71     mutate(content.document, rootNode);

    72     yield mutated;

    74     info("Asserting that the correct markup-container is flashing");

    75     assertNodeFlashing(shouldFlash(rootNode), inspector);

    77     // Making sure the inspector has finished updating before moving on

    78     yield updated;

    79   }

    80 });

    82 function assertNodeFlashing(node, inspector) {

    83   let container = getContainerForRawNode(node, inspector);

    85   if (!container) {

    86     ok(false, "Node not found");

    87   } else {

    88     ok(container.tagState.classList.contains("theme-bg-contrast"),

    89       "Node is flashing");

    90   }

    91 }

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