gecko/browser/devtools/markupview/test/browser_markupview_mutation_02.js

101 lines
3.5 KiB
JavaScript

/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test that markup-containers in the markup-view do flash when their
// corresponding DOM nodes mutate
const TEST_URL = TEST_URL_ROOT + "doc_markup_flashing.html";
// The test data contains a list of mutations to test.
// Each item is an object:
// - desc: a description of the test step, for better logging
// - mutate: a function that should make changes to the content DOM
// - flashedNode: [optional] the css selector of the node that is expected to
// flash in the markup-view as a result of the mutation.
// If missing, the rootNode (".list") will be expected to flash
const TEST_DATA = [{
desc: "Adding a new node should flash the new node",
mutate: (doc, rootNode) => {
let newLi = doc.createElement("LI");
newLi.textContent = "new list item";
rootNode.appendChild(newLi);
},
flashedNode: ".list li:nth-child(3)"
}, {
desc: "Removing a node should flash its parent",
mutate: (doc, rootNode) => {
rootNode.removeChild(rootNode.lastElementChild);
}
}, {
desc: "Re-appending an existing node should only flash this node",
mutate: (doc, rootNode) => {
rootNode.appendChild(rootNode.firstElementChild);
},
flashedNode: ".list .item:last-child"
}, {
desc: "Adding an attribute should flash the node",
mutate: (doc, rootNode) => {
rootNode.setAttribute("name-" + Date.now(), "value-" + Date.now());
}
}, {
desc: "Editing an attribute should flash the node",
mutate: (doc, rootNode) => {
rootNode.setAttribute("class", "list value-" + Date.now());
}
}, {
desc: "Removing an attribute should flash the node",
mutate: (doc, rootNode) => {
rootNode.removeAttribute("class");
}
}];
let test = asyncTest(function*() {
let {inspector} = yield addTab(TEST_URL).then(openInspector);
// Make sure mutated nodes flash for a very long time so we can more easily
// assert they do
inspector.markup.CONTAINER_FLASHING_DURATION = 1000 * 60 * 60;
info("Getting the <ul.list> root node to test mutations on");
let rootNode = getNode(".list");
let rootNodeFront = yield getNodeFront(".list", inspector);
info("Selecting the last element of the root node before starting");
yield selectNode(".list .item:nth-child(2)", inspector);
for (let {mutate, flashedNode, desc} of TEST_DATA) {
info("Starting test: " + desc);
info("Mutating the DOM and listening for markupmutation event");
let mutated = inspector.once("markupmutation");
let updated = inspector.once("inspector-updated");
mutate(content.document, rootNode);
yield mutated;
info("Asserting that the correct markup-container is flashing");
let flashingNodeFront = rootNodeFront;
if (flashedNode) {
flashingNodeFront = yield getNodeFront(flashedNode, inspector);
}
yield assertNodeFlashing(flashingNodeFront, inspector);
// Making sure the inspector has finished updating before moving on
yield updated;
}
});
function* assertNodeFlashing(nodeFront, inspector) {
let container = getContainerForNodeFront(nodeFront, inspector);
ok(container, "Markup container for node found");
ok(container.tagState.classList.contains("theme-bg-contrast"),
"Markup container for node is flashing");
// Clear the mutation flashing timeout now that we checked the node was flashing
let markup = inspector.markup;
markup._frame.contentWindow.clearTimeout(container._flashMutationTimer);
container._flashMutationTimer = null;
}