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

92 lines
3.0 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
// - shouldFlash: a function that returns the element that should be the one flashing
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);
},
shouldFlash: rootNode => rootNode.lastElementChild
}, {
desc: "Removing a node should flash its parent",
mutate: (doc, rootNode) => {
rootNode.removeChild(rootNode.lastElementChild);
},
shouldFlash: rootNode => rootNode
}, {
desc: "Re-appending an existing node should only flash this node",
mutate: (doc, rootNode) => {
rootNode.appendChild(rootNode.firstElementChild);
},
shouldFlash: rootNode => rootNode.lastElementChild
}, {
desc: "Adding an attribute should flash the node",
mutate: (doc, rootNode) => {
rootNode.setAttribute("name-" + Date.now(), "value-" + Date.now());
},
shouldFlash: rootNode => rootNode
}, {
desc: "Editing an attribute should flash the node",
mutate: (doc, rootNode) => {
rootNode.setAttribute("class", "list value-" + Date.now());
},
shouldFlash: rootNode => rootNode
}, {
desc: "Removing an attribute should flash the node",
mutate: (doc, rootNode) => {
rootNode.removeAttribute("class");
},
shouldFlash: rootNode => rootNode
}];
let test = asyncTest(function*() {
let {inspector} = yield addTab(TEST_URL).then(openInspector);
info("Getting the <ul.list> root node to test mutations on");
let rootNode = getNode(".list");
info("Selecting the last element of the root node before starting");
yield selectNode(rootNode.lastElementChild, inspector);
for (let {mutate, shouldFlash, 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");
assertNodeFlashing(shouldFlash(rootNode), inspector);
// Making sure the inspector has finished updating before moving on
yield updated;
}
});
function assertNodeFlashing(node, inspector) {
let container = getContainerForRawNode(node, inspector);
if (!container) {
ok(false, "Node not found");
} else {
ok(container.tagState.classList.contains("theme-bg-contrast"),
"Node is flashing");
}
}