gecko/browser/devtools/styleinspector/test/browser_ruleview_refresh-on-attribute-change_01.js

60 lines
2.2 KiB
JavaScript

/* vim: set ft=javascript 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 changing the current element's attributes refreshes the rule-view
add_task(function*() {
yield addTab("data:text/html;charset=utf-8,browser_ruleview_refresh-on-attribute-change.js");
info("Preparing the test document and node");
let style = '' +
'#testid {' +
' background-color: blue;' +
'} ' +
'.testclass {' +
' background-color: green;' +
'}';
let styleNode = addStyle(content.document, style);
content.document.body.innerHTML = '<div id="testid" class="testclass">Styled Node</div>';
let testElement = getNode("#testid");
let elementStyle = 'margin-top: 1px; padding-top: 5px;'
testElement.setAttribute("style", elementStyle);
let {toolbox, inspector, view} = yield openRuleView();
yield selectNode("#testid", inspector);
info("Checking that the rule-view has the element, #testid and .testclass selectors");
checkRuleViewContent(view, ["element", "#testid", ".testclass"]);
info("Changing the node's ID attribute and waiting for the rule-view refresh");
let ruleViewRefreshed = inspector.once("rule-view-refreshed");
testElement.setAttribute("id", "differentid");
yield ruleViewRefreshed;
info("Checking that the rule-view doesn't have the #testid selector anymore");
checkRuleViewContent(view, ["element", ".testclass"]);
info("Reverting the ID attribute change");
ruleViewRefreshed = inspector.once("rule-view-refreshed");
testElement.setAttribute("id", "testid");
yield ruleViewRefreshed;
info("Checking that the rule-view has all the selectors again");
checkRuleViewContent(view, ["element", "#testid", ".testclass"]);
});
function checkRuleViewContent(view, expectedSelectors) {
let selectors = view.doc.querySelectorAll(".ruleview-selector");
is(selectors.length, expectedSelectors.length,
expectedSelectors.length + " selectors are displayed");
for (let i = 0; i < expectedSelectors.length; i ++) {
is(selectors[i].textContent.indexOf(expectedSelectors[i]), 0,
"Selector " + (i + 1) + " is " + expectedSelectors[i]);
}
}