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/* 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";
// Check that user agent styles are inspectable via rule view if
// it is preffed on.
var PREF_UA_STYLES = "devtools.inspector.showUserAgentStyles";
const { PrefObserver } = require("devtools/client/styleeditor/utils");
const TEST_URI = URL_ROOT + "doc_author-sheet.html";
const TEST_DATA = [
{
selector: "blockquote",
numUserRules: 1,
numUARules: 0
},
{
selector: "pre",
numUserRules: 1,
numUARules: 0
},
{
selector: "input[type=range]",
numUserRules: 1,
numUARules: 0
},
{
selector: "input[type=number]",
numUserRules: 1,
numUARules: 0
},
{
selector: "input[type=color]",
numUserRules: 1,
numUARules: 0
},
{
selector: "input[type=text]",
numUserRules: 1,
numUARules: 0
},
{
selector: "progress",
numUserRules: 1,
numUARules: 0
},
// Note that some tests below assume that the "a" selector is the
// last test in TEST_DATA.
{
selector: "a",
numUserRules: 3,
numUARules: 0
}
];
add_task(function* () {
requestLongerTimeout(4);
info("Starting the test with the pref set to true before toolbox is opened");
yield setUserAgentStylesPref(true);
yield addTab(TEST_URI);
let {inspector, view} = yield openRuleView();
info("Making sure that UA styles are visible on initial load");
yield userAgentStylesVisible(inspector, view);
info("Making sure that setting the pref to false hides UA styles");
yield setUserAgentStylesPref(false);
yield userAgentStylesNotVisible(inspector, view);
info("Making sure that resetting the pref to true shows UA styles again");
yield setUserAgentStylesPref(true);
yield userAgentStylesVisible(inspector, view);
info("Resetting " + PREF_UA_STYLES);
Services.prefs.clearUserPref(PREF_UA_STYLES);
});
function* setUserAgentStylesPref(val) {
info("Setting the pref " + PREF_UA_STYLES + " to: " + val);
// Reset the pref and wait for PrefObserver to callback so UI
// has a chance to get updated.
let oncePrefChanged = defer();
let prefObserver = new PrefObserver("devtools.");
prefObserver.on(PREF_UA_STYLES, oncePrefChanged.resolve);
Services.prefs.setBoolPref(PREF_UA_STYLES, val);
yield oncePrefChanged.promise;
prefObserver.off(PREF_UA_STYLES, oncePrefChanged.resolve);
}
function* userAgentStylesVisible(inspector, view) {
info("Making sure that user agent styles are currently visible");
let userRules;
let uaRules;
for (let data of TEST_DATA) {
yield selectNode(data.selector, inspector);
yield compareAppliedStylesWithUI(inspector, view, "ua");
userRules = view._elementStyle.rules.filter(rule=>rule.editor.isEditable);
uaRules = view._elementStyle.rules.filter(rule=>!rule.editor.isEditable);
is(userRules.length, data.numUserRules, "Correct number of user rules");
ok(uaRules.length > data.numUARules, "Has UA rules");
}
ok(userRules.some(rule => rule.matchedSelectors.length === 1),
"There is an inline style for element in user styles");
// These tests rely on the "a" selector being the last test in
// TEST_DATA.
ok(uaRules.some(rule => {
return rule.matchedSelectors.indexOf(":any-link") !== -1;
}), "There is a rule for :any-link");
ok(uaRules.some(rule => {
return rule.matchedSelectors.indexOf("*|*:link") !== -1;
}), "There is a rule for *|*:link");
ok(uaRules.some(rule => {
return rule.matchedSelectors.length === 1;
}), "Inline styles for ua styles");
}
function* userAgentStylesNotVisible(inspector, view) {
info("Making sure that user agent styles are not currently visible");
let userRules;
let uaRules;
for (let data of TEST_DATA) {
yield selectNode(data.selector, inspector);
yield compareAppliedStylesWithUI(inspector, view);
userRules = view._elementStyle.rules.filter(rule=>rule.editor.isEditable);
uaRules = view._elementStyle.rules.filter(rule=>!rule.editor.isEditable);
is(userRules.length, data.numUserRules, "Correct number of user rules");
is(uaRules.length, data.numUARules, "No UA rules");
}
}
function* compareAppliedStylesWithUI(inspector, view, filter) {
info("Making sure that UI is consistent with pageStyle.getApplied");
let entries = yield inspector.pageStyle.getApplied(
inspector.selection.nodeFront,
{
inherited: true,
matchedSelectors: true,
filter: filter
}
);
// We may see multiple entries that map to a given rule; filter the
// duplicates here to match what the UI does.
let entryMap = new Map();
for (let entry of entries) {
entryMap.set(entry.rule, entry);
}
entries = [...entryMap.values()];
let elementStyle = view._elementStyle;
is(elementStyle.rules.length, entries.length,
"Should have correct number of rules (" + entries.length + ")");
entries = entries.sort((a, b) => {
return (a.pseudoElement || "z") > (b.pseudoElement || "z");
});
entries.forEach((entry, i) => {
let elementStyleRule = elementStyle.rules[i];
is(elementStyleRule.inherited, entry.inherited,
"Same inherited (" + entry.inherited + ")");
is(elementStyleRule.isSystem, entry.isSystem,
"Same isSystem (" + entry.isSystem + ")");
is(elementStyleRule.editor.isEditable, !entry.isSystem,
"Editor isEditable opposite of UA (" + entry.isSystem + ")");
});
}
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