mozilla-central/toolkit/components/viewsource/test/browser/browser_viewsourceprefs.js (file symbol)

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/* Any copyright is dedicated to the Public Domain.
*/
var plaintextURL = "data:text/plain,hello+world";
var htmlURL = "about:mozilla";
add_setup(async function () {
registerCleanupFunction(function () {
SpecialPowers.clearUserPref("view_source.tab_size");
SpecialPowers.clearUserPref("view_source.wrap_long_lines");
SpecialPowers.clearUserPref("view_source.syntax_highlight");
});
});
add_task(async function () {
await exercisePrefs(plaintextURL, false);
await exercisePrefs(htmlURL, true);
});
const contextMenu = document.getElementById("contentAreaContextMenu");
async function openContextMenu(browser) {
info("Opening context menu");
const popupShownPromise = BrowserTestUtils.waitForEvent(
contextMenu,
"popupshown"
);
await BrowserTestUtils.synthesizeMouseAtCenter(
"html",
{ type: "contextmenu", button: 2 },
browser
);
await popupShownPromise;
info("Opened context menu");
}
async function closeContextMenu() {
const popupHiddenPromise = BrowserTestUtils.waitForEvent(
contextMenu,
"popuphidden"
);
contextMenu.hidePopup();
await popupHiddenPromise;
}
async function simulateClick(id) {
const popupHiddenPromise = BrowserTestUtils.waitForEvent(
contextMenu,
"popuphidden"
);
contextMenu.activateItem(document.getElementById(id));
await popupHiddenPromise;
}
function getAttribute(id, attribute) {
let item = document.getElementById(id);
return item.getAttribute(attribute);
}
var exercisePrefs = async function (source, highlightable) {
let tab = await openDocument(source);
let browser = tab.linkedBrowser;
const wrapMenuItem = "context-viewsource-wrapLongLines";
const syntaxMenuItem = "context-viewsource-highlightSyntax";
// Test the default states of these menu items.
await checkStyle(browser, "-moz-tab-size", 4);
await openContextMenu(browser);
await checkStyle(browser, "white-space", "pre");
await checkHighlight(browser, highlightable);
is(
getAttribute(wrapMenuItem, "checked"),
"false",
"Wrap menu item not checked by default"
);
is(
getAttribute(syntaxMenuItem, "checked"),
"true",
"Syntax menu item checked by default"
);
await closeContextMenu();
// Next, test that the Wrap Long Lines menu item works.
let prefReady = waitForPrefChange("view_source.wrap_long_lines");
await openContextMenu(browser);
await simulateClick(wrapMenuItem);
await openContextMenu(browser);
await checkStyle(browser, "white-space", "pre-wrap");
is(getAttribute(wrapMenuItem, "checked"), "true", "Wrap menu item checked");
await prefReady;
is(
SpecialPowers.getBoolPref("view_source.wrap_long_lines"),
true,
"Wrap pref set"
);
await closeContextMenu();
prefReady = waitForPrefChange("view_source.wrap_long_lines");
await openContextMenu(browser);
await simulateClick(wrapMenuItem);
await openContextMenu(browser);
await checkStyle(browser, "white-space", "pre");
is(
getAttribute(wrapMenuItem, "checked"),
"false",
"Wrap menu item unchecked"
);
await prefReady;
is(
SpecialPowers.getBoolPref("view_source.wrap_long_lines"),
false,
"Wrap pref set"
);
await closeContextMenu();
// Check that the Syntax Highlighting menu item works.
prefReady = waitForPrefChange("view_source.syntax_highlight");
await openContextMenu(browser);
await simulateClick(syntaxMenuItem);
await openContextMenu(browser);
await checkHighlight(browser, false);
is(
getAttribute(syntaxMenuItem, "checked"),
"false",
"Syntax menu item unchecked"
);
await prefReady;
is(
SpecialPowers.getBoolPref("view_source.syntax_highlight"),
false,
"Syntax highlighting pref set"
);
await closeContextMenu();
prefReady = waitForPrefChange("view_source.syntax_highlight");
await openContextMenu(browser);
await simulateClick(syntaxMenuItem);
await openContextMenu(browser);
await checkHighlight(browser, highlightable);
is(
getAttribute(syntaxMenuItem, "checked"),
"true",
"Syntax menu item checked"
);
await prefReady;
is(
SpecialPowers.getBoolPref("view_source.syntax_highlight"),
true,
"Syntax highlighting pref set"
);
await closeContextMenu();
gBrowser.removeTab(tab);
// Open a new view-source window to check that the prefs are obeyed.
SpecialPowers.setIntPref("view_source.tab_size", 2);
SpecialPowers.setBoolPref("view_source.wrap_long_lines", true);
SpecialPowers.setBoolPref("view_source.syntax_highlight", false);
tab = await openDocument(source);
browser = tab.linkedBrowser;
await checkStyle(browser, "-moz-tab-size", 2);
await openContextMenu(browser);
await checkStyle(browser, "white-space", "pre-wrap");
await checkHighlight(browser, false);
is(getAttribute(wrapMenuItem, "checked"), "true", "Wrap menu item checked");
is(
getAttribute(syntaxMenuItem, "checked"),
"false",
"Syntax menu item unchecked"
);
SpecialPowers.clearUserPref("view_source.tab_size");
SpecialPowers.clearUserPref("view_source.wrap_long_lines");
SpecialPowers.clearUserPref("view_source.syntax_highlight");
await closeContextMenu();
gBrowser.removeTab(tab);
};
var checkStyle = async function (browser, styleProperty, expected) {
let value = await SpecialPowers.spawn(
browser,
[styleProperty],
async function (styleProperty) {
let style = content.getComputedStyle(content.document.body);
return style.getPropertyValue(styleProperty);
}
);
is(value, "" + expected, "Correct value of " + styleProperty);
};
var checkHighlight = async function (browser, expected) {
let highlighted = await SpecialPowers.spawn(browser, [], async function () {
let spans = content.document.getElementsByTagName("span");
return Array.prototype.some.call(spans, span => {
let style = content.getComputedStyle(span);
return style.getPropertyValue("color") !== "rgb(0, 0, 0)";
});
});
is(highlighted, expected, "Syntax highlighting " + (expected ? "on" : "off"));
};