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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* This test ensures that we produce good labels for a11y purposes.
*/
const { CommonUtils } = ChromeUtils.importESModule(
"chrome://mochitests/content/browser/accessible/tests/browser/Common.sys.mjs"
);
const SUGGEST_ALL_PREF = "browser.search.suggest.enabled";
const SUGGEST_URLBAR_PREF = "browser.urlbar.suggest.searches";
const TEST_ENGINE_BASENAME = "searchSuggestionEngine.xml";
let accService;
async function getResultText(element, expectedValue, description = "") {
await BrowserTestUtils.waitForCondition(
() => {
let accessible = accService.getAccessibleFor(element);
return accessible !== null && accessible.name === expectedValue;
},
description,
200
);
}
/**
* Initializes the accessibility service and registers a cleanup function to
* shut it down. If it's not shut down properly, it can crash the current tab
* and cause the test to fail, especially in verify mode.
*
* This function is adapted from from tests in accessible/tests/browser and its
* helper functions are adapted or copied from functions of the same names in
* the same directory.
*/
async function initAccessibilityService() {
const [a11yInitObserver, a11yInit] = initAccService();
await a11yInitObserver;
accService = Cc["@mozilla.org/accessibilityService;1"].getService(
Ci.nsIAccessibilityService
);
await a11yInit;
registerCleanupFunction(async () => {
const [a11yShutdownObserver, a11yShutdownPromise] = shutdownAccService();
await a11yShutdownObserver;
accService = null;
forceGC();
await a11yShutdownPromise;
});
}
// Adapted from `initAccService()` in accessible/tests/browser/head.js
function initAccService() {
return [
CommonUtils.addAccServiceInitializedObserver(),
CommonUtils.observeAccServiceInitialized(),
];
}
// Adapted from `shutdownAccService()` in accessible/tests/browser/head.js
function shutdownAccService() {
return [
CommonUtils.addAccServiceShutdownObserver(),
CommonUtils.observeAccServiceShutdown(),
];
}
// Copied from accessible/tests/browser/shared-head.js
function forceGC() {
SpecialPowers.gc();
SpecialPowers.forceShrinkingGC();
SpecialPowers.forceCC();
SpecialPowers.gc();
SpecialPowers.forceShrinkingGC();
SpecialPowers.forceCC();
}
add_setup(async function () {
await initAccessibilityService();
});
add_task(async function switchToTab() {
let tab = BrowserTestUtils.addTab(gBrowser, "about:robots");
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
await UrlbarTestUtils.promiseAutocompleteResultPopup({
window,
value: "% robots",
});
let index = 0;
let result = await UrlbarTestUtils.getDetailsOfResultAt(window, index);
Assert.equal(
result.type,
UrlbarUtils.RESULT_TYPE.TAB_SWITCH,
"Should have a switch tab result"
);
let element = await UrlbarTestUtils.waitForAutocompleteResultAt(
window,
index
);
// The a11y text will include the "Firefox Suggest" pseudo-element label shown
// before the result.
await getResultText(
element._content,
"Firefox Suggest about:robots — Switch to Tab",
"Result a11y text is correct"
);
await UrlbarTestUtils.promisePopupClose(window);
gURLBar.handleRevert();
gBrowser.removeTab(tab);
});
add_task(async function searchSuggestions() {
await SearchTestUtils.promiseNewSearchEngine({
url: getRootDirectory(gTestPath) + TEST_ENGINE_BASENAME,
setAsDefault: true,
});
Services.prefs.setBoolPref(SUGGEST_ALL_PREF, true);
let suggestionsEnabled = Services.prefs.getBoolPref(SUGGEST_URLBAR_PREF);
Services.prefs.setBoolPref(SUGGEST_URLBAR_PREF, true);
registerCleanupFunction(async function () {
Services.prefs.clearUserPref(SUGGEST_ALL_PREF);
Services.prefs.setBoolPref(SUGGEST_URLBAR_PREF, suggestionsEnabled);
});
await UrlbarTestUtils.promiseAutocompleteResultPopup({
window,
value: "foo",
});
let length = await UrlbarTestUtils.getResultCount(window);
// Don't assume that the search doesn't match history or bookmarks left around
// by earlier tests.
Assert.greaterOrEqual(
length,
3,
"Should get at least heuristic result + two search suggestions"
);
// The first expected search is the search term itself since the heuristic
// result will come before the search suggestions.
let searchTerm = "foo";
let expectedSearches = [searchTerm, "foofoo", "foobar"];
for (let i = 0; i < length; i++) {
let result = await UrlbarTestUtils.getDetailsOfResultAt(window, i);
if (result.type === UrlbarUtils.RESULT_TYPE.SEARCH) {
Assert.greaterOrEqual(
expectedSearches.length,
0,
"Should still have expected searches remaining"
);
let element = await UrlbarTestUtils.waitForAutocompleteResultAt(
window,
i
);
// Select the row so we see the expanded text.
gURLBar.view.selectedRowIndex = i;
if (result.searchParams.inPrivateWindow) {
await getResultText(
element._content,
searchTerm + " — Search in a Private Window",
"Check result label for search in private window"
);
} else {
let suggestion = expectedSearches.shift();
await getResultText(
element._content,
suggestion +
" — Search with browser_searchSuggestionEngine searchSuggestionEngine.xml",
"Check result label for non-private search"
);
}
}
}
Assert.ok(!expectedSearches.length);
await UrlbarTestUtils.promisePopupClose(window);
});
|
