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Test Info: Warnings
- This test gets skipped with pattern: artifact OR headless OR os != 'win'
- Manifest: accessible/tests/browser/windows/ia2/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
const PREF_ACCESSIBILITY_FORCE_DISABLED = "accessibility.force_disabled";
const { CommonUtils } = ChromeUtils.importESModule(
);
function initAccService() {
return [
CommonUtils.addAccServiceInitializedObserver(),
CommonUtils.observeAccServiceInitialized(),
];
}
function shutdownAccService() {
return [
CommonUtils.addAccServiceShutdownObserver(),
CommonUtils.observeAccServiceShutdown(),
];
}
add_setup(async function () {
// Load an in-process chrome document, so that when we query via the
// platform API below, the embedded document is available synchronously,
// rather than needing to wait for a remote (content process) document to
// be embedded.
BrowserTestUtils.startLoadingURIString(
gBrowser.selectedBrowser,
"about:mozilla"
);
await BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
});
add_task(async function testAutoStartsOnPlatformQuery() {
// common.js eagerly instantiated the service via XPCOM as soon as this
// test file's head.js loaded. Force disable to guarantee a real shutdown
// regardless of that or any other outstanding consumer, then go back to
// auto (0), so we have a clean starting point to test that case.
info("Shutting down accessibility");
let [a11yShutdownObserver, a11yShutdown] = shutdownAccService();
await a11yShutdownObserver;
await SpecialPowers.pushPrefEnv({
set: [[PREF_ACCESSIBILITY_FORCE_DISABLED, 1]],
});
await a11yShutdown;
await SpecialPowers.pushPrefEnv({
set: [[PREF_ACCESSIBILITY_FORCE_DISABLED, 0]],
});
ok(
!Services.appinfo.accessibilityEnabled,
"Accessibility is not running with force_disabled=0 and no platform query"
);
info("Executing platform API query");
let [a11yInitObserver, a11yInit] = initAccService();
await a11yInitObserver;
const role = await runPython(`
global doc
doc = getDocIa2()
return doc.role()
`);
await a11yInit;
is(typeof role, "number", "Got a role for the document via IA2");
ok(
Services.appinfo.accessibilityEnabled,
"Accessibility started because the platform API was used"
);
});
add_task(async function testForceDisabledBlocksPlatformQuery() {
info("Force disabling accessibility");
let [a11yShutdownObserver, a11yShutdown] = shutdownAccService();
await a11yShutdownObserver;
await SpecialPowers.pushPrefEnv({
set: [[PREF_ACCESSIBILITY_FORCE_DISABLED, 1]],
});
await a11yShutdown;
ok(
!Services.appinfo.accessibilityEnabled,
"Accessibility is disabled by force_disabled=1"
);
info("Executing platform API query");
let failed = false;
try {
await runPython(`getDocIa2()`);
} catch (e) {
failed = true;
}
ok(failed, "The platform API can't reach the document while force disabled");
ok(
!Services.appinfo.accessibilityEnabled,
"Accessibility is still disabled after the failed platform query"
);
});
add_task(async function testForceEnabledStartsAtRuntime() {
info("Force enabling accessibility");
let [a11yInitObserver, a11yInit] = initAccService();
await a11yInitObserver;
await SpecialPowers.pushPrefEnv({
set: [[PREF_ACCESSIBILITY_FORCE_DISABLED, -1]],
});
await a11yInit;
ok(
Services.appinfo.accessibilityEnabled,
"Accessibility was force enabled at runtime"
);
info("Executing platform API query");
const role = await runPython(`
global doc
doc = getDocIa2()
return doc.role()
`);
is(typeof role, "number", "Could still query the document via IA2");
});