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Test Info: Warnings
- This test runs only with pattern: os != 'android'
- Manifest: browser/components/tests/unit/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
const { ProfileDataUpgrader } = ChromeUtils.importESModule(
"moz-src:///browser/components/ProfileDataUpgrader.sys.mjs"
);
const PREF = "browser.ipProtection.hasSeenFeature";
add_setup(() => {
registerCleanupFunction(() => {
Services.prefs.clearUserPref(PREF);
Services.prefs.clearUserPref("browser.migration.version");
});
});
add_task(async function existing_profile_is_grandfathered() {
Services.prefs.clearUserPref(PREF);
// The pref defaults to `true` on Nightly, where the upgrade cannot pin a user
// value: the pref is not sticky, so setting it to its default value is a
// no-op. The default keeps the feature exposed there anyway.
const defaultValue = Services.prefs.getDefaultBranch("").getBoolPref(PREF);
ProfileDataUpgrader.upgrade(179, 180);
Assert.equal(
Services.prefs.prefHasUserValue(PREF),
!defaultValue,
"The upgrade should pin a user value wherever the default is `false`"
);
Assert.ok(
Services.prefs.getBoolPref(PREF, false),
"Existing profiles should keep seeing the feature"
);
});
add_task(async function user_value_is_preserved() {
// Only a user value of `false` tells an untouched pref from an overwritten
// one, and it needs a `true` default to exist at all: the pref is not sticky,
// so setting it to its default value clears the user value.
const defaultBranch = Services.prefs.getDefaultBranch("");
const origDefault = defaultBranch.getBoolPref(PREF);
defaultBranch.setBoolPref(PREF, true);
Services.prefs.setBoolPref(PREF, false);
ProfileDataUpgrader.upgrade(179, 180);
Assert.ok(
Services.prefs.prefHasUserValue(PREF),
"The upgrade should not clear an existing user value"
);
Assert.equal(
Services.prefs.getBoolPref(PREF),
false,
"An existing user value should not be overwritten"
);
Services.prefs.clearUserPref(PREF);
defaultBranch.setBoolPref(PREF, origDefault);
});