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<?php
use MediaWiki\User\User;
/**
* @since 1.28
*/
class TestUserRegistry {
/** @var TestUser[] (group key => TestUser) */
private static $testUsers = [];
/** @var int Count of users that have been generated */
private static $counter = 0;
/** @var int Random int, included in IDs */
private static $randInt;
public static function getNextId() {
if ( !self::$randInt ) {
self::$randInt = mt_rand( 1, 0xFFFFFF );
}
return sprintf( '%06x.%03x', self::$randInt, ++self::$counter );
}
/**
* Get a TestUser object that the caller may modify.
*
* @since 1.28
*
* @param string $testName Caller's __CLASS__ or arbitrary string. Used to generate the
* user's username.
* @param string|string[] $groups Groups the test user should be added to.
* @param string|null $userPrefix if non-null, the user prefix will be as specified instead of "TestUser"
* @return TestUser
*/
public static function getMutableTestUser( $testName, $groups = [], $userPrefix = null ) {
$id = self::getNextId();
$testUserName = "$testName $id";
$userPrefix ??= "TestUser";
$testUser = new TestUser(
"$userPrefix $testName $id",
"Name $id",
"$id@mediawiki.test",
(array)$groups
);
$testUser->getUser()->clearInstanceCache();
return $testUser;
}
/**
* Get a TestUser object that the caller may not modify.
*
* Whenever possible, unit tests should use immutable users, because
* immutable users can be reused in multiple tests, which helps keep
* the unit tests fast.
*
* @since 1.28
*
* @param string|string[] $groups Groups the test user should be added to.
* @return TestUser
*/
public static function getImmutableTestUser( $groups = [] ) {
$groups = array_unique( (array)$groups );
sort( $groups );
$key = implode( ',', $groups );
$testUser = self::$testUsers[$key] ?? false;
if ( !$testUser || !$testUser->getUser()->isRegistered() ) {
$id = self::getNextId();
// Hack! If this is the primary sysop account, make the username
// be 'UTSysop', for back-compat, and for the sake of PHPUnit data
// provider methods, which are executed before the test database
// is set up. See T136348.
if ( $groups === [ 'bureaucrat', 'sysop' ] ) {
$username = 'UTSysop';
} else {
$username = "TestUser $id";
}
self::$testUsers[$key] = $testUser = new TestUser(
$username,
"Name $id",
"$id@mediawiki.test",
$groups
);
}
$testUser->getUser()->clearInstanceCache();
return self::$testUsers[$key];
}
/**
* TestUsers created by this class will not be deleted, but any handles
* to existing immutable TestUsers will be deleted, ensuring these users
* are not reused. We don't reset the counter or random string by design.
*
* @since 1.28
*/
public static function clear() {
self::$testUsers = [];
}
/**
* Call clearInstanceCache() on all User objects known to the registry.
* This ensures that the User objects do not retain stale references
* to service objects.
*
* @since 1.39
*/
public static function clearInstanceCaches() {
foreach ( self::$testUsers as $user ) {
$user->getUser()->clearInstanceCache();
}
}
/**
* @todo It would be nice if this were a non-static method of TestUser
* instead, but that doesn't seem possible without friends?
*
* @param User $user
* @return bool True if it's safe to modify the user
*/
public static function isMutable( User $user ) {
foreach ( self::$testUsers as $key => $testUser ) {
if ( $user === $testUser->getUser() ) {
return false;
}
}
return true;
}
}