3 * Holds tests for LBFactory abstract MediaWiki class.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
21 * @author Antoine Musso
22 * @copyright © 2013 Antoine Musso
23 * @copyright © 2013 Wikimedia Foundation Inc.
26 use Wikimedia\Rdbms\IDatabase
;
27 use Wikimedia\Rdbms\IMaintainableDatabase
;
28 use Wikimedia\Rdbms\LBFactory
;
29 use Wikimedia\Rdbms\LBFactorySimple
;
30 use Wikimedia\Rdbms\LBFactoryMulti
;
31 use Wikimedia\Rdbms\LoadBalancer
;
32 use Wikimedia\Rdbms\ChronologyProtector
;
33 use Wikimedia\Rdbms\MySQLMasterPos
;
34 use Wikimedia\Rdbms\DatabaseDomain
;
35 use Wikimedia\Rdbms\LoadMonitorNull
;
39 * @covers \Wikimedia\Rdbms\LBFactory
40 * @covers \Wikimedia\Rdbms\LBFactorySimple
41 * @covers \Wikimedia\Rdbms\LBFactoryMulti
43 class LBFactoryTest
extends MediaWikiTestCase
{
46 * @covers MWLBFactory::getLBFactoryClass()
47 * @dataProvider getLBFactoryClassProvider
49 public function testGetLBFactoryClass( $expected, $deprecated ) {
50 $mockDB = $this->getMockBuilder( IDatabase
::class )
51 ->disableOriginalConstructor()
55 'class' => $deprecated,
56 'connection' => $mockDB,
57 # Various other parameters required:
60 'serverTemplate' => [],
63 $this->hideDeprecated( '$wgLBFactoryConf must be updated. See RELEASE-NOTES for details' );
64 $result = MWLBFactory
::getLBFactoryClass( $config );
66 $this->assertEquals( $expected, $result );
69 public function getLBFactoryClassProvider() {
71 # Format: new class, old class
72 [ Wikimedia\Rdbms\LBFactorySimple
::class, 'LBFactory_Simple' ],
73 [ Wikimedia\Rdbms\LBFactorySingle
::class, 'LBFactory_Single' ],
74 [ Wikimedia\Rdbms\LBFactoryMulti
::class, 'LBFactory_Multi' ],
75 [ Wikimedia\Rdbms\LBFactorySimple
::class, 'LBFactorySimple' ],
76 [ Wikimedia\Rdbms\LBFactorySingle
::class, 'LBFactorySingle' ],
77 [ Wikimedia\Rdbms\LBFactoryMulti
::class, 'LBFactoryMulti' ],
82 * @covers \Wikimedia\Rdbms\LBFactory::getLocalDomainID()
83 * @covers \Wikimedia\Rdbms\LBFactory::resolveDomainID()
85 public function testLBFactorySimpleServer() {
86 global $wgDBserver, $wgDBname, $wgDBuser, $wgDBpassword, $wgDBtype, $wgSQLiteDataDir;
90 'host' => $wgDBserver,
91 'dbname' => $wgDBname,
93 'password' => $wgDBpassword,
95 'dbDirectory' => $wgSQLiteDataDir,
97 'flags' => DBO_TRX
// REPEATABLE-READ for consistency
101 $factory = new LBFactorySimple( [ 'servers' => $servers ] );
102 $lb = $factory->getMainLB();
104 $dbw = $lb->getConnection( DB_MASTER
);
105 $this->assertTrue( $dbw->getLBInfo( 'master' ), 'master shows as master' );
107 $dbr = $lb->getConnection( DB_REPLICA
);
108 $this->assertTrue( $dbr->getLBInfo( 'master' ), 'DB_REPLICA also gets the master' );
110 $this->assertSame( 'my_test_wiki', $factory->resolveDomainID( 'my_test_wiki' ) );
111 $this->assertSame( $factory->getLocalDomainID(), $factory->resolveDomainID( false ) );
113 $factory->shutdown();
116 public function testLBFactorySimpleServers() {
117 global $wgDBserver, $wgDBname, $wgDBuser, $wgDBpassword, $wgDBtype, $wgSQLiteDataDir;
121 'host' => $wgDBserver,
122 'dbname' => $wgDBname,
124 'password' => $wgDBpassword,
126 'dbDirectory' => $wgSQLiteDataDir,
128 'flags' => DBO_TRX
// REPEATABLE-READ for consistency
130 [ // emulated replica
131 'host' => $wgDBserver,
132 'dbname' => $wgDBname,
134 'password' => $wgDBpassword,
136 'dbDirectory' => $wgSQLiteDataDir,
138 'flags' => DBO_TRX
// REPEATABLE-READ for consistency
142 $factory = new LBFactorySimple( [
143 'servers' => $servers,
144 'loadMonitorClass' => LoadMonitorNull
::class
146 $lb = $factory->getMainLB();
148 $dbw = $lb->getConnection( DB_MASTER
);
149 $this->assertTrue( $dbw->getLBInfo( 'master' ), 'master shows as master' );
151 ( $wgDBserver != '' ) ?
$wgDBserver : 'localhost',
152 $dbw->getLBInfo( 'clusterMasterHost' ),
153 'cluster master set' );
155 $dbr = $lb->getConnection( DB_REPLICA
);
156 $this->assertTrue( $dbr->getLBInfo( 'replica' ), 'replica shows as replica' );
158 ( $wgDBserver != '' ) ?
$wgDBserver : 'localhost',
159 $dbr->getLBInfo( 'clusterMasterHost' ),
160 'cluster master set' );
162 $factory->shutdown();
165 public function testLBFactoryMultiConns() {
166 $factory = $this->newLBFactoryMultiLBs();
168 $dbw = $factory->getMainLB()->getConnection( DB_MASTER
);
169 $this->assertTrue( $dbw->getLBInfo( 'master' ), 'master shows as master' );
171 $dbr = $factory->getMainLB()->getConnection( DB_REPLICA
);
172 $this->assertTrue( $dbr->getLBInfo( 'replica' ), 'replica shows as replica' );
174 // Destructor should trigger without round stage errors
178 public function testLBFactoryMultiRoundCallbacks() {
180 $countLBsFunc = function ( LBFactoryMulti
$factory ) {
182 $factory->forEachLB( function () use ( &$count ) {
189 $factory = $this->newLBFactoryMultiLBs();
190 $this->assertSame( 0, $countLBsFunc( $factory ) );
191 $dbw = $factory->getMainLB()->getConnection( DB_MASTER
);
192 $this->assertEquals( 1, $countLBsFunc( $factory ) );
193 // Test that LoadBalancer instances made during pre-commit callbacks in do not
194 // throw DBTransactionError due to transaction ROUND_* stages being mismatched.
195 $factory->beginMasterChanges( __METHOD__
);
196 $dbw->onTransactionPreCommitOrIdle( function () use ( $factory, &$called ) {
198 // Trigger s1 LoadBalancer instantiation during "finalize" stage.
199 // There is no s1wiki DB to select so it is not in getConnection(),
200 // but this fools getMainLB() at least.
201 $factory->getMainLB( 's1wiki' )->getConnection( DB_MASTER
);
203 $factory->commitMasterChanges( __METHOD__
);
204 $this->assertEquals( 1, $called );
205 $this->assertEquals( 2, $countLBsFunc( $factory ) );
206 $factory->shutdown();
207 $factory->closeAll();
210 $factory = $this->newLBFactoryMultiLBs();
211 $this->assertSame( 0, $countLBsFunc( $factory ) );
212 $dbw = $factory->getMainLB()->getConnection( DB_MASTER
);
213 $this->assertEquals( 1, $countLBsFunc( $factory ) );
214 // Test that LoadBalancer instances made during pre-commit callbacks in do not
215 // throw DBTransactionError due to transaction ROUND_* stages being mismatched.hrow
216 // DBTransactionError due to transaction ROUND_* stages being mismatched.
217 $factory->beginMasterChanges( __METHOD__
);
218 $dbw->query( "SELECT 1 as t", __METHOD__
);
219 $dbw->onTransactionResolution( function () use ( $factory, &$called ) {
221 // Trigger s1 LoadBalancer instantiation during "finalize" stage.
222 // There is no s1wiki DB to select so it is not in getConnection(),
223 // but this fools getMainLB() at least.
224 $factory->getMainLB( 's1wiki' )->getConnection( DB_MASTER
);
226 $factory->commitMasterChanges( __METHOD__
);
227 $this->assertEquals( 1, $called );
228 $this->assertEquals( 2, $countLBsFunc( $factory ) );
229 $factory->shutdown();
230 $factory->closeAll();
232 $factory = $this->newLBFactoryMultiLBs();
233 $dbw = $factory->getMainLB()->getConnection( DB_MASTER
);
234 // DBTransactionError should not be thrown
236 $dbw->onTransactionPreCommitOrIdle( function () use ( &$ran ) {
239 $factory->commitAll( __METHOD__
);
240 $this->assertEquals( 1, $ran );
242 $factory->shutdown();
243 $factory->closeAll();
246 private function newLBFactoryMultiLBs() {
247 global $wgDBserver, $wgDBname, $wgDBuser, $wgDBpassword, $wgDBtype, $wgSQLiteDataDir;
249 return new LBFactoryMulti( [
263 'serverTemplate' => [
264 'dbname' => $wgDBname,
266 'password' => $wgDBpassword,
268 'dbDirectory' => $wgSQLiteDataDir,
269 'flags' => DBO_DEFAULT
272 'test-db1' => $wgDBserver,
273 'test-db2' => $wgDBserver,
274 'test-db3' => $wgDBserver,
275 'test-db4' => $wgDBserver
277 'loadMonitorClass' => LoadMonitorNull
::class
282 * @covers \Wikimedia\Rdbms\ChronologyProtector
284 public function testChronologyProtector() {
285 $now = microtime( true );
287 // (a) First HTTP request
288 $m1Pos = new MySQLMasterPos( 'db1034-bin.000976/843431247', $now );
289 $m2Pos = new MySQLMasterPos( 'db1064-bin.002400/794074907', $now );
292 $mockDB1 = $this->getMockBuilder( IDatabase
::class )
293 ->disableOriginalConstructor()
295 $mockDB1->method( 'writesOrCallbacksPending' )->willReturn( true );
296 $mockDB1->method( 'lastDoneWrites' )->willReturn( $now );
297 $mockDB1->method( 'getMasterPos' )->willReturn( $m1Pos );
298 // Load balancer for master DB 1
299 $lb1 = $this->getMockBuilder( LoadBalancer
::class )
300 ->disableOriginalConstructor()
302 $lb1->method( 'getConnection' )->willReturn( $mockDB1 );
303 $lb1->method( 'getServerCount' )->willReturn( 2 );
304 $lb1->method( 'hasReplicaServers' )->willReturn( true );
305 $lb1->method( 'hasStreamingReplicaServers' )->willReturn( true );
306 $lb1->method( 'getAnyOpenConnection' )->willReturn( $mockDB1 );
307 $lb1->method( 'hasOrMadeRecentMasterChanges' )->will( $this->returnCallback(
308 function () use ( $mockDB1 ) {
310 $p |
= call_user_func( [ $mockDB1, 'writesOrCallbacksPending' ] );
311 $p |
= call_user_func( [ $mockDB1, 'lastDoneWrites' ] );
316 $lb1->method( 'getMasterPos' )->willReturn( $m1Pos );
317 $lb1->method( 'getReplicaResumePos' )->willReturn( $m1Pos );
318 $lb1->method( 'getServerName' )->with( 0 )->willReturn( 'master1' );
320 $mockDB2 = $this->getMockBuilder( IDatabase
::class )
321 ->disableOriginalConstructor()
323 $mockDB2->method( 'writesOrCallbacksPending' )->willReturn( true );
324 $mockDB2->method( 'lastDoneWrites' )->willReturn( $now );
325 $mockDB2->method( 'getMasterPos' )->willReturn( $m2Pos );
326 // Load balancer for master DB 2
327 $lb2 = $this->getMockBuilder( LoadBalancer
::class )
328 ->disableOriginalConstructor()
330 $lb2->method( 'getConnection' )->willReturn( $mockDB2 );
331 $lb2->method( 'getServerCount' )->willReturn( 2 );
332 $lb2->method( 'hasReplicaServers' )->willReturn( true );
333 $lb2->method( 'hasStreamingReplicaServers' )->willReturn( true );
334 $lb2->method( 'getAnyOpenConnection' )->willReturn( $mockDB2 );
335 $lb2->method( 'hasOrMadeRecentMasterChanges' )->will( $this->returnCallback(
336 function () use ( $mockDB2 ) {
338 $p |
= call_user_func( [ $mockDB2, 'writesOrCallbacksPending' ] );
339 $p |
= call_user_func( [ $mockDB2, 'lastDoneWrites' ] );
344 $lb2->method( 'getMasterPos' )->willReturn( $m2Pos );
345 $lb2->method( 'getReplicaResumePos' )->willReturn( $m2Pos );
346 $lb2->method( 'getServerName' )->with( 0 )->willReturn( 'master2' );
348 $bag = new HashBagOStuff();
349 $cp = new ChronologyProtector(
353 'agent' => "Totally-Not-FireFox"
358 $mockDB1->expects( $this->exactly( 1 ) )->method( 'writesOrCallbacksPending' );
359 $mockDB1->expects( $this->exactly( 1 ) )->method( 'lastDoneWrites' );
360 $mockDB2->expects( $this->exactly( 1 ) )->method( 'writesOrCallbacksPending' );
361 $mockDB2->expects( $this->exactly( 1 ) )->method( 'lastDoneWrites' );
363 // Nothing to wait for on first HTTP request start
364 $cp->applySessionReplicationPosition( $lb1 );
365 $cp->applySessionReplicationPosition( $lb2 );
366 // Record positions in stash on first HTTP request end
367 $cp->storeSessionReplicationPosition( $lb1 );
368 $cp->storeSessionReplicationPosition( $lb2 );
370 $cp->shutdown( null, 'sync', $cpIndex );
372 $this->assertEquals( 1, $cpIndex, "CP write index set" );
374 // (b) Second HTTP request
376 // Load balancer for master DB 1
377 $lb1 = $this->getMockBuilder( LoadBalancer
::class )
378 ->disableOriginalConstructor()
380 $lb1->method( 'getServerCount' )->willReturn( 2 );
381 $lb1->method( 'hasReplicaServers' )->willReturn( true );
382 $lb1->method( 'hasStreamingReplicaServers' )->willReturn( true );
383 $lb1->method( 'getServerName' )->with( 0 )->willReturn( 'master1' );
384 $lb1->expects( $this->once() )
385 ->method( 'waitFor' )->with( $this->equalTo( $m1Pos ) );
386 // Load balancer for master DB 2
387 $lb2 = $this->getMockBuilder( LoadBalancer
::class )
388 ->disableOriginalConstructor()
390 $lb2->method( 'getServerCount' )->willReturn( 2 );
391 $lb2->method( 'hasReplicaServers' )->willReturn( true );
392 $lb2->method( 'hasStreamingReplicaServers' )->willReturn( true );
393 $lb2->method( 'getServerName' )->with( 0 )->willReturn( 'master2' );
394 $lb2->expects( $this->once() )
395 ->method( 'waitFor' )->with( $this->equalTo( $m2Pos ) );
397 $cp = new ChronologyProtector(
401 'agent' => "Totally-Not-FireFox"
406 // Wait for last positions to be reached on second HTTP request start
407 $cp->applySessionReplicationPosition( $lb1 );
408 $cp->applySessionReplicationPosition( $lb2 );
409 // Shutdown (nothing to record)
410 $cp->storeSessionReplicationPosition( $lb1 );
411 $cp->storeSessionReplicationPosition( $lb2 );
413 $cp->shutdown( null, 'sync', $cpIndex );
415 $this->assertEquals( null, $cpIndex, "CP write index retained" );
417 $this->assertEquals( '45e93a9c215c031d38b7c42d8e4700ca', $cp->getClientId() );
420 private function newLBFactoryMulti( array $baseOverride = [], array $serverOverride = [] ) {
421 global $wgDBserver, $wgDBuser, $wgDBpassword, $wgDBname, $wgDBprefix, $wgDBtype;
422 global $wgSQLiteDataDir;
424 return new LBFactoryMulti( $baseOverride +
[
425 'sectionsByDB' => [],
431 'serverTemplate' => $serverOverride +
[
432 'dbname' => $wgDBname,
433 'tablePrefix' => $wgDBprefix,
435 'password' => $wgDBpassword,
437 'dbDirectory' => $wgSQLiteDataDir,
438 'flags' => DBO_DEFAULT
441 'test-db1' => $wgDBserver,
443 'loadMonitorClass' => LoadMonitorNull
::class,
444 'localDomain' => new DatabaseDomain( $wgDBname, null, $wgDBprefix ),
445 'agent' => 'MW-UNIT-TESTS'
450 * @covers \Wikimedia\Rdbms\LoadBalancer::getConnection
451 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::doSelectDomain
452 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::selectDB
454 public function testNiceDomains() {
457 if ( wfGetDB( DB_MASTER
)->databasesAreIndependent() ) {
458 self
::markTestSkipped( "Skipping tests about selecting DBs: not applicable" );
462 $factory = $this->newLBFactoryMulti(
466 $lb = $factory->getMainLB();
468 $db = $lb->getConnectionRef( DB_MASTER
);
475 /** @var IMaintainableDatabase $db */
476 $db = $lb->getConnection( DB_MASTER
, [], '' );
481 'Null domain ID handle used'
485 'Null domain ID handle used'
490 'Main domain ID handle used; prefix is empty though'
493 $this->quoteTable( $db, 'page' ),
494 $db->tableName( 'page' ),
495 "Correct full table name"
498 $this->quoteTable( $db, $wgDBname ) . '.' . $this->quoteTable( $db, 'page' ),
499 $db->tableName( "$wgDBname.page" ),
500 "Correct full table name"
503 $this->quoteTable( $db, 'nice_db' ) . '.' . $this->quoteTable( $db, 'page' ),
504 $db->tableName( 'nice_db.page' ),
505 "Correct full table name"
508 $lb->reuseConnection( $db ); // don't care
510 $db = $lb->getConnection( DB_MASTER
); // local domain connection
511 $factory->setLocalDomainPrefix( 'my_' );
513 $this->assertEquals( $wgDBname, $db->getDBname() );
519 $this->quoteTable( $db, 'my_page' ),
520 $db->tableName( 'page' ),
521 "Correct full table name"
524 $this->quoteTable( $db, 'other_nice_db' ) . '.' . $this->quoteTable( $db, 'page' ),
525 $db->tableName( 'other_nice_db.page' ),
526 "Correct full table name"
529 $factory->closeAll();
534 * @covers \Wikimedia\Rdbms\LoadBalancer::getConnection
535 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::doSelectDomain
536 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::selectDB
538 public function testTrickyDomain() {
541 if ( wfGetDB( DB_MASTER
)->databasesAreIndependent() ) {
542 self
::markTestSkipped( "Skipping tests about selecting DBs: not applicable" );
546 $dbname = 'unittest-domain'; // explodes if DB is selected
547 $factory = $this->newLBFactoryMulti(
548 [ 'localDomain' => ( new DatabaseDomain( $dbname, null, '' ) )->getId() ],
550 'dbname' => 'do_not_select_me' // explodes if DB is selected
553 $lb = $factory->getMainLB();
554 /** @var IMaintainableDatabase $db */
555 $db = $lb->getConnection( DB_MASTER
, [], '' );
557 $this->assertSame( '', $db->getDomainID(), "Null domain used" );
560 $this->quoteTable( $db, 'page' ),
561 $db->tableName( 'page' ),
562 "Correct full table name"
566 $this->quoteTable( $db, $dbname ) . '.' . $this->quoteTable( $db, 'page' ),
567 $db->tableName( "$dbname.page" ),
568 "Correct full table name"
572 $this->quoteTable( $db, 'nice_db' ) . '.' . $this->quoteTable( $db, 'page' ),
573 $db->tableName( 'nice_db.page' ),
574 "Correct full table name"
577 $lb->reuseConnection( $db ); // don't care
579 $factory->setLocalDomainPrefix( 'my_' );
580 $db = $lb->getConnection( DB_MASTER
, [], "$wgDBname-my_" );
583 $this->quoteTable( $db, 'my_page' ),
584 $db->tableName( 'page' ),
585 "Correct full table name"
588 $this->quoteTable( $db, 'other_nice_db' ) . '.' . $this->quoteTable( $db, 'page' ),
589 $db->tableName( 'other_nice_db.page' ),
590 "Correct full table name"
593 $this->quoteTable( $db, 'garbage-db' ) . '.' . $this->quoteTable( $db, 'page' ),
594 $db->tableName( 'garbage-db.page' ),
595 "Correct full table name"
598 $lb->reuseConnection( $db ); // don't care
600 $factory->closeAll();
605 * @covers \Wikimedia\Rdbms\LoadBalancer::getConnection
606 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::doSelectDomain
607 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::selectDB
609 public function testInvalidSelectDB() {
610 if ( wfGetDB( DB_MASTER
)->databasesAreIndependent() ) {
611 $this->markTestSkipped( "Not applicable per databasesAreIndependent()" );
614 $dbname = 'unittest-domain'; // explodes if DB is selected
615 $factory = $this->newLBFactoryMulti(
616 [ 'localDomain' => ( new DatabaseDomain( $dbname, null, '' ) )->getId() ],
618 'dbname' => 'do_not_select_me' // explodes if DB is selected
621 $lb = $factory->getMainLB();
622 /** @var IDatabase $db */
623 $db = $lb->getConnection( DB_MASTER
, [], '' );
625 \Wikimedia\
suppressWarnings();
627 $this->assertFalse( $db->selectDB( 'garbage-db' ) );
628 $this->fail( "No error thrown." );
629 } catch ( \Wikimedia\Rdbms\DBQueryError
$e ) {
630 $this->assertRegExp( '/[\'"]garbage-db[\'"]/', $e->getMessage() );
632 \Wikimedia\restoreWarnings
();
636 * @covers \Wikimedia\Rdbms\DatabaseSqlite::selectDB
637 * @covers \Wikimedia\Rdbms\DatabasePostgres::selectDB
638 * @expectedException \Wikimedia\Rdbms\DBConnectionError
640 public function testInvalidSelectDBIndependent() {
641 $dbname = 'unittest-domain'; // explodes if DB is selected
642 $factory = $this->newLBFactoryMulti(
643 [ 'localDomain' => ( new DatabaseDomain( $dbname, null, '' ) )->getId() ],
645 // Explodes with SQLite and Postgres during open/USE
646 'dbname' => 'bad_dir/do_not_select_me'
649 $lb = $factory->getMainLB();
651 if ( !$lb->getConnection( DB_MASTER
)->databasesAreIndependent() ) {
652 $this->markTestSkipped( "Not applicable per databasesAreIndependent()" );
655 /** @var IDatabase $db */
656 $lb->getConnection( DB_MASTER
, [], '' );
660 * @covers \Wikimedia\Rdbms\DatabaseSqlite::selectDB
661 * @covers \Wikimedia\Rdbms\DatabasePostgres::selectDB
662 * @expectedException \Wikimedia\Rdbms\DBExpectedError
664 public function testInvalidSelectDBIndependent2() {
665 $dbname = 'unittest-domain'; // explodes if DB is selected
666 $factory = $this->newLBFactoryMulti(
667 [ 'localDomain' => ( new DatabaseDomain( $dbname, null, '' ) )->getId() ],
669 // Explodes with SQLite and Postgres during open/USE
670 'dbname' => 'bad_dir/do_not_select_me'
673 $lb = $factory->getMainLB();
675 if ( !$lb->getConnection( DB_MASTER
)->databasesAreIndependent() ) {
676 $this->markTestSkipped( "Not applicable per databasesAreIndependent()" );
679 $db = $lb->getConnection( DB_MASTER
);
680 $db->selectDB( 'garbage-db' );
684 * @covers \Wikimedia\Rdbms\LoadBalancer::getConnection
685 * @covers \Wikimedia\Rdbms\LoadBalancer::redefineLocalDomain
686 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::selectDB
688 public function testRedefineLocalDomain() {
691 if ( wfGetDB( DB_MASTER
)->databasesAreIndependent() ) {
692 self
::markTestSkipped( "Skipping tests about selecting DBs: not applicable" );
696 $factory = $this->newLBFactoryMulti(
700 $lb = $factory->getMainLB();
702 $conn1 = $lb->getConnectionRef( DB_MASTER
);
705 $conn1->getDomainID()
709 $factory->redefineLocalDomain( 'somedb-prefix_' );
710 $this->assertEquals( 'somedb-prefix_', $factory->getLocalDomainID() );
712 $domain = new DatabaseDomain( $wgDBname, null, 'pref_' );
713 $factory->redefineLocalDomain( $domain );
716 $lb->forEachOpenConnection( function () use ( &$n ) {
719 $this->assertSame( 0, $n, "Connections closed" );
721 $conn2 = $lb->getConnectionRef( DB_MASTER
);
724 $conn2->getDomainID()
728 $factory->closeAll();
732 private function quoteTable( IDatabase
$db, $table ) {
733 if ( $db->getType() === 'sqlite' ) {
736 return $db->addIdentifierQuotes( $table );
741 * @covers \Wikimedia\Rdbms\LBFactory::makeCookieValueFromCPIndex()
742 * @covers \Wikimedia\Rdbms\LBFactory::getCPInfoFromCookieValue()
744 public function testCPPosIndexCookieValues() {
746 $agentId = md5( 'Ramsey\'s Loyal Presa Canario' );
749 '3@542#c47dcfb0566e7d7bc110a6128a45c93a',
750 LBFactory
::makeCookieValueFromCPIndex( 3, 542, $agentId )
753 $lbFactory = $this->newLBFactoryMulti();
754 $lbFactory->setRequestInfo( [ 'IPAddress' => '10.64.24.52', 'UserAgent' => 'meow' ] );
756 '1@542#c47dcfb0566e7d7bc110a6128a45c93a',
757 LBFactory
::makeCookieValueFromCPIndex( 1, 542, $agentId )
762 LBFactory
::getCPInfoFromCookieValue( "5#$agentId", $time - 10 )['index'],
767 LBFactory
::getCPInfoFromCookieValue( "5@$time", $time - 10 )['index'],
772 LBFactory
::getCPInfoFromCookieValue( "0@$time#$agentId", $time - 10 )['index'],
778 LBFactory
::getCPInfoFromCookieValue( "2@$time#$agentId", $time - 10 )['index'],
783 LBFactory
::getCPInfoFromCookieValue( "2@$time#$agentId", $time +
9 - 10 )['index'],
788 LBFactory
::getCPInfoFromCookieValue( "0@$time#$agentId", $time +
9 - 10 )['index'],
789 'Almost stale; bad index'
793 LBFactory
::getCPInfoFromCookieValue( "2@$time#$agentId", $time +
11 - 10 )['index'],
799 LBFactory
::getCPInfoFromCookieValue( "5@$time#$agentId", $time - 10 )['clientId'],
804 LBFactory
::getCPInfoFromCookieValue( "5@$time#$agentId", $time +
11 - 10 )['clientId'],