Database: Allow selectFieldValues() to accept SQL fragments
[lhc/web/wiklou.git] / tests / phpunit / includes / libs / rdbms / database / DatabaseMysqlBaseTest.php
1 <?php
2 /**
3 * Holds tests for DatabaseMysqlBase class.
4 *
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.
9 *
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.
14 *
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
19 *
20 * @file
21 * @author Antoine Musso
22 * @copyright © 2013 Antoine Musso
23 * @copyright © 2013 Wikimedia Foundation and contributors
24 */
25
26 use Wikimedia\Rdbms\MySQLMasterPos;
27 use Wikimedia\TestingAccessWrapper;
28
29 class DatabaseMysqlBaseTest extends PHPUnit\Framework\TestCase {
30
31 use MediaWikiCoversValidator;
32 use PHPUnit4And6Compat;
33
34 /**
35 * @dataProvider provideDiapers
36 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::addIdentifierQuotes
37 */
38 public function testAddIdentifierQuotes( $expected, $in ) {
39 $db = $this->getMockBuilder( DatabaseMysqli::class )
40 ->disableOriginalConstructor()
41 ->setMethods( null )
42 ->getMock();
43
44 $quoted = $db->addIdentifierQuotes( $in );
45 $this->assertEquals( $expected, $quoted );
46 }
47
48 /**
49 * Feeds testAddIdentifierQuotes
50 *
51 * Named per T22281 convention.
52 */
53 public static function provideDiapers() {
54 return [
55 // Format: expected, input
56 [ '``', '' ],
57
58 // Yeah I really hate loosely typed PHP idiocies nowadays
59 [ '``', null ],
60
61 // Dear codereviewer, guess what addIdentifierQuotes()
62 // will return with thoses:
63 [ '``', false ],
64 [ '`1`', true ],
65
66 // We never know what could happen
67 [ '`0`', 0 ],
68 [ '`1`', 1 ],
69
70 // Whatchout! Should probably use something more meaningful
71 [ "`'`", "'" ], # single quote
72 [ '`"`', '"' ], # double quote
73 [ '````', '`' ], # backtick
74 [ '`’`', '’' ], # apostrophe (look at your encyclopedia)
75
76 // sneaky NUL bytes are lurking everywhere
77 [ '``', "\0" ],
78 [ '`xyzzy`', "\0x\0y\0z\0z\0y\0" ],
79
80 // unicode chars
81 [
82 self::createUnicodeString( '`\u0001a\uFFFFb`' ),
83 self::createUnicodeString( '\u0001a\uFFFFb' )
84 ],
85 [
86 self::createUnicodeString( '`\u0001\uFFFF`' ),
87 self::createUnicodeString( '\u0001\u0000\uFFFF\u0000' )
88 ],
89 [ '`☃`', '☃' ],
90 [ '`メインページ`', 'メインページ' ],
91 [ '`Басты_бет`', 'Басты_бет' ],
92
93 // Real world:
94 [ '`Alix`', 'Alix' ], # while( ! $recovered ) { sleep(); }
95 [ '`Backtick: ```', 'Backtick: `' ],
96 [ '`This is a test`', 'This is a test' ],
97 ];
98 }
99
100 private static function createUnicodeString( $str ) {
101 return json_decode( '"' . $str . '"' );
102 }
103
104 private function getMockForViews() {
105 $db = $this->getMockBuilder( DatabaseMysqli::class )
106 ->disableOriginalConstructor()
107 ->setMethods( [ 'fetchRow', 'query' ] )
108 ->getMock();
109
110 $db->method( 'query' )
111 ->with( $this->anything() )
112 ->willReturn( new FakeResultWrapper( [
113 (object)[ 'Tables_in_' => 'view1' ],
114 (object)[ 'Tables_in_' => 'view2' ],
115 (object)[ 'Tables_in_' => 'myview' ]
116 ] ) );
117
118 return $db;
119 }
120
121 /**
122 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::listViews
123 */
124 public function testListviews() {
125 $db = $this->getMockForViews();
126
127 $this->assertEquals( [ 'view1', 'view2', 'myview' ],
128 $db->listViews() );
129
130 // Prefix filtering
131 $this->assertEquals( [ 'view1', 'view2' ],
132 $db->listViews( 'view' ) );
133 $this->assertEquals( [ 'myview' ],
134 $db->listViews( 'my' ) );
135 $this->assertEquals( [],
136 $db->listViews( 'UNUSED_PREFIX' ) );
137 $this->assertEquals( [ 'view1', 'view2', 'myview' ],
138 $db->listViews( '' ) );
139 }
140
141 /**
142 * @covers Wikimedia\Rdbms\MySQLMasterPos
143 */
144 public function testBinLogName() {
145 $pos = new MySQLMasterPos( "db1052.2424/4643", 1 );
146
147 $this->assertEquals( "db1052", $pos->getLogName() );
148 $this->assertEquals( "db1052.2424", $pos->getLogFile() );
149 $this->assertEquals( [ 2424, 4643 ], $pos->getLogPosition() );
150 }
151
152 /**
153 * @dataProvider provideComparePositions
154 * @covers Wikimedia\Rdbms\MySQLMasterPos
155 */
156 public function testHasReached(
157 MySQLMasterPos $lowerPos, MySQLMasterPos $higherPos, $match, $hetero
158 ) {
159 if ( $match ) {
160 $this->assertTrue( $lowerPos->channelsMatch( $higherPos ) );
161
162 if ( $hetero ) {
163 // Each position is has one channel higher than the other
164 $this->assertFalse( $higherPos->hasReached( $lowerPos ) );
165 } else {
166 $this->assertTrue( $higherPos->hasReached( $lowerPos ) );
167 }
168 $this->assertTrue( $lowerPos->hasReached( $lowerPos ) );
169 $this->assertTrue( $higherPos->hasReached( $higherPos ) );
170 $this->assertFalse( $lowerPos->hasReached( $higherPos ) );
171 } else { // channels don't match
172 $this->assertFalse( $lowerPos->channelsMatch( $higherPos ) );
173
174 $this->assertFalse( $higherPos->hasReached( $lowerPos ) );
175 $this->assertFalse( $lowerPos->hasReached( $higherPos ) );
176 }
177 }
178
179 public static function provideComparePositions() {
180 $now = microtime( true );
181
182 return [
183 // Binlog style
184 [
185 new MySQLMasterPos( 'db1034-bin.000976/843431247', $now ),
186 new MySQLMasterPos( 'db1034-bin.000976/843431248', $now ),
187 true,
188 false
189 ],
190 [
191 new MySQLMasterPos( 'db1034-bin.000976/999', $now ),
192 new MySQLMasterPos( 'db1034-bin.000976/1000', $now ),
193 true,
194 false
195 ],
196 [
197 new MySQLMasterPos( 'db1034-bin.000976/999', $now ),
198 new MySQLMasterPos( 'db1035-bin.000976/1000', $now ),
199 false,
200 false
201 ],
202 // MySQL GTID style
203 [
204 new MySQLMasterPos( '3E11FA47-71CA-11E1-9E33-C80AA9429562:1-23', $now ),
205 new MySQLMasterPos( '3E11FA47-71CA-11E1-9E33-C80AA9429562:5-24', $now ),
206 true,
207 false
208 ],
209 [
210 new MySQLMasterPos( '3E11FA47-71CA-11E1-9E33-C80AA9429562:5-99', $now ),
211 new MySQLMasterPos( '3E11FA47-71CA-11E1-9E33-C80AA9429562:1-100', $now ),
212 true,
213 false
214 ],
215 [
216 new MySQLMasterPos( '3E11FA47-71CA-11E1-9E33-C80AA9429562:1-99', $now ),
217 new MySQLMasterPos( '1E11FA47-71CA-11E1-9E33-C80AA9429562:1-100', $now ),
218 false,
219 false
220 ],
221 // MariaDB GTID style
222 [
223 new MySQLMasterPos( '255-11-23', $now ),
224 new MySQLMasterPos( '255-11-24', $now ),
225 true,
226 false
227 ],
228 [
229 new MySQLMasterPos( '255-11-99', $now ),
230 new MySQLMasterPos( '255-11-100', $now ),
231 true,
232 false
233 ],
234 [
235 new MySQLMasterPos( '255-11-999', $now ),
236 new MySQLMasterPos( '254-11-1000', $now ),
237 false,
238 false
239 ],
240 [
241 new MySQLMasterPos( '255-11-23,256-12-50', $now ),
242 new MySQLMasterPos( '255-11-24', $now ),
243 true,
244 false
245 ],
246 [
247 new MySQLMasterPos( '255-11-99,256-12-50,257-12-50', $now ),
248 new MySQLMasterPos( '255-11-1000', $now ),
249 true,
250 false
251 ],
252 [
253 new MySQLMasterPos( '255-11-23,256-12-50', $now ),
254 new MySQLMasterPos( '255-11-24,155-52-63', $now ),
255 true,
256 false
257 ],
258 [
259 new MySQLMasterPos( '255-11-99,256-12-50,257-12-50', $now ),
260 new MySQLMasterPos( '255-11-1000,256-12-51', $now ),
261 true,
262 false
263 ],
264 [
265 new MySQLMasterPos( '255-11-99,256-12-50', $now ),
266 new MySQLMasterPos( '255-13-1000,256-14-49', $now ),
267 true,
268 true
269 ],
270 [
271 new MySQLMasterPos( '253-11-999,255-11-999', $now ),
272 new MySQLMasterPos( '254-11-1000', $now ),
273 false,
274 false
275 ],
276 ];
277 }
278
279 /**
280 * @dataProvider provideChannelPositions
281 * @covers Wikimedia\Rdbms\MySQLMasterPos
282 */
283 public function testChannelsMatch( MySQLMasterPos $pos1, MySQLMasterPos $pos2, $matches ) {
284 $this->assertEquals( $matches, $pos1->channelsMatch( $pos2 ) );
285 $this->assertEquals( $matches, $pos2->channelsMatch( $pos1 ) );
286
287 $roundtripPos = new MySQLMasterPos( (string)$pos1, 1 );
288 $this->assertEquals( (string)$pos1, (string)$roundtripPos );
289 }
290
291 public static function provideChannelPositions() {
292 $now = microtime( true );
293
294 return [
295 [
296 new MySQLMasterPos( 'db1034-bin.000876/44', $now ),
297 new MySQLMasterPos( 'db1034-bin.000976/74', $now ),
298 true
299 ],
300 [
301 new MySQLMasterPos( 'db1052-bin.000976/999', $now ),
302 new MySQLMasterPos( 'db1052-bin.000976/1000', $now ),
303 true
304 ],
305 [
306 new MySQLMasterPos( 'db1066-bin.000976/9999', $now ),
307 new MySQLMasterPos( 'db1035-bin.000976/10000', $now ),
308 false
309 ],
310 [
311 new MySQLMasterPos( 'db1066-bin.000976/9999', $now ),
312 new MySQLMasterPos( 'trump2016.000976/10000', $now ),
313 false
314 ],
315 ];
316 }
317
318 /**
319 * @dataProvider provideCommonDomainGTIDs
320 * @covers Wikimedia\Rdbms\MySQLMasterPos
321 */
322 public function testCommonGtidDomains( MySQLMasterPos $pos, MySQLMasterPos $ref, $gtids ) {
323 $this->assertEquals( $gtids, MySQLMasterPos::getCommonDomainGTIDs( $pos, $ref ) );
324 }
325
326 public static function provideCommonDomainGTIDs() {
327 return [
328 [
329 new MySQLMasterPos( '255-13-99,256-12-50,257-14-50', 1 ),
330 new MySQLMasterPos( '255-11-1000', 1 ),
331 [ '255-13-99' ]
332 ],
333 [
334 new MySQLMasterPos(
335 '2E11FA47-71CA-11E1-9E33-C80AA9429562:1-5,' .
336 '3E11FA47-71CA-11E1-9E33-C80AA9429562:20-99,' .
337 '7E11FA47-71CA-11E1-9E33-C80AA9429562:1-30',
338 1
339 ),
340 new MySQLMasterPos(
341 '1E11FA47-71CA-11E1-9E33-C80AA9429562:30-100,' .
342 '3E11FA47-71CA-11E1-9E33-C80AA9429562:30-66',
343 1
344 ),
345 [ '3E11FA47-71CA-11E1-9E33-C80AA9429562:20-99' ]
346 ]
347 ];
348 }
349
350 /**
351 * @dataProvider provideLagAmounts
352 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::getLag
353 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::getLagFromPtHeartbeat
354 */
355 public function testPtHeartbeat( $lag ) {
356 $db = $this->getMockBuilder( DatabaseMysqli::class )
357 ->disableOriginalConstructor()
358 ->setMethods( [
359 'getLagDetectionMethod', 'getHeartbeatData', 'getMasterServerInfo' ] )
360 ->getMock();
361
362 $db->method( 'getLagDetectionMethod' )
363 ->willReturn( 'pt-heartbeat' );
364
365 $db->method( 'getMasterServerInfo' )
366 ->willReturn( [ 'serverId' => 172, 'asOf' => time() ] );
367
368 // Fake the current time.
369 list( $nowSecFrac, $nowSec ) = explode( ' ', microtime() );
370 $now = (float)$nowSec + (float)$nowSecFrac;
371 // Fake the heartbeat time.
372 // Work arounds for weak DataTime microseconds support.
373 $ptTime = $now - $lag;
374 $ptSec = (int)$ptTime;
375 $ptSecFrac = ( $ptTime - $ptSec );
376 $ptDateTime = new DateTime( "@$ptSec" );
377 $ptTimeISO = $ptDateTime->format( 'Y-m-d\TH:i:s' );
378 $ptTimeISO .= ltrim( number_format( $ptSecFrac, 6 ), '0' );
379
380 $db->method( 'getHeartbeatData' )
381 ->with( [ 'server_id' => 172 ] )
382 ->willReturn( [ $ptTimeISO, $now ] );
383
384 $db->setLBInfo( 'clusterMasterHost', 'db1052' );
385 $lagEst = $db->getLag();
386
387 $this->assertGreaterThan( $lag - 0.010, $lagEst, "Correct heatbeat lag" );
388 $this->assertLessThan( $lag + 0.010, $lagEst, "Correct heatbeat lag" );
389 }
390
391 public static function provideLagAmounts() {
392 return [
393 [ 0 ],
394 [ 0.3 ],
395 [ 6.5 ],
396 [ 10.1 ],
397 [ 200.2 ],
398 [ 400.7 ],
399 [ 600.22 ],
400 [ 1000.77 ],
401 ];
402 }
403
404 /**
405 * @dataProvider provideGtidData
406 * @covers Wikimedia\Rdbms\MySQLMasterPos
407 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::getReplicaPos
408 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::getMasterPos
409 */
410 public function testServerGtidTable( $gtable, $rBLtable, $mBLtable, $rGTIDs, $mGTIDs ) {
411 $db = $this->getMockBuilder( DatabaseMysqli::class )
412 ->disableOriginalConstructor()
413 ->setMethods( [
414 'useGTIDs',
415 'getServerGTIDs',
416 'getServerRoleStatus',
417 'getServerId',
418 'getServerUUID'
419 ] )
420 ->getMock();
421
422 $db->method( 'useGTIDs' )->willReturn( true );
423 $db->method( 'getServerGTIDs' )->willReturn( $gtable );
424 $db->method( 'getServerRoleStatus' )->willReturnCallback(
425 function ( $role ) use ( $rBLtable, $mBLtable ) {
426 if ( $role === 'SLAVE' ) {
427 return $rBLtable;
428 } elseif ( $role === 'MASTER' ) {
429 return $mBLtable;
430 }
431
432 return null;
433 }
434 );
435 $db->method( 'getServerId' )->willReturn( 1 );
436 $db->method( 'getServerUUID' )->willReturn( '2E11FA47-71CA-11E1-9E33-C80AA9429562' );
437
438 if ( is_array( $rGTIDs ) ) {
439 $this->assertEquals( $rGTIDs, $db->getReplicaPos()->getGTIDs() );
440 } else {
441 $this->assertEquals( false, $db->getReplicaPos() );
442 }
443 if ( is_array( $mGTIDs ) ) {
444 $this->assertEquals( $mGTIDs, $db->getMasterPos()->getGTIDs() );
445 } else {
446 $this->assertEquals( false, $db->getMasterPos() );
447 }
448 }
449
450 public static function provideGtidData() {
451 return [
452 // MariaDB
453 [
454 [
455 'gtid_domain_id' => 100,
456 'gtid_current_pos' => '100-13-77',
457 'gtid_binlog_pos' => '100-13-77',
458 'gtid_slave_pos' => null // master
459 ],
460 [
461 'Relay_Master_Log_File' => 'host.1600',
462 'Exec_Master_Log_Pos' => '77'
463 ],
464 [
465 'File' => 'host.1600',
466 'Position' => '77'
467 ],
468 [],
469 [ '100' => '100-13-77' ]
470 ],
471 [
472 [
473 'gtid_domain_id' => 100,
474 'gtid_current_pos' => '100-13-77',
475 'gtid_binlog_pos' => '100-13-77',
476 'gtid_slave_pos' => '100-13-77' // replica
477 ],
478 [
479 'Relay_Master_Log_File' => 'host.1600',
480 'Exec_Master_Log_Pos' => '77'
481 ],
482 [],
483 [ '100' => '100-13-77' ],
484 [ '100' => '100-13-77' ]
485 ],
486 [
487 [
488 'gtid_current_pos' => '100-13-77',
489 'gtid_binlog_pos' => '100-13-77',
490 'gtid_slave_pos' => '100-13-77' // replica
491 ],
492 [
493 'Relay_Master_Log_File' => 'host.1600',
494 'Exec_Master_Log_Pos' => '77'
495 ],
496 [],
497 [ '100' => '100-13-77' ],
498 [ '100' => '100-13-77' ]
499 ],
500 // MySQL
501 [
502 [
503 'gtid_executed' => '2E11FA47-71CA-11E1-9E33-C80AA9429562:1-77'
504 ],
505 [
506 'Relay_Master_Log_File' => 'host.1600',
507 'Exec_Master_Log_Pos' => '77'
508 ],
509 [], // only a replica
510 [ '2E11FA47-71CA-11E1-9E33-C80AA9429562'
511 => '2E11FA47-71CA-11E1-9E33-C80AA9429562:1-77' ],
512 // replica/master use same var
513 [ '2E11FA47-71CA-11E1-9E33-C80AA9429562'
514 => '2E11FA47-71CA-11E1-9E33-C80AA9429562:1-77' ],
515 ],
516 [
517 [
518 'gtid_executed' => '2E11FA47-71CA-11E1-9E33-C80AA9429562:1-49,' .
519 '2E11FA47-71CA-11E1-9E33-C80AA9429562:51-77'
520 ],
521 [
522 'Relay_Master_Log_File' => 'host.1600',
523 'Exec_Master_Log_Pos' => '77'
524 ],
525 [], // only a replica
526 [ '2E11FA47-71CA-11E1-9E33-C80AA9429562'
527 => '2E11FA47-71CA-11E1-9E33-C80AA9429562:51-77' ],
528 // replica/master use same var
529 [ '2E11FA47-71CA-11E1-9E33-C80AA9429562'
530 => '2E11FA47-71CA-11E1-9E33-C80AA9429562:51-77' ],
531 ],
532 [
533 [
534 'gtid_executed' => null, // not enabled?
535 'gtid_binlog_pos' => null
536 ],
537 [
538 'Relay_Master_Log_File' => 'host.1600',
539 'Exec_Master_Log_Pos' => '77'
540 ],
541 [], // only a replica
542 [], // binlog fallback
543 false
544 ],
545 [
546 [
547 'gtid_executed' => null, // not enabled?
548 'gtid_binlog_pos' => null
549 ],
550 [], // no replication
551 [], // no replication
552 false,
553 false
554 ]
555 ];
556 }
557
558 /**
559 * @covers Wikimedia\Rdbms\MySQLMasterPos
560 */
561 public function testSerialize() {
562 $pos = new MySQLMasterPos( '3E11FA47-71CA-11E1-9E33-C80AA9429562:99', 53636363 );
563 $roundtripPos = unserialize( serialize( $pos ) );
564
565 $this->assertEquals( $pos, $roundtripPos );
566
567 $pos = new MySQLMasterPos( '255-11-23', 53636363 );
568 $roundtripPos = unserialize( serialize( $pos ) );
569
570 $this->assertEquals( $pos, $roundtripPos );
571 }
572
573 /**
574 * @covers Wikimedia\Rdbms\DatabaseMysqlBase::isInsertSelectSafe
575 * @dataProvider provideInsertSelectCases
576 */
577 public function testInsertSelectIsSafe( $insertOpts, $selectOpts, $row, $safe ) {
578 $db = $this->getMockBuilder( DatabaseMysqli::class )
579 ->disableOriginalConstructor()
580 ->setMethods( [ 'getReplicationSafetyInfo' ] )
581 ->getMock();
582 $db->method( 'getReplicationSafetyInfo' )->willReturn( (object)$row );
583 $dbw = TestingAccessWrapper::newFromObject( $db );
584
585 $this->assertEquals( $safe, $dbw->isInsertSelectSafe( $insertOpts, $selectOpts ) );
586 }
587
588 public function provideInsertSelectCases() {
589 return [
590 [
591 [],
592 [],
593 [
594 'innodb_autoinc_lock_mode' => '2',
595 'binlog_format' => 'ROW',
596 ],
597 true
598 ],
599 [
600 [],
601 [ 'LIMIT' => 100 ],
602 [
603 'innodb_autoinc_lock_mode' => '2',
604 'binlog_format' => 'ROW',
605 ],
606 true
607 ],
608 [
609 [],
610 [ 'LIMIT' => 100 ],
611 [
612 'innodb_autoinc_lock_mode' => '0',
613 'binlog_format' => 'STATEMENT',
614 ],
615 false
616 ],
617 [
618 [],
619 [],
620 [
621 'innodb_autoinc_lock_mode' => '2',
622 'binlog_format' => 'STATEMENT',
623 ],
624 false
625 ],
626 [
627 [ 'NO_AUTO_COLUMNS' ],
628 [ 'LIMIT' => 100 ],
629 [
630 'innodb_autoinc_lock_mode' => '0',
631 'binlog_format' => 'STATEMENT',
632 ],
633 false
634 ],
635 [
636 [],
637 [],
638 [
639 'innodb_autoinc_lock_mode' => 0,
640 'binlog_format' => 'STATEMENT',
641 ],
642 true
643 ],
644 [
645 [ 'NO_AUTO_COLUMNS' ],
646 [],
647 [
648 'innodb_autoinc_lock_mode' => 2,
649 'binlog_format' => 'STATEMENT',
650 ],
651 true
652 ],
653 [
654 [ 'NO_AUTO_COLUMNS' ],
655 [],
656 [
657 'innodb_autoinc_lock_mode' => 0,
658 'binlog_format' => 'STATEMENT',
659 ],
660 true
661 ],
662
663 ];
664 }
665
666 /**
667 * @covers \Wikimedia\Rdbms\DatabaseMysqlBase::buildIntegerCast
668 */
669 public function testBuildIntegerCast() {
670 $db = $this->getMockBuilder( DatabaseMysqli::class )
671 ->disableOriginalConstructor()
672 ->setMethods( null )
673 ->getMock();
674 $output = $db->buildIntegerCast( 'fieldName' );
675 $this->assertSame( 'CAST( fieldName AS SIGNED )', $output );
676 }
677
678 /*
679 * @covers Wikimedia\Rdbms\Database::setIndexAliases
680 */
681 public function testIndexAliases() {
682 $db = $this->getMockBuilder( DatabaseMysqli::class )
683 ->disableOriginalConstructor()
684 ->setMethods( [ 'mysqlRealEscapeString' ] )
685 ->getMock();
686 $db->method( 'mysqlRealEscapeString' )->willReturnCallback(
687 function ( $s ) {
688 return str_replace( "'", "\\'", $s );
689 }
690 );
691
692 $db->setIndexAliases( [ 'a_b_idx' => 'a_c_idx' ] );
693 $sql = $db->selectSQLText(
694 'zend', 'field', [ 'a' => 'x' ], __METHOD__, [ 'USE INDEX' => 'a_b_idx' ] );
695
696 $this->assertEquals(
697 "SELECT field FROM `zend` FORCE INDEX (a_c_idx) WHERE a = 'x' ",
698 $sql
699 );
700
701 $db->setIndexAliases( [] );
702 $sql = $db->selectSQLText(
703 'zend', 'field', [ 'a' => 'x' ], __METHOD__, [ 'USE INDEX' => 'a_b_idx' ] );
704
705 $this->assertEquals(
706 "SELECT field FROM `zend` FORCE INDEX (a_b_idx) WHERE a = 'x' ",
707 $sql
708 );
709 }
710
711 /**
712 * @covers Wikimedia\Rdbms\Database::setTableAliases
713 */
714 public function testTableAliases() {
715 $db = $this->getMockBuilder( DatabaseMysqli::class )
716 ->disableOriginalConstructor()
717 ->setMethods( [ 'mysqlRealEscapeString' ] )
718 ->getMock();
719 $db->method( 'mysqlRealEscapeString' )->willReturnCallback(
720 function ( $s ) {
721 return str_replace( "'", "\\'", $s );
722 }
723 );
724
725 $db->setTableAliases( [
726 'meow' => [ 'dbname' => 'feline', 'schema' => null, 'prefix' => 'cat_' ]
727 ] );
728 $sql = $db->selectSQLText( 'meow', 'field', [ 'a' => 'x' ], __METHOD__ );
729
730 $this->assertEquals(
731 "SELECT field FROM `feline`.`cat_meow` WHERE a = 'x' ",
732 $sql
733 );
734
735 $db->setTableAliases( [] );
736 $sql = $db->selectSQLText( 'meow', 'field', [ 'a' => 'x' ], __METHOD__ );
737
738 $this->assertEquals(
739 "SELECT field FROM `meow` WHERE a = 'x' ",
740 $sql
741 );
742 }
743 }