wiki.techinc.nl/tests/phpunit/includes/libs/rdbms/resultwrapper/ResultWrapperTest.php
Aaron Schulz 1f76570c46 Add ResultWrapper/FakeResultWrapper tests
Bug: T227665
Change-Id: I0709d0fb55640756b19614552b42b6b8341959f4
2019-07-11 19:57:14 +00:00

112 lines
3.3 KiB
PHP

<?php
/**
* Holds tests for ResultWrapper MediaWiki class.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\ResultWrapper;
/**
* @group Database
* @covers \Wikimedia\Rdbms\ResultWrapper
*/
class ResultWrapperTest extends PHPUnit\Framework\TestCase {
/**
* @return IDatabase
* @param array[] $rows
*/
private function getDatabaseMock( array $rows ) {
$db = $this->getMockBuilder( IDatabase::class )
->disableOriginalConstructor()
->getMock();
$db->method( 'select' )->willReturnCallback(
function () use ( $db, $rows ) {
return new ResultWrapper( $db, $rows );
}
);
$db->method( 'dataSeek' )->willReturnCallback(
function ( ResultWrapper $res, $pos ) use ( $db ) {
// Position already set in ResultWrapper
}
);
$db->method( 'fetchRow' )->willReturnCallback(
function ( ResultWrapper $res ) use ( $db ) {
$row = $res::unwrap( $res )[$res->key()] ?? false;
return $row;
}
);
$db->method( 'fetchObject' )->willReturnCallback(
function ( ResultWrapper $res ) use ( $db ) {
$row = $res::unwrap( $res )[$res->key()] ?? false;
return $row ? (object)$row : false;
}
);
$db->method( 'numRows' )->willReturnCallback(
function ( ResultWrapper $res ) use ( $db ) {
return count( $res::unwrap( $res ) );
}
);
return $db;
}
public function testIteration() {
$db = $this->getDatabaseMock( [
[ 'colA' => 1, 'colB' => 'a' ],
[ 'colA' => 2, 'colB' => 'b' ],
[ 'colA' => 3, 'colB' => 'c' ],
[ 'colA' => 4, 'colB' => 'd' ],
[ 'colA' => 5, 'colB' => 'e' ],
[ 'colA' => 6, 'colB' => 'f' ],
[ 'colA' => 7, 'colB' => 'g' ],
[ 'colA' => 8, 'colB' => 'h' ]
] );
$expectedRows = [
0 => (object)[ 'colA' => 1, 'colB' => 'a' ],
1 => (object)[ 'colA' => 2, 'colB' => 'b' ],
2 => (object)[ 'colA' => 3, 'colB' => 'c' ],
3 => (object)[ 'colA' => 4, 'colB' => 'd' ],
4 => (object)[ 'colA' => 5, 'colB' => 'e' ],
5 => (object)[ 'colA' => 6, 'colB' => 'f' ],
6 => (object)[ 'colA' => 7, 'colB' => 'g' ],
7 => (object)[ 'colA' => 8, 'colB' => 'h' ]
];
$res = $db->select( 'faketable', [ 'colA', 'colB' ], '1 = 1', __METHOD__ );
$this->assertEquals( 8, $res->numRows() );
$res->seek( 7 );
$this->assertEquals( [ 'colA' => 8, 'colB' => 'h' ], $res->fetchRow() );
$res->seek( 7 );
$this->assertEquals( (object)[ 'colA' => 8, 'colB' => 'h' ], $res->fetchObject() );
$this->assertEquals( $expectedRows, iterator_to_array( $res, true ) );
$rows = [];
foreach ( $res as $i => $row ) {
$rows[$i] = $row;
}
$this->assertEquals( $expectedRows, $rows );
}
}