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<?php
/**
* Holds tests for DatabaseMysqlBase MediaWiki class.
*
* @section LICENSE
* 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
* @author Antoine Musso
* @author Bryan Davis
* @copyright © 2013 Antoine Musso
* @copyright © 2013 Bryan Davis
* @copyright © 2013 Wikimedia Foundation Inc.
*/
/**
* Fake class around abstract class so we can call concrete methods.
*/
class FakeDatabaseMysqlBase extends DatabaseMysqlBase {
// From DatabaseBase
protected function closeConnection() {}
protected function doQuery( $sql ) {}
// From DatabaseMysql
protected function mysqlConnect( $realServer ) {}
protected function mysqlFreeResult( $res ) {}
protected function mysqlFetchObject( $res ) {}
protected function mysqlFetchArray( $res ) {}
protected function mysqlNumRows( $res ) {}
protected function mysqlNumFields( $res ) {}
protected function mysqlFieldName( $res, $n ) {}
protected function mysqlDataSeek( $res, $row ) {}
protected function mysqlError( $conn = null ) {}
protected function mysqlFetchField( $res, $n ) {}
protected function mysqlPing() {}
// From interface DatabaseType
function insertId() {}
function lastErrno() {}
function affectedRows() {}
function getServerVersion() {}
}
class DatabaseMysqlBaseTest extends MediaWikiTestCase {
/**
* @dataProvider provideDiapers
* @covers DatabaseMysqlBase::addIdentifierQuotes
*/
public function testAddIdentifierQuotes( $expected, $in ) {
$db = new FakeDatabaseMysqlBase();
$quoted = $db->addIdentifierQuotes( $in );
$this->assertEquals($expected, $quoted);
}
/**
* Feeds testAddIdentifierQuotes
*
* Named per bug 20281 convention.
*/
function provideDiapers() {
return array(
// Format: expected, input
array( '``', '' ),
// Yeah I really hate loosely typed PHP idiocies nowadays
array( '``', null ),
// Dear codereviewer, guess what addIdentifierQuotes()
// will return with thoses:
array( '``', false ),
array( '`1`', true ),
// We never know what could happen
array( '`0`', 0 ),
array( '`1`', 1 ),
// Whatchout! Should probably use something more meaningful
array( "`'`", "'" ), # single quote
array( '`"`', '"' ), # double quote
array( '````', '`' ), # backtick
array( '`’`', '’' ), # apostrophe (look at your encyclopedia)
// sneaky NUL bytes are lurking everywhere
array( '``', "\0" ),
array( '`xyzzy`', "\0x\0y\0z\0z\0y\0" ),
// unicode chars
array(
self::createUnicodeString( '`\u0001a\uFFFFb`' ),
self::createUnicodeString( '\u0001a\uFFFFb' )
),
array(
self::createUnicodeString( '`\u0001\uFFFF`' ),
self::createUnicodeString( '\u0001\u0000\uFFFF\u0000' )
),
array( '`☃`', '☃' ),
array( '`メインページ`', 'メインページ' ),
array( '`Басты_бет`', 'Басты_бет' ),
// Real world:
array( '`Alix`', 'Alix' ), # while( ! $recovered ) { sleep(); }
array( '`Backtick: ```', 'Backtick: `' ),
array( '`This is a test`', 'This is a test' ),
);
}
private static function createUnicodeString($str) {
return json_decode( '"' . $str . '"' );
}
function getMockForViews() {
$db = $this->getMockBuilder( 'DatabaseMysql' )
->disableOriginalConstructor()
->setMethods( array( 'fetchRow', 'query' ) )
->getMock();
$db->expects( $this->any() )
->method( 'query' )
->with( $this->anything() )
->will(
$this->returnValue( null )
);
$db->expects( $this->any() )
->method( 'fetchRow' )
->with( $this->anything() )
->will( $this->onConsecutiveCalls(
array( 'Tables_in_' => 'view1' ),
array( 'Tables_in_' => 'view2' ),
array( 'Tables_in_' => 'myview' ),
false # no more rows
));
return $db;
}
/**
* @covers DatabaseMysqlBase::listViews
*/
function testListviews() {
$db = $this->getMockForViews();
// The first call populate an internal cache of views
$this->assertEquals( array( 'view1', 'view2', 'myview'),
$db->listViews() );
$this->assertEquals( array( 'view1', 'view2', 'myview'),
$db->listViews() );
// Prefix filtering
$this->assertEquals( array( 'view1', 'view2' ),
$db->listViews( 'view' ) );
$this->assertEquals( array( 'myview' ),
$db->listViews( 'my' ) );
$this->assertEquals( array(),
$db->listViews( 'UNUSED_PREFIX' ) );
$this->assertEquals( array( 'view1', 'view2', 'myview'),
$db->listViews( '' ) );
}
/**
* @covers DatabaseMysqlBase::isView
* @dataProvider provideViewExistanceChecks
*/
function testIsView( $isView, $viewName ) {
$db = $this->getMockForViews();
switch( $isView ) {
case true:
$this->assertTrue( $db->isView( $viewName ),
"$viewName should be considered a view" );
break;
case false:
$this->assertFalse( $db->isView( $viewName ),
"$viewName has not been defined as a view" );
break;
}
}
function provideViewExistanceChecks() {
return array(
// format: whether it is a view, view name
array( true, 'view1' ),
array( true, 'view2' ),
array( true, 'myview' ),
array( false, 'user' ),
array( false, 'view10' ),
array( false, 'my' ),
array( false, 'OH_MY_GOD' ), # they killed kenny!
);
}
}
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