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Mini Shell
Mini Shell
<?php
/**
* Holds tests for DatabaseMysqlBase 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
* @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
function __construct() {
$this->profiler = new ProfilerStub( [] );
$this->trxProfiler = new TransactionProfiler();
$this->cliMode = true;
$this->connLogger = new \Psr\Log\NullLogger();
$this->queryLogger = new \Psr\Log\NullLogger();
$this->errorLogger = function ( Exception $e ) {
wfWarn( get_class( $e ) . ": {$e->getMessage()}" );
};
$this->currentDomain = DatabaseDomain::newUnspecified();
}
protected function closeConnection() {
}
protected function doQuery( $sql ) {
}
// From DatabaseMysql
protected function mysqlConnect( $realServer ) {
}
protected function mysqlSetCharset( $charset ) {
}
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 mysqlFieldType( $res, $n ) {
}
protected function mysqlDataSeek( $res, $row ) {
}
protected function mysqlError( $conn = null ) {
}
protected function mysqlFetchField( $res, $n ) {
}
protected function mysqlRealEscapeString( $s ) {
}
// 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 [
// Format: expected, input
[ '``', '' ],
// Yeah I really hate loosely typed PHP idiocies nowadays
[ '``', null ],
// Dear codereviewer, guess what addIdentifierQuotes()
// will return with thoses:
[ '``', false ],
[ '`1`', true ],
// We never know what could happen
[ '`0`', 0 ],
[ '`1`', 1 ],
// Whatchout! Should probably use something more meaningful
[ "`'`", "'" ], # single quote
[ '`"`', '"' ], # double quote
[ '````', '`' ], # backtick
[ '`’`', '’' ], # apostrophe (look at your encyclopedia)
// sneaky NUL bytes are lurking everywhere
[ '``', "\0" ],
[ '`xyzzy`', "\0x\0y\0z\0z\0y\0" ],
// unicode chars
[
self::createUnicodeString( '`\u0001a\uFFFFb`' ),
self::createUnicodeString( '\u0001a\uFFFFb' )
],
[
self::createUnicodeString( '`\u0001\uFFFF`' ),
self::createUnicodeString( '\u0001\u0000\uFFFF\u0000' )
],
[ '`☃`', '☃' ],
[ '`メインページ`', 'メインページ' ],
[ '`Басты_бет`', 'Басты_бет' ],
// Real world:
[ '`Alix`', 'Alix' ], # while( ! $recovered ) { sleep(); }
[ '`Backtick: ```', 'Backtick: `' ],
[ '`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( [ 'fetchRow', 'query' ] )
->getMock();
$db->method( 'query' )
->with( $this->anything() )
->willReturn( null );
$db->method( 'fetchRow' )
->with( $this->anything() )
->will( $this->onConsecutiveCalls(
[ 'Tables_in_' => 'view1' ],
[ 'Tables_in_' => 'view2' ],
[ '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( [ 'view1', 'view2', 'myview' ],
$db->listViews() );
$this->assertEquals( [ 'view1', 'view2', 'myview' ],
$db->listViews() );
// Prefix filtering
$this->assertEquals( [ 'view1', 'view2' ],
$db->listViews( 'view' ) );
$this->assertEquals( [ 'myview' ],
$db->listViews( 'my' ) );
$this->assertEquals( [],
$db->listViews( 'UNUSED_PREFIX' ) );
$this->assertEquals( [ '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 [
// format: whether it is a view, view name
[ true, 'view1' ],
[ true, 'view2' ],
[ true, 'myview' ],
[ false, 'user' ],
[ false, 'view10' ],
[ false, 'my' ],
[ false, 'OH_MY_GOD' ], # they killed kenny!
];
}
/**
* @dataProvider provideComparePositions
*/
function testHasReached( MySQLMasterPos $lowerPos, MySQLMasterPos $higherPos, $match ) {
if ( $match ) {
$this->assertTrue( $lowerPos->channelsMatch( $higherPos ) );
$this->assertTrue( $higherPos->hasReached( $lowerPos ) );
$this->assertTrue( $higherPos->hasReached( $higherPos ) );
$this->assertTrue( $lowerPos->hasReached( $lowerPos ) );
$this->assertFalse( $lowerPos->hasReached( $higherPos ) );
} else { // channels don't match
$this->assertFalse( $lowerPos->channelsMatch( $higherPos ) );
$this->assertFalse( $higherPos->hasReached( $lowerPos ) );
$this->assertFalse( $lowerPos->hasReached( $higherPos ) );
}
}
function provideComparePositions() {
return [
// Binlog style
[
new MySQLMasterPos( 'db1034-bin.000976', '843431247' ),
new MySQLMasterPos( 'db1034-bin.000976', '843431248' ),
true
],
[
new MySQLMasterPos( 'db1034-bin.000976', '999' ),
new MySQLMasterPos( 'db1034-bin.000976', '1000' ),
true
],
[
new MySQLMasterPos( 'db1034-bin.000976', '999' ),
new MySQLMasterPos( 'db1035-bin.000976', '1000' ),
false
],
// MySQL GTID style
[
new MySQLMasterPos( 'db1-bin.2', '1', '3E11FA47-71CA-11E1-9E33-C80AA9429562:23' ),
new MySQLMasterPos( 'db1-bin.2', '2', '3E11FA47-71CA-11E1-9E33-C80AA9429562:24' ),
true
],
[
new MySQLMasterPos( 'db1-bin.2', '1', '3E11FA47-71CA-11E1-9E33-C80AA9429562:99' ),
new MySQLMasterPos( 'db1-bin.2', '2', '3E11FA47-71CA-11E1-9E33-C80AA9429562:100' ),
true
],
[
new MySQLMasterPos( 'db1-bin.2', '1', '3E11FA47-71CA-11E1-9E33-C80AA9429562:99' ),
new MySQLMasterPos( 'db1-bin.2', '2', '1E11FA47-71CA-11E1-9E33-C80AA9429562:100' ),
false
],
// MariaDB GTID style
[
new MySQLMasterPos( 'db1-bin.2', '1', '255-11-23' ),
new MySQLMasterPos( 'db1-bin.2', '2', '255-11-24' ),
true
],
[
new MySQLMasterPos( 'db1-bin.2', '1', '255-11-99' ),
new MySQLMasterPos( 'db1-bin.2', '2', '255-11-100' ),
true
],
[
new MySQLMasterPos( 'db1-bin.2', '1', '255-11-999' ),
new MySQLMasterPos( 'db1-bin.2', '2', '254-11-1000' ),
false
],
];
}
/**
* @dataProvider provideChannelPositions
*/
function testChannelsMatch( MySQLMasterPos $pos1, MySQLMasterPos $pos2, $matches ) {
$this->assertEquals( $matches, $pos1->channelsMatch( $pos2 ) );
$this->assertEquals( $matches, $pos2->channelsMatch( $pos1 ) );
}
function provideChannelPositions() {
return [
[
new MySQLMasterPos( 'db1034-bin.000876', '44' ),
new MySQLMasterPos( 'db1034-bin.000976', '74' ),
true
],
[
new MySQLMasterPos( 'db1052-bin.000976', '999' ),
new MySQLMasterPos( 'db1052-bin.000976', '1000' ),
true
],
[
new MySQLMasterPos( 'db1066-bin.000976', '9999' ),
new MySQLMasterPos( 'db1035-bin.000976', '10000' ),
false
],
[
new MySQLMasterPos( 'db1066-bin.000976', '9999' ),
new MySQLMasterPos( 'trump2016.000976', '10000' ),
false
],
];
}
/**
* @dataProvider provideLagAmounts
*/
function testPtHeartbeat( $lag ) {
$db = $this->getMockBuilder( 'DatabaseMysql' )
->disableOriginalConstructor()
->setMethods( [
'getLagDetectionMethod', 'getHeartbeatData', 'getMasterServerInfo' ] )
->getMock();
$db->method( 'getLagDetectionMethod' )
->willReturn( 'pt-heartbeat' );
$db->method( 'getMasterServerInfo' )
->willReturn( [ 'serverId' => 172, 'asOf' => time() ] );
// Fake the current time.
list( $nowSecFrac, $nowSec ) = explode( ' ', microtime() );
$now = (float)$nowSec + (float)$nowSecFrac;
// Fake the heartbeat time.
// Work arounds for weak DataTime microseconds support.
$ptTime = $now - $lag;
$ptSec = (int)$ptTime;
$ptSecFrac = ( $ptTime - $ptSec );
$ptDateTime = new DateTime( "@$ptSec" );
$ptTimeISO = $ptDateTime->format( 'Y-m-d\TH:i:s' );
$ptTimeISO .= ltrim( number_format( $ptSecFrac, 6 ), '0' );
$db->method( 'getHeartbeatData' )
->with( [ 'server_id' => 172 ] )
->willReturn( [ $ptTimeISO, $now ] );
$db->setLBInfo( 'clusterMasterHost', 'db1052' );
$lagEst = $db->getLag();
$this->assertGreaterThan( $lag - .010, $lagEst, "Correct heatbeat lag" );
$this->assertLessThan( $lag + .010, $lagEst, "Correct heatbeat lag" );
}
function provideLagAmounts() {
return [
[ 0 ],
[ 0.3 ],
[ 6.5 ],
[ 10.1 ],
[ 200.2 ],
[ 400.7 ],
[ 600.22 ],
[ 1000.77 ],
];
}
}
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