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<?php
namespace MediaWiki\Tests\Storage;
use Language;
use MediaWiki\MediaWikiServices;
use MediaWiki\Storage\SqlBlobStore;
use MediaWikiTestCase;
use stdClass;
use TitleValue;
/**
* @covers \MediaWiki\Storage\SqlBlobStore
* @group Database
*/
class SqlBlobStoreTest extends MediaWikiTestCase {
/**
* @return SqlBlobStore
*/
public function getBlobStore( $legacyEncoding = false, $compressRevisions = false ) {
$services = MediaWikiServices::getInstance();
$store = new SqlBlobStore(
$services->getDBLoadBalancer(),
$services->getMainWANObjectCache()
);
if ( $compressRevisions ) {
$store->setCompressBlobs( $compressRevisions );
}
if ( $legacyEncoding ) {
$store->setLegacyEncoding( $legacyEncoding, Language::factory( 'en' ) );
}
return $store;
}
/**
* @covers \MediaWiki\Storage\SqlBlobStore::getCompressBlobs()
* @covers \MediaWiki\Storage\SqlBlobStore::setCompressBlobs()
*/
public function testGetSetCompressRevisions() {
$store = $this->getBlobStore();
$this->assertFalse( $store->getCompressBlobs() );
$store->setCompressBlobs( true );
$this->assertTrue( $store->getCompressBlobs() );
}
/**
* @covers \MediaWiki\Storage\SqlBlobStore::getLegacyEncoding()
* @covers \MediaWiki\Storage\SqlBlobStore::getLegacyEncodingConversionLang()
* @covers \MediaWiki\Storage\SqlBlobStore::setLegacyEncoding()
*/
public function testGetSetLegacyEncoding() {
$store = $this->getBlobStore();
$this->assertFalse( $store->getLegacyEncoding() );
$this->assertNull( $store->getLegacyEncodingConversionLang() );
$en = Language::factory( 'en' );
$store->setLegacyEncoding( 'foo', $en );
$this->assertSame( 'foo', $store->getLegacyEncoding() );
$this->assertSame( $en, $store->getLegacyEncodingConversionLang() );
}
/**
* @covers \MediaWiki\Storage\SqlBlobStore::getCacheExpiry()
* @covers \MediaWiki\Storage\SqlBlobStore::setCacheExpiry()
*/
public function testGetSetCacheExpiry() {
$store = $this->getBlobStore();
$this->assertSame( 604800, $store->getCacheExpiry() );
$store->setCacheExpiry( 12 );
$this->assertSame( 12, $store->getCacheExpiry() );
}
/**
* @covers \MediaWiki\Storage\SqlBlobStore::getUseExternalStore()
* @covers \MediaWiki\Storage\SqlBlobStore::setUseExternalStore()
*/
public function testGetSetUseExternalStore() {
$store = $this->getBlobStore();
$this->assertFalse( $store->getUseExternalStore() );
$store->setUseExternalStore( true );
$this->assertTrue( $store->getUseExternalStore() );
}
public function provideDecompress() {
yield '(no legacy encoding), false in false out' => [ false, false, [], false ];
yield '(no legacy encoding), empty in empty out' => [ false, '', [], '' ];
yield '(no legacy encoding), empty in empty out' => [ false, 'A', [], 'A' ];
yield '(no legacy encoding), string in with gzip flag returns string' => [
// gzip string below generated with gzdeflate( 'AAAABBAAA' )
false, "sttttr\002\022\000", [ 'gzip' ], 'AAAABBAAA',
];
yield '(no legacy encoding), string in with object flag returns false' => [
// gzip string below generated with serialize( 'JOJO' )
false, "s:4:\"JOJO\";", [ 'object' ], false,
];
yield '(no legacy encoding), serialized object in with object flag returns string' => [
false,
// Using a TitleValue object as it has a getText method (which is needed)
serialize( new TitleValue( 0, 'HHJJDDFF' ) ),
[ 'object' ],
'HHJJDDFF',
];
yield '(no legacy encoding), serialized object in with object & gzip flag returns string' => [
false,
// Using a TitleValue object as it has a getText method (which is needed)
gzdeflate( serialize( new TitleValue( 0, '8219JJJ840' ) ) ),
[ 'object', 'gzip' ],
'8219JJJ840',
];
yield '(ISO-8859-1 encoding), string in string out' => [
'ISO-8859-1',
iconv( 'utf-8', 'ISO-8859-1', "1®Àþ1" ),
[],
'1®Àþ1',
];
yield '(ISO-8859-1 encoding), serialized object in with gzip flags returns string' => [
'ISO-8859-1',
gzdeflate( iconv( 'utf-8', 'ISO-8859-1', "4®Àþ4" ) ),
[ 'gzip' ],
'4®Àþ4',
];
yield '(ISO-8859-1 encoding), serialized object in with object flags returns string' => [
'ISO-8859-1',
serialize( new TitleValue( 0, iconv( 'utf-8', 'ISO-8859-1', "3®Àþ3" ) ) ),
[ 'object' ],
'3®Àþ3',
];
yield '(ISO-8859-1 encoding), serialized object in with object & gzip flags returns string' => [
'ISO-8859-1',
gzdeflate( serialize( new TitleValue( 0, iconv( 'utf-8', 'ISO-8859-1', "2®Àþ2" ) ) ) ),
[ 'gzip', 'object' ],
'2®Àþ2',
];
yield 'T184749 (windows-1252 encoding), string in string out' => [
'windows-1252',
iconv( 'utf-8', 'windows-1252', "sammansättningar" ),
[],
'sammansättningar',
];
yield 'T184749 (windows-1252 encoding), string in string out with gzip' => [
'windows-1252',
gzdeflate( iconv( 'utf-8', 'windows-1252', "sammansättningar" ) ),
[ 'gzip' ],
'sammansättningar',
];
}
/**
* @dataProvider provideDecompress
* @covers \MediaWiki\Storage\SqlBlobStore::decompressData
*
* @param string|bool $legacyEncoding
* @param mixed $data
* @param array $flags
* @param mixed $expected
*/
public function testDecompressData( $legacyEncoding, $data, $flags, $expected ) {
$store = $this->getBlobStore( $legacyEncoding );
$this->assertSame(
$expected,
$store->decompressData( $data, $flags )
);
}
/**
* @covers \MediaWiki\Storage\SqlBlobStore::compressData
*/
public function testCompressRevisionTextUtf8() {
$store = $this->getBlobStore();
$row = new stdClass;
$row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
$row->old_flags = $store->compressData( $row->old_text );
$this->assertTrue( false !== strpos( $row->old_flags, 'utf-8' ),
"Flags should contain 'utf-8'" );
$this->assertFalse( false !== strpos( $row->old_flags, 'gzip' ),
"Flags should not contain 'gzip'" );
$this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
$row->old_text, "Direct check" );
}
/**
* @covers \MediaWiki\Storage\SqlBlobStore::compressData
*/
public function testCompressRevisionTextUtf8Gzip() {
$store = $this->getBlobStore( false, true );
$this->checkPHPExtension( 'zlib' );
$row = new stdClass;
$row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
$row->old_flags = $store->compressData( $row->old_text );
$this->assertTrue( false !== strpos( $row->old_flags, 'utf-8' ),
"Flags should contain 'utf-8'" );
$this->assertTrue( false !== strpos( $row->old_flags, 'gzip' ),
"Flags should contain 'gzip'" );
$this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
gzinflate( $row->old_text ), "Direct check" );
}
public function provideBlobs() {
yield [ '' ];
yield [ 'someText' ];
yield [ "sammansättningar" ];
}
/**
* @dataProvider provideBlobs
* @covers \MediaWiki\Storage\SqlBlobStore::storeBlob
* @covers \MediaWiki\Storage\SqlBlobStore::getBlob
*/
public function testSimpleStoreGetBlobSimpleRoundtrip( $blob ) {
$store = $this->getBlobStore();
$address = $store->storeBlob( $blob );
$this->assertSame( $blob, $store->getBlob( $address ) );
}
/**
* @dataProvider provideBlobs
* @covers \MediaWiki\Storage\SqlBlobStore::storeBlob
* @covers \MediaWiki\Storage\SqlBlobStore::getBlob
*/
public function testSimpleStoreGetBlobSimpleRoundtripWindowsLegacyEncoding( $blob ) {
$store = $this->getBlobStore( 'windows-1252' );
$address = $store->storeBlob( $blob );
$this->assertSame( $blob, $store->getBlob( $address ) );
}
/**
* @dataProvider provideBlobs
* @covers \MediaWiki\Storage\SqlBlobStore::storeBlob
* @covers \MediaWiki\Storage\SqlBlobStore::getBlob
*/
public function testSimpleStoreGetBlobSimpleRoundtripWindowsLegacyEncodingGzip( $blob ) {
$store = $this->getBlobStore( 'windows-1252', true );
$address = $store->storeBlob( $blob );
$this->assertSame( $blob, $store->getBlob( $address ) );
}
}
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