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<?php
/**
* Test the CDB reader/writer
* @covers CdbWriterPHP
* @covers CdbWriterDBA
*/
class CdbTest extends MediaWikiTestCase {
protected function setUp() {
parent::setUp();
if ( !CdbReader::haveExtension() ) {
$this->markTestSkipped( 'Native CDB support is not available' );
}
}
/**
* @group medium
*/
public function testCdb() {
$dir = wfTempDir();
if ( !is_writable( $dir ) ) {
$this->markTestSkipped( "Temp dir isn't writable" );
}
$phpcdbfile = $this->getNewTempFile();
$dbacdbfile = $this->getNewTempFile();
$w1 = new CdbWriterPHP( $phpcdbfile );
$w2 = new CdbWriterDBA( $dbacdbfile );
$data = array();
for ( $i = 0; $i < 1000; $i++ ) {
$key = $this->randomString();
$value = $this->randomString();
$w1->set( $key, $value );
$w2->set( $key, $value );
if ( !isset( $data[$key] ) ) {
$data[$key] = $value;
}
}
$w1->close();
$w2->close();
$this->assertEquals(
md5_file( $phpcdbfile ),
md5_file( $dbacdbfile ),
'same hash'
);
$r1 = new CdbReaderPHP( $phpcdbfile );
$r2 = new CdbReaderDBA( $dbacdbfile );
foreach ( $data as $key => $value ) {
if ( $key === '' ) {
// Known bug
continue;
}
$v1 = $r1->get( $key );
$v2 = $r2->get( $key );
$v1 = $v1 === false ? '(not found)' : $v1;
$v2 = $v2 === false ? '(not found)' : $v2;
# cdbAssert( 'Mismatch', $key, $v1, $v2 );
$this->cdbAssert( "PHP error", $key, $v1, $value );
$this->cdbAssert( "DBA error", $key, $v2, $value );
}
}
private function randomString() {
$len = mt_rand( 0, 10 );
$s = '';
for ( $j = 0; $j < $len; $j++ ) {
$s .= chr( mt_rand( 0, 255 ) );
}
return $s;
}
private function cdbAssert( $msg, $key, $v1, $v2 ) {
$this->assertEquals(
$v2,
$v1,
$msg . ', k=' . bin2hex( $key )
);
}
}
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