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<?php
class UIDGeneratorTest extends MediaWikiTestCase {
/**
* @dataProvider provider_testTimestampedUID
*/
public function testTimestampedUID( $method, $digitlen, $bits, $tbits, $hostbits ) {
$id = call_user_func( array( 'UIDGenerator', $method ) );
$this->assertEquals( true, ctype_digit( $id ), "UID made of digit characters" );
$this->assertLessThanOrEqual( $digitlen, strlen( $id ),
"UID has the right number of digits" );
$this->assertLessThanOrEqual( $bits, strlen( wfBaseConvert( $id, 10, 2 ) ),
"UID has the right number of bits" );
$ids = array();
for ( $i = 0; $i < 300; $i++ ) {
$ids[] = call_user_func( array( 'UIDGenerator', $method ) );
}
$lastId = array_shift( $ids );
if ( $hostbits ) {
$lastHost = substr( wfBaseConvert( $lastId, 10, 2, $bits ), -$hostbits );
}
$this->assertArrayEquals( array_unique( $ids ), $ids, "All generated IDs are unique." );
foreach ( $ids as $id ) {
$id_bin = wfBaseConvert( $id, 10, 2 );
$lastId_bin = wfBaseConvert( $lastId, 10, 2 );
$this->assertGreaterThanOrEqual(
substr( $id_bin, 0, $tbits ),
substr( $lastId_bin, 0, $tbits ),
"New ID timestamp ($id_bin) >= prior one ($lastId_bin)." );
if ( $hostbits ) {
$this->assertEquals(
substr( $id_bin, 0, -$hostbits ),
substr( $lastId_bin, 0, -$hostbits ),
"Host ID of ($id_bin) is same as prior one ($lastId_bin)." );
}
$lastId = $id;
}
}
/**
* array( method, length, bits, hostbits )
*/
public static function provider_testTimestampedUID() {
return array(
array( 'newTimestampedUID128', 39, 128, 46, 48 ),
array( 'newTimestampedUID128', 39, 128, 46, 48 ),
array( 'newTimestampedUID88', 27, 88, 46, 32 ),
);
}
public function testUUIDv4() {
for ( $i = 0; $i < 100; $i++ ) {
$id = UIDGenerator::newUUIDv4();
$this->assertEquals( true,
preg_match( '!^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$!', $id ),
"UID $id has the right format" );
$id = UIDGenerator::newRawUUIDv4();
$this->assertEquals( true,
preg_match( '!^[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15}$!', $id ),
"UID $id has the right format" );
$id = UIDGenerator::newRawUUIDv4( UIDGenerator::QUICK_RAND );
$this->assertEquals( true,
preg_match( '!^[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15}$!', $id ),
"UID $id has the right format" );
}
}
}
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