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<?php
class UIDGeneratorTest extends MediaWikiTestCase {
protected function tearDown() {
// Bug: 44850
UIDGenerator::unitTestTearDown();
parent::tearDown();
}
/**
* @dataProvider provider_testTimestampedUID
* @covers UIDGenerator::newTimestampedUID128
* @covers UIDGenerator::newTimestampedUID88
*/
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 );
$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 )
* NOTE: When adding a new method name here please update the covers tags for the tests!
*/
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 ),
);
}
/**
* @covers UIDGenerator::newUUIDv4
*/
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" );
}
}
/**
* @covers UIDGenerator::newRawUUIDv4
*/
public function testRawUUIDv4() {
for ( $i = 0; $i < 100; $i++ ) {
$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" );
}
}
/**
* @covers UIDGenerator::newRawUUIDv4
*/
public function testRawUUIDv4QuickRand() {
for ( $i = 0; $i < 100; $i++ ) {
$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" );
}
}
/**
* @covers UIDGenerator::newSequentialPerNodeID
*/
public function testNewSequentialID() {
$id1 = UIDGenerator::newSequentialPerNodeID( 'test', 32 );
$id2 = UIDGenerator::newSequentialPerNodeID( 'test', 32 );
$this->assertType( 'float', $id1, "ID returned as float" );
$this->assertType( 'float', $id2, "ID returned as float" );
$this->assertGreaterThan( 0, $id1, "ID greater than 1" );
$this->assertGreaterThan( $id1, $id2, "IDs increasing in value" );
}
/**
* @covers UIDGenerator::newSequentialPerNodeIDs
*/
public function testNewSequentialIDs() {
$ids = UIDGenerator::newSequentialPerNodeIDs( 'test', 32, 5 );
$lastId = null;
foreach ( $ids as $id ) {
$this->assertType( 'float', $id, "ID returned as float" );
$this->assertGreaterThan( 0, $id, "ID greater than 1" );
if ( $lastId ) {
$this->assertGreaterThan( $lastId, $id, "IDs increasing in value" );
}
$lastId = $id;
}
}
}
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