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-rw-r--r--tests/phpunit/includes/UIDGeneratorTest.php76
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/phpunit/includes/UIDGeneratorTest.php b/tests/phpunit/includes/UIDGeneratorTest.php
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+++ b/tests/phpunit/includes/UIDGeneratorTest.php
@@ -0,0 +1,76 @@
+<?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" );
+ }
+ }
+}