diff options
Diffstat (limited to 'www/wiki/tests/phpunit/includes/DiffHistoryBlobTest.php')
-rw-r--r-- | www/wiki/tests/phpunit/includes/DiffHistoryBlobTest.php | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/www/wiki/tests/phpunit/includes/DiffHistoryBlobTest.php b/www/wiki/tests/phpunit/includes/DiffHistoryBlobTest.php new file mode 100644 index 00000000..c267a30e --- /dev/null +++ b/www/wiki/tests/phpunit/includes/DiffHistoryBlobTest.php @@ -0,0 +1,45 @@ +<?php + +class DiffHistoryBlobTest extends MediaWikiTestCase { + + protected function setUp() { + parent::setUp(); + + $this->checkPHPExtension( 'hash' ); + $this->checkPHPExtension( 'xdiff' ); + + if ( !function_exists( 'xdiff_string_rabdiff' ) ) { + $this->markTestSkipped( 'The version of xdiff extension is lower than 1.5.0' ); + return; + } + } + + /** + * Test for DiffHistoryBlob::xdiffAdler32() + * @dataProvider provideXdiffAdler32 + * @covers DiffHistoryBlob::xdiffAdler32 + */ + public function testXdiffAdler32( $input ) { + $xdiffHash = substr( xdiff_string_rabdiff( $input, '' ), 0, 4 ); + $dhb = new DiffHistoryBlob; + $myHash = $dhb->xdiffAdler32( $input ); + $this->assertSame( bin2hex( $xdiffHash ), bin2hex( $myHash ), + "Hash of " . addcslashes( $input, "\0..\37!@\@\177..\377" ) ); + } + + public function provideXdiffAdler32() { + // Hack non-empty early return since PHPUnit expands this provider before running + // the setUp() which marks the test as skipped. + if ( !function_exists( 'xdiff_string_rabdiff' ) ) { + return [ [ '', 'Empty string' ] ]; + } + + return [ + [ '', 'Empty string' ], + [ "\0", 'Null' ], + [ "\0\0\0", "Several nulls" ], + [ "Hello", "An ASCII string" ], + [ str_repeat( "x", 6000 ), "A string larger than xdiff's NMAX (5552)" ] + ]; + } +} |