tests/phpunit/includes/GitInfoTest.php

   1 <?php
   2 /**
   3  * @covers GitInfo
   4  */
   5 class GitInfoTest extends MediaWikiTestCase {
   6
   7         private static $tempDir;
   8
   9         public static function setUpBeforeClass() {
  10                 self::$tempDir = wfTempDir() . '/mw-phpunit-' . wfRandomString( 8 );
  11                 if ( !mkdir( self::$tempDir ) ) {
  12                         self::$tempDir = null;
  13                         throw new Exception( 'Unable to create temporary directory' );
  14                 }
  15                 mkdir( self::$tempDir . '/gitrepo' );
  16                 mkdir( self::$tempDir . '/gitrepo/1' );
  17                 mkdir( self::$tempDir . '/gitrepo/2' );
  18                 mkdir( self::$tempDir . '/gitrepo/3' );
  19                 mkdir( self::$tempDir . '/gitrepo/1/.git' );
  20                 mkdir( self::$tempDir . '/gitrepo/1/.git/refs' );
  21                 mkdir( self::$tempDir . '/gitrepo/1/.git/refs/heads' );
  22                 file_put_contents( self::$tempDir . '/gitrepo/1/.git/HEAD',
  23                         "ref: refs/heads/master\n" );
  24                 file_put_contents( self::$tempDir . '/gitrepo/1/.git/refs/heads/master',
  25                         "0123456789012345678901234567890123abcdef\n" );
  26                 file_put_contents( self::$tempDir . '/gitrepo/1/.git/packed-refs',
  27                         "abcdef6789012345678901234567890123456789 refs/heads/master\n" );
  28                 file_put_contents( self::$tempDir . '/gitrepo/2/.git',
  29                         "gitdir: ../1/.git\n" );
  30                 file_put_contents( self::$tempDir . '/gitrepo/3/.git',
  31                         'gitdir: ' . self::$tempDir . "/gitrepo/1/.git\n" );
  32         }
  33
  34         public static function tearDownAfterClass() {
  35                 if ( self::$tempDir ) {
  36                         wfRecursiveRemoveDir( self::$tempDir );
  37                 }
  38         }
  39
  40         protected function setUp() {
  41                 parent::setUp();
  42                 $this->setMwGlobals( 'wgGitInfoCacheDirectory', __DIR__ . '/../data/gitinfo' );
  43         }
  44
  45         protected function assertValidGitInfo( GitInfo $gitInfo ) {
  46                 $this->assertTrue( $gitInfo->cacheIsComplete() );
  47                 $this->assertEquals( 'refs/heads/master', $gitInfo->getHead() );
  48                 $this->assertEquals( '0123456789abcdef0123456789abcdef01234567',
  49                         $gitInfo->getHeadSHA1() );
  50                 $this->assertEquals( '1070884800', $gitInfo->getHeadCommitDate() );
  51                 $this->assertEquals( 'master', $gitInfo->getCurrentBranch() );
  52                 $this->assertContains( '0123456789abcdef0123456789abcdef01234567',
  53                         $gitInfo->getHeadViewUrl() );
  54         }
  55
  56         public function testValidJsonData() {
  57                 global $IP;
  58
  59                 $this->assertValidGitInfo( new GitInfo( "$IP/testValidJsonData" ) );
  60                 $this->assertValidGitInfo( new GitInfo( __DIR__ . "/../data/gitinfo/extension" ) );
  61         }
  62
  63         public function testMissingJsonData() {
  64                 $dir = $GLOBALS['IP'] . '/testMissingJsonData';
  65                 $fixture = new GitInfo( $dir );
  66
  67                 $this->assertFalse( $fixture->cacheIsComplete() );
  68
  69                 $this->assertEquals( false, $fixture->getHead() );
  70                 $this->assertEquals( false, $fixture->getHeadSHA1() );
  71                 $this->assertEquals( false, $fixture->getHeadCommitDate() );
  72                 $this->assertEquals( false, $fixture->getCurrentBranch() );
  73                 $this->assertEquals( false, $fixture->getHeadViewUrl() );
  74
  75                 // After calling all the outputs, the cache should be complete
  76                 $this->assertTrue( $fixture->cacheIsComplete() );
  77         }
  78
  79         public function testReadingHead() {
  80                 $dir = self::$tempDir . '/gitrepo/1';
  81                 $fixture = new GitInfo( $dir );
  82
  83                 $this->assertEquals( 'refs/heads/master', $fixture->getHead() );
  84                 $this->assertEquals( '0123456789012345678901234567890123abcdef', $fixture->getHeadSHA1() );
  85         }
  86
  87         public function testIndirection() {
  88                 $dir = self::$tempDir . '/gitrepo/2';
  89                 $fixture = new GitInfo( $dir );
  90
  91                 $this->assertEquals( 'refs/heads/master', $fixture->getHead() );
  92                 $this->assertEquals( '0123456789012345678901234567890123abcdef', $fixture->getHeadSHA1() );
  93         }
  94
  95         public function testIndirection2() {
  96                 $dir = self::$tempDir . '/gitrepo/3';
  97                 $fixture = new GitInfo( $dir );
  98
  99                 $this->assertEquals( 'refs/heads/master', $fixture->getHead() );
 100                 $this->assertEquals( '0123456789012345678901234567890123abcdef', $fixture->getHeadSHA1() );
 101         }
 102
 103         public function testReadingPackedRefs() {
 104                 $dir = self::$tempDir . '/gitrepo/1';
 105                 unlink( self::$tempDir . '/gitrepo/1/.git/refs/heads/master' );
 106                 $fixture = new GitInfo( $dir );
 107
 108                 $this->assertEquals( 'refs/heads/master', $fixture->getHead() );
 109                 $this->assertEquals( 'abcdef6789012345678901234567890123456789', $fixture->getHeadSHA1() );
 110         }
 111 }