tests/phpunit/includes/utils/FileContentsHasherTest.php

   1 <?php
   2
   3 /**
   4  * @covers FileContentsHasherTest
   5  */
   6 class FileContentsHasherTest extends MediaWikiTestCase {
   7
   8         public function provideSingleFile() {
   9                 return array_map( function ( $file ) {
  10                         return array( $file, file_get_contents( $file ) );
  11                 }, glob( __DIR__ . '/../../data/filecontentshasher/*.*' ) );
  12         }
  13
  14         public function provideMultipleFiles() {
  15                 return array(
  16                         array( $this->provideSingleFile() )
  17                 );
  18         }
  19
  20         /**
  21          * @covers FileContentsHasher::getFileContentHash
  22          * @covers FileContentsHasher::getFileContentsHashInternal
  23          * @dataProvider provideSingleFile
  24          */
  25         public function testSingleFileHash( $fileName, $contents ) {
  26                 foreach ( array( 'md4', 'md5' ) as $algo ) {
  27                         $expectedHash = hash( $algo, $contents );
  28                         $actualHash = FileContentsHasher::getFileContentsHash( $fileName, $algo );
  29                         $this->assertEquals( $expectedHash, $actualHash );
  30                         $actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileName, $algo );
  31                         $this->assertEquals( $expectedHash, $actualHashRepeat );
  32                 }
  33         }
  34
  35         /**
  36          * @covers FileContentsHasher::getFileContentHash
  37          * @covers FileContentsHasher::getFileContentsHashInternal
  38          * @dataProvider provideMultipleFiles
  39          */
  40         public function testMultipleFileHash( $files ) {
  41                 $fileNames = array();
  42                 $hashes = array();
  43                 foreach ( $files as $fileInfo ) {
  44                         list( $fileName, $contents ) = $fileInfo;
  45                         $fileNames[] = $fileName;
  46                         $hashes[] = md5( $contents );
  47                 }
  48
  49                 $expectedHash = md5( implode( '', $hashes ) );
  50                 $actualHash = FileContentsHasher::getFileContentsHash( $fileNames, 'md5' );
  51                 $this->assertEquals( $expectedHash, $actualHash );
  52                 $actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileNames, 'md5' );
  53                 $this->assertEquals( $expectedHash, $actualHashRepeat );
  54         }
  55 }