tests/phpunit/unit/includes/utils/FileContentsHasherTest.php

   1 <?php
   2
   3 /**
   4  * @covers FileContentsHasherTest
   5  */
   6 class FileContentsHasherTest extends PHPUnit\Framework\TestCase {
   7
   8         use MediaWikiCoversValidator;
   9
  10         public function provideSingleFile() {
  11                 return array_map( function ( $file ) {
  12                         return [ $file, file_get_contents( $file ) ];
  13                 }, glob( __DIR__ . '/../../../data/filecontentshasher/*.*' ) );
  14         }
  15
  16         public function provideMultipleFiles() {
  17                 return [
  18                         [ $this->provideSingleFile() ]
  19                 ];
  20         }
  21
  22         /**
  23          * @covers FileContentsHasher::getFileContentsHash
  24          * @covers FileContentsHasher::getFileContentsHashInternal
  25          * @dataProvider provideSingleFile
  26          */
  27         public function testSingleFileHash( $fileName, $contents ) {
  28                 foreach ( [ 'md4', 'md5' ] as $algo ) {
  29                         $expectedHash = hash( $algo, $contents );
  30                         $actualHash = FileContentsHasher::getFileContentsHash( $fileName, $algo );
  31                         $this->assertEquals( $expectedHash, $actualHash );
  32                         $actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileName, $algo );
  33                         $this->assertEquals( $expectedHash, $actualHashRepeat );
  34                 }
  35         }
  36
  37         /**
  38          * @covers FileContentsHasher::getFileContentsHash
  39          * @covers FileContentsHasher::getFileContentsHashInternal
  40          * @dataProvider provideMultipleFiles
  41          */
  42         public function testMultipleFileHash( $files ) {
  43                 $fileNames = [];
  44                 $hashes = [];
  45                 foreach ( $files as $fileInfo ) {
  46                         list( $fileName, $contents ) = $fileInfo;
  47                         $fileNames[] = $fileName;
  48                         $hashes[] = md5( $contents );
  49                 }
  50
  51                 $expectedHash = md5( implode( '', $hashes ) );
  52                 $actualHash = FileContentsHasher::getFileContentsHash( $fileNames, 'md5' );
  53                 $this->assertEquals( $expectedHash, $actualHash );
  54                 $actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileNames, 'md5' );
  55                 $this->assertEquals( $expectedHash, $actualHashRepeat );
  56         }
  57 }