tests/phpunit/includes/utils/FileContentsHasherTest.php

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