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[autoinstallsdev/mediawiki.git] / tests / phpunit / includes / utils / FileContentsHasherTest.php

diff --git a/tests/phpunit/includes/utils/FileContentsHasherTest.php b/tests/phpunit/includes/utils/FileContentsHasherTest.php
new file mode 100644 (file)
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+++ b/tests/phpunit/includes/utils/FileContentsHasherTest.php
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+<?php
+
+/**
+ * @covers FileContentsHasherTest
+ */
+class FileContentsHasherTest extends PHPUnit_Framework_TestCase {
+
+       public function provideSingleFile() {
+               return array_map( function ( $file ) {
+                       return [ $file, file_get_contents( $file ) ];
+               }, glob( __DIR__ . '/../../data/filecontentshasher/*.*' ) );
+       }
+
+       public function provideMultipleFiles() {
+               return [
+                       [ $this->provideSingleFile() ]
+               ];
+       }
+
+       /**
+        * @covers FileContentsHasher::getFileContentsHash
+        * @covers FileContentsHasher::getFileContentsHashInternal
+        * @dataProvider provideSingleFile
+        */
+       public function testSingleFileHash( $fileName, $contents ) {
+               foreach ( [ 'md4', 'md5' ] as $algo ) {
+                       $expectedHash = hash( $algo, $contents );
+                       $actualHash = FileContentsHasher::getFileContentsHash( $fileName, $algo );
+                       $this->assertEquals( $expectedHash, $actualHash );
+                       $actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileName, $algo );
+                       $this->assertEquals( $expectedHash, $actualHashRepeat );
+               }
+       }
+
+       /**
+        * @covers FileContentsHasher::getFileContentsHash
+        * @covers FileContentsHasher::getFileContentsHashInternal
+        * @dataProvider provideMultipleFiles
+        */
+       public function testMultipleFileHash( $files ) {
+               $fileNames = [];
+               $hashes = [];
+               foreach ( $files as $fileInfo ) {
+                       list( $fileName, $contents ) = $fileInfo;
+                       $fileNames[] = $fileName;
+                       $hashes[] = md5( $contents );
+               }
+
+               $expectedHash = md5( implode( '', $hashes ) );
+               $actualHash = FileContentsHasher::getFileContentsHash( $fileNames, 'md5' );
+               $this->assertEquals( $expectedHash, $actualHash );
+               $actualHashRepeat = FileContentsHasher::getFileContentsHash( $fileNames, 'md5' );
+               $this->assertEquals( $expectedHash, $actualHashRepeat );
+       }
+}