1 files changed, 57 insertions, 0 deletions
diff --git a/www/wiki/tests/phpunit/includes/utils/FileContentsHasherTest.php b/www/wiki/tests/phpunit/includes/utils/FileContentsHasherTest.php
new file mode 100644
index 00000000..316d9f42
--- /dev/null
+++ b/www/wiki/tests/phpunit/includes/utils/FileContentsHasherTest.php
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @covers FileContentsHasherTest
+ */
+class FileContentsHasherTest extends PHPUnit\Framework\TestCase {
+
+	use MediaWikiCoversValidator;
+
+	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 );
+	}
+}