1 files changed, 95 insertions, 0 deletions
diff --git a/apps/files/tests/HelperTest.php b/apps/files/tests/HelperTest.php
new file mode 100644
index 00000000000..ba93fa0efdf
--- /dev/null
+++ b/apps/files/tests/HelperTest.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+use OC\Files\FileInfo;
+use OCA\Files\Helper;
+
+class HelperTest extends \Test\TestCase {
+	private static function makeFileInfo($name, $size, $mtime, $isDir = false): FileInfo {
+		return new FileInfo(
+			'/' . $name,
+			null,
+			'/',
+			[
+				'name' => $name,
+				'size' => $size,
+				'mtime' => $mtime,
+				'type' => $isDir ? 'dir' : 'file',
+				'mimetype' => $isDir ? 'httpd/unix-directory' : 'application/octet-stream'
+			],
+			null
+		);
+	}
+
+	/**
+	 * Returns a file list for testing
+	 */
+	private static function getTestFileList(): array {
+		return [
+			self::makeFileInfo('a.txt', 4, 2.3 * pow(10, 9)),
+			self::makeFileInfo('q.txt', 5, 150),
+			self::makeFileInfo('subdir2', 87, 128, true),
+			self::makeFileInfo('b.txt', 2.2 * pow(10, 9), 800),
+			self::makeFileInfo('o.txt', 12, 100),
+			self::makeFileInfo('subdir', 88, 125, true),
+		];
+	}
+
+	public static function sortDataProvider(): array {
+		return [
+			[
+				'name',
+				false,
+				['subdir', 'subdir2', 'a.txt', 'b.txt', 'o.txt', 'q.txt'],
+			],
+			[
+				'name',
+				true,
+				['q.txt', 'o.txt', 'b.txt', 'a.txt', 'subdir2', 'subdir'],
+			],
+			[
+				'size',
+				false,
+				['a.txt', 'q.txt', 'o.txt', 'subdir2', 'subdir', 'b.txt'],
+			],
+			[
+				'size',
+				true,
+				['b.txt', 'subdir', 'subdir2', 'o.txt', 'q.txt', 'a.txt'],
+			],
+			[
+				'mtime',
+				false,
+				['o.txt', 'subdir', 'subdir2', 'q.txt', 'b.txt', 'a.txt'],
+			],
+			[
+				'mtime',
+				true,
+				['a.txt', 'b.txt', 'q.txt', 'subdir2', 'subdir', 'o.txt'],
+			],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('sortDataProvider')]
+	public function testSortByName(string $sort, bool $sortDescending, array $expectedOrder): void {
+		if (($sort === 'mtime') && (PHP_INT_SIZE < 8)) {
+			$this->markTestSkipped('Skip mtime sorting on 32bit');
+		}
+		$files = self::getTestFileList();
+		$files = Helper::sortFiles($files, $sort, $sortDescending);
+		$fileNames = [];
+		foreach ($files as $fileInfo) {
+			$fileNames[] = $fileInfo->getName();
+		}
+		$this->assertEquals(
+			$expectedOrder,
+			$fileNames
+		);
+	}
+}