1 files changed, 83 insertions, 0 deletions
diff --git a/tests/filesystem/helper_realpath_test.php b/tests/filesystem/helper_realpath_test.php
new file mode 100644
index 0000000000..bfb871384b
--- /dev/null
+++ b/tests/filesystem/helper_realpath_test.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+use phpbb\filesystem\helper as filesystem_helper;
+
+class phpbb_filesystem_helper_realpath_test extends phpbb_test_case
+{
+	protected static $filesystem_helper_phpbb_own_realpath;
+
+	static public function setUpBeforeClass()
+	{
+		parent::setUpBeforeClass();
+
+		self::$filesystem_helper_phpbb_own_realpath = new ReflectionMethod('\phpbb\filesystem\helper', 'phpbb_own_realpath');
+		self::$filesystem_helper_phpbb_own_realpath->setAccessible(true);
+	}
+
+	public function setUp(): void
+	{
+		parent::setUp();
+	}
+
+	public function realpath_resolve_absolute_without_symlinks_data()
+	{
+		// Constant data
+		yield [__DIR__, __DIR__];
+		yield [__DIR__ . '/../filesystem/../filesystem', __DIR__];
+		yield [__DIR__ . '/././', __DIR__];
+		yield [__DIR__ . '/non_existent', false];
+
+		yield [__FILE__, __FILE__];
+		yield [__FILE__ . '../', false];
+	}
+
+	public function realpath_resolve_relative_without_symlinks_data()
+	{
+		if (!function_exists('getcwd'))
+		{
+			yield [];
+		}
+		else
+		{
+			$relative_path = filesystem_helper::make_path_relative(__DIR__, getcwd());
+
+			yield [$relative_path, __DIR__];
+			yield [$relative_path . '../filesystem/../filesystem', __DIR__];
+			yield [$relative_path . '././', __DIR__];
+
+			yield [$relative_path . 'helper_realpath_test.php', __FILE__];
+		}
+	}
+
+	/**
+	 * @dataProvider realpath_resolve_absolute_without_symlinks_data
+	 */
+	public function test_realpath_absolute_without_links($path, $expected)
+	{
+		$this->assertEquals($expected, self::$filesystem_helper_phpbb_own_realpath->invoke(null, $path));
+	}
+
+	/**
+	 * @dataProvider realpath_resolve_relative_without_symlinks_data
+	 */
+	public function test_realpath_relative_without_links($path, $expected)
+	{
+		if (!function_exists('getcwd'))
+		{
+			$this->markTestSkipped('phpbb_own_realpath() cannot be tested with relative paths: getcwd is not available.');
+		}
+
+		$this->assertEquals($expected, self::$filesystem_helper_phpbb_own_realpath->invoke(null, $path));
+	}
+}