1 files changed, 100 insertions, 0 deletions
diff --git a/apps/dav/tests/unit/DAV/SystemPrincipalBackendTest.php b/apps/dav/tests/unit/DAV/SystemPrincipalBackendTest.php
new file mode 100644
index 00000000000..3df861accf2
--- /dev/null
+++ b/apps/dav/tests/unit/DAV/SystemPrincipalBackendTest.php
@@ -0,0 +1,100 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCA\DAV\Tests\unit\DAV;
+
+use OCA\DAV\DAV\SystemPrincipalBackend;
+use Sabre\DAV\Exception;
+use Test\TestCase;
+
+class SystemPrincipalBackendTest extends TestCase {
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providesPrefix')]
+	public function testGetPrincipalsByPrefix(array $expected, string $prefix): void {
+		$backend = new SystemPrincipalBackend();
+		$result = $backend->getPrincipalsByPrefix($prefix);
+		$this->assertEquals($expected, $result);
+	}
+
+	public static function providesPrefix(): array {
+		return [
+			[[], ''],
+			[[[
+				'uri' => 'principals/system/system',
+				'{DAV:}displayname' => 'system',
+			],
+				[
+					'uri' => 'principals/system/public',
+					'{DAV:}displayname' => 'public',
+				]
+			], 'principals/system'],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providesPath')]
+	public function testGetPrincipalByPath(?array $expected, string $path): void {
+		$backend = new SystemPrincipalBackend();
+		$result = $backend->getPrincipalByPath($path);
+		$this->assertEquals($expected, $result);
+	}
+
+	public static function providesPath(): array {
+		return [
+			[null, ''],
+			[null, 'principals'],
+			[null, 'principals/system'],
+			[[
+				'uri' => 'principals/system/system',
+				'{DAV:}displayname' => 'system',
+			], 'principals/system/system'],
+		];
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providesPrincipalForGetGroupMemberSet')]
+	public function testGetGroupMemberSetExceptional(?string $principal): void {
+		$this->expectException(Exception::class);
+		$this->expectExceptionMessage('Principal not found');
+
+		$backend = new SystemPrincipalBackend();
+		$backend->getGroupMemberSet($principal);
+	}
+
+	public static function providesPrincipalForGetGroupMemberSet(): array {
+		return [
+			[null],
+			['principals/system'],
+		];
+	}
+
+	public function testGetGroupMemberSet(): void {
+		$backend = new SystemPrincipalBackend();
+		$result = $backend->getGroupMemberSet('principals/system/system');
+		$this->assertEquals(['principals/system/system'], $result);
+	}
+
+	#[\PHPUnit\Framework\Attributes\DataProvider('providesPrincipalForGetGroupMembership')]
+	public function testGetGroupMembershipExceptional(string $principal): void {
+		$this->expectException(Exception::class);
+		$this->expectExceptionMessage('Principal not found');
+
+		$backend = new SystemPrincipalBackend();
+		$backend->getGroupMembership($principal);
+	}
+
+	public static function providesPrincipalForGetGroupMembership(): array {
+		return [
+			['principals/system/a'],
+		];
+	}
+
+	public function testGetGroupMembership(): void {
+		$backend = new SystemPrincipalBackend();
+		$result = $backend->getGroupMembership('principals/system/system');
+		$this->assertEquals([], $result);
+	}
+}