1 files changed, 44 insertions, 0 deletions
diff --git a/apps/testing/lib/HiddenGroupBackend.php b/apps/testing/lib/HiddenGroupBackend.php
new file mode 100644
index 00000000000..96ead46c06e
--- /dev/null
+++ b/apps/testing/lib/HiddenGroupBackend.php
@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Testing;
+
+use OCP\Group\Backend\ABackend;
+use OCP\Group\Backend\IHideFromCollaborationBackend;
+
+class HiddenGroupBackend extends ABackend implements IHideFromCollaborationBackend {
+	public function __construct(
+		private string $groupName = 'hidden_group',
+	) {
+	}
+
+	public function inGroup($uid, $gid): bool {
+		return false;
+	}
+
+	public function getUserGroups($uid): array {
+		return [];
+	}
+
+	public function getGroups($search = '', $limit = -1, $offset = 0): array {
+		return $offset === 0 ? [$this->groupName] : [];
+	}
+
+	public function groupExists($gid): bool {
+		return $gid === $this->groupName;
+	}
+
+	public function usersInGroup($gid, $search = '', $limit = -1, $offset = 0): array {
+		return [];
+	}
+
+	public function hideGroup(string $groupId): bool {
+		return true;
+	}
+}