[ticket/12963] Add unit tests

PHPBB3-12963

tests/mock/migrator.php

@@ -0,0 +1,55 @@
+<?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.
+*
+*/
+
+class phpbb_mock_migrator extends \phpbb\db\migrator
+{
+	public function __construct()
+	{
+	}
+
+	public function load_migration_state()
+	{
+	}
+
+	public function set_migrations($class_names)
+	{
+	}
+
+	public function update()
+	{
+	}
+
+	public function revert($migration)
+	{
+	}
+
+	public function unfulfillable($name)
+	{
+	}
+
+	public function finished()
+	{
+	}
+
+	public function migration_state($migration)
+	{
+	}
+
+	public function populate_migrations($migrations)
+	{
+	}
+
+	public function create_migrations_table()
+	{
+	}
+}