Add a test for dropping the tables

tests/lib/repair/dropoldtables.php

+<?php
+/**
+ * Copyright (c) 2015 Joas Schilling <nickvergessen@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace Test\Repair;
+
+/**
+ * Tests for the dropping old tables
+ *
+ * @see \OC\Repair\DropOldTables
+ */
+class DropOldTables extends \Test\TestCase {
+	/** @var \OCP\IDBConnection */
+	protected $connection;
+
+	protected function setUp() {
+		parent::setUp();
+
+		$this->connection = \OC::$server->getDatabaseConnection();
+		$manager = new \OC\DB\MDB2SchemaManager($this->connection);
+		$manager->createDbFromStructure(__DIR__ . '/fixtures/dropoldtables.xml');
+	}
+
+	public function testRun() {
+		$this->assertFalse($this->connection->tableExists('sharing'), 'Asserting that the table oc_sharing does not exist before repairing');
+		$this->assertTrue($this->connection->tableExists('permissions'), 'Asserting that the table oc_permissions does exist before repairing');
+
+		$repair = new \OC\Repair\DropOldTables($this->connection);
+		$repair->run();
+
+		$this->assertFalse($this->connection->tableExists('sharing'), 'Asserting that the table oc_sharing does not exist after repairing');
+		$this->assertFalse($this->connection->tableExists('permissions'), 'Asserting that the table oc_permissions does not exist after repairing');
+	}
+}

tests/lib/repair/fixtures/dropoldtables.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<database>
+
+	<name>*dbname*</name>
+	<create>true</create>
+	<overwrite>false</overwrite>
+
+	<charset>utf8</charset>
+
+	<table>
+
+		<name>*dbprefix*permissions</name>
+
+		<declaration>
+			<field>
+				<name>textfield</name>
+				<type>text</type>
+				<default>foo</default>
+				<notnull>true</notnull>
+				<length>32</length>
+			</field>
+		</declaration>
+	</table>
+</database>