Add repair job to delete calendar subscriptions that were orphaned when

deleteding an user

Follow-up to https://github.com/nextcloud/server/pull/28419

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

1 files changed, 169 insertions, 0 deletions

diff --git a/apps/dav/tests/unit/Migration/RemoveDeletedUsersCalendarSubscriptionsTest.php b/apps/dav/tests/unit/Migration/RemoveDeletedUsersCalendarSubscriptionsTest.php
new file mode 100644
index 00000000000..c0d6518d205
--- /dev/null
+++ b/apps/dav/tests/unit/Migration/RemoveDeletedUsersCalendarSubscriptionsTest.php
@@ -0,0 +1,169 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @author Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Tests\unit\DAV\Migration;
+
+use OCA\DAV\Migration\RemoveDeletedUsersCalendarSubscriptions;
+use OCP\DB\IResult;
+use OCP\DB\QueryBuilder\IExpressionBuilder;
+use OCP\DB\QueryBuilder\IFunctionBuilder;
+use OCP\DB\QueryBuilder\IParameter;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryFunction;
+use OCP\IDBConnection;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use PHPUnit\Framework\MockObject\MockObject;
+use Test\TestCase;
+
+class RemoveDeletedUsersCalendarSubscriptionsTest extends TestCase {
+	/**
+	 * @var IDBConnection|MockObject
+	 */
+	private $dbConnection;
+	/**
+	 * @var IUserManager|MockObject
+	 */
+	private $userManager;
+
+	/**
+	 * @var IOutput|MockObject
+	 */
+	private $output;
+	/**
+	 * @var RemoveDeletedUsersCalendarSubscriptions
+	 */
+	private $migration;
+
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->dbConnection = $this->createMock(IDBConnection::class);
+		$this->userManager = $this->createMock(IUserManager::class);
+		$this->output = $this->createMock(IOutput::class);
+
+		$this->migration = new RemoveDeletedUsersCalendarSubscriptions($this->dbConnection, $this->userManager);
+	}
+
+	public function testGetName(): void {
+		$this->assertEquals(
+			'Clean up old calendar subscriptions from deleted users that were not cleaned-up',
+			$this->migration->getName()
+		);
+	}
+
+	/**
+	 * @dataProvider dataTestRun
+	 * @param array $subscriptions
+	 * @param array $userExists
+	 * @param int $deletions
+	 * @throws \Exception
+	 */
+	public function testRun(array $subscriptions, array $userExists, int $deletions): void {
+		$qb = $this->createMock(IQueryBuilder::class);
+
+		$qb->method('select')->willReturn($qb);
+
+		$functionBuilder = $this->createMock(IFunctionBuilder::class);
+
+		$qb->method('func')->willReturn($functionBuilder);
+		$functionBuilder->method('count')->willReturn($this->createMock(IQueryFunction::class));
+
+		$qb->method('selectDistinct')
+			->with(['id', 'principaluri'])
+			->willReturn($qb);
+
+		$qb->method('from')
+			->with('calendarsubscriptions')
+			->willReturn($qb);
+
+		$qb->method('setMaxResults')
+			->willReturn($qb);
+
+		$qb->method('setFirstResult')
+			->willReturn($qb);
+
+		$result = $this->createMock(IResult::class);
+
+		$qb->method('execute')
+			->willReturn($result);
+
+		$result->expects($this->at(0))
+			->method('fetchOne')
+			->willReturn(count($subscriptions));
+
+		$result
+			->method('fetch')
+			->willReturnOnConsecutiveCalls(...$subscriptions);
+
+		$qb->method('delete')
+			->with('calendarsubscriptions')
+			->willReturn($qb);
+
+		$expr = $this->createMock(IExpressionBuilder::class);
+
+		$qb->method('expr')->willReturn($expr);
+		$qb->method('createNamedParameter')->willReturn($this->createMock(IParameter::class));
+		$qb->method('where')->willReturn($qb);
+		// Only when user exists
+		$qb->expects($this->exactly($deletions))->method('executeStatement');
+
+		$this->dbConnection->method('getQueryBuilder')->willReturn($qb);
+
+
+		$this->output->expects($this->once())->method('startProgress');
+
+		$this->output->expects($subscriptions === [] ? $this->never(): $this->once())->method('advance');
+		if (count($subscriptions)) {
+			$this->userManager->method('userExists')
+				->willReturnCallback(function (string $username) use ($userExists) {
+					return $userExists[$username];
+				});
+		}
+		$this->output->expects($this->once())->method('finishProgress');
+		$this->output->expects($this->once())->method('info')->with(sprintf('%d calendar subscriptions without an user have been cleaned up', $deletions));
+
+		$this->migration->run($this->output);
+	}
+
+	public function dataTestRun(): array {
+		return [
+			[[], [], 0],
+			[[[
+				'id' => 1,
+				'principaluri' => 'users/principals/foo1',
+			],
+				[
+					'id' => 2,
+					'principaluri' => 'users/principals/bar1',
+				],
+				[
+					'id' => 3,
+					'principaluri' => 'users/principals/bar1',
+				]], ['foo1' => true, 'bar1' => false], 2]
+		];
+	}
+}