1 files changed, 128 insertions, 0 deletions
diff --git a/tests/lib/DB/QueryBuilder/Sharded/SharedQueryBuilderTest.php b/tests/lib/DB/QueryBuilder/Sharded/SharedQueryBuilderTest.php
new file mode 100644
index 00000000000..d0f232cb03f
--- /dev/null
+++ b/tests/lib/DB/QueryBuilder/Sharded/SharedQueryBuilderTest.php
@@ -0,0 +1,128 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2024 Robin Appelman <robin@icewind.nl>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace Test\DB\QueryBuilder\Sharded;
+
+use OC\DB\QueryBuilder\Sharded\AutoIncrementHandler;
+use OC\DB\QueryBuilder\Sharded\InvalidShardedQueryException;
+use OC\DB\QueryBuilder\Sharded\RoundRobinShardMapper;
+use OC\DB\QueryBuilder\Sharded\ShardConnectionManager;
+use OC\DB\QueryBuilder\Sharded\ShardDefinition;
+use OC\DB\QueryBuilder\Sharded\ShardedQueryBuilder;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\Server;
+use Test\TestCase;
+
+/**
+ * @group DB
+ */
+class SharedQueryBuilderTest extends TestCase {
+	private IDBConnection $connection;
+	private AutoIncrementHandler $autoIncrementHandler;
+
+	protected function setUp(): void {
+		if (PHP_INT_SIZE < 8) {
+			$this->markTestSkipped('Test requires 64bit');
+		}
+		$this->connection = Server::get(IDBConnection::class);
+		$this->autoIncrementHandler = Server::get(AutoIncrementHandler::class);
+	}
+
+
+	private function getQueryBuilder(string $table, string $shardColumn, string $primaryColumn, array $companionTables = []): ShardedQueryBuilder {
+		return new ShardedQueryBuilder(
+			$this->connection->getQueryBuilder(),
+			[
+				new ShardDefinition($table, $primaryColumn, [], $shardColumn, new RoundRobinShardMapper(), $companionTables, [], 0, 0),
+			],
+			$this->createMock(ShardConnectionManager::class),
+			$this->autoIncrementHandler,
+		);
+	}
+
+	public function testGetShardKeySingleParam(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('fileid', 'path')
+			->from('filecache')
+			->where($query->expr()->eq('storage', $query->createNamedParameter(10, IQueryBuilder::PARAM_INT)));
+
+		$this->assertEquals([], $query->getPrimaryKeys());
+		$this->assertEquals([10], $query->getShardKeys());
+	}
+
+	public function testGetPrimaryKeyParam(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('fileid', 'path')
+			->from('filecache')
+			->where($query->expr()->in('fileid', $query->createNamedParameter([10, 11], IQueryBuilder::PARAM_INT)));
+
+		$this->assertEquals([10, 11], $query->getPrimaryKeys());
+		$this->assertEquals([], $query->getShardKeys());
+	}
+
+	public function testValidateWithShardKey(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('fileid', 'path')
+			->from('filecache')
+			->where($query->expr()->eq('storage', $query->createNamedParameter(10)));
+
+		$query->validate();
+		$this->assertTrue(true);
+	}
+
+	public function testValidateWithPrimaryKey(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('fileid', 'path')
+			->from('filecache')
+			->where($query->expr()->in('fileid', $query->createNamedParameter([10, 11], IQueryBuilder::PARAM_INT)));
+
+		$query->validate();
+		$this->assertTrue(true);
+	}
+
+	public function testValidateWithNoKey(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('fileid', 'path')
+			->from('filecache')
+			->where($query->expr()->lt('size', $query->createNamedParameter(0)));
+
+		$this->expectException(InvalidShardedQueryException::class);
+		$query->validate();
+		$this->fail('exception expected');
+	}
+
+	public function testValidateNonSharedTable(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('configvalue')
+			->from('appconfig')
+			->where($query->expr()->eq('configkey', $query->createNamedParameter('test')));
+
+		$query->validate();
+		$this->assertTrue(true);
+	}
+
+	public function testGetShardKeyMultipleSingleParam(): void {
+		$query = $this->getQueryBuilder('filecache', 'storage', 'fileid');
+		$query->select('fileid', 'path')
+			->from('filecache')
+			->where($query->expr()->andX(
+				$query->expr()->gt('mtime', $query->createNamedParameter(0), IQueryBuilder::PARAM_INT),
+				$query->expr()->orX(
+					$query->expr()->eq('storage', $query->createNamedParameter(10, IQueryBuilder::PARAM_INT)),
+					$query->expr()->andX(
+						$query->expr()->eq('storage', $query->createNamedParameter(11, IQueryBuilder::PARAM_INT)),
+						$query->expr()->like('path', $query->createNamedParameter('foo/%'))
+					)
+				)
+			));
+
+		$this->assertEquals([], $query->getPrimaryKeys());
+		$this->assertEquals([10, 11], $query->getShardKeys());
+	}
+}