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PrimaryReadReplicaConnectionTest.php
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PrimaryReadReplicaConnectionTest.php
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<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Tests\Functional;
use Doctrine\DBAL\Connections\PrimaryReadReplicaConnection;
use Doctrine\DBAL\DriverManager;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Tests\FunctionalTestCase;
use Throwable;
use function array_change_key_case;
use function sprintf;
use const CASE_LOWER;
/**
* @psalm-import-type Params from \Doctrine\DBAL\DriverManager
*/
class PrimaryReadReplicaConnectionTest extends FunctionalTestCase
{
protected function setUp(): void
{
parent::setUp();
$platformName = $this->connection->getDatabasePlatform()->getName();
// This is a MySQL specific test, skip other vendors.
if ($platformName !== 'mysql') {
self::markTestSkipped(sprintf('Test does not work on %s.', $platformName));
}
try {
$table = new Table('primary_replica_table');
$table->addColumn('test_int', 'integer');
$table->setPrimaryKey(['test_int']);
$sm = $this->connection->createSchemaManager();
$sm->createTable($table);
} catch (Throwable $e) {
}
$this->connection->executeStatement('DELETE FROM primary_replica_table');
$this->connection->insert('primary_replica_table', ['test_int' => 1]);
}
private function createPrimaryReadReplicaConnection(bool $keepReplica = false): PrimaryReadReplicaConnection
{
$connection = DriverManager::getConnection($this->createPrimaryReadReplicaConnectionParams($keepReplica));
self::assertInstanceOf(PrimaryReadReplicaConnection::class, $connection);
return $connection;
}
/**
* @return array<string,mixed>
*
* @phpstan-return array<string,mixed>
* @psalm-return Params
*/
private function createPrimaryReadReplicaConnectionParams(bool $keepReplica = false): array
{
$params = $this->connection->getParams();
$params['primary'] = $params;
$params['replica'] = [$params, $params];
$params['keepReplica'] = $keepReplica;
$params['wrapperClass'] = PrimaryReadReplicaConnection::class;
return $params;
}
public function testInheritCharsetFromPrimary(): void
{
$charsets = [
'utf8mb4',
'latin1',
];
foreach ($charsets as $charset) {
$params = $this->createPrimaryReadReplicaConnectionParams();
$params['primary']['charset'] = $charset;
self::assertArrayHasKey('replica', $params);
foreach ($params['replica'] as $index => $replicaParams) {
if (! isset($replicaParams['charset'])) {
continue;
}
unset($params['replica'][$index]['charset']);
}
$conn = DriverManager::getConnection($params);
self::assertInstanceOf(PrimaryReadReplicaConnection::class, $conn);
$conn->ensureConnectedToReplica();
self::assertFalse($conn->isConnectedToPrimary());
$clientCharset = $conn->fetchOne('select @@character_set_client as c');
self::assertSame($charset, $clientCharset);
}
}
public function testPrimaryOnConnect(): void
{
$conn = $this->createPrimaryReadReplicaConnection();
self::assertFalse($conn->isConnectedToPrimary());
$conn->ensureConnectedToReplica();
self::assertFalse($conn->isConnectedToPrimary());
$conn->ensureConnectedToPrimary();
self::assertTrue($conn->isConnectedToPrimary());
}
public function testNoPrimaryrOnExecuteQuery(): void
{
$conn = $this->createPrimaryReadReplicaConnection();
$sql = 'SELECT count(*) as num FROM primary_replica_table';
$data = $conn->fetchAllAssociative($sql);
$data[0] = array_change_key_case($data[0], CASE_LOWER);
self::assertEquals(1, $data[0]['num']);
self::assertFalse($conn->isConnectedToPrimary());
}
public function testPrimaryOnWriteOperation(): void
{
$conn = $this->createPrimaryReadReplicaConnection();
$conn->insert('primary_replica_table', ['test_int' => 30]);
self::assertTrue($conn->isConnectedToPrimary());
$sql = 'SELECT count(*) as num FROM primary_replica_table';
$data = $conn->fetchAllAssociative($sql);
$data[0] = array_change_key_case($data[0], CASE_LOWER);
self::assertEquals(2, $data[0]['num']);
self::assertTrue($conn->isConnectedToPrimary());
}
public function testKeepReplicaBeginTransactionStaysOnPrimary(): void
{
$conn = $this->createPrimaryReadReplicaConnection($keepReplica = true);
$conn->ensureConnectedToReplica();
$conn->beginTransaction();
$conn->insert('primary_replica_table', ['test_int' => 30]);
$conn->commit();
self::assertTrue($conn->isConnectedToPrimary());
$conn->connect();
self::assertTrue($conn->isConnectedToPrimary());
$conn->ensureConnectedToReplica();
self::assertFalse($conn->isConnectedToPrimary());
}
public function testKeepReplicaInsertStaysOnPrimary(): void
{
$conn = $this->createPrimaryReadReplicaConnection($keepReplica = true);
$conn->ensureConnectedToReplica();
$conn->insert('primary_replica_table', ['test_int' => 30]);
self::assertTrue($conn->isConnectedToPrimary());
$conn->connect();
self::assertTrue($conn->isConnectedToPrimary());
$conn->ensureConnectedToReplica();
self::assertFalse($conn->isConnectedToPrimary());
}
public function testPrimaryReadReplicaConnectionCloseAndReconnect(): void
{
$conn = $this->createPrimaryReadReplicaConnection();
$conn->ensureConnectedToPrimary();
self::assertTrue($conn->isConnectedToPrimary());
$conn->close();
self::assertFalse($conn->isConnectedToPrimary());
$conn->ensureConnectedToPrimary();
self::assertTrue($conn->isConnectedToPrimary());
}
}