<?php

namespace Amp\Postgres\Test;

use Amp\Postgres\Link;
use Amp\Postgres\PqConnection;

/**
 * @requires extension pq
 */
class PqConnectionTest extends AbstractConnectionTest {
    /** @var resource PostgreSQL connection resource. */
    protected $handle;

    public function createLink(string $connectionString): Link {
        $this->handle = new \pq\Connection($connectionString);
        $this->handle->nonblocking = true;
        $this->handle->unbuffered = true;

        $this->handle->exec("DROP TABLE IF EXISTS test");

        $result = $this->handle->exec("CREATE TABLE test (domain VARCHAR(63), tld VARCHAR(63), PRIMARY KEY (domain, tld))");

        if (!$result) {
            $this->fail('Could not create test table.');
        }

        foreach ($this->getData() as $row) {
            $result = $this->handle->execParams("INSERT INTO test VALUES (\$1, \$2)", $row);

            if (!$result) {
                $this->fail('Could not insert test data.');
            }
        }

        return new PqConnection($this->handle);
    }

    public function tearDown() {
        $this->handle->exec("ROLLBACK");
        $this->handle->exec("DROP TABLE test");
    }
}