BasePDOTestCase.php
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BasePDOTestCase.php
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	<?php

	namespace Keruald\Database\Tests\Engines;

	use Keruald\Database\Engines\PDOEngine;

	use Keruald\Database\Exceptions\SqlException;
	use PHPUnit\Framework\TestCase;

	abstract class BasePDOTestCase extends TestCase {

	protected PDOEngine $db;

	protected static abstract function buildEngine () : PDOEngine;

	protected function setUp (): void {
	$this->db = static::buildEngine();
	}

	public function testQueryScalar(): void {
	$sql = "SELECT 1+1";
	$this->assertEquals(2, $this->db->queryScalar($sql));
	}

	public function testQueryScalarWithoutQuery(): void {
	$this->assertEquals("", $this->db->queryScalar(""));
	}

	public function testQueryScalarWithWrongQuery(): void {
	$this->expectException(SqlException::class);

	$sql = "DELETE FROM nonexisting";
	$this->db->queryScalar($sql);
	}
	}