BlackholeEngineTest.php
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BlackholeEngineTest.php
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	<?php

	namespace Keruald\Database\Tests\Engines;

	use Keruald\Database\Database;
	use Keruald\Database\Engines\BlackholeEngine;

	use PHPUnit\Framework\Attributes\DataProvider;
	use PHPUnit\Framework\TestCase;

	class BlackholeEngineTest extends TestCase {

	private BlackholeEngine $db;

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

	public function testGetUnderlyingDriver () {
	$this->assertNull($this->db->getUnderlyingDriver());
	}

	public function testQuery () {
	$this->assertTrue($this->db->query(""));
	}

	public function testNextId () {
	$this->assertEquals(0, $this->db->nextId());
	}

	public function testIsExistingTable () {
	$this->assertTrue($this->db->isExistingTable("quux", "quuxians"));
	}

	public static function provideStringsToEscape () : iterable {
	yield ["Lorem ipsum"];
	yield [""];
	yield ["\\\\ \n"];
	}

	#[DataProvider('provideStringsToEscape')]
	public function testEscape ($string) {
	$this->assertEquals($string, $this->db->escape($string));
	}

	public function testLoad () {
	$config = [
	'engine' => BlackholeEngine::class,
	];
	$engine = Database::load($config);

	$this->assertInstanceOf(BlackholeEngine::class, $engine);
	}

	public function testCountAffectedRows () {
	$this->assertEquals(0, $this->db->nextId());
	}
	}