RandomTest.php
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RandomTest.php
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	<?php
	declare(strict_types=1);

	namespace Keruald\OmniTools\Tests\Identifiers;

	use Keruald\OmniTools\Identifiers\Random;
	use Phpunit\Framework\TestCase;

	class RandomTest extends TestCase {

	///
	/// Tests
	///

	public function testGenerateHexadecimalHash () : void {
	$hash = Random::generateHexHash();

	$this->assertEquals(
	32, strlen($hash),
	"$hash size must be 32 characters"
	);

	$this->assertRegExp("/[0-9a-f]{32}/", $hash);
	}

	public function testHexadecimalHashesAreUnique() : void {
	$this->assertNotEquals(
	Random::generateHexHash(),
	Random::generateHexHash()
	);
	}

	/**
	* @dataProvider provideRandomStringFormats
	*/
	public function testRandomString($format, $re, $len) : void {
	$string = Random::generateString($format);

	$this->assertEquals($len, strlen($format));
	$this->assertRegExp($re, $string);
	}

	public function testGenerateIdentifier() : void {
	$identifier = Random::generateIdentifier(20);

	$this->assertEquals(27, strlen($identifier));
	$this->assertRegExp("/^[A-Z0-9\-_]*$/i", $identifier);
	}

	///
	/// Data providers
	///

	public function provideRandomStringFormats() : iterable {
	yield ["AAA111", "/^[A-Z]{3}[0-9]{3}$/", 6];
	yield ["AAA123", "/^[A-Z]{3}[0-9]{3}$/", 6];
	yield ["ABC123", "/^[A-Z]{3}[0-9]{3}$/", 6];
	yield ["", "/^$/", 0];
	}

	}