<?php namespace Faker\Test\Provider\kk_KZ; use Faker\Generator; use Faker\Provider\DateTime; use Faker\Provider\kk_KZ\Person; use PHPUnit\Framework\TestCase; class PersonTest extends TestCase { /** * {@inheritdoc} */ public function setUp() { $this->faker = new Generator(); $this->faker->addProvider(new Person($this->faker)); } public function testIndividualIdentificationNumberIsValid() { $birthDate = DateTime::dateTimeBetween('-30 years', '-10 years'); $individualIdentificationNumber = $this->faker->individualIdentificationNumber($birthDate); $controlDigit = Person::checkSum($individualIdentificationNumber); $this->assertSame($controlDigit, (int)substr($individualIdentificationNumber, 11, 1)); } }