Faker\Test\Provider\BaseTest::testOptionalAllowsChainingProviderCallRandomlyReturnNull PHP Метод

    public function testOptionalAllowsChainingProviderCallRandomlyReturnNull()
    {
        $faker = new \Faker\Generator();
        $faker->addProvider(new \Faker\Provider\Base($faker));
        $values = array();
        for ($i = 0; $i < 10; $i++) {
            $values[] = $faker->optional()->randomDigit;
        }
        $this->assertContains(null, $values);
        $values = array();
        for ($i = 0; $i < 10; $i++) {
            $values[] = $faker->optional(50)->randomDigit;
        }
        $this->assertContains(null, $values);
    }