public function testSchemaWithoutClosuresSerializable()
{
$schema = new TestEmptySchema();
$schema->getQueryType()->addField('randomInt', ['type' => new NonNullType(new IntType()), 'resolve' => 'rand']);
$serialized = serialize($schema);
/** @var Schema $unserialized */
$unserialized = unserialize($serialized);
$this->assertTrue($unserialized->getQueryType()->hasFields());
$this->assertFalse($unserialized->getMutationType()->hasFields());
$this->assertEquals(1, count($unserialized->getQueryType()->getFields()));
}
