Jackalope\Transport\DoctrineDBAL\Client::setUuidGenerator PHP Method

    public function setUuidGenerator(\Closure $generator)
    {
        $this->uuidGenerator = $generator;
    }

 public function testUuid()
 {
     $class = new \ReflectionClass('Jackalope\\Transport\\DoctrineDBAL\\Client');
     $method = $class->getMethod('generateUuid');
     $method->setAccessible(true);
     $this->assertInternalType('string', $method->invoke($this->transport));
     $this->transport->setUuidGenerator(function () {
         return 'like-a-uuid';
     });
     $this->assertEquals('like-a-uuid', $method->invoke($this->transport));
 }