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up vote 1 down vote favorite

Say I have the following class:

class Document
{
  private file;

  public function setFile(UploadedFile $file)
  {
    $this->file = $file;
  }

  public function getExt()
  {
    return $this->file->guessExtension();
  }
}

I'd like to test the getExt() method. I tried to set up the test as follows:

$file = $this->getMock('UploadedFile');

$file->expects($this->at(0))
  ->method('guessExtension')
  ->will($this->returnValue('png'));

$doc = new Document();
$doc->setFile($file);
...

However, it is giving me error saying that setFile() is expecting an instance of UploadedFile and the mock object is found instead. Can anyone shed some light on how to test this kind of scenario? I am a beginner when it comes to testing with mocks and stubs.

Thanks!

share|improve this question
    
That should not have been an issue, the generated mock class extends the original class. Are you using namespaces by chance? – fschmengler May 19 '13 at 12:53
up vote -1 down vote accepted

Thanks to fab's comment. I made the following change and got it working,

$file = $this->getMockBuilder('Symfony\Component\HttpFoundation\File\UploadedFile')
        ->disableOriginalConstructor()
        ->getMock();
share|improve this answer
up vote -1 down vote

As of PHP 5.5.16 Chieh solution can't be used anymore. See reference.

A possibile solution is creating a temporary dummy file in /tmp with setUp()/tearDown() and pass it tot he constructor. Then we mocked the required methods to return what needed.

Note: UploadedFile will require you to pass two parameters

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