eZ\Publish\Core\FieldType\Image\IO\Legacy::getFileInputStream PHP Method

    public function getFileInputStream(BinaryFile $binaryFile)
    {
        return $this->publishedIOService->getFileInputStream($binaryFile);
    }

 public function testGetFileInputStream()
 {
     $binaryFile = new BinaryFile();
     $this->publishedIoServiceMock->expects($this->once())->method('getFileInputStream')->with($binaryFile)->will($this->returnValue('resource'));
     $this->draftIoServiceMock->expects($this->never())->method('getFileInputStream');
     self::assertEquals('resource', $this->service->getFileInputStream($binaryFile));
 }