public function testGetExportFields()
{
$admin = new PostAdmin('sonata.post.admin.post', 'NewsBundle\\Entity\\Post', 'SonataNewsBundle:PostAdmin');
$modelManager = $this->getMock('Sonata\\AdminBundle\\Model\\ModelManagerInterface');
$modelManager->expects($this->once())->method('getExportFields')->with($this->equalTo('NewsBundle\\Entity\\Post'))->will($this->returnValue(array('foo', 'bar')));
$admin->setModelManager($modelManager);
$this->assertSame(array('foo', 'bar'), $admin->getExportFields());
}