class CsvUpload(models.Model):
    csv_file = models.FileField(upload_to=data_location,
                                storage=DATA_STORE,
                                help_text='Allowed extensions: .csv')
    return_email = models.EmailField()
    upload_time = models.DateTimeField(blank=True, null=True)

def test_valid_file_placement(self):
    new_upload = MODELS.CsvUpload(csv_file=self.valid_test_file,
                                  return_email=self.valid_email)
    new_upload.full_clean()

    try:
        new_upload.csv_file.save('valid-test.csv', new_upload.csv_file)
    except SuspiciousOperation:
        pass

    # File ought to be in the right place now
    try:
        open(os.path.join(MODELS.ROOT_DATA_LOCATION, self.gen_user, 'valid-test.csv'))
    except:
        self.fail('File was not placed in the appropriate location after being saved.')