def test_jpeg_type_returns_path(self):
fetchart.urllib.urlretrieve = MockUrlRetrieve('somepath', 'image/jpeg')
artpath = fetchart.art_for_asin('xxxx')
self.assertEqual(artpath, 'somepath')
def test_invalid_type_returns_none(self):
fetchart.urllib.urlretrieve = MockUrlRetrieve('path', '')
artpath = fetchart.art_for_asin('xxxx')
self.assertEqual(artpath, None)
