def test_download(self):
"""Test Feed `download` method."""
feed_name = 'modified'
json_dir = tempfile.mkdtemp(dir=_TEMP_DATA_DIR)
# feed does not exist yet
json_feed = JSONFeed(feed_name, data_dir=json_dir)
self.assertIsInstance(json_feed, JSONFeed)
# nothing has been downloaded yet
self.assertTrue(not os.listdir(json_dir))
# feed is not ready
self.assertFalse(json_feed.is_ready())
_EVENT_LOOP.run_until_complete(json_feed.download())
self.assertTrue(json_feed.filename in os.listdir(json_dir))
self.assertTrue(json_feed.is_downloaded())
# feed should not contain any data atm
self.assertIsNone(json_feed.data)
# load the data
_EVENT_LOOP.run_until_complete(json_feed.load())
# should be json dict
self.assertIsInstance(json_feed.data, dict)
def test_flush(self):
"""Test Feed `flush` method."""
feed_name = 'sample'
json_feed = JSONFeed(feed_name, data_dir=_TEST_DATA_DIR)
# load the data
_EVENT_LOOP.run_until_complete(json_feed.load())
# feed should contain data already
self.assertTrue(json_feed.data)
process = psutil.Process()
memory_usage = process.memory_info().rss
# flush the data
json_feed.flush()
self.assertIsNone(json_feed.data)
# sanity check -- lower memory usage
self.assertLessEqual(process.memory_info().rss, memory_usage)
def test_load(self):
"""Test Feed `load` methods."""
# test load existing
feed_name = 'sample'
json_feed = JSONFeed(feed_name, data_dir=_TEST_DATA_DIR)
_EVENT_LOOP.run_until_complete(json_feed.load())
self.assertIsInstance(json_feed, JSONFeed)
self.assertIsInstance(json_feed.data, dict)
# ---
# test download-load
json_dir = tempfile.mkdtemp(dir=_TEMP_DATA_DIR)
feed_name = 'modified'
json_feed = JSONFeed(feed_name, data_dir=json_dir)
_EVENT_LOOP.run_until_complete(json_feed.download(load=True))
self.assertIsInstance(json_feed, JSONFeed)
self.assertIsInstance(json_feed.data, dict)