def test___init__(self):
"""Test JSONFeedMetadata initialization."""
meta_temp_dir = tempfile.mkdtemp(dir=_TEMP_DATA_DIR)
# existing, update=False
feed_name = 'sample'
meta = JSONFeedMetadata(feed_name=feed_name, data_dir=meta_temp_dir)
# meta object created
self.assertIsInstance(meta, JSONFeedMetadata)
# ---
# non-existing, update=False
feed_name = 'modified'
meta = JSONFeedMetadata(feed_name=feed_name, data_dir=meta_temp_dir)
# meta object created
self.assertIsNotNone(meta)
# should not be ready
self.assertFalse(meta.is_downloaded())
self.assertFalse(meta.is_parsed())
self.assertFalse(meta.is_ready())
# ---
# non-existing, update=True
meta = JSONFeedMetadata(
feed_name=feed_name,
data_dir=meta_temp_dir,
)
_EVENT_LOOP.run_until_complete(meta.update())
# should be ready
self.assertTrue(meta.is_ready())
# file should exist
self.assertTrue(os.path.exists(meta.path))
# file content should not be empty
with open(meta.path, 'r') as f:
self.assertTrue(f.readline())
def test_update(self):
"""Test TestJSONFeedMetadata `update` method."""
feed_name = 'modified'
meta_temp_dir = tempfile.mkdtemp(dir=_TEMP_DATA_DIR)
meta = JSONFeedMetadata(feed_name=feed_name, data_dir=meta_temp_dir)
future = asyncio.ensure_future(meta.fetch())
metadata: JSONFeedMetadata = _EVENT_LOOP.run_until_complete(future)
data: str = metadata.data
self.assertIsInstance(data, str)
self.assertTrue(data)
# should not be ready
self.assertFalse(meta.is_ready())
_EVENT_LOOP.run_until_complete(meta.update())
# should be ready now
self.assertTrue(meta.is_ready())
# metadata present in the directory
self.assertTrue(meta.filename in os.listdir(meta_temp_dir))