Implement subscription from RSS feed

tests/test_youtube_manager.py

@@ -0,0 +1,19 @@
+import logging
+from pathlib import Path
+
+from breadtube_bot.youtube_manager import YoutubeManager
+from breadtube_bot.youtube_subscription import ChannelInfo
+
+
+def test_rss_parsing():
+    logger = logging.getLogger('breadtube-bot-test')
+    manager = YoutubeManager(logger=logger)
+    channel_info, videos = manager._parse_rss_data(Path('tests/data/rss_feed_sample.xml').read_text(encoding='utf-8'))
+    assert channel_info == ChannelInfo(
+        channel_id='UCFemKOoYVrTGUhuVzuNPt4A', title='Actu Réfractaire',
+        url='https://www.youtube.com/channel/UCFemKOoYVrTGUhuVzuNPt4A')
+    assert len(videos) == 15
+    video_ids = {'RZfVeU_iK0I', 'sLTFoRQHq3o', 'BcJ-ATQOQps', 'bOF1Pbtdg7U', '8yai5Maa1Wc', 'j1wU7JSUhe0',
+                 'agAf1SdyK_Y', 'a4Kj_vUULfI', 'Sl2ukhsD7w0', 'wGSpwg0MC98', 'JNWkTB-7Zyk', '2I9rY7zSLPs',
+                 'yR98Ur1BUJ8', 'HHBZ75L_vvY', 'tmBt6RCr6gQ'}
+    assert {video.video_id for video in videos} == video_ids