feat: added testing of video id parsing

tests/test_video_id.py

@@ -0,0 +1,33 @@
+import unittest
+
+from python_sponsorblock import _get_video_id, exceptions
+
+
+MAGIC_ID = "dQw4w9WgXcQ"
+
+
+class TestVideoIdParsing(unittest.TestCase):
+    def test_already_parsed_id(self):
+        self.assertEqual(_get_video_id(MAGIC_ID), MAGIC_ID)
+
+    def test_non_existing_id(self):
+        with self.assertRaises(exceptions.SponsorBlockIdNotFoundError):
+            _get_video_id("eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee")
+
+        self.assertEqual(_get_video_id("eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee", silent=True), None)
+
+    def test_youtu_dot_be(self):
+        self.assertEqual(_get_video_id("https://youtu.be/" + MAGIC_ID), MAGIC_ID)
+
+    def test_youtube_dot_com(self):
+        self.assertEqual(_get_video_id("https://www.youtube.com/watch?v=" + MAGIC_ID), MAGIC_ID)
+
+    def test_invidious(self):
+        self.assertEqual(_get_video_id("https://invidio.us/watch?v=" + MAGIC_ID), MAGIC_ID)
+    
+    def test_piped(self):
+        self.assertEqual(_get_video_id("https://piped.video/watch?v=" + MAGIC_ID), MAGIC_ID)
+
+
+if __name__ == "__main__":
+    unittest.main()