Add a regression test for issue #4631

Author: Pierre-Sassoulas

tests/functional/r/regression/regression_issue_4631.py

@@ -0,0 +1,25 @@
+# pylint: disable=import-error,missing-function-docstring,unused-variable
+
+"""
+Regression tests for StopIteration raised when using limit-inference-results=0
+"""
+
+import typing
+
+from ytmusicapi import YTMusic # [unused-import]
+
+
+def get_youtube_link(
+    song_name: str, song_artists: typing.List[str]
+) -> typing.Optional[str]:
+    # +1: [undefined-variable]
+    ytm_results = __query_ytmusic(song_name=song_name, song_artists=song_artists)
+    top_match_score = 0
+    top_result = None
+    if top_match_score <= 0.75:
+        if top_result is not None:
+            with open("possible errors.txt", "ab") as file:
+                file.write(
+                    f"{', '.join(song_artists)} - {song_name}\n {top_match_score:0.2f}pt "
+                    f"{top_result['link']}: {top_result['name']}\n".encode()
+                )

tests/functional/r/regression/regression_issue_4631.rc

@@ -0,0 +1,2 @@
+[testoptions]
+limit-inference-results=0

tests/functional/r/regression/regression_issue_4631.txt

@@ -0,0 +1,2 @@
+unused-import:9:0::Unused YTMusic imported from ytmusicapi:HIGH
+undefined-variable:16:18:get_youtube_link:Undefined variable '__query_ytmusic':HIGH