Isolate parsing formats into a separate method and test it

beetsplug/discogs.py

@@ -16,6 +16,8 @@
 python3-discogs-client library.
 """
 
+from __future__ import annotations
+
 import http.client
 import json
 import os
@@ -30,6 +32,7 @@
 from discogs_client import __version__ as dc_string
 from discogs_client.exceptions import DiscogsAPIError
 from requests.exceptions import ConnectionError
+from typing_extensions import TypedDict
 
 import beets
 import beets.ui
@@ -52,6 +55,12 @@
 )
 
 
+class ReleaseFormat(TypedDict):
+    name: str
+    qty: int
+    descriptions: list[str] | None
+
+
 class DiscogsPlugin(BeetsPlugin):
     def __init__(self):
         super().__init__()
@@ -363,6 +372,18 @@ def get_master_year(self, master_id):
             )
             return None
 
+    @staticmethod
+    def get_media_and_albumtype(
+        formats: list[ReleaseFormat] | None,
+    ) -> tuple[str | None, str | None]:
+        media = albumtype = None
+        if formats and (first_format := formats[0]):
+            if descriptions := first_format["descriptions"]:
+                albumtype = ", ".join(descriptions)
+            media = first_format["name"]
+
+        return media, albumtype
+
     def get_album_info(self, result):
         """Returns an AlbumInfo object for a discogs Release object."""
         # Explicitly reload the `Release` fields, as they might not be yet

test/plugins/test_discogs.py

@@ -12,9 +12,9 @@
 # The above copyright notice and this permission notice shall be
 # included in all copies or substantial portions of the Software.
 
-"""Tests for discogs plugin.
-"""
+"""Tests for discogs plugin."""
 
+import pytest
 
 from beets import config
 from beets.test._common import Bag
@@ -423,3 +423,20 @@ def test_append_style_to_genre_no_style(self):
         d = DiscogsPlugin().get_album_info(release)
         assert d.genre == "GENRE1, GENRE2"
         assert d.style is None
+
+
+@pytest.mark.parametrize(
+    "formats, expected_media, expected_albumtype",
+    [
+        (None, None, None),
+        (
+            [{"descriptions": ['7"', "Single", "45 RPM"], "name": "Vinyl", "qty": 1}],
+            "Vinyl",
+            '7", Single, 45 RPM',
+        ),
+    ],
+)
+def test_get_media_and_albumtype(formats, expected_media, expected_albumtype):
+    result = DiscogsPlugin.get_media_and_albumtype(formats)
+
+    assert result == (expected_media, expected_albumtype)