Define a shared fixture for config

test/autotag/test_distance.py

@@ -12,15 +12,13 @@ from beets.autotag.distance import (
 from beets.library import Item
 from beets.metadata_plugins import MetadataSourcePlugin, get_penalty
 from beets.plugins import BeetsPlugin
-from beets.test.helper import ConfigMixin
 
 _p = pytest.param
 
 
 class TestDistance:
     @pytest.fixture(autouse=True, scope="class")
-    def setup_config(self):
-        config = ConfigMixin().config
+    def setup_config(self, config):
         config["match"]["distance_weights"]["data_source"] = 2.0
         config["match"]["distance_weights"]["album"] = 4.0
         config["match"]["distance_weights"]["medium"] = 2.0

test/conftest.py

@@ -5,6 +5,7 @@ import pytest
 
 from beets.autotag.distance import Distance
 from beets.dbcore.query import Query
+from beets.test.helper import ConfigMixin
 from beets.util import cached_classproperty
 
 
@@ -53,3 +54,9 @@ def pytest_assertrepr_compare(op, left, right):
 @pytest.fixture(autouse=True)
 def clear_cached_classproperty():
     cached_classproperty.cache.clear()
+
+
+@pytest.fixture(scope="module")
+def config():
+    """Provide a fresh beets configuration for a module, when requested."""
+    return ConfigMixin().config

test/plugins/test_mbpseudo.py

@@ -8,7 +8,7 @@ from beets.autotag import AlbumMatch
 from beets.autotag.distance import Distance
 from beets.autotag.hooks import AlbumInfo, TrackInfo
 from beets.library import Item
-from beets.test.helper import ConfigMixin, PluginMixin
+from beets.test.helper import PluginMixin
 from beetsplug._typing import JSONDict
 from beetsplug.mbpseudo import (
     _STATUS_PSEUDO,
@@ -52,14 +52,7 @@ def pseudo_release_info() -> AlbumInfo:
     )
 
 
-@pytest.fixture(scope="module", autouse=True)
-def config():
-    config = ConfigMixin().config
-    with pytest.MonkeyPatch.context() as m:
-        m.setattr("beetsplug.mbpseudo.config", config)
-        yield config
-
-
+@pytest.mark.usefixtures("config")
 class TestPseudoAlbumInfo:
     def test_album_id_always_from_pseudo(
         self, official_release_info: AlbumInfo, pseudo_release_info: AlbumInfo

test/test_autotag.py

@@ -19,18 +19,18 @@ import pytest
 from beets import autotag, config
 from beets.autotag import AlbumInfo, TrackInfo, correct_list_fields, match
 from beets.library import Item
-from beets.test.helper import BeetsTestCase, ConfigMixin
+from beets.test.helper import BeetsTestCase
 
 
-class TestAssignment(ConfigMixin):
+class TestAssignment:
     A = "one"
     B = "two"
     C = "three"
 
     @pytest.fixture(autouse=True)
-    def _setup_config(self):
-        self.config["match"]["track_length_grace"] = 10
-        self.config["match"]["track_length_max"] = 30
+    def config(self, config):
+        config["match"]["track_length_grace"] = 10
+        config["match"]["track_length_max"] = 30
 
     @pytest.mark.parametrize(
         # 'expected' is a tuple of expected (mapping, extra_items, extra_tracks)

test/ui/test_field_diff.py

@@ -1,17 +1,12 @@
 import pytest
 
 from beets.library import Item
-from beets.test.helper import ConfigMixin
 from beets.ui import _field_diff
 
 p = pytest.param
 
 
 class TestFieldDiff:
-    @pytest.fixture(scope="class", autouse=True)
-    def config(self):
-        return ConfigMixin().config
-
     @pytest.fixture(autouse=True)
     def configure_color(self, config, color):
         config["ui"]["color"] = color