Handle missing reflink dependency in tests

beets/test/_common.py

@@ -16,7 +16,6 @@
 
 import os
 import sys
-import tempfile
 import unittest
 from contextlib import contextmanager
 
@@ -66,13 +65,6 @@ _item_ident = 0
 HAVE_SYMLINK = sys.platform != "win32"
 HAVE_HARDLINK = sys.platform != "win32"
 
-try:
-    import reflink
-
-    HAVE_REFLINK = reflink.supported_at(tempfile.gettempdir())
-except ImportError:
-    HAVE_REFLINK = False
-
 
 def item(lib=None):
     global _item_ident

beets/test/helper.py

@@ -42,7 +42,7 @@ from enum import Enum
 from functools import cached_property
 from io import StringIO
 from pathlib import Path
-from tempfile import mkdtemp, mkstemp
+from tempfile import gettempdir, mkdtemp, mkstemp
 from typing import Any, ClassVar
 from unittest.mock import patch
 
@@ -147,6 +147,20 @@ def has_program(cmd, args=["--version"]):
         return True
 
 
+def check_reflink_support(path: str) -> bool:
+    try:
+        import reflink
+    except ImportError:
+        return False
+
+    return reflink.supported_at(path)
+
+
+NEEDS_REFLINK = unittest.skipUnless(
+    check_reflink_support(gettempdir()), "no reflink support for libdir"
+)
+
+
 class TestHelper(_common.Assertions):
     """Helper mixin for high-level cli and plugin tests.
 

test/test_files.py

@@ -12,8 +12,7 @@
 # The above copyright notice and this permission notice shall be
 # included in all copies or substantial portions of the Software.
 
-"""Test file manipulation functionality of Item.
-"""
+"""Test file manipulation functionality of Item."""
 
 import os
 import shutil
@@ -27,7 +26,7 @@ import beets.library
 from beets import util
 from beets.test import _common
 from beets.test._common import item, touch
-from beets.test.helper import BeetsTestCase
+from beets.test.helper import NEEDS_REFLINK, BeetsTestCase
 from beets.util import MoveOperation, bytestring_path, syspath
 
 
@@ -87,22 +86,22 @@ class MoveTest(BeetsTestCase):
         self.i.move(operation=MoveOperation.COPY)
         self.assertExists(self.path)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_reflink_arrives(self):
         self.i.move(operation=MoveOperation.REFLINK_AUTO)
         self.assertExists(self.dest)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_reflink_does_not_depart(self):
         self.i.move(operation=MoveOperation.REFLINK_AUTO)
         self.assertExists(self.path)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_force_reflink_arrives(self):
         self.i.move(operation=MoveOperation.REFLINK)
         self.assertExists(self.dest)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_force_reflink_does_not_depart(self):
         self.i.move(operation=MoveOperation.REFLINK)
         self.assertExists(self.path)
@@ -286,7 +285,7 @@ class AlbumFileTest(BeetsTestCase):
         self.assertExists(oldpath)
         self.assertExists(self.i.path)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_albuminfo_move_reflinks_file(self):
         oldpath = self.i.path
         self.ai.album = "newAlbumName"
@@ -571,7 +570,7 @@ class SafeMoveCopyTest(BeetsTestCase):
         self.assertExists(self.dest)
         self.assertExists(self.path)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_successful_reflink(self):
         util.reflink(self.path, self.dest)
         self.assertExists(self.dest)
@@ -585,7 +584,7 @@ class SafeMoveCopyTest(BeetsTestCase):
         with pytest.raises(util.FilesystemError):
             util.copy(self.path, self.otherpath)
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflink")
+    @NEEDS_REFLINK
     def test_unsuccessful_reflink(self):
         with pytest.raises(util.FilesystemError):
             util.reflink(self.path, self.otherpath)

test/test_importer.py

@@ -13,8 +13,8 @@
 # included in all copies or substantial portions of the Software.
 
 
-"""Tests for the general importer functionality.
-"""
+"""Tests for the general importer functionality."""
+
 import os
 import re
 import shutil
@@ -37,6 +37,7 @@ from beets.autotag import AlbumInfo, AlbumMatch, TrackInfo
 from beets.importer import albums_in_dir
 from beets.test import _common
 from beets.test.helper import (
+    NEEDS_REFLINK,
     AsIsImporterMixin,
     AutotagStub,
     BeetsTestCase,
@@ -209,7 +210,7 @@ class NonAutotaggedImportTest(AsIsImporterMixin, ImportTestCase):
                 s2[stat.ST_DEV],
             )
 
-    @unittest.skipUnless(_common.HAVE_REFLINK, "need reflinks")
+    @NEEDS_REFLINK
     def test_import_reflink_arrives(self):
         # Detecting reflinks is currently tricky due to various fs
         # implementations, we'll just check the file exists.
@@ -392,7 +393,7 @@ class ImportSingletonTest(ImportTestCase):
         assert len(self.lib.albums()) == 2
 
     def test_set_fields(self):
-        genre = "\U0001F3B7 Jazz"
+        genre = "\U0001f3b7 Jazz"
         collection = "To Listen"
 
         config["import"]["set_fields"] = {
@@ -579,7 +580,7 @@ class ImportTest(ImportTestCase):
             self.lib.items().get().data_source
 
     def test_set_fields(self):
-        genre = "\U0001F3B7 Jazz"
+        genre = "\U0001f3b7 Jazz"
         collection = "To Listen"
         comments = "managed by beets"