gh-97930: Merge with importlib_resources 5.9 (GH-97929)

* Merge with importlib_resources 5.9

* Update changelog

2 files changed, 13 insertions, 0 deletions

diff --git a/Lib/test/test_importlib/resources/test_reader.py b/Lib/test/test_importlib/resources/test_reader.py
index 9d20c97..4fd9e6b 100644
--- a/Lib/test/test_importlib/resources/test_reader.py
+++ b/Lib/test/test_importlib/resources/test_reader.py
@@ -75,6 +75,11 @@ class MultiplexedPathTest(unittest.TestCase):
             str(path.joinpath('imaginary'))[len(prefix) + 1 :],
             os.path.join('namespacedata01', 'imaginary'),
         )
+        self.assertEqual(path.joinpath(), path)
+
+    def test_join_path_compound(self):
+        path = MultiplexedPath(self.folder)
+        assert not path.joinpath('imaginary/foo.py').exists()
 
     def test_repr(self):
         self.assertEqual(
diff --git a/Lib/test/test_importlib/resources/test_resource.py b/Lib/test/test_importlib/resources/test_resource.py
index 1d6df0c..f7e3abb 100644
--- a/Lib/test/test_importlib/resources/test_resource.py
+++ b/Lib/test/test_importlib/resources/test_resource.py
@@ -111,6 +111,14 @@ class ResourceFromZipsTest01(util.ZipSetupBase, unittest.TestCase):
             {'__init__.py', 'binary.file'},
         )
 
+    def test_as_file_directory(self):
+        with resources.as_file(resources.files('ziptestdata')) as data:
+            assert data.name == 'ziptestdata'
+            assert data.is_dir()
+            assert data.joinpath('subdirectory').is_dir()
+            assert len(list(data.iterdir()))
+        assert not data.parent.exists()
+
 
 class ResourceFromZipsTest02(util.ZipSetupBase, unittest.TestCase):
     ZIP_MODULE = zipdata02  # type: ignore