gh-119064: Use os_helper.FakePath instead of pathlib.Path in tests (p…

…ython/cpython#119065)

Closes #116.

pyproject.toml

@@ -40,6 +40,7 @@ testing = [
 	"more_itertools",
 	"big-O",
 	"pytest-ignore-flaky",
+	"jaraco.test",
 ]
 docs = [
 	# upstream

tests/compat/py39.py

@@ -0,0 +1,10 @@
+import sys
+
+from jaraco.test.cpython import from_test_support, try_import
+
+
+os_helper = try_import('os_helper') or from_test_support(
+    'FakePath',
+)
+
+sys.modules[__name__ + '.os_helper'] = os_helper

tests/test_path.py

@@ -9,6 +9,8 @@
 import unittest
 import zipfile
 
+from .compat.py39.os_helper import FakePath
+
 import jaraco.itertools
 from jaraco.functools import compose
 
@@ -269,13 +271,13 @@ def test_pathlike_construction(self, alpharep):
         zipp.Path should be constructable from a path-like object
         """
         zipfile_ondisk = self.zipfile_ondisk(alpharep)
-        pathlike = pathlib.Path(str(zipfile_ondisk))
+        pathlike = FakePath(str(zipfile_ondisk))
         zipp.Path(pathlike)
 
     @pass_alpharep
     def test_traverse_pathlike(self, alpharep):
         root = zipp.Path(alpharep)
-        root / pathlib.Path("a")
+        root / FakePath("a")
 
     @pass_alpharep
     def test_parent(self, alpharep):
@@ -544,12 +546,12 @@ def test_inheritance(self, alpharep):
         ['alpharep', 'path_type', 'subpath'],
         itertools.product(
             alpharep_generators,
-            [str, pathlib.Path],
+            [str, FakePath],
             ['', 'b/'],
         ),
     )
     def test_pickle(self, alpharep, path_type, subpath):
-        zipfile_ondisk = path_type(self.zipfile_ondisk(alpharep))
+        zipfile_ondisk = path_type(str(self.zipfile_ondisk(alpharep)))
 
         saved_1 = pickle.dumps(zipp.Path(zipfile_ondisk, at=subpath))
         restored_1 = pickle.loads(saved_1)