python · barneygale · Mar 10, 2025 · Mar 9, 2025
@@ -4,6 +4,7 @@

 import os.path
 import pathlib.types
+import posixpath


 class LexicalPath(pathlib.types._JoinablePath):
@@ -31,3 +32,8 @@ def __repr__(self):

    def with_segments(self, *pathsegments):
        return type(self)(*pathsegments)
+
+
+class LexicalPosixPath(LexicalPath):
+    __slots__ = ()
+    parser = posixpath
@@ -0,0 +1,49 @@
+"""
+Tests for Posix-flavoured pathlib.types._JoinablePath
+"""
+
+import os
+import unittest
+
+from pathlib import PurePosixPath, PosixPath
+from test.test_pathlib.support.lexical_path import LexicalPosixPath
+
+
+class JoinTestBase:
+    def test_join(self):
+        P = self.cls
+        p = P('//a')
+        pp = p.joinpath('b')
+        self.assertEqual(pp, P('//a/b'))
+        pp = P('/a').joinpath('//c')
+        self.assertEqual(pp, P('//c'))
+        pp = P('//a').joinpath('/c')
+        self.assertEqual(pp, P('/c'))
+
+    def test_div(self):
+        # Basically the same as joinpath().
+        P = self.cls
+        p = P('//a')
+        pp = p / 'b'
+        self.assertEqual(pp, P('//a/b'))
+        pp = P('/a') / '//c'
+        self.assertEqual(pp, P('//c'))
+        pp = P('//a') / '/c'
+        self.assertEqual(pp, P('/c'))
+
+
+class LexicalPosixPathJoinTest(JoinTestBase, unittest.TestCase):
+    cls = LexicalPosixPath
+
+
+class PurePosixPathJoinTest(JoinTestBase, unittest.TestCase):
+    cls = PurePosixPath
+
+
+if os.name != 'nt':
+    class PosixPathJoinTest(JoinTestBase, unittest.TestCase):
+        cls = PosixPath
+
+
+if __name__ == "__main__":
+    unittest.main()
@@ -108,17 +108,6 @@ def test_str_subclass_windows(self):
        self._check_str_subclass('\\\\some\\share\\a')
        self._check_str_subclass('\\\\some\\share\\a\\b.txt')

-    @needs_posix
-    def test_join_posix(self):
-        P = self.cls
-        p = P('//a')
-        pp = p.joinpath('b')
-        self.assertEqual(pp, P('//a/b'))
-        pp = P('/a').joinpath('//c')
-        self.assertEqual(pp, P('//c'))
-        pp = P('//a').joinpath('/c')
-        self.assertEqual(pp, P('/c'))
-
    @needs_windows
    def test_join_windows(self):
        P = self.cls
@@ -157,18 +146,6 @@ def test_join_windows(self):
        pp = P('//./BootPartition').joinpath('Windows')
        self.assertEqual(pp, P('//./BootPartition/Windows'))

-    @needs_posix
-    def test_div_posix(self):
-        # Basically the same as joinpath().
-        P = self.cls
-        p = P('//a')
-        pp = p / 'b'
-        self.assertEqual(pp, P('//a/b'))
-        pp = P('/a') / '//c'
-        self.assertEqual(pp, P('//c'))
-        pp = P('//a') / '/c'
-        self.assertEqual(pp, P('/c'))
-
    @needs_windows
    def test_div_windows(self):
        # Basically the same as joinpath().