test: skip tests that need symlink privileges

These called os.symlink unguarded, so on a Windows account without the
privilege they errored with WinError 1314 instead of being skipped.

Author: Cyrus580529

test/test_installation.py

@@ -6,10 +6,11 @@
 import os
 import subprocess
 
-from test.lib import TestBase, VirtualEnvironment, with_rw_directory
+from test.lib import TestBase, VirtualEnvironment, requires_symlinks, with_rw_directory
 
 
 class TestInstallation(TestBase):
+    @requires_symlinks
     @with_rw_directory
     def test_installation(self, rw_dir):
         venv, run = self._set_up_venv(rw_dir)

test/test_repo.py

@@ -43,7 +43,7 @@
 from git.repo.fun import touch
 from git.util import bin_to_hex, cwd, cygpath, join_path_native, rmfile, rmtree
 
-from test.lib import TestBase, fixture, with_rw_directory, with_rw_repo, PathLikeMock
+from test.lib import TestBase, fixture, requires_symlinks, with_rw_directory, with_rw_repo, PathLikeMock
 
 
 def iter_flatten(lol):
@@ -1433,6 +1433,7 @@ def test_ignored_items_reported(self):
                 ["included_file.txt", "ignored_file.txt", "included_dir/file.txt", "ignored_dir/file.txt"]
             ) == ["ignored_file.txt", "ignored_dir/file.txt"]
 
+    @requires_symlinks
     def test_ignored_raises_error_w_symlink(self):
         with tempfile.TemporaryDirectory() as tdir:
             tmp_dir = pathlib.Path(tdir)

test/test_util.py

@@ -40,7 +40,7 @@
     rmtree,
 )
 
-from test.lib import TestBase, with_rw_repo
+from test.lib import TestBase, requires_symlinks, with_rw_repo
 
 
 @pytest.fixture
@@ -113,6 +113,7 @@ def test_deletes_dir_with_readonly_files(self, tmp_path):
         sys.platform == "cygwin",
         reason="Cygwin can't set the permissions that make the test meaningful.",
     )
+    @requires_symlinks
     def test_avoids_changing_permissions_outside_tree(self, tmp_path, request):
         # Automatically works on Windows, but on Unix requires either special handling
         # or refraining from attempting to fix PermissionError by making chmod calls.