test for \ in tmp path (ClearcodeHQ#982)

tests/test_postgresql.py

@@ -1,8 +1,11 @@
 """All tests for pytest-postgresql."""
 
 import decimal
+import unittest.mock as mock
+from pathlib import Path
 
 import pytest
+from pytest import TempPathFactory
 from psycopg import Connection
 from psycopg.pq import ConnStatus
 
@@ -19,6 +22,17 @@ def test_postgresql_proc(postgresql_proc: PostgreSQLExecutor) -> None:
     assert postgresql_proc.running() is True
 
 
+@pytest.mark.xfail(reason="issue tracked by #982")
+def test_postgresql_proc__bad_tmp(postgresql_proc: PostgreSQLExecutor) -> None:
+    """Test different postgresql versions."""
+
+    def bad_path(tmp_path_factory: TempPathFactory, subdir: str) -> Path:
+        return tmp_path_factory.mktemp(rf"bad\path/{subdir}")
+
+    with mock.patch("pytest_postgresql.factories.process._tmp_dir", side_effect=bad_path):
+        assert postgresql_proc.running() is True
+
+
 def test_main_postgres(postgresql: Connection) -> None:
     """Check main postgresql fixture."""
     cur = postgresql.cursor()