Log PermissionError, add unit test

src/uwtools/tests/utils/test_tasks.py

@@ -35,6 +35,15 @@ def test_tasks_directory(tmp_path):
     assert p.is_dir()
 
 
+def test_tasks_directory_fail(caplog, tmp_path):
+    os.chmod(tmp_path, 0o550)
+    p = tmp_path / "foo"
+    assert not iotaa.ready(tasks.directory(path=p))
+    assert not p.is_dir()
+    os.chmod(tmp_path, 0o750)
+    assert logged(caplog, "[Errno 13] Permission denied: '%s'" % p)
+
+
 def test_tasks_executable(tmp_path):
     p = tmp_path / "program"
     # Ensure that only our temp directory is on the path:

src/uwtools/utils/tasks.py

@@ -30,8 +30,8 @@ def directory(path: Path):
     yield None
     try:
         path.mkdir(parents=True, exist_ok=True)
-    except PermissionError:
-        pass
+    except PermissionError as e:
+        log.error(str(e))
 
 
 @external