make error classes pickleable, and add appropriate tests

1 files changed, 26 insertions, 0 deletions

diff --git a/fs/tests/test_errors.py b/fs/tests/test_errors.py
new file mode 100644
index 0000000..2b2fa64
--- /dev/null
+++ b/fs/tests/test_errors.py
@@ -0,0 +1,26 @@
+"""
+
+  fs.tests.test_errors:  testcases for the fs error classes functions
+
+"""
+
+
+import unittest
+import fs.tests
+from fs.errors import *
+import pickle
+
+from fs.path import *
+
+class TestErrorPickling(unittest.TestCase):
+
+    def test_pickling(self):
+        def assert_dump_load(e):
+            e2 = pickle.loads(pickle.dumps(e))
+            self.assertEqual(e.__dict__,e2.__dict__)
+        assert_dump_load(FSError())
+        assert_dump_load(PathError("/some/path"))
+        assert_dump_load(ResourceNotFoundError("/some/other/path"))
+        assert_dump_load(UnsupportedError("makepony"))
+
+