add test for copy(gevent.local.local instance). Patch by Galfy Pundee.

greentest/test__local.py

+import unittest
+from copy import copy
+# Comment the line below to see that the standard thread.local is working correct
+from gevent import monkey; monkey.patch_all()
+
+
+from threading import local
+class A(local):
+    __slots__ = ['initialized','obj']
+
+    path = ''
+    def __init__(self, obj):
+        if not  hasattr(self, 'initialized'):
+            self.obj = obj
+        self.path = ''
+
+class Obj(object):
+    pass
+
+class GeventLocalTestCase(unittest.TestCase):
+
+    def test_copy(self):
+        a = A(Obj())
+        a.path = '123'
+        a.obj.echo = 'test'
+        b = copy(a)
+        """
+        Copy makes a shallow copy. Meaning that the attribute path
+        has to be independent in the original and the copied object because the
+        value is a string, but the attribute obj should be just reference to
+        the instance of the class Obj
+        """
+        self.assertEqual(a.path, b.path, 'The values in the two objects must be equal')
+        self.assertEqual(a.obj, b.obj, 'The values must be equal')
+
+        b.path = '321'
+        self.assertNotEqual(a.path, b.path, 'The values in the two objects must be different')
+
+        a.obj.echo = "works"
+        self.assertEqual(a.obj, b.obj, 'The values must be equal')
+
+    def test_objects(self):
+        """
+        Test which failed in the eventlet?!
+        """
+        a = A({})
+        a.path = '123'
+        b = A({'one':2})
+        b.path = '123'
+        self.assertEqual(a.path, b.path, 'The values in the two objects must be equal')
+
+        b.path = '321'
+
+        self.assertNotEqual(a.path, b.path, 'The values in the two objects must be different')
+
+if __name__ == '__main__':
+    unittest.main()