def testCanReadAndWriteBasics(self):
path = TempDir() + "/ring"
ringfile = Ringfile.create(path, 1024)
ringfile.write("Hello, World!")
ringfile.close()
ringfile = Ringfile(path, MODE_APPEND)
ringfile.write("Goodbye, World!")
ringfile.close()
ringfile = Ringfile(path, MODE_READ)
self.assertEqual("Hello, World!", ringfile.read())
self.assertEqual("Goodbye, World!", ringfile.read())
self.assertEqual(None, ringfile.read())
