def testUrlUpdate(self):
p = Package("name", "regex", "url", Repository())
p._upstream_versions = [0, 1]
p._latest_upstream = 1
p._rpm_diff = 1
p.url = "new url"
self.assertEqual(p.url, "new url")
self.assertEqual(p._upstream_versions, None)
self.assertEqual(p._latest_upstream, None)
self.assertEqual(p._rpm_diff, None)
