def test_close_duplicate(self):
cb = CrashDatabase(None, {'dbfile': ':memory:', 'crashes_base_url': self.crash_base_url})
crash_id = cb.upload(self.r)
self.assertIsNone(cb.duplicate_of(crash_id))
crash_id2 = cb.upload(self.r)
self.assertIsNone(cb.duplicate_of(crash_id2))
cb.close_duplicate(self.r, crash_id2, crash_id)
self.assertEqual(cb.duplicate_of(crash_id2), crash_id)
# Remove current duplicate thing
cb.close_duplicate(self.r, crash_id2, None)
self.assertIsNone(cb.duplicate_of(crash_id2))
