def test_getExtraInfoDigests(self):
sha1hash = hashlib.sha1()
test = "Many words and line all together\n"
test += "extra info is nothing like weather\n"
test += "it's certain to come, like the key in a hum\n"
test += "but sometimes without a transport and rum\n"
content = test
sha1hash.update(test)
digest = sha1hash.hexdigest()
test += "-----BEGIN SIGNATURE-----\n"
test += "But the rum can't save the world like you\n"
test += "-----END SIGNATURE-----\n"
digests = Bridges.getExtraInfoDigests(StringIO(test))
self.failUnlessIn(digest, digests)
self.failUnlessEqual(content, digests[digest].read())
