def test_hasLaterAddedKey(self):
"""
L{KnownHostsFile.hasHostKey} returns C{True} when a key for the given
hostname is present in the file, even if it is only added to the file
after the L{KnownHostsFile} instance is initialized.
"""
key = Key.fromString(sampleKey)
entry = PlainEntry(["brandnew.example.com"], key.sshType(), key, "")
hostsFile = self.loadSampleHostsFile()
with hostsFile._savePath.open("a") as hostsFileObj:
hostsFileObj.write(entry.toString() + "\n")
self.assertEqual(True, hostsFile.hasHostKey("brandnew.example.com",
key))
