def test_select(self):
"""
verify that select() on a channel works.
"""
self.setup_test_server()
chan = self.tc.open_session()
chan.invoke_shell()
schan = self.ts.accept(1.0)
# nothing should be ready
r, w, e = select.select([chan], [], [], 0.1)
self.assertEqual([], r)
self.assertEqual([], w)
self.assertEqual([], e)
schan.send("hello\n")
# something should be ready now (give it 1 second to appear)
for i in range(10):
r, w, e = select.select([chan], [], [], 0.1)
if chan in r:
break
time.sleep(0.1)
self.assertEqual([chan], r)
self.assertEqual([], w)
self.assertEqual([], e)
self.assertEqual(b"hello\n", chan.recv(6))
# and, should be dead again now
r, w, e = select.select([chan], [], [], 0.1)
self.assertEqual([], r)
self.assertEqual([], w)
self.assertEqual([], e)
schan.close()
# detect eof?
for i in range(10):
r, w, e = select.select([chan], [], [], 0.1)
if chan in r:
break
time.sleep(0.1)
self.assertEqual([chan], r)
self.assertEqual([], w)
self.assertEqual([], e)
self.assertEqual(bytes(), chan.recv(16))
# make sure the pipe is still open for now...
p = chan._pipe
self.assertEqual(False, p._closed)
chan.close()
# ...and now is closed.
self.assertEqual(True, p._closed)
def test_A_select(self):
"""
verify that select() on a channel works.
"""
self.setup_test_server()
chan = self.tc.open_session()
chan.invoke_shell()
schan = self.ts.accept(1.0)
# nothing should be ready
r, w, e = select.select([chan], [], [], 0.1)
self.assertEqual([], r)
self.assertEqual([], w)
self.assertEqual([], e)
schan.send('hello\n')
# something should be ready now (give it 1 second to appear)
for i in range(10):
r, w, e = select.select([chan], [], [], 0.1)
if chan in r:
break
time.sleep(0.1)
self.assertEqual([chan], r)
self.assertEqual([], w)
self.assertEqual([], e)
self.assertEqual(b'hello\n', chan.recv(6))
# and, should be dead again now
r, w, e = select.select([chan], [], [], 0.1)
self.assertEqual([], r)
self.assertEqual([], w)
self.assertEqual([], e)
schan.close()
# detect eof?
for i in range(10):
r, w, e = select.select([chan], [], [], 0.1)
if chan in r:
break
time.sleep(0.1)
self.assertEqual([chan], r)
self.assertEqual([], w)
self.assertEqual([], e)
self.assertEqual(bytes(), chan.recv(16))
# make sure the pipe is still open for now...
p = chan._pipe
self.assertEqual(False, p._closed)
chan.close()
# ...and now is closed.
self.assertEqual(True, p._closed)
def test_8_sign_rsa(self):
# verify that the rsa private key can sign and verify
key = RSAKey.from_private_key_file(test_path('test_rsa.key'))
msg = key.sign_ssh_data(b'ice weasels')
self.assertTrue(type(msg) is Message)
msg.rewind()
self.assertEqual('ssh-rsa', msg.get_text())
sig = bytes().join([byte_chr(int(x, 16)) for x in SIGNED_RSA.split(':')])
self.assertEqual(sig, msg.get_binary())
msg.rewind()
pub = RSAKey(data=key.asbytes())
self.assertTrue(pub.verify_ssh_sig(b'ice weasels', msg))
