def test_init(self):
"""
Test that SSHChannel initializes correctly. localWindowSize defaults
to 131072 (2**17) and localMaxPacket to 32768 (2**15) as reasonable
defaults (what OpenSSH uses for those variables).
The values in the second set of assertions are meaningless; they serve
only to verify that the instance variables are assigned in the correct
order.
"""
c = channel.SSHChannel(conn=self.conn)
self.assertEqual(c.localWindowSize, 131072)
self.assertEqual(c.localWindowLeft, 131072)
self.assertEqual(c.localMaxPacket, 32768)
self.assertEqual(c.remoteWindowLeft, 0)
self.assertEqual(c.remoteMaxPacket, 0)
self.assertEqual(c.conn, self.conn)
self.assertEqual(c.data, None)
self.assertEqual(c.avatar, None)
c2 = channel.SSHChannel(1, 2, 3, 4, 5, 6, 7)
self.assertEqual(c2.localWindowSize, 1)
self.assertEqual(c2.localWindowLeft, 1)
self.assertEqual(c2.localMaxPacket, 2)
self.assertEqual(c2.remoteWindowLeft, 3)
self.assertEqual(c2.remoteMaxPacket, 4)
self.assertEqual(c2.conn, 5)
self.assertEqual(c2.data, 6)
self.assertEqual(c2.avatar, 7)
def test_str(self):
"""
Test that str(SSHChannel) works gives the channel name and local and
remote windows at a glance..
"""
self.assertEqual(str(self.channel), "<SSHChannel channel (lw 131072 rw 0)>")
self.assertEqual(
str(channel.SSHChannel(localWindow=1)), "<SSHChannel None (lw 1 rw 0)>"
)
def setUp(self):
"""
Initialize the channel. remoteMaxPacket is 10 so that data is able
to be sent (the default of 0 means no data is sent because no packets
are made).
"""
self.conn = MockConnection()
self.channel = channel.SSHChannel(conn=self.conn, remoteMaxPacket=10)
self.channel.name = 'channel'
def test_bytes(self):
"""
Test that bytes(SSHChannel) works, gives the channel name and
local and remote windows at a glance..
"""
self.assertEqual(self.channel.__bytes__(),
b'<SSHChannel channel (lw 131072 rw 0)>')
self.assertEqual(
channel.SSHChannel(localWindow=1).__bytes__(),
b'<SSHChannel None (lw 1 rw 0)>')
