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from mock import patch, MagicMock
from paramiko import Channel, ChannelFile, ChannelStderrFile
class TestChannelFile(object):
@patch("paramiko.channel.ChannelFile._set_mode")
def test_defaults_to_unbuffered_reading(self, setmode):
cf = ChannelFile(Channel(None))
setmode.assert_called_once_with("r", -1)
@patch("paramiko.channel.ChannelFile._set_mode")
def test_can_override_mode_and_bufsize(self, setmode):
cf = ChannelFile(Channel(None), mode="w", bufsize=25)
setmode.assert_called_once_with("w", 25)
def test_read_recvs_from_channel(self):
chan = MagicMock()
cf = ChannelFile(chan)
cf.read(100)
chan.recv.assert_called_once_with(100)
def test_write_calls_channel_sendall(self):
chan = MagicMock()
cf = ChannelFile(chan, mode="w")
cf.write("ohai")
chan.sendall.assert_called_once_with(b"ohai")
class TestChannelStderrFile(object):
def test_read_calls_channel_recv_stderr(self):
chan = MagicMock()
cf = ChannelStderrFile(chan)
cf.read(100)
chan.recv_stderr.assert_called_once_with(100)
def test_write_calls_channel_sendall(self):
chan = MagicMock()
cf = ChannelStderrFile(chan, mode="w")
cf.write("ohai")
chan.sendall_stderr.assert_called_once_with(b"ohai")
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