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community.general/test/units/plugins/connection/test_network_cli.py
Ganesh Nalawade 17fea30841
Revert "enhance recv calls in network_cli ()" ()
This reverts commit c649d0ea32.

The change results in deadlock in network_cli while it is
waiting to check the return value of recv_ready() which
was added in this commit to improve performance
2018-10-29 09:50:30 +05:30

147 lines
5.1 KiB
Python

#
# (c) 2016 Red Hat Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import re
import time
import json
from io import StringIO
from units.compat import unittest
from units.compat.mock import patch, MagicMock
from ansible.module_utils._text import to_text
from ansible.errors import AnsibleConnectionFailure
from ansible.playbook.play_context import PlayContext
from ansible.plugins.loader import connection_loader
class TestConnectionClass(unittest.TestCase):
@patch("ansible.plugins.connection.paramiko_ssh.Connection._connect")
def test_network_cli__connect_error(self, mocked_super):
pc = PlayContext()
pc.network_os = 'ios'
conn = connection_loader.get('network_cli', pc, '/dev/null')
conn.ssh = MagicMock()
conn.receive = MagicMock()
conn._network_os = 'does not exist'
self.assertRaises(AnsibleConnectionFailure, conn._connect)
def test_network_cli__invalid_os(self):
pc = PlayContext()
pc.network_os = None
self.assertRaises(AnsibleConnectionFailure, connection_loader.get, 'network_cli', pc, '/dev/null')
@patch("ansible.plugins.connection.network_cli.terminal_loader")
@patch("ansible.plugins.connection.paramiko_ssh.Connection._connect")
def test_network_cli__connect(self, mocked_super, mocked_terminal_loader):
pc = PlayContext()
pc.network_os = 'ios'
conn = connection_loader.get('network_cli', pc, '/dev/null')
conn.ssh = MagicMock()
conn.receive = MagicMock()
conn._connect()
self.assertTrue(conn._terminal.on_open_shell.called)
self.assertFalse(conn._terminal.on_become.called)
conn._play_context.become = True
conn._play_context.become_method = 'enable'
conn._play_context.become_pass = 'password'
conn._connected = False
conn._connect()
conn._terminal.on_become.assert_called_with(passwd='password')
@patch("ansible.plugins.connection.paramiko_ssh.Connection.close")
def test_network_cli_close(self, mocked_super):
pc = PlayContext()
pc.network_os = 'ios'
conn = connection_loader.get('network_cli', pc, '/dev/null')
terminal = MagicMock(supports_multiplexing=False)
conn._terminal = terminal
conn._ssh_shell = MagicMock()
conn.paramiko_conn = MagicMock()
conn._connected = True
conn.close()
self.assertTrue(terminal.on_close_shell.called)
self.assertIsNone(conn._ssh_shell)
self.assertIsNone(conn.paramiko_conn)
@patch("ansible.plugins.connection.paramiko_ssh.Connection._connect")
def test_network_cli_exec_command(self, mocked_super):
pc = PlayContext()
pc.network_os = 'ios'
conn = connection_loader.get('network_cli', pc, '/dev/null')
mock_send = MagicMock(return_value=b'command response')
conn.send = mock_send
conn._ssh_shell = MagicMock()
# test sending a single command and converting to dict
out = conn.exec_command('command')
self.assertEqual(out, b'command response')
mock_send.assert_called_with(command=b'command')
# test sending a json string
out = conn.exec_command(json.dumps({'command': 'command'}))
self.assertEqual(out, b'command response')
mock_send.assert_called_with(command=b'command')
def test_network_cli_send(self):
pc = PlayContext()
pc.network_os = 'ios'
conn = connection_loader.get('network_cli', pc, '/dev/null')
mock__terminal = MagicMock()
mock__terminal.terminal_stdout_re = [re.compile(b'device#')]
mock__terminal.terminal_stderr_re = [re.compile(b'^ERROR')]
conn._terminal = mock__terminal
mock__shell = MagicMock()
conn._ssh_shell = mock__shell
response = b"""device#command
command response
device#
"""
mock__shell.recv.side_effect = [response, None]
output = conn.send(b'command', None, None, None)
mock__shell.sendall.assert_called_with(b'command\r')
self.assertEqual(to_text(conn._command_response), 'command response')
mock__shell.reset_mock()
mock__shell.recv.side_effect = [b"ERROR: error message device#"]
with self.assertRaises(AnsibleConnectionFailure) as exc:
conn.send(b'command', None, None, None)
self.assertEqual(str(exc.exception), 'ERROR: error message device#')