Test Doubles in Python

doubles.rst

• http://stackoverflow.com/questions/463278/what-is-a-stub
• http://pycheesecake.org/wiki/PythonTestingToolsTaxonomy#MockTestingTools
• http://pypi.python.org/pypi/MiniMock
• http://www.voidspace.org.uk/python/mock/compare.html
• http://garybernhardt.github.com/python-mock-comparison/
• http://c2.com/cgi/wiki?MockStubShunt
• http://c2.com/cgi/wiki?MockObject
• http://pypi.python.org/pypi/mock
• http://c2.com/cgi/wiki?LawOfDemeter
• http://martinfowler.com/articles/mocksArentStubs.html
• http://labix.org/mocker
• http://xunitpatterns.com/Mocks,%20Fakes,%20Stubs%20and%20Dummies.html
• http://xunitpatterns.com/Test%20Spy.html
• http://www.reddit.com/r/Python/comments/im32m/pythons_assert_is_good_enough_for_testing_can_we/

example_problem.py

import paramiko

def do_some_action():
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.WarningPolicy())
    ssh.connect('localhost', username='guest', password='guest')
    chan = ssh.get_transport().open_session()
    chan.exec_command('/tmp/run.sh')
    status = chan.recv_exit_status()
    ssh.close()
    return status