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Wednesday, November 26, 2014

Python mox mock Unit Test StubOutWithMock example

1)

import mox

class MyRequestHandler(object):
    def authenticate(self, request):
        print "===in authenticate==="


handler = MyRequestHandler()

#####1) Start recording (put mock in record mode) #####
m = mox.Mox()
m.StubOutWithMock(handler, "authenticate")#stubout the method 'authenticate' and replace with a mock object named 'authenticate'


#####2) Stop recording (put mock objects in reply mode) #####
m.ReplayAll()



#####3) Verify that we played all recorded things #####
m.VerifyAll()



#####4) UnsetStubs #####
m.UnsetStubs()






2)

import mox

class MyRequestHandler(object):
    def handle_request(self, request):
        self.authenticate(request)
        self.authorize(request)
        self.process(request)

    def authenticate(self, request):
        print "===in authenticate==="

    def authorize(self, request):
        print "===in authorize==="

    def process(self, request):
        print "===in process==="

    def test_method1(sefi, request):
        print "===in test_method1==="

handler = MyRequestHandler()

#####1) Start recording (put mock in record mode) #####
m = mox.Mox()
m.StubOutWithMock(handler, "authenticate")#stubout the method 'authenticate' and replace with a mock object named 'authenticate'
m.StubOutWithMock(handler, "authorize")#stubout the method 'authorize' and replace with a mock object named 'authorize'

handler.authenticate(mox.IsA(int))#record the behavior you expect by calling the expected methods on the mock object
handler.authorize(mox.IsA(int))#record the behavior you expect by calling the expected methods on the mock object

handler.authorize(mox.IsA(int)).AndReturn("\nReturn me when calling 'authorize' method \n\n")

handler.authorize(mox.IsA(int)).AndRaise(Exception("Got error \n\n"))

handler.authorize("saju").AndReturn("\nCalled me with string argument 'saju'\n\n")


#####2) Stop recording (put mock objects in reply mode) and start testing #####
m.ReplayAll()

handler.authenticate(1)#Testing method call with int value
handler.authorize(1)#Testing method call with int value

print handler.authorize(1)#Testing the return

try:
    handler.authorize(1)#testing the exception raise, we should add try, catch here, otherwise execution stop here
except Exception as ex:
    print ex
    pass

print "\n\n---here---"
print handler.authorize('saju')#Testing the method with string argument 'saju'


#####3) Verify that we played all recorded things #####
m.VerifyAll()#verify that all recorded (expected) interactions occurred


#####4) UnsetStubs #####

m.UnsetStubs()




1 comment:

  1. https://code.google.com/p/pymox/wiki/MoxDocumentation

    https://code.google.com/p/pymox/wiki/MoxRecipes

    https://github.com/openstack/python-neutronclient/blob/master/neutronclient/tests/unit/test_cli20.py

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