You don't need mocks or dependency injection in this case. Just separate the
message construction code, so you can test it in isolation:
# myapp.views
from django.http import HttpResponse
from myapp.models import CurrentState
from myapp.exceptions import ApiFailureException
from third_party.api import theAPI
def my_view(request):
state = CurrentState.get(pk=request. session.get('state'))
new_data = request.POST.get('new_data')
state.update(new_data)
msg = _get_message(state, new_data)
result = theAPI.call(msg)
if result is None:
return ApiFailureException()
return HttpResponse('success')
def _get_message(state, new_data):
message = None
if state.x() and state.y():
message = '%s/%s' % (state.a(), new_data)
elif state.z():
message = '%s/%s' % (state.b(), new_data)
else:
message = state.c()
return message
# third_party.api
import urllib, urllib2
from django.conf import settings
class theAPI(object):
def call(self, msg=''):
data = urllib.urlencode({'message': msg})
req = urllib2.Request(url=settings.THIRD_PARTY_API_URL, data=data)
resp = urllib2.urlopen(req)
return resp.status == '200'
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