On Mon, Jun 20, 2011 at 3:52 PM, Nan <ringe...@gmail.com> wrote:
> I'm not testing the third-party service. I need to test *what I send
> to them*. I.e. that the output of my_view is correct. The trouble is
> that neither my_view nor the API call actually returns the output that
> I need to check.
>
> Does that make sense?
Mock is one good solution. Here's what I've done in the past
(basically half-assed mock):
1. Have representative data sets that are good for the service (eg.
whatever you send to them, and whatever they send you in return).
2. Monkey patch the call:
def hackety_patch():
from StringIO import StringIO
data = StringIO(testdata_response_from_API)
data.seek(0)
return data.read()
# in TestCase subclass
def setUp(self):
third_party.api.urllib2.urlopen = hackety_patch
def tearDown(self):
third_party.api.urllib2.urlopen = urllib2.urlopen
3. Break up your API calling code into more testable units to truly
isolate your independent code from the API calling code. It'll be much
easier to catch problems in the API integration code.
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