What happens when you throw in a print(obj.__dict__[field]) before the val assignment? You should see on the console what value each iteration of the loop is using and see if you have a strange attribute that is throwing things out of kilter.
-James On Feb 24, 2015 8:33 PM, "Mike Dewhirst" <[email protected]> wrote: > This is driving me insane so any hints will be greatly appreciated ... > > Thanks > > Mike > > Here is the entire unedited test sequence plus failing code ... > > Python: 3.4 > Django: 1.6.9 > SQLite3: memory > > Creating test database for alias 'default'... > .E.E... > ====================================================================== > ERROR: test_checkreference_exp (substance.tests.test_ > substance.TestSubstance) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File "C:\Users\mike\env\xxdx3\ssds\substance\tests\test_substance.py", > line 57, in test_checkreference_exp > self.assertEqual(subst.checkreference('1'), True) > File "C:\Users\mike\env\xxdx3\ssds\substance\models\substance.py", line > 449, in checkreference > if checkit(self, ref): > File "C:\Users\mike\env\xxdx3\ssds\substance\models\substance.py", line > 441, in checkit > val = u"{0}".format(obj.__dict__[field]) > TypeError: __str__ returned non-string (type bytes) > > ====================================================================== > ERROR: testcheckreference_gas (substance.tests.test_ > substance.TestSubstance) > ---------------------------------------------------------------------- > Traceback (most recent call last): > File "C:\Users\mike\env\xxdx3\ssds\substance\tests\test_substance.py", > line 75, in test_checkreference_gas > self.assertEqual(subst.checkreference('1'.encode('utf-8')), True) > File "C:\Users\mike\env\xxdx3\ssds\substance\models\substance.py", line > 449, in checkreference > if checkit(self, ref): > File "C:\Users\mike\env\xxdx3\ssds\substance\models\substance.py", line > 441, in checkit > val = u"{0}".format(obj.__dict__[field]) > TypeError: __str__ returned non-string (type bytes) > > ---------------------------------------------------------------------- > Ran 7 tests in 1.281s > > FAILED (errors=2) > Destroying test database for alias 'default'... > > So here is the method in the substance model. The idea is that we check to > see if the user included a bracketed reference in any field of substance or > any field of a related object. I'll chop out the middle of the method to > save space. > > def checkreference(self, ref): > """Check all potential char fields for ref in square brackets eg > [1] > > Give up as soon as it is found. Otherwise raise validation error. > """ > def checkit(obj, ref): > """Return True immediately but don't return False unless all > fields have been checked.""" > for field in obj.__dict__: > val = u"{0}".format(obj.__dict__[field]) > if ref in val: > return True > > assert(ref) > ref = "[{0}]".format(ref) > # first check self - the substance itself > if checkit(self, ref): > return True > # now each of the 1:1 and 1:n objects > try: > obj = Solid.objects.get(substance=self) > if checkit(obj, ref): > return True > except Solid.DoesNotExist: > pass > <snip lots of similar try/except blocks> > raise ValidationError("Reference {0} does not appear in any " > "field".format(ref)) > > ... and here is one of the tests (line 57 in the traceback) in error ... > > def test_checkreference_exp(self): > subst = Substance.objects.get(name="Hazsub") > exp, c = Explosive.objects.get_or_create(substance=subst) > exp.compatibility = '[1]' > exp.save() > self.assertEqual(subst.checkreference('1'), True) > > > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/django-users/54ED50A5.3030909%40dewhirst.com.au. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CA%2Be%2BciVZOsEBmy%3D3dBrutJPAhJ2f0ERhc6bs0OLk7BJrO2%3D%3D-w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
