Is `0.0` the troublesome float here?
On Wed, Jul 19, 2017 at 7:35 AM, Shall, Sydney <sydney.sh...@kcl.ac.uk> wrote: > I am learning to use unittest. > > I have written a program that runs as it should. > 247 tests give me a satisfactory answer. > > I have now added one more test and I get an error which I do not > understand. > > The two relevant tests are: > > def test_type_capitalsadvanced(self): > self.assertEqual(type(self.capitalsadvanced), numpy.ndarray) > > def test_zero_in_capitalsadvanced(self): > self.assertIn(self.capitalsadvanced, 0.0) > > The error message is: > > Traceback (most recent call last): > File > "/Users/sydney/Capital/Capital_with_productivity/Current_Versions/testPOCWP_V2.py", > line 320, in test_zero_in_capitalsadvanced > self.assertIn(self.capitalsadvanced, 0.0) > File "/Users/sydney/anaconda/lib/python3.6/unittest/case.py", line > 1077, in assertIn > if member not in container: > TypeError: argument of type 'float' is not iterable > > Final output from the tests is : > > Ran 247 tests in 1.179s > > FAILED (failures=9, errors=1) > > The failures all arise from a 'nan'. > It is this problem that I am trying to resolve. > > My problem is that the first test tells me correctly that the object > capitalsadvanced is a numpy.ndarray. But the second test error message says > it is a float. > > I should add that the program creates the initial data set by making use > of the random function which is given a mean to work with. Thus each test > run will be with different input data. But repeated tests show the same > errors. > > Any guidance will be very welcome. > > Sydney > > _________ > > Professor Sydney Shall > Department of Haematology/Oncology > Phone: +(0)2078489200 > E-Mail: sydney.shall > [Correspondents outside the College should add @kcl.ac.uk] > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > https://mail.python.org/mailman/listinfo/tutor > _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor