f2py.test_return_character fails on s390x #11831
Description
Reproducing code example:
Both TestF77ReturnCharacter.test_all and TestF90ReturnCharacter.test_all fail when building on Fedora s390x: build
Error message:
_______________________ TestF77ReturnCharacter.test_all ________________________
self = <numpy.f2py.tests.test_return_character.TestF77ReturnCharacter object at 0x3ff91bd0cc0>
@pytest.mark.slow
def test_all(self):
for name in "t0,t1,t5,s0,s1,s5,ss".split(","):
> self.check_function(getattr(self.module, name))
name = 't0'
self = <numpy.f2py.tests.test_return_character.TestF77ReturnCharacter object at 0x3ff91bd0cc0>
../../../BUILDROOT/numpy-1.15.1-2.fc30.s390x/usr/lib64/python3.7/site-packages/numpy/f2py/tests/test_return_character.py:87:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <numpy.f2py.tests.test_return_character.TestF77ReturnCharacter object at 0x3ff91bd0cc0>
t = <fortran t0>
def check_function(self, t):
tname = t.__doc__.split()[0]
if tname in ['t0', 't1', 's0', 's1']:
assert_(t(23) == b'2')
r = t('ab')
assert_(r == b'a', repr(r))
r = t(array('ab'))
> assert_(r == b'a', repr(r))
E AssertionError: b' '
r = b' '
self = <numpy.f2py.tests.test_return_character.TestF77ReturnCharacter object at 0x3ff91bd0cc0>
t = <fortran t0>
tname = 't0'
../../../BUILDROOT/numpy-1.15.1-2.fc30.s390x/usr/lib64/python3.7/site-packages/numpy/f2py/tests/test_return_character.py:19: AssertionError
_______________________ TestF90ReturnCharacter.test_all ________________________
self = <numpy.f2py.tests.test_return_character.TestF90ReturnCharacter object at 0x3ff91bd6518>
@pytest.mark.slow
def test_all(self):
for name in "t0,t1,t5,ts,s0,s1,s5,ss".split(","):
> self.check_function(getattr(self.module.f90_return_char, name))
name = 't0'
self = <numpy.f2py.tests.test_return_character.TestF90ReturnCharacter object at 0x3ff91bd6518>
../../../BUILDROOT/numpy-1.15.1-2.fc30.s390x/usr/lib64/python3.7/site-packages/numpy/f2py/tests/test_return_character.py:146:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <numpy.f2py.tests.test_return_character.TestF90ReturnCharacter object at 0x3ff91bd6518>
t = <fortran object>
def check_function(self, t):
tname = t.__doc__.split()[0]
if tname in ['t0', 't1', 's0', 's1']:
assert_(t(23) == b'2')
r = t('ab')
assert_(r == b'a', repr(r))
r = t(array('ab'))
> assert_(r == b'a', repr(r))
E AssertionError: b' '
r = b' '
self = <numpy.f2py.tests.test_return_character.TestF90ReturnCharacter object at 0x3ff91bd6518>
t = <fortran object>
tname = 't0'
../../../BUILDROOT/numpy-1.15.1-2.fc30.s390x/usr/lib64/python3.7/site-packages/numpy/f2py/tests/test_return_character.py:19: AssertionError
Numpy/Python version information:
NumPy 1.15.1, Python 3.7
All variations:
Locally, I modified the tests to be parametrized and ran those:
@pytest.mark.parametrize('name', "t0,t1,t5,s0,s1,s5,ss".split(","))
def test_all(self, name):
self.check_function(getattr(self.module, name))This enabled seeing all results:
TestF77ReturnCharacter::test_all[t0] <- FAILED
TestF77ReturnCharacter::test_all[t1] <- FAILED
TestF77ReturnCharacter::test_all[t5] <- PASSED
TestF77ReturnCharacter::test_all[s0] <- FAILED
TestF77ReturnCharacter::test_all[s1] <- FAILED
TestF77ReturnCharacter::test_all[s5] <- PASSED
TestF77ReturnCharacter::test_all[ss] <- PASSED
TestF90ReturnCharacter::test_all[t0] <- FAILED
TestF90ReturnCharacter::test_all[t1] <- FAILED
TestF90ReturnCharacter::test_all[t5] <- PASSED
TestF90ReturnCharacter::test_all[ts] <- PASSED
TestF90ReturnCharacter::test_all[s0] <- FAILED
TestF90ReturnCharacter::test_all[s1] <- FAILED
TestF90ReturnCharacter::test_all[s5] <- PASSED
TestF90ReturnCharacter::test_all[ss] <- PASSED