import os
import sys
import pytest
import textwrap

from . import util
from numpy.testing import assert_equal, IS_PYPY


def _path(*a):
    return os.path.join(*((os.path.dirname(__file__),) + a))


class TestModuleDocString(util.F2PyTest):
    sources = [_path('src', 'module_data', 'module_data_docstring.f90')]

    @pytest.mark.skipif(sys.platform=='win32',
                        reason='Fails with MinGW64 Gfortran (Issue #9673)')
    @pytest.mark.xfail(IS_PYPY,
                       reason="PyPy cannot modify tp_doc after PyType_Ready")
    def test_module_docstring(self):
        assert_equal(self.module.mod.__doc__,
                     textwrap.dedent('''\
                     i : 'i'-scalar
                     x : 'i'-array(4)
                     a : 'f'-array(2,3)
                     b : 'f'-array(-1,-1), not allocated\x00
                     foo()\n
                     Wrapper for ``foo``.\n\n''')
                     )