Chris@87: """ Doctests for NumPy-specific nose/doctest modifications
Chris@87: 
Chris@87: """
Chris@87: from __future__ import division, absolute_import, print_function
Chris@87: 
Chris@87: # try the #random directive on the output line
Chris@87: def check_random_directive():
Chris@87:     '''
Chris@87:     >>> 2+2
Chris@87:     <BadExample object at 0x084D05AC>  #random: may vary on your system
Chris@87:     '''
Chris@87: 
Chris@87: # check the implicit "import numpy as np"
Chris@87: def check_implicit_np():
Chris@87:     '''
Chris@87:     >>> np.array([1,2,3])
Chris@87:     array([1, 2, 3])
Chris@87:     '''
Chris@87: 
Chris@87: # there's some extraneous whitespace around the correct responses
Chris@87: def check_whitespace_enabled():
Chris@87:     '''
Chris@87:     # whitespace after the 3
Chris@87:     >>> 1+2
Chris@87:     3
Chris@87: 
Chris@87:     # whitespace before the 7
Chris@87:     >>> 3+4
Chris@87:      7
Chris@87:     '''
Chris@87: 
Chris@87: def check_empty_output():
Chris@87:     """ Check that no output does not cause an error.
Chris@87: 
Chris@87:     This is related to nose bug 445; the numpy plugin changed the
Chris@87:     doctest-result-variable default and therefore hit this bug:
Chris@87:     http://code.google.com/p/python-nose/issues/detail?id=445
Chris@87: 
Chris@87:     >>> a = 10
Chris@87:     """
Chris@87: 
Chris@87: def check_skip():
Chris@87:     """ Check skip directive
Chris@87: 
Chris@87:     The test below should not run
Chris@87: 
Chris@87:     >>> 1/0 #doctest: +SKIP
Chris@87:     """
Chris@87: 
Chris@87: 
Chris@87: if __name__ == '__main__':
Chris@87:     # Run tests outside numpy test rig
Chris@87:     import nose
Chris@87:     from numpy.testing.noseclasses import NumpyDoctest
Chris@87:     argv = ['', __file__, '--with-numpydoctest']
Chris@87:     nose.core.TestProgram(argv=argv, addplugins=[NumpyDoctest()])