Chris@87: from __future__ import division, absolute_import, print_function
Chris@87: 
Chris@87: import sys
Chris@87: from numpy.core import arange
Chris@87: from numpy.testing import (
Chris@87:     run_module_suite, assert_, assert_equal, dec
Chris@87:     )
Chris@87: from numpy.lib import deprecate
Chris@87: import numpy.lib.utils as utils
Chris@87: 
Chris@87: if sys.version_info[0] >= 3:
Chris@87:     from io import StringIO
Chris@87: else:
Chris@87:     from StringIO import StringIO
Chris@87: 
Chris@87: 
Chris@87: @dec.skipif(sys.flags.optimize == 2)
Chris@87: def test_lookfor():
Chris@87:     out = StringIO()
Chris@87:     utils.lookfor('eigenvalue', module='numpy', output=out,
Chris@87:                   import_modules=False)
Chris@87:     out = out.getvalue()
Chris@87:     assert_('numpy.linalg.eig' in out)
Chris@87: 
Chris@87: 
Chris@87: @deprecate
Chris@87: def old_func(self, x):
Chris@87:     return x
Chris@87: 
Chris@87: 
Chris@87: @deprecate(message="Rather use new_func2")
Chris@87: def old_func2(self, x):
Chris@87:     return x
Chris@87: 
Chris@87: 
Chris@87: def old_func3(self, x):
Chris@87:     return x
Chris@87: new_func3 = deprecate(old_func3, old_name="old_func3", new_name="new_func3")
Chris@87: 
Chris@87: 
Chris@87: def test_deprecate_decorator():
Chris@87:     assert_('deprecated' in old_func.__doc__)
Chris@87: 
Chris@87: 
Chris@87: def test_deprecate_decorator_message():
Chris@87:     assert_('Rather use new_func2' in old_func2.__doc__)
Chris@87: 
Chris@87: 
Chris@87: def test_deprecate_fn():
Chris@87:     assert_('old_func3' in new_func3.__doc__)
Chris@87:     assert_('new_func3' in new_func3.__doc__)
Chris@87: 
Chris@87: 
Chris@87: def test_safe_eval_nameconstant():
Chris@87:     # Test if safe_eval supports Python 3.4 _ast.NameConstant
Chris@87:     utils.safe_eval('None')
Chris@87: 
Chris@87: 
Chris@87: def test_byte_bounds():
Chris@87:     a = arange(12).reshape(3, 4)
Chris@87:     low, high = utils.byte_bounds(a)
Chris@87:     assert_equal(high - low, a.size * a.itemsize)
Chris@87: 
Chris@87: 
Chris@87: if __name__ == "__main__":
Chris@87:     run_module_suite()