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#
#   See COPYING file distributed along with the NiBabel package for the
#   copyright and license terms.
#
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''' Utilities for testing '''
from os.path import dirname, abspath, join as pjoin

import numpy as np

# set path to example data
data_path = abspath(pjoin(dirname(__file__), '..', 'tests', 'data'))

# Allow failed import of nose if not now running tests
try:
    import nose.tools as nt
except ImportError:
    pass
else:
    from nose.tools import (assert_equal, assert_not_equal,
                            assert_true, assert_false, assert_raises)


def assert_dt_equal(a, b):
    """ Assert two numpy dtype specifiers are equal

    Avoids failed comparison between int32 / int64 and intp
    """
    assert_equal(np.dtype(a).str, np.dtype(b).str)