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/usr/lib/python2.7/dist-packages/nitime/testlib.py is in python-nitime 0.6-1.

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The actual contents of the file can be viewed below.

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"""Utilities to facilitate the writing of tests for nitime.
"""
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------


#-----------------------------------------------------------------------------
# Functions and classes
#-----------------------------------------------------------------------------

def import_nose():
    """
    Import nose only when needed.
    """
    fine_nose = True
    minimum_nose_version = (0,10,0)
    try:
        import nose
        from nose.tools import raises
    except ImportError:
        fine_nose = False
    else:
        if nose.__versioninfo__ < minimum_nose_version:
            fine_nose = False

    if not fine_nose:
        msg = 'Need nose >= %d.%d.%d for tests - see ' \
              'http://somethingaboutorange.com/mrl/projects/nose' % \
              minimum_nose_version

        raise ImportError(msg)

    return nose

def fpw_opt_str():
    """
    Return first-package-wins option string for this version of nose

    Versions of nose prior to 1.1.0 needed ``=True`` for ``first-package-wins``,
    versions after won't accept it.

    changeset: 816:c344a4552d76
    http://code.google.com/p/python-nose/issues/detail?id=293

    Returns
    -------
    fpw_str : str
    Either '--first-package-wins' or '--first-package-wins=True' depending
    on the nose version we are running.
    """
    # protect nose import to provide comprehensible error if missing
    nose = import_nose()
    config = nose.config.Config()
    fpw_str = '--first-package-wins'
    opt_parser = config.getParser('')
    opt_def = opt_parser.get_option('--first-package-wins')
    if opt_def is None:
        raise RuntimeError('Nose does not accept "first-package-wins"'
                           ' - is this an old nose version?')
    if opt_def.takes_value(): # the =True variant
        fpw_str += '=True'
    return fpw_str


def test(nose_arg='nitime', doctests=True, first_package_wins=True, extra_argv=None):
    """

    Run the nitime test suite using nose.

    Parameters
    ----------

    nose_arg: string, optional
        What the first nose argument should be. Defaults to 'nitime', which
        will run all of the tests that can be found for the package, but this
        argument allows you to test a subset of the test suite, such as
        'nitime.tests.test_timeseries' or even a specific test using
        'nitime.tests.test_timeseries:test_TimeArray_comparison'.

    doctests: bool, optional
       Whether to run the doctests. Defaults to True

    first_package_wins: bool, optional
       Don't evict packages from sys.module, if detecting another package with
       the same name in some other location(nosetests default behavior is to do
       that).

    extra_argv: string, list or tuple, optional
       Additional argument (string) or arguments (list or tuple of strings) to
       be passed to nose when running the tests.

    """
    from numpy.testing import noseclasses
    # We construct our own argv manually, so we must set argv[0] ourselves
    argv = ['nosetests',
            # Name the package to actually test, in this case nitime
            nose_arg,

            # extra info in tracebacks
            '--detailed-errors',

            # We add --exe because of setuptools' imbecility (it blindly does
            # chmod +x on ALL files).  Nose does the right thing and it tries
            # to avoid executables, setuptools unfortunately forces our hand
            # here.  This has been discussed on the distutils list and the
            # setuptools devs refuse to fix this problem!
            '--exe',
            ]

    # If someone wants to add some other argv
    if extra_argv is not None:
        if isinstance(extra_argv, list) or isinstance(extra_argv, list):
            for this in extra_argv: argv.append(this)
        else:
            argv.append(extra_argv)

    if first_package_wins:
        argv.append(fpw_opt_str())
            
    if doctests:
        argv.append('--with-doctest')
    plugins = [noseclasses.KnownFailure()]
    # Now nose can run
    return noseclasses.NumpyTestProgram(argv=argv, exit=False,
            addplugins=plugins).result

# Tell nose that the test() function itself isn't a test, otherwise we get a
# recursive loop inside nose.
test.__test__ = False