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# -*- Mode: python; tab-width: 4; indent-tabs-mode:nil; coding:utf-8 -*-
# vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4 fileencoding=utf-8
#
# MDAnalysis --- https://www.mdanalysis.org
# Copyright (c) 2006-2017 The MDAnalysis Development Team and contributors
# (see the file AUTHORS for the full list of names)
#
# Released under the Lesser GNU Public Licence, v2.1 or any higher version
#
# Please cite your use of MDAnalysis in published work:
#
# R. J. Gowers, M. Linke, J. Barnoud, T. J. E. Reddy, M. N. Melo, S. L. Seyler,
# D. L. Dotson, J. Domanski, S. Buchoux, I. M. Kenney, and O. Beckstein.
# MDAnalysis: A Python package for the rapid analysis of molecular dynamics
# simulations. In S. Benthall and S. Rostrup editors, Proceedings of the 15th
# Python in Science Conference, pages 102-109, Austin, TX, 2016. SciPy.
# doi: 10.25080/majora-629e541a-00e
#
# N. Michaud-Agrawal, E. J. Denning, T. B. Woolf, and O. Beckstein.
# MDAnalysis: A Toolkit for the Analysis of Molecular Dynamics Simulations.
# J. Comput. Chem. 32 (2011), 2319--2327, doi:10.1002/jcc.21787
#
from io import StringIO
import logging
import sys
import MDAnalysis
import MDAnalysis.lib.log
import pytest
def test_start_stop_logging():
try:
MDAnalysis.log.start_logging()
logger = logging.getLogger("MDAnalysis")
logger.info("Using the MDAnalysis logger works")
except Exception as err:
raise AssertionError("Problem with logger: {0}".format(err))
finally:
MDAnalysis.log.stop_logging()
class RedirectedStderr(object):
"""Temporarily replaces sys.stderr with *stream*.
Deals with cached stderr, see
http://stackoverflow.com/questions/6796492/temporarily-redirect-stdout-stderr
"""
def __init__(self, stream=None):
self._stderr = sys.stderr
self.stream = stream or sys.stdout
def __enter__(self):
self.old_stderr = sys.stderr
self.old_stderr.flush()
sys.stderr = self.stream
def __exit__(self, exc_type, exc_value, traceback):
self._stderr.flush()
sys.stderr = self.old_stderr
@pytest.fixture()
def buffer():
return StringIO()
def _assert_in(output, string):
assert (
string in output
), "Output '{0}' does not match required format '{1}'.".format(
output.replace("\r", "\\r"), string.replace("\r", "\\r")
)
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