forked from lijiext/lammps
97 lines
2.8 KiB
Python
97 lines
2.8 KiB
Python
"""Common helper functions for running the tests.
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Copyright (C) 2013, Joshua More and Michele Ceriotti
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http.//www.gnu.org/licenses/>.
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Functions:
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local: Returns local folder of the tests directory.
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Classes:
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TestSimulation: Can be used to test that a particular simulation
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will run properly, given an input file and a driver code.
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"""
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import glob
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import os
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import subprocess
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import shutil
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import tempfile
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def local(file=None):
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"""Returns local folder of the tests directory.
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Args:
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- file: Append file to the local folder
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"""
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if file:
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return os.sep.join(__file__.split(os.sep)[:-1]+[file])
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else:
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return os.sep.join(__file__.split(os.sep)[:-1])
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class TestSimulation(object):
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"""Simple class used to test various aspects of the simulation.
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Can be used to run an example given the location of an xml
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input file and the location of a suitable driver code.
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Attributes:
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finput: The name of the xml input file
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folder_input: A string giving the directory the input file is held in.
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fdriver: The location of a driver code.
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cwd: Current working directory.
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tmpdir: A temporary directory to run the simulation in.
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"""
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def __init__(self, input, driver):
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"""Initializes TestSimulation.
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Args:
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input: The name of the xml input file.
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driver: The location of the driver code.
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"""
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self.finput = input
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self.folder_input = os.sep.join(input.split(os.sep)[:-1])
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self.fdriver = driver
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self.cwd = os.getcwd()
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self.tmpdir = tempfile.mkdtemp()
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# Copy needed files to tmpdir
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for src in glob.glob("%s/*"%self.folder_input):
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shutil.copy(src, self.tmpdir)
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os.chdir(self.tmpdir)
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def __del__(self):
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"""Cleans the temporary directory once the simulation is over."""
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os.chdir(self.cwd)
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shutil.rmtree(self.tmpdir)
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def run(self):
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"""Runs the simulation."""
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# Run driver
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p = subprocess.Popen("echo running %s"%self.fdriver, shell=True)
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# Start simulation
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# TODO
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print subprocess.check_output("ls", shell=True)
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print subprocess.check_output("pwd", shell=True)
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# wait for driver to finish
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p.wait()
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