/
test_multiencoder.py
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/
test_multiencoder.py
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import easyvvuq as uq
from easyvvuq.actions import Actions, Encode, Decode, CreateRunDirectory
import os
import pytest
__copyright__ = """
Copyright 2018 Robin A. Richardson, David W. Wright
This file is part of EasyVVUQ
EasyVVUQ is free software: you can redistribute it and/or modify
it under the terms of the Lesser GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
EasyVVUQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
__license__ = "LGPL"
# If cannonsim has not been built (to do so, run the Makefile in tests/cannonsim/src/)
# then skip this test
if not os.path.exists("tests/cannonsim/bin/cannonsim"):
pytest.skip(
"Skipping cannonsim test (cannonsim is not installed in tests/cannonsim/bin/)",
allow_module_level=True)
CANNONSIM_PATH = os.path.realpath(os.path.expanduser("tests/cannonsim/bin/cannonsim"))
def test_multiencoder(tmpdir):
# Set up a fresh campaign called "cannon"
my_campaign = uq.Campaign(name='cannon', work_dir=tmpdir)
# Define parameter space for the cannonsim app
params = {
"angle": {
"type": "float",
"min": 0.0,
"max": 6.28,
"default": 0.79},
"air_resistance": {
"type": "float",
"min": 0.0,
"max": 1.0,
"default": 0.2},
"height": {
"type": "float",
"min": 0.0,
"max": 1000.0,
"default": 1.0},
"time_step": {
"type": "float",
"min": 0.0001,
"max": 1.0,
"default": 0.01},
"gravity": {
"type": "float",
"min": 0.0,
"max": 1000.0,
"default": 9.8},
"mass": {
"type": "float",
"min": 0.0001,
"max": 1000.0,
"default": 1.0},
"velocity": {
"type": "float",
"min": 0.0,
"max": 1000.0,
"default": 10.0}}
# Specify a complicated directory hierarchy to test the DirectoryBuilder encoder
directory_tree = {'dir1': {'dir2': {'dir3': None, 'dir4': None}}, 'dir5': {'dir6': None}}
# Create a multiencoder combining a directory build, and two template encodes
multiencoder = uq.encoders.MultiEncoder(
uq.encoders.DirectoryBuilder(tree=directory_tree),
uq.encoders.GenericEncoder(
template_fname='tests/cannonsim/test_input/cannonsim.template',
delimiter='#',
target_filename='dir1/dir2/dir3/in.cannon'
),
uq.encoders.GenericEncoder(
template_fname='tests/cannonsim/test_input/cannonsim.template',
delimiter='#',
target_filename='dir5/dir6/in.cannon.2'
)
)
# Create decoder and collater for the cannonsim app
decoder = uq.decoders.SimpleCSV(
target_filename='output.csv', output_columns=[
'Dist', 'lastvx', 'lastvy'])
actions = Actions(
CreateRunDirectory('/tmp'),
Encode(multiencoder),
uq.actions.ExecuteLocal(
os.path.abspath("tests/cannonsim/bin/cannonsim dir5/dir6/in.cannon.2") +
" output.csv"),
Decode(decoder))
# Add the cannonsim app
my_campaign.add_app(name="cannonsim",
params=params,
actions=actions)
# Set the active app to be cannonsim (this is redundant when only one app
# has been added)
my_campaign.set_app("cannonsim")
# Set up sampler
sweep1 = {
"angle": [0.1, 0.2, 0.3],
"height": [2.0, 10.0],
"velocity": [10.0, 10.1, 10.2]
}
sampler = uq.sampling.BasicSweep(sweep=sweep1)
# Set the campaign to use this sampler
my_campaign.set_sampler(sampler)
reloaded_campaign = uq.Campaign('cannon', db_location=my_campaign.db_location)
my_campaign.execute(sequential=True).collate()
# Create a BasicStats analysis element and apply it to the campaign
stats = uq.analysis.BasicStats(qoi_cols=['Dist', 'lastvx', 'lastvy'])
my_campaign.apply_analysis(stats)
if __name__ == "__main__":
test_multiencoder("/tmp/")