DAMASK_EICMD/lib/damask/test/test.py

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#!/usr/bin/env python
# $Id$
import os, sys
import subprocess,shutil,string
import damask
from optparse import OptionParser
class Test():
'''
General class for testing.
Is sub-classed by the individual tests.
'''
variants = []
def __init__(self,test_description):
print '\n'+test_description
self.dirBase = os.path.dirname(os.path.realpath(sys.argv[0]))
self.parser = OptionParser(
description = 'Using: $Id run_test.py 1285 2012-02-09 08:54:09Z MPIE\m.diehl $',
usage='run_test.py [options]')
self.parser.add_option("-u", "--update", action="store_true",\
dest="update",\
help="use current test results as new reference")
self.parser.set_defaults(update = False)
(self.options, self.args) = self.parser.parse_args()
def execute(self,variants = [],update = []):
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'''
Run all variants and report first failure.
'''
if len(variants) == 0: variants = xrange(len(self.variants)) # iterate over all variants
self.clean()
for variant in variants:
try:
self.prepare(variant)
self.run(variant)
self.postprocess(variant)
if variant in update:
self.update(variant)
elif not self.compare(variant):
return variant
except:
return variant
return -1
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# for self.current_variant_index,variant in enumerate(variants):
# self.prepare(variant)
# self.run(variant)
# self.postprocess(variant)
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# if self.current_variant_index in update:
# self.update(variant)
# elif not self.compare(variant):
# return variant
# return -1
def clean(self):
'''
Delete directory tree containing current results.
'''
status = True
try:
shutil.rmtree(self.dirCurrent())
except:
print('removal of directory "%s" failed...'%(self.dirCurrent()))
status = status and False
try:
os.mkdir(self.dirCurrent())
except:
print('creation of directory "%s" failed...'%(self.dirCurrent()))
status = status and False
return status
def prepare(self,variant):
'''
Do all necessary preparations for the run of each test variant
'''
return True
def run(self,variant):
'''
Execute the requested test variant.
'''
return True
def postprocess(self,variant):
'''
Perform post-processing of generated results for this test variant.
'''
return True
def compare(self,variant):
'''
Compare reference to current results.
'''
return True
def update(self,variant):
'''
Update reference with current results.
'''
return True
def dirReference(self):
'''
'''
return os.path.normpath(os.path.join(self.dirBase,'reference/'))
def dirCurrent(self):
'''
'''
return os.path.normpath(os.path.join(self.dirBase,'current/'))
def fileInReference(self,file):
'''
'''
return os.path.join(self.dirReference(),file)
def fileInCurrent(self,file):
'''
'''
return os.path.join(self.dirCurrent(),file)
def copy_Reference2Current(self,files=[]):
for file in files:
try:
shutil.copy2(self.fileInReference(file),self.fileInCurrent(file))
except:
print 'Reference2Current: Unable to copy file ', file
def copy_Current2Current(self,files=[]):
for file in files:
try:
shutil.copy2(self.fileInCurrent(file[0]),self.fileInCurrent(file[1]))
except:
print 'Current2Current: Unable to copy file ', file
def execute_inCurrentDir(self,cmd):
os.chdir(self.dirCurrent())
print cmd
os.system(cmd)
def compare_Array(self,ref,cur):
import numpy
refName = self.fileInReference (ref)
curName = self.fileInCurrent(cur)
refFile = open(refName)
table = damask.ASCIItable(refFile)
table.head_read()
refFile.close()
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refArray = numpy.genfromtxt(refName,missing_values='n/a',skip_header = table.headerLen)
curArray = numpy.genfromtxt(curName,missing_values='n/a',skip_header = table.headerLen)
err = abs((refArray/curArray)-1.) # relative tolerance
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refNaN=len(numpy.isnan(refArray))
curNaN=len(numpy.isnan(curArray))
if curNaN == refNaN:
err[numpy.isnan(err)]=0.0
max_err = numpy.max(err)
print ' ********\n * maximum relative error',max_err,'\n ********'
return max_err
def report_Success(self,culprit):
if culprit < 0:
print '%s passed.'%({False: 'The test',
True: 'All %i tests'%(len(self.variants))}[len(self.variants) > 1])
else:
print ' ********\n * Test %i failed...\n ********'%(culprit+1)