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#!/usr/bin/env python
#
# Copyright 2004,2010 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio 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
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
import unittest
import gr_xmlrunner
import sys, os, stat
class TestCase(unittest.TestCase):
"""A subclass of unittest.TestCase that adds additional assertions
Adds new methods assertComplexAlmostEqual,
assertComplexTuplesAlmostEqual and assertFloatTuplesAlmostEqual
"""
def assertComplexAlmostEqual (self, first, second, places=7, msg=None):
"""Fail if the two complex objects are unequal as determined by their
difference rounded to the given number of decimal places
(default 7) and comparing to zero.
Note that decimal places (from zero) is usually not the same
as significant digits (measured from the most signficant digit).
"""
if round(second.real-first.real, places) != 0:
raise self.failureException, \
(msg or '%s != %s within %s places' % (`first`, `second`, `places` ))
if round(second.imag-first.imag, places) != 0:
raise self.failureException, \
(msg or '%s != %s within %s places' % (`first`, `second`, `places` ))
def assertComplexAlmostEqual2 (self, ref, x, abs_eps=1e-12, rel_eps=1e-6, msg=None):
"""
Fail if the two complex objects are unequal as determined by...
"""
if abs(ref - x) < abs_eps:
return
if abs(ref) > abs_eps:
if abs(ref-x)/abs(ref) > rel_eps:
raise self.failureException, \
(msg or '%s != %s rel_error = %s rel_limit = %s' % (
`ref`, `x`, abs(ref-x)/abs(ref), `rel_eps` ))
else:
raise self.failureException, \
(msg or '%s != %s rel_error = %s rel_limit = %s' % (
`ref`, `x`, abs(ref-x)/abs(ref), `rel_eps` ))
def assertComplexTuplesAlmostEqual (self, a, b, places=7, msg=None):
self.assertEqual (len(a), len(b))
for i in xrange (len(a)):
self.assertComplexAlmostEqual (a[i], b[i], places, msg)
def assertComplexTuplesAlmostEqual2 (self, ref, x,
abs_eps=1e-12, rel_eps=1e-6, msg=None):
self.assertEqual (len(ref), len(x))
for i in xrange (len(ref)):
try:
self.assertComplexAlmostEqual2 (ref[i], x[i], abs_eps, rel_eps, msg)
except self.failureException, e:
#sys.stderr.write("index = %d " % (i,))
#sys.stderr.write("%s\n" % (e,))
raise
def assertFloatTuplesAlmostEqual (self, a, b, places=7, msg=None):
self.assertEqual (len(a), len(b))
for i in xrange (len(a)):
self.assertAlmostEqual (a[i], b[i], places, msg)
def assertFloatTuplesAlmostEqual2 (self, ref, x,
abs_eps=1e-12, rel_eps=1e-6, msg=None):
self.assertEqual (len(ref), len(x))
for i in xrange (len(ref)):
try:
self.assertComplexAlmostEqual2 (ref[i], x[i], abs_eps, rel_eps, msg)
except self.failureException, e:
#sys.stderr.write("index = %d " % (i,))
#sys.stderr.write("%s\n" % (e,))
raise
TestResult = unittest.TestResult
TestSuite = unittest.TestSuite
FunctionTestCase = unittest.FunctionTestCase
TestLoader = unittest.TestLoader
TextTestRunner = unittest.TextTestRunner
TestProgram = unittest.TestProgram
main = TestProgram
def run(PUT, filename=None):
'''
Runs the unittest on a TestCase and produces an optional XML report
PUT: the program under test and should be a gr_unittest.TestCase
filename: an optional filename to save the XML report of the tests
this will live in ./.unittests/python
'''
# Run this is given a file name
if(filename is not None):
basepath = "./.unittests"
path = basepath + "/python"
if not os.path.exists(basepath):
os.makedirs(basepath, 0750)
xmlrunner = None
# only proceed if .unittests is writable
st = os.stat(basepath)[stat.ST_MODE]
if(st & stat.S_IWUSR > 0):
# Test if path exists; if not, build it
if not os.path.exists(path):
os.makedirs(path, 0750)
# Just for safety: make sure we can write here, too
st = os.stat(path)[stat.ST_MODE]
if(st & stat.S_IWUSR > 0):
# Create an XML runner to filename
fout = file(path+"/"+filename, "w")
xmlrunner = gr_xmlrunner.XMLTestRunner(fout)
txtrunner = TextTestRunner(verbosity=1)
# Run the test; runner also creates XML output file
# FIXME: make xmlrunner output to screen so we don't have to do run and main
suite = TestLoader().loadTestsFromTestCase(PUT)
# use the xmlrunner if we can write the the directory
if(xmlrunner is not None):
xmlrunner.run(suite)
main()
# This will run and fail make check if problem
# but does not output to screen.
#main(testRunner = xmlrunner)
else:
# If no filename is given, just run the test
main()
##############################################################################
# Executing this module from the command line
##############################################################################
if __name__ == "__main__":
main(module=None)
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