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#!/usr/bin/env python3
# Copyright 2007 Google Inc.
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
#
"""Tests for distcc_pump_c_extensions.
Writes out doc strings and calls some distcc rpc functions. Also, the program
times the speed-up of using the libc versions of os.path.realpath and
os.path.exists provided by distcc_pump_c_extensions.
"""
__author__ = 'opensource@google.com'
import os.path
import random
import sys
import time
import distcc_pump_c_extensions
def RunTest(random_filename):
def _MakeTempFile(mode):
return open(random_filename, mode)
# Exercise metainformation and documentation strings
assert distcc_pump_c_extensions.__file__
assert distcc_pump_c_extensions.__doc__
assert distcc_pump_c_extensions.__author__
assert distcc_pump_c_extensions.RTokenString.__doc__
assert distcc_pump_c_extensions.RArgv.__doc__
assert distcc_pump_c_extensions.XArgv.__doc__
assert distcc_pump_c_extensions.OsPathExists.__doc__
assert distcc_pump_c_extensions.OsPathIsFile.__doc__
assert distcc_pump_c_extensions.Realpath.__doc__
# RTokenString and RArgv
# Pack something and try sending it
fd = _MakeTempFile('wb')
fd.write(b'ARGC 2')
fd.write(b'ARGV 6')
fd.write(b'tomato')
fd.write(b'ARGV 7')
fd.write(b'potatos')
fd.close()
# Now try to read it back with wrong expectations.
fd = _MakeTempFile('rb')
try:
two_string = distcc_pump_c_extensions.RTokenString(fd.fileno(), 'XXXX')
sys.exit('internal error 1 - we should not get to here')
except distcc_pump_c_extensions.Error:
pass
# Read it back with appropriate expectations.
fd.seek(0)
two_string = distcc_pump_c_extensions.RTokenString(fd.fileno(), 'ARGC')
if two_string != 'AR':
raise distcc_pump_c_extensions.error('internal error 2')
fd.seek(0)
args = distcc_pump_c_extensions.RArgv(fd.fileno())
if args != ['tomato', 'potatos']:
raise distcc_pump_c_extensions.error('internal error 3')
fd.close()
# XArgv and RArgv
fd = _MakeTempFile('wb')
darth_vader_barney = ['Darth Vader', 'Barney']
args = distcc_pump_c_extensions.XArgv(fd.fileno(), darth_vader_barney)
fd.close()
fd = _MakeTempFile('r')
args = distcc_pump_c_extensions.RArgv(fd.fileno())
if args != darth_vader_barney:
raise distcc_pump_c_extensions.error('internal error 4')
fd.close()
# Libc functions --- also print out how fast they are compared to
# Python built-ins.
t = time.time()
f = '/'
for unused_i in range(10000):
distcc_pump_c_extensions.OsPathExists(f)
print('Stat', time.time() - t)
t = time.time()
for unused_i in range(10000):
os.path.exists(f)
print('os.path.exists', time.time() - t)
for unused_i in range(10000):
distcc_pump_c_extensions.Realpath(f)
print('c_realpath', time.time() - t)
t = time.time()
for unused_i in range(10000):
os.path.realpath(f)
print('os.path.realpath', time.time() - t)
print('c_extenstions_test passed')
def main():
# Module tempfile doesn't work with distcc. Work-around follows.
random_testdir = ('/tmp/distcc-pump-c-extensions-test-%s.%s'
% (os.getuid(), random.random() * time.time()))
try:
if os.path.exists(random_testdir):
os.removedirs(random_testdir)
os.mkdir(random_testdir)
except (IOError, OSError) as why:
sys.exit('Unable to create test dir %s: %s.' % (random_testdir, why))
random_filename = os.path.join(random_testdir, 'test')
assert not os.path.exists(random_filename), random_filename
try:
RunTest(random_filename)
finally:
if os.path.exists(random_filename):
os.unlink(random_filename)
if os.path.exists(random_testdir):
os.removedirs(random_testdir)
main()
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