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# Copyright 1998-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import errno
import io
import sys
import tempfile
from portage import os
from portage import _encodings
from portage import _unicode_encode
from portage.const import BASH_BINARY
from portage.tests import TestCase
from _emerge.SpawnProcess import SpawnProcess
from _emerge.PollScheduler import PollScheduler
class SpawnTestCase(TestCase):
def testLogfile(self):
logfile = None
try:
fd, logfile = tempfile.mkstemp()
os.close(fd)
null_fd = os.open('/dev/null', os.O_RDWR)
test_string = 2 * "blah blah blah\n"
scheduler = PollScheduler().sched_iface
proc = SpawnProcess(
args=[BASH_BINARY, "-c",
"echo -n '%s'" % test_string],
env={}, fd_pipes={0:sys.stdin.fileno(), 1:null_fd, 2:null_fd},
scheduler=scheduler,
logfile=logfile)
proc.start()
os.close(null_fd)
self.assertEqual(proc.wait(), os.EX_OK)
f = io.open(_unicode_encode(logfile,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['content'], errors='strict')
log_content = f.read()
f.close()
# When logging passes through a pty, this comparison will fail
# unless the oflag terminal attributes have the termios.OPOST
# bit disabled. Otherwise, tranformations such as \n -> \r\n
# may occur.
self.assertEqual(test_string, log_content)
finally:
if logfile:
try:
os.unlink(logfile)
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
del e
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