def testNamedTempFile(self):
f = tempfile.NamedTemporaryFile()
fd = FD(f.fileno())
# tempfile APIs set cloexec = True for added security
fd.set_cloexec(False)
self.checkSubprocessFDs([fd], close=False)
del f
def testNamedTempFile(self):
f = tempfile.NamedTemporaryFile()
fd = FD(f.fileno())
# tempfile APIs set cloexec = True for added security
fd.set_cloexec(False)
self.checkSubprocessFDs([fd], close=False)
del f
def testWriteAfterClose(self):
r, w = os.pipe()
fw = FD(w)
fw.close()
try:
with self.assertRaises(OSError) as ar:
fw.write("oops")
self.assertEquals(ar.exception.errno, errno.EBADF)
finally:
FD(r).close()
def testNonblocking(self):
r, w = os.pipe()
fr = FD(r)
try:
fr.set_nonblocking()
with self.assertRaises(OSError) as ar:
fr.read(1)
self.assertEquals(ar.exception.errno, errno.EAGAIN)
finally:
fr.close()
FD(w).close()
def testKqueue(self):
k = select.kqueue()
fd = FD(k)
try:
self.checkSubprocessFDs([fd], close=False)
finally:
del k
def testReuse(self):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('127.0.0.1', 0))
host, port = s.getsockname()
s2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
with self.assertRaises(socket.error):
s2.bind(('127.0.0.1', port))
FD(s).socket.set_reuse()
with self.assertRaises(socket.error):
s2.bind(('127.0.0.1', port))
FD(s2).socket.set_reuse()
s2.bind(('127.0.0.1', port))
def testPipeCloseOnExcecute(self):
r, w = os.pipe()
# Set close on execute on this guy
FD(w).set_cloexec()
try:
# Create a subprocess that prints and blocks waiting for input
p = Popen("echo ok; read foo",
shell=True,
stdin=PIPE,
stdout=PIPE,
stderr=STDOUT)
try:
# Wait for the process to let us know it's alive
ready = p.stdout.read(3)
self.assertEquals(ready, "ok\n")
# Get the list of FDs of the remote process
remote_fds = get_open_fds(p.pid)
# Make sure the read fd persisted, but the write fd was not.
self.assertIn(r, remote_fds)
self.assertNotIn(w, remote_fds)
# As an added check, make sure the mode flags on the remote
# and local process' fds are identical
self.assertEquals(FD(r, p.pid).mode, FD(r).mode)
# Now send some output to the remote process to unblock it
p.stdin.write("ok\n")
p.stdin.flush()
# Wait for it to shutdown
self.assertEquals(p.wait(), 0)
finally:
# Popen does not close PIPE fds on process shutdown
# automatically, even if there's no data in it. Since the
# exception context is propagated to the test cases' tearDown,
# the popen's pipes will show up as a leak
if p.poll() is None:
p.kill()
self.assertEquals(p.wait(), -9)
del p
finally:
FD(r).close()
FD(w).close()
def testNotASocket(self):
r, w = os.pipe()
try:
with self.assertRaises(TypeError):
FD(r).socket
finally:
os.close(r)
os.close(w)
def testEquals(self):
tf = tempfile.TemporaryFile()
fds = self.getNewFDs()
self.assertEquals(len(fds), 1)
fd = fds[0]
self.assertEquals(fd, FD(tf.fileno()))
self.assertEquals(fd, tf.fileno())
self.assertNotEquals(fd, object())
def testWriteAfterClose(self):
r, w = os.pipe()
fw = FD(w)
fw.close()
try:
with self.assertRaises(OSError) as ar:
fw.write("oops")
self.assertEquals(ar.exception.errno, errno.EBADF)
finally:
FD(r).close()
def testNonblocking(self):
r, w = os.pipe()
fr = FD(r)
try:
fr.set_nonblocking()
with self.assertRaises(OSError) as ar:
fr.read(1)
self.assertEquals(ar.exception.errno, errno.EAGAIN)
finally:
fr.close()
FD(w).close()
def checkSubprocessFDs(self, check_fds, close=True):
try:
# Create a subprocess that prints and blocks waiting for input
p = Popen("echo ok; read foo",
shell=True,
stdin=PIPE,
stdout=PIPE,
stderr=STDOUT)
try:
# Wait for the process to let us know it's alive
ready = p.stdout.read(3)
self.assertEquals(ready, "ok\n")
# Get the list of FDs of the remote process
remote_fds = get_open_fds(p.pid)
# Make sure the check_fds persisted and have an identical mode
for fd in check_fds:
self.assertIn(fd, remote_fds)
self.assertEquals(FD(int(fd), p.pid).mode, fd.mode)
# Now send some output to the remote process to unblock it
p.stdin.write("ok\n")
p.stdin.flush()
# Wait for it to shutdown
self.assertEquals(p.wait(), 0)
finally:
# Popen does not close PIPE fds on process shutdown
# automatically, even if there's no data in it. Since the
# exception context is propagated to the test cases' tearDown,
# the popen's pipes will show up as a leak
if p.poll() is None:
p.kill()
self.assertEquals(p.wait(), -9)
del p
finally:
if close:
for fd in check_fds:
fd.close()
def testSocket(self):
import socket
s = socket.socket()
self.checkSubprocessFDs([FD(s.fileno())])
del s
def testEpoll(self):
e = select.epoll()
fd = FD(e)
self.checkSubprocessFDs([fd], close=False)
del e
def send(sock, fds):
for fd in fds:
FD(sock).socket.send_fd(fd)
def recv(sock, n_fds):
return FD(sock).socket.recv_fds(n_fds)
def send(sock, fds):
FD(sock).socket.send_fds(fds)
def testReadWrite(self):
r, w = os.pipe()
self.assertEquals(FD(w).write("OK"), 2)
self.assertEquals(FD(r).read(2), "OK")
FD(r).close()
FD(w).close()
def recv(sock, n_fds):
result = []
for i in xrange(n_fds):
result.append(FD(sock).socket.recv_fd())
return result
