root / test / py / ganeti.utils.wrapper_unittest.py @ 3fc1dc2f
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007, 2010, 2011 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for testing ganeti.utils.wrapper"""
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import errno |
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import fcntl |
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import os |
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import socket |
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import tempfile |
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import unittest |
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import shutil |
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from ganeti import constants |
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from ganeti import utils |
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import testutils |
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class TestSetCloseOnExecFlag(unittest.TestCase): |
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"""Tests for SetCloseOnExecFlag"""
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def setUp(self): |
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self.tmpfile = tempfile.TemporaryFile()
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def testEnable(self): |
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utils.SetCloseOnExecFlag(self.tmpfile.fileno(), True) |
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self.failUnless(fcntl.fcntl(self.tmpfile.fileno(), fcntl.F_GETFD) & |
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fcntl.FD_CLOEXEC) |
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def testDisable(self): |
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utils.SetCloseOnExecFlag(self.tmpfile.fileno(), False) |
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self.failIf(fcntl.fcntl(self.tmpfile.fileno(), fcntl.F_GETFD) & |
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fcntl.FD_CLOEXEC) |
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class TestSetNonblockFlag(unittest.TestCase): |
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def setUp(self): |
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self.tmpfile = tempfile.TemporaryFile()
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def testEnable(self): |
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utils.SetNonblockFlag(self.tmpfile.fileno(), True) |
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self.failUnless(fcntl.fcntl(self.tmpfile.fileno(), fcntl.F_GETFL) & |
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os.O_NONBLOCK) |
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def testDisable(self): |
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utils.SetNonblockFlag(self.tmpfile.fileno(), False) |
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self.failIf(fcntl.fcntl(self.tmpfile.fileno(), fcntl.F_GETFL) & |
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os.O_NONBLOCK) |
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class TestIgnoreProcessNotFound(unittest.TestCase): |
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@staticmethod
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def _WritePid(fd): |
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os.write(fd, str(os.getpid()))
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os.close(fd) |
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return True |
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def test(self): |
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(pid_read_fd, pid_write_fd) = os.pipe() |
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# Start short-lived process which writes its PID to pipe
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self.assert_(utils.RunInSeparateProcess(self._WritePid, pid_write_fd)) |
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os.close(pid_write_fd) |
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# Read PID from pipe
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pid = int(os.read(pid_read_fd, 1024)) |
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os.close(pid_read_fd) |
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# Try to send signal to process which exited recently
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self.assertFalse(utils.IgnoreProcessNotFound(os.kill, pid, 0)) |
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class TestIgnoreSignals(unittest.TestCase): |
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"""Test the IgnoreSignals decorator"""
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@staticmethod
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def _Raise(exception): |
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raise exception
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@staticmethod
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def _Return(rval): |
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return rval
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def testIgnoreSignals(self): |
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sock_err_intr = socket.error(errno.EINTR, "Message")
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sock_err_inval = socket.error(errno.EINVAL, "Message")
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env_err_intr = EnvironmentError(errno.EINTR, "Message") |
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env_err_inval = EnvironmentError(errno.EINVAL, "Message") |
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self.assertRaises(socket.error, self._Raise, sock_err_intr) |
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self.assertRaises(socket.error, self._Raise, sock_err_inval) |
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self.assertRaises(EnvironmentError, self._Raise, env_err_intr) |
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self.assertRaises(EnvironmentError, self._Raise, env_err_inval) |
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self.assertEquals(utils.IgnoreSignals(self._Raise, sock_err_intr), None) |
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self.assertEquals(utils.IgnoreSignals(self._Raise, env_err_intr), None) |
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self.assertRaises(socket.error, utils.IgnoreSignals, self._Raise, |
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sock_err_inval) |
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self.assertRaises(EnvironmentError, utils.IgnoreSignals, self._Raise, |
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env_err_inval) |
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self.assertEquals(utils.IgnoreSignals(self._Return, True), True) |
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self.assertEquals(utils.IgnoreSignals(self._Return, 33), 33) |
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class TestIsExecutable(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testNonExisting(self): |
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fname = utils.PathJoin(self.tmpdir, "file") |
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assert not os.path.exists(fname) |
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self.assertFalse(utils.IsExecutable(fname))
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def testNoFile(self): |
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path = utils.PathJoin(self.tmpdir, "something") |
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os.mkdir(path) |
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assert os.path.isdir(path)
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self.assertFalse(utils.IsExecutable(path))
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def testExecutable(self): |
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fname = utils.PathJoin(self.tmpdir, "file") |
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utils.WriteFile(fname, data="#!/bin/bash", mode=0700) |
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assert os.path.exists(fname)
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self.assertTrue(utils.IsExecutable(fname))
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self.assertTrue(self._TestSymlink(fname)) |
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def testFileNotExecutable(self): |
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fname = utils.PathJoin(self.tmpdir, "file") |
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utils.WriteFile(fname, data="#!/bin/bash", mode=0600) |
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assert os.path.exists(fname)
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self.assertFalse(utils.IsExecutable(fname))
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self.assertFalse(self._TestSymlink(fname)) |
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def _TestSymlink(self, fname): |
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assert os.path.exists(fname)
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linkname = utils.PathJoin(self.tmpdir, "cmd") |
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os.symlink(fname, linkname) |
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assert os.path.islink(linkname)
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return utils.IsExecutable(linkname)
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |