root / test / ganeti.utils_unittest.py @ 09352fa4
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007 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 unittesting the utils module"""
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import unittest |
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import os |
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import time |
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import tempfile |
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import os.path |
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import os |
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import md5 |
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import signal |
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import socket |
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import shutil |
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import re |
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import select |
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import ganeti |
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import testutils |
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from ganeti import constants |
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from ganeti import utils |
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from ganeti.utils import IsProcessAlive, RunCmd, \ |
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RemoveFile, CheckDict, MatchNameComponent, FormatUnit, \ |
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ParseUnit, AddAuthorizedKey, RemoveAuthorizedKey, \ |
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ShellQuote, ShellQuoteArgs, TcpPing, ListVisibleFiles, \ |
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SetEtcHostsEntry, RemoveEtcHostsEntry, FirstFree, OwnIpAddress |
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from ganeti.errors import LockError, UnitParseError, GenericError, \ |
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ProgrammerError
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class TestIsProcessAlive(unittest.TestCase): |
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"""Testing case for IsProcessAlive"""
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def _CreateZombie(self): |
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# create a zombie
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r_fd, w_fd = os.pipe() |
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pid_zombie = os.fork() |
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if pid_zombie == 0: |
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# explicit close of read, write end will be closed only due to exit
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os.close(r_fd) |
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os._exit(0)
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elif pid_zombie < 0: |
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raise SystemError("can't fork") |
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# parent: we close our end of the w_fd, so reads will error as
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# soon as the OS cleans the child's filedescriptors on its exit
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os.close(w_fd) |
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# wait for 60 seconds at max for the exit (pathological case, just
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# so that the test doesn't hang indefinitely)
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r_set, w_set, e_set = select.select([r_fd], [], [], 60)
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if not r_set and not e_set: |
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self.fail("Timeout exceeded in zombie creation") |
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return pid_zombie
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def testExists(self): |
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mypid = os.getpid() |
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self.assert_(IsProcessAlive(mypid),
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"can't find myself running")
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def testZombie(self): |
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pid_zombie = self._CreateZombie()
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is_zombie = not IsProcessAlive(pid_zombie)
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self.assert_(is_zombie, "zombie not detected as zombie") |
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os.waitpid(pid_zombie, os.WNOHANG) |
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def testNotExisting(self): |
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pid_non_existing = os.fork() |
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if pid_non_existing == 0: |
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os._exit(0)
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elif pid_non_existing < 0: |
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raise SystemError("can't fork") |
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os.waitpid(pid_non_existing, 0)
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self.assert_(not IsProcessAlive(pid_non_existing), |
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"nonexisting process detected")
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class TestPidFileFunctions(unittest.TestCase): |
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"""Tests for WritePidFile, RemovePidFile and ReadPidFile"""
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def setUp(self): |
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self.dir = tempfile.mkdtemp()
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self.f_dpn = lambda name: os.path.join(self.dir, "%s.pid" % name) |
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utils.DaemonPidFileName = self.f_dpn
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def testPidFileFunctions(self): |
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pid_file = self.f_dpn('test') |
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utils.WritePidFile('test')
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self.failUnless(os.path.exists(pid_file),
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"PID file should have been created")
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read_pid = utils.ReadPidFile(pid_file) |
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self.failUnlessEqual(read_pid, os.getpid())
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self.failUnless(utils.IsProcessAlive(read_pid))
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self.failUnlessRaises(GenericError, utils.WritePidFile, 'test') |
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utils.RemovePidFile('test')
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self.failIf(os.path.exists(pid_file),
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"PID file should not exist anymore")
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self.failUnlessEqual(utils.ReadPidFile(pid_file), 0, |
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"ReadPidFile should return 0 for missing pid file")
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fh = open(pid_file, "w") |
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fh.write("blah\n")
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fh.close() |
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self.failUnlessEqual(utils.ReadPidFile(pid_file), 0, |
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"ReadPidFile should return 0 for invalid pid file")
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utils.RemovePidFile('test')
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self.failIf(os.path.exists(pid_file),
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"PID file should not exist anymore")
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def testKill(self): |
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pid_file = self.f_dpn('child') |
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r_fd, w_fd = os.pipe() |
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new_pid = os.fork() |
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if new_pid == 0: #child |
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utils.WritePidFile('child')
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os.write(w_fd, 'a')
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signal.pause() |
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os._exit(0)
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return
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# else we are in the parent
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# wait until the child has written the pid file
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os.read(r_fd, 1)
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read_pid = utils.ReadPidFile(pid_file) |
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self.failUnlessEqual(read_pid, new_pid)
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self.failUnless(utils.IsProcessAlive(new_pid))
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utils.KillProcess(new_pid) |
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self.failIf(utils.IsProcessAlive(new_pid))
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utils.RemovePidFile('child')
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self.failUnlessRaises(ProgrammerError, utils.KillProcess, 0) |
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def tearDown(self): |
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for name in os.listdir(self.dir): |
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os.unlink(os.path.join(self.dir, name))
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os.rmdir(self.dir)
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class TestRunCmd(unittest.TestCase): |
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"""Testing case for the RunCmd function"""
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def setUp(self): |
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self.magic = time.ctime() + " ganeti test" |
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def testOk(self): |
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"""Test successful exit code"""
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result = RunCmd("/bin/sh -c 'exit 0'")
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self.assertEqual(result.exit_code, 0) |
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def testFail(self): |
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"""Test fail exit code"""
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result = RunCmd("/bin/sh -c 'exit 1'")
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self.assertEqual(result.exit_code, 1) |
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def testStdout(self): |
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"""Test standard output"""
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cmd = 'echo -n "%s"' % self.magic |
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result = RunCmd("/bin/sh -c '%s'" % cmd)
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self.assertEqual(result.stdout, self.magic) |
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def testStderr(self): |
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"""Test standard error"""
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cmd = 'echo -n "%s"' % self.magic |
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result = RunCmd("/bin/sh -c '%s' 1>&2" % cmd)
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self.assertEqual(result.stderr, self.magic) |
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def testCombined(self): |
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"""Test combined output"""
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cmd = 'echo -n "A%s"; echo -n "B%s" 1>&2' % (self.magic, self.magic) |
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result = RunCmd("/bin/sh -c '%s'" % cmd)
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self.assertEqual(result.output, "A" + self.magic + "B" + self.magic) |
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def testSignal(self): |
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"""Test signal"""
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result = RunCmd(["python", "-c", "import os; os.kill(os.getpid(), 15)"]) |
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self.assertEqual(result.signal, 15) |
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def testListRun(self): |
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"""Test list runs"""
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result = RunCmd(["true"])
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 0) |
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result = RunCmd(["/bin/sh", "-c", "exit 1"]) |
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 1) |
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result = RunCmd(["echo", "-n", self.magic]) |
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 0) |
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self.assertEqual(result.stdout, self.magic) |
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def testLang(self): |
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"""Test locale environment"""
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old_env = os.environ.copy() |
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try:
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os.environ["LANG"] = "en_US.UTF-8" |
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os.environ["LC_ALL"] = "en_US.UTF-8" |
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result = RunCmd(["locale"])
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for line in result.output.splitlines(): |
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key, value = line.split("=", 1) |
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# Ignore these variables, they're overridden by LC_ALL
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if key == "LANG" or key == "LANGUAGE": |
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continue
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self.failIf(value and value != "C" and value != '"C"', |
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"Variable %s is set to the invalid value '%s'" % (key, value))
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finally:
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os.environ = old_env |
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class TestRemoveFile(unittest.TestCase): |
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"""Test case for the RemoveFile function"""
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def setUp(self): |
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"""Create a temp dir and file for each case"""
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self.tmpdir = tempfile.mkdtemp('', 'ganeti-unittest-') |
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fd, self.tmpfile = tempfile.mkstemp('', '', self.tmpdir) |
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os.close(fd) |
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def tearDown(self): |
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if os.path.exists(self.tmpfile): |
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os.unlink(self.tmpfile)
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os.rmdir(self.tmpdir)
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def testIgnoreDirs(self): |
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"""Test that RemoveFile() ignores directories"""
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self.assertEqual(None, RemoveFile(self.tmpdir)) |
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def testIgnoreNotExisting(self): |
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"""Test that RemoveFile() ignores non-existing files"""
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RemoveFile(self.tmpfile)
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RemoveFile(self.tmpfile)
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def testRemoveFile(self): |
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"""Test that RemoveFile does remove a file"""
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RemoveFile(self.tmpfile)
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if os.path.exists(self.tmpfile): |
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self.fail("File '%s' not removed" % self.tmpfile) |
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def testRemoveSymlink(self): |
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"""Test that RemoveFile does remove symlinks"""
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symlink = self.tmpdir + "/symlink" |
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os.symlink("no-such-file", symlink)
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RemoveFile(symlink) |
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if os.path.exists(symlink):
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self.fail("File '%s' not removed" % symlink) |
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os.symlink(self.tmpfile, symlink)
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RemoveFile(symlink) |
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if os.path.exists(symlink):
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self.fail("File '%s' not removed" % symlink) |
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class TestCheckdict(unittest.TestCase): |
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"""Test case for the CheckDict function"""
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def testAdd(self): |
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"""Test that CheckDict adds a missing key with the correct value"""
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tgt = {'a':1}
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tmpl = {'b': 2}
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CheckDict(tgt, tmpl) |
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if 'b' not in tgt or tgt['b'] != 2: |
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self.fail("Failed to update dict") |
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def testNoUpdate(self): |
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"""Test that CheckDict does not overwrite an existing key"""
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tgt = {'a':1, 'b': 3}
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tmpl = {'b': 2}
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CheckDict(tgt, tmpl) |
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self.failUnlessEqual(tgt['b'], 3) |
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class TestMatchNameComponent(unittest.TestCase): |
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"""Test case for the MatchNameComponent function"""
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def testEmptyList(self): |
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"""Test that there is no match against an empty list"""
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self.failUnlessEqual(MatchNameComponent("", []), None) |
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self.failUnlessEqual(MatchNameComponent("test", []), None) |
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def testSingleMatch(self): |
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"""Test that a single match is performed correctly"""
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mlist = ["test1.example.com", "test2.example.com", "test3.example.com"] |
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for key in "test2", "test2.example", "test2.example.com": |
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self.failUnlessEqual(MatchNameComponent(key, mlist), mlist[1]) |
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def testMultipleMatches(self): |
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"""Test that a multiple match is returned as None"""
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mlist = ["test1.example.com", "test1.example.org", "test1.example.net"] |
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for key in "test1", "test1.example": |
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self.failUnlessEqual(MatchNameComponent(key, mlist), None) |
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class TestFormatUnit(unittest.TestCase): |
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"""Test case for the FormatUnit function"""
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def testMiB(self): |
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self.assertEqual(FormatUnit(1), '1M') |
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self.assertEqual(FormatUnit(100), '100M') |
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self.assertEqual(FormatUnit(1023), '1023M') |
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def testGiB(self): |
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self.assertEqual(FormatUnit(1024), '1.0G') |
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self.assertEqual(FormatUnit(1536), '1.5G') |
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self.assertEqual(FormatUnit(17133), '16.7G') |
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self.assertEqual(FormatUnit(1024 * 1024 - 1), '1024.0G') |
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def testTiB(self): |
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self.assertEqual(FormatUnit(1024 * 1024), '1.0T') |
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self.assertEqual(FormatUnit(5120 * 1024), '5.0T') |
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self.assertEqual(FormatUnit(29829 * 1024), '29.1T') |
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class TestParseUnit(unittest.TestCase): |
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"""Test case for the ParseUnit function"""
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SCALES = (('', 1), |
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('M', 1), ('G', 1024), ('T', 1024 * 1024), |
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('MB', 1), ('GB', 1024), ('TB', 1024 * 1024), |
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('MiB', 1), ('GiB', 1024), ('TiB', 1024 * 1024)) |
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def testRounding(self): |
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self.assertEqual(ParseUnit('0'), 0) |
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self.assertEqual(ParseUnit('1'), 4) |
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self.assertEqual(ParseUnit('2'), 4) |
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self.assertEqual(ParseUnit('3'), 4) |
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self.assertEqual(ParseUnit('124'), 124) |
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self.assertEqual(ParseUnit('125'), 128) |
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self.assertEqual(ParseUnit('126'), 128) |
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self.assertEqual(ParseUnit('127'), 128) |
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self.assertEqual(ParseUnit('128'), 128) |
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self.assertEqual(ParseUnit('129'), 132) |
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self.assertEqual(ParseUnit('130'), 132) |
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def testFloating(self): |
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self.assertEqual(ParseUnit('0'), 0) |
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self.assertEqual(ParseUnit('0.5'), 4) |
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self.assertEqual(ParseUnit('1.75'), 4) |
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self.assertEqual(ParseUnit('1.99'), 4) |
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self.assertEqual(ParseUnit('2.00'), 4) |
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self.assertEqual(ParseUnit('2.01'), 4) |
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self.assertEqual(ParseUnit('3.99'), 4) |
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self.assertEqual(ParseUnit('4.00'), 4) |
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self.assertEqual(ParseUnit('4.01'), 8) |
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self.assertEqual(ParseUnit('1.5G'), 1536) |
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self.assertEqual(ParseUnit('1.8G'), 1844) |
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self.assertEqual(ParseUnit('8.28T'), 8682212) |
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def testSuffixes(self): |
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for sep in ('', ' ', ' ', "\t", "\t "): |
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for suffix, scale in TestParseUnit.SCALES: |
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for func in (lambda x: x, str.lower, str.upper): |
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self.assertEqual(ParseUnit('1024' + sep + func(suffix)), |
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1024 * scale)
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def testInvalidInput(self): |
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for sep in ('-', '_', ',', 'a'): |
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for suffix, _ in TestParseUnit.SCALES: |
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self.assertRaises(UnitParseError, ParseUnit, '1' + sep + suffix) |
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for suffix, _ in TestParseUnit.SCALES: |
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self.assertRaises(UnitParseError, ParseUnit, '1,3' + suffix) |
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class TestSshKeys(testutils.GanetiTestCase): |
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"""Test case for the AddAuthorizedKey function"""
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KEY_A = 'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a'
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KEY_B = ('command="/usr/bin/fooserver -t --verbose",from="1.2.3.4" '
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'ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b')
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def setUp(self): |
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(fd, self.tmpname) = tempfile.mkstemp(prefix='ganeti-test') |
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try:
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handle = os.fdopen(fd, 'w')
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try:
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handle.write("%s\n" % TestSshKeys.KEY_A)
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handle.write("%s\n" % TestSshKeys.KEY_B)
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finally:
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handle.close() |
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except:
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utils.RemoveFile(self.tmpname)
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raise
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def tearDown(self): |
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utils.RemoveFile(self.tmpname)
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del self.tmpname |
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def testAddingNewKey(self): |
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AddAuthorizedKey(self.tmpname, 'ssh-dss AAAAB3NzaC1kc3MAAACB root@test') |
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self.assertFileContent(self.tmpname, |
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"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
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'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
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" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
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"ssh-dss AAAAB3NzaC1kc3MAAACB root@test\n")
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def testAddingAlmostButNotCompletelyTheSameKey(self): |
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AddAuthorizedKey(self.tmpname,
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'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test')
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self.assertFileContent(self.tmpname, |
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"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
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'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
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" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
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"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test\n")
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def testAddingExistingKeyWithSomeMoreSpaces(self): |
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AddAuthorizedKey(self.tmpname,
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'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a')
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self.assertFileContent(self.tmpname, |
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"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
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'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
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" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
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def testRemovingExistingKeyWithSomeMoreSpaces(self): |
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RemoveAuthorizedKey(self.tmpname,
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'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a')
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self.assertFileContent(self.tmpname, |
| 444 |
'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
|
| 445 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
| 446 |
|
| 447 |
def testRemovingNonExistingKey(self): |
| 448 |
RemoveAuthorizedKey(self.tmpname,
|
| 449 |
'ssh-dss AAAAB3Nsdfj230xxjxJjsjwjsjdjU root@test')
|
| 450 |
|
| 451 |
self.assertFileContent(self.tmpname, |
| 452 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
| 453 |
'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
|
| 454 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
| 455 |
|
| 456 |
|
| 457 |
class TestEtcHosts(testutils.GanetiTestCase): |
| 458 |
"""Test functions modifying /etc/hosts"""
|
| 459 |
|
| 460 |
def setUp(self): |
| 461 |
(fd, self.tmpname) = tempfile.mkstemp(prefix='ganeti-test') |
| 462 |
try:
|
| 463 |
handle = os.fdopen(fd, 'w')
|
| 464 |
try:
|
| 465 |
handle.write('# This is a test file for /etc/hosts\n')
|
| 466 |
handle.write('127.0.0.1\tlocalhost\n')
|
| 467 |
handle.write('192.168.1.1 router gw\n')
|
| 468 |
finally:
|
| 469 |
handle.close() |
| 470 |
except:
|
| 471 |
utils.RemoveFile(self.tmpname)
|
| 472 |
raise
|
| 473 |
|
| 474 |
def tearDown(self): |
| 475 |
utils.RemoveFile(self.tmpname)
|
| 476 |
del self.tmpname |
| 477 |
|
| 478 |
def testSettingNewIp(self): |
| 479 |
SetEtcHostsEntry(self.tmpname, '1.2.3.4', 'myhost.domain.tld', ['myhost']) |
| 480 |
|
| 481 |
self.assertFileContent(self.tmpname, |
| 482 |
"# This is a test file for /etc/hosts\n"
|
| 483 |
"127.0.0.1\tlocalhost\n"
|
| 484 |
"192.168.1.1 router gw\n"
|
| 485 |
"1.2.3.4\tmyhost.domain.tld myhost\n")
|
| 486 |
|
| 487 |
def testSettingExistingIp(self): |
| 488 |
SetEtcHostsEntry(self.tmpname, '192.168.1.1', 'myhost.domain.tld', |
| 489 |
['myhost'])
|
| 490 |
|
| 491 |
self.assertFileContent(self.tmpname, |
| 492 |
"# This is a test file for /etc/hosts\n"
|
| 493 |
"127.0.0.1\tlocalhost\n"
|
| 494 |
"192.168.1.1\tmyhost.domain.tld myhost\n")
|
| 495 |
|
| 496 |
def testSettingDuplicateName(self): |
| 497 |
SetEtcHostsEntry(self.tmpname, '1.2.3.4', 'myhost', ['myhost']) |
| 498 |
|
| 499 |
self.assertFileContent(self.tmpname, |
| 500 |
"# This is a test file for /etc/hosts\n"
|
| 501 |
"127.0.0.1\tlocalhost\n"
|
| 502 |
"192.168.1.1 router gw\n"
|
| 503 |
"1.2.3.4\tmyhost\n")
|
| 504 |
|
| 505 |
def testRemovingExistingHost(self): |
| 506 |
RemoveEtcHostsEntry(self.tmpname, 'router') |
| 507 |
|
| 508 |
self.assertFileContent(self.tmpname, |
| 509 |
"# This is a test file for /etc/hosts\n"
|
| 510 |
"127.0.0.1\tlocalhost\n"
|
| 511 |
"192.168.1.1 gw\n")
|
| 512 |
|
| 513 |
def testRemovingSingleExistingHost(self): |
| 514 |
RemoveEtcHostsEntry(self.tmpname, 'localhost') |
| 515 |
|
| 516 |
self.assertFileContent(self.tmpname, |
| 517 |
"# This is a test file for /etc/hosts\n"
|
| 518 |
"192.168.1.1 router gw\n")
|
| 519 |
|
| 520 |
def testRemovingNonExistingHost(self): |
| 521 |
RemoveEtcHostsEntry(self.tmpname, 'myhost') |
| 522 |
|
| 523 |
self.assertFileContent(self.tmpname, |
| 524 |
"# This is a test file for /etc/hosts\n"
|
| 525 |
"127.0.0.1\tlocalhost\n"
|
| 526 |
"192.168.1.1 router gw\n")
|
| 527 |
|
| 528 |
def testRemovingAlias(self): |
| 529 |
RemoveEtcHostsEntry(self.tmpname, 'gw') |
| 530 |
|
| 531 |
self.assertFileContent(self.tmpname, |
| 532 |
"# This is a test file for /etc/hosts\n"
|
| 533 |
"127.0.0.1\tlocalhost\n"
|
| 534 |
"192.168.1.1 router\n")
|
| 535 |
|
| 536 |
|
| 537 |
class TestShellQuoting(unittest.TestCase): |
| 538 |
"""Test case for shell quoting functions"""
|
| 539 |
|
| 540 |
def testShellQuote(self): |
| 541 |
self.assertEqual(ShellQuote('abc'), "abc") |
| 542 |
self.assertEqual(ShellQuote('ab"c'), "'ab\"c'") |
| 543 |
self.assertEqual(ShellQuote("a'bc"), "'a'\\''bc'") |
| 544 |
self.assertEqual(ShellQuote("a b c"), "'a b c'") |
| 545 |
self.assertEqual(ShellQuote("a b\\ c"), "'a b\\ c'") |
| 546 |
|
| 547 |
def testShellQuoteArgs(self): |
| 548 |
self.assertEqual(ShellQuoteArgs(['a', 'b', 'c']), "a b c") |
| 549 |
self.assertEqual(ShellQuoteArgs(['a', 'b"', 'c']), "a 'b\"' c") |
| 550 |
self.assertEqual(ShellQuoteArgs(['a', 'b\'', 'c']), "a 'b'\\\''' c") |
| 551 |
|
| 552 |
|
| 553 |
class TestTcpPing(unittest.TestCase): |
| 554 |
"""Testcase for TCP version of ping - against listen(2)ing port"""
|
| 555 |
|
| 556 |
def setUp(self): |
| 557 |
self.listener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
| 558 |
self.listener.bind((constants.LOCALHOST_IP_ADDRESS, 0)) |
| 559 |
self.listenerport = self.listener.getsockname()[1] |
| 560 |
self.listener.listen(1) |
| 561 |
|
| 562 |
def tearDown(self): |
| 563 |
self.listener.shutdown(socket.SHUT_RDWR)
|
| 564 |
del self.listener |
| 565 |
del self.listenerport |
| 566 |
|
| 567 |
def testTcpPingToLocalHostAccept(self): |
| 568 |
self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
|
| 569 |
self.listenerport,
|
| 570 |
timeout=10,
|
| 571 |
live_port_needed=True,
|
| 572 |
source=constants.LOCALHOST_IP_ADDRESS, |
| 573 |
), |
| 574 |
"failed to connect to test listener")
|
| 575 |
|
| 576 |
self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
|
| 577 |
self.listenerport,
|
| 578 |
timeout=10,
|
| 579 |
live_port_needed=True,
|
| 580 |
), |
| 581 |
"failed to connect to test listener (no source)")
|
| 582 |
|
| 583 |
|
| 584 |
class TestTcpPingDeaf(unittest.TestCase): |
| 585 |
"""Testcase for TCP version of ping - against non listen(2)ing port"""
|
| 586 |
|
| 587 |
def setUp(self): |
| 588 |
self.deaflistener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
| 589 |
self.deaflistener.bind((constants.LOCALHOST_IP_ADDRESS, 0)) |
| 590 |
self.deaflistenerport = self.deaflistener.getsockname()[1] |
| 591 |
|
| 592 |
def tearDown(self): |
| 593 |
del self.deaflistener |
| 594 |
del self.deaflistenerport |
| 595 |
|
| 596 |
def testTcpPingToLocalHostAcceptDeaf(self): |
| 597 |
self.failIf(TcpPing(constants.LOCALHOST_IP_ADDRESS,
|
| 598 |
self.deaflistenerport,
|
| 599 |
timeout=constants.TCP_PING_TIMEOUT, |
| 600 |
live_port_needed=True,
|
| 601 |
source=constants.LOCALHOST_IP_ADDRESS, |
| 602 |
), # need successful connect(2)
|
| 603 |
"successfully connected to deaf listener")
|
| 604 |
|
| 605 |
self.failIf(TcpPing(constants.LOCALHOST_IP_ADDRESS,
|
| 606 |
self.deaflistenerport,
|
| 607 |
timeout=constants.TCP_PING_TIMEOUT, |
| 608 |
live_port_needed=True,
|
| 609 |
), # need successful connect(2)
|
| 610 |
"successfully connected to deaf listener (no source addr)")
|
| 611 |
|
| 612 |
def testTcpPingToLocalHostNoAccept(self): |
| 613 |
self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
|
| 614 |
self.deaflistenerport,
|
| 615 |
timeout=constants.TCP_PING_TIMEOUT, |
| 616 |
live_port_needed=False,
|
| 617 |
source=constants.LOCALHOST_IP_ADDRESS, |
| 618 |
), # ECONNREFUSED is OK
|
| 619 |
"failed to ping alive host on deaf port")
|
| 620 |
|
| 621 |
self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
|
| 622 |
self.deaflistenerport,
|
| 623 |
timeout=constants.TCP_PING_TIMEOUT, |
| 624 |
live_port_needed=False,
|
| 625 |
), # ECONNREFUSED is OK
|
| 626 |
"failed to ping alive host on deaf port (no source addr)")
|
| 627 |
|
| 628 |
|
| 629 |
class TestOwnIpAddress(unittest.TestCase): |
| 630 |
"""Testcase for OwnIpAddress"""
|
| 631 |
|
| 632 |
def testOwnLoopback(self): |
| 633 |
"""check having the loopback ip"""
|
| 634 |
self.failUnless(OwnIpAddress(constants.LOCALHOST_IP_ADDRESS),
|
| 635 |
"Should own the loopback address")
|
| 636 |
|
| 637 |
def testNowOwnAddress(self): |
| 638 |
"""check that I don't own an address"""
|
| 639 |
|
| 640 |
# network 192.0.2.0/24 is reserved for test/documentation as per
|
| 641 |
# rfc 3330, so we *should* not have an address of this range... if
|
| 642 |
# this fails, we should extend the test to multiple addresses
|
| 643 |
DST_IP = "192.0.2.1"
|
| 644 |
self.failIf(OwnIpAddress(DST_IP), "Should not own IP address %s" % DST_IP) |
| 645 |
|
| 646 |
|
| 647 |
class TestListVisibleFiles(unittest.TestCase): |
| 648 |
"""Test case for ListVisibleFiles"""
|
| 649 |
|
| 650 |
def setUp(self): |
| 651 |
self.path = tempfile.mkdtemp()
|
| 652 |
|
| 653 |
def tearDown(self): |
| 654 |
shutil.rmtree(self.path)
|
| 655 |
|
| 656 |
def _test(self, files, expected): |
| 657 |
# Sort a copy
|
| 658 |
expected = expected[:] |
| 659 |
expected.sort() |
| 660 |
|
| 661 |
for name in files: |
| 662 |
f = open(os.path.join(self.path, name), 'w') |
| 663 |
try:
|
| 664 |
f.write("Test\n")
|
| 665 |
finally:
|
| 666 |
f.close() |
| 667 |
|
| 668 |
found = ListVisibleFiles(self.path)
|
| 669 |
found.sort() |
| 670 |
|
| 671 |
self.assertEqual(found, expected)
|
| 672 |
|
| 673 |
def testAllVisible(self): |
| 674 |
files = ["a", "b", "c"] |
| 675 |
expected = files |
| 676 |
self._test(files, expected)
|
| 677 |
|
| 678 |
def testNoneVisible(self): |
| 679 |
files = [".a", ".b", ".c"] |
| 680 |
expected = [] |
| 681 |
self._test(files, expected)
|
| 682 |
|
| 683 |
def testSomeVisible(self): |
| 684 |
files = ["a", "b", ".c"] |
| 685 |
expected = ["a", "b"] |
| 686 |
self._test(files, expected)
|
| 687 |
|
| 688 |
|
| 689 |
class TestNewUUID(unittest.TestCase): |
| 690 |
"""Test case for NewUUID"""
|
| 691 |
|
| 692 |
_re_uuid = re.compile('^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-'
|
| 693 |
'[a-f0-9]{4}-[a-f0-9]{12}$')
|
| 694 |
|
| 695 |
def runTest(self): |
| 696 |
self.failUnless(self._re_uuid.match(utils.NewUUID())) |
| 697 |
|
| 698 |
|
| 699 |
class TestUniqueSequence(unittest.TestCase): |
| 700 |
"""Test case for UniqueSequence"""
|
| 701 |
|
| 702 |
def _test(self, input, expected): |
| 703 |
self.assertEqual(utils.UniqueSequence(input), expected) |
| 704 |
|
| 705 |
def runTest(self): |
| 706 |
# Ordered input
|
| 707 |
self._test([1, 2, 3], [1, 2, 3]) |
| 708 |
self._test([1, 1, 2, 2, 3, 3], [1, 2, 3]) |
| 709 |
self._test([1, 2, 2, 3], [1, 2, 3]) |
| 710 |
self._test([1, 2, 3, 3], [1, 2, 3]) |
| 711 |
|
| 712 |
# Unordered input
|
| 713 |
self._test([1, 2, 3, 1, 2, 3], [1, 2, 3]) |
| 714 |
self._test([1, 1, 2, 3, 3, 1, 2], [1, 2, 3]) |
| 715 |
|
| 716 |
# Strings
|
| 717 |
self._test(["a", "a"], ["a"]) |
| 718 |
self._test(["a", "b"], ["a", "b"]) |
| 719 |
self._test(["a", "b", "a"], ["a", "b"]) |
| 720 |
|
| 721 |
|
| 722 |
class TestFirstFree(unittest.TestCase): |
| 723 |
"""Test case for the FirstFree function"""
|
| 724 |
|
| 725 |
def test(self): |
| 726 |
"""Test FirstFree"""
|
| 727 |
self.failUnlessEqual(FirstFree([0, 1, 3]), 2) |
| 728 |
self.failUnlessEqual(FirstFree([]), None) |
| 729 |
self.failUnlessEqual(FirstFree([3, 4, 6]), 0) |
| 730 |
self.failUnlessEqual(FirstFree([3, 4, 6], base=3), 5) |
| 731 |
self.failUnlessRaises(AssertionError, FirstFree, [0, 3, 4, 6], base=3) |
| 732 |
|
| 733 |
|
| 734 |
class TestFileLock(unittest.TestCase): |
| 735 |
"""Test case for the FileLock class"""
|
| 736 |
|
| 737 |
def setUp(self): |
| 738 |
self.tmpfile = tempfile.NamedTemporaryFile()
|
| 739 |
self.lock = utils.FileLock(self.tmpfile.name) |
| 740 |
|
| 741 |
def testSharedNonblocking(self): |
| 742 |
self.lock.Shared(blocking=False) |
| 743 |
self.lock.Close()
|
| 744 |
|
| 745 |
def testExclusiveNonblocking(self): |
| 746 |
self.lock.Exclusive(blocking=False) |
| 747 |
self.lock.Close()
|
| 748 |
|
| 749 |
def testUnlockNonblocking(self): |
| 750 |
self.lock.Unlock(blocking=False) |
| 751 |
self.lock.Close()
|
| 752 |
|
| 753 |
def testSharedBlocking(self): |
| 754 |
self.lock.Shared(blocking=True) |
| 755 |
self.lock.Close()
|
| 756 |
|
| 757 |
def testExclusiveBlocking(self): |
| 758 |
self.lock.Exclusive(blocking=True) |
| 759 |
self.lock.Close()
|
| 760 |
|
| 761 |
def testUnlockBlocking(self): |
| 762 |
self.lock.Unlock(blocking=True) |
| 763 |
self.lock.Close()
|
| 764 |
|
| 765 |
def testSharedExclusiveUnlock(self): |
| 766 |
self.lock.Shared(blocking=False) |
| 767 |
self.lock.Exclusive(blocking=False) |
| 768 |
self.lock.Unlock(blocking=False) |
| 769 |
self.lock.Close()
|
| 770 |
|
| 771 |
def testExclusiveSharedUnlock(self): |
| 772 |
self.lock.Exclusive(blocking=False) |
| 773 |
self.lock.Shared(blocking=False) |
| 774 |
self.lock.Unlock(blocking=False) |
| 775 |
self.lock.Close()
|
| 776 |
|
| 777 |
def testCloseShared(self): |
| 778 |
self.lock.Close()
|
| 779 |
self.assertRaises(AssertionError, self.lock.Shared, blocking=False) |
| 780 |
|
| 781 |
def testCloseExclusive(self): |
| 782 |
self.lock.Close()
|
| 783 |
self.assertRaises(AssertionError, self.lock.Exclusive, blocking=False) |
| 784 |
|
| 785 |
def testCloseUnlock(self): |
| 786 |
self.lock.Close()
|
| 787 |
self.assertRaises(AssertionError, self.lock.Unlock, blocking=False) |
| 788 |
|
| 789 |
|
| 790 |
class TestTimeFunctions(unittest.TestCase): |
| 791 |
"""Test case for time functions"""
|
| 792 |
|
| 793 |
def runTest(self): |
| 794 |
self.assertEqual(utils.SplitTime(1), (1, 0)) |
| 795 |
self.assertEqual(utils.SplitTime(1.5), (1, 500000)) |
| 796 |
self.assertEqual(utils.SplitTime(1218448917.4809151), (1218448917, 480915)) |
| 797 |
self.assertEqual(utils.SplitTime(123.48012), (123, 480120)) |
| 798 |
self.assertEqual(utils.SplitTime(123.9996), (123, 999600)) |
| 799 |
self.assertEqual(utils.SplitTime(123.9995), (123, 999500)) |
| 800 |
self.assertEqual(utils.SplitTime(123.9994), (123, 999400)) |
| 801 |
self.assertEqual(utils.SplitTime(123.999999999), (123, 999999)) |
| 802 |
|
| 803 |
self.assertRaises(AssertionError, utils.SplitTime, -1) |
| 804 |
|
| 805 |
self.assertEqual(utils.MergeTime((1, 0)), 1.0) |
| 806 |
self.assertEqual(utils.MergeTime((1, 500000)), 1.5) |
| 807 |
self.assertEqual(utils.MergeTime((1218448917, 500000)), 1218448917.5) |
| 808 |
|
| 809 |
self.assertEqual(round(utils.MergeTime((1218448917, 481000)), 3), 1218448917.481) |
| 810 |
self.assertEqual(round(utils.MergeTime((1, 801000)), 3), 1.801) |
| 811 |
|
| 812 |
self.assertRaises(AssertionError, utils.MergeTime, (0, -1)) |
| 813 |
self.assertRaises(AssertionError, utils.MergeTime, (0, 1000000)) |
| 814 |
self.assertRaises(AssertionError, utils.MergeTime, (0, 9999999)) |
| 815 |
self.assertRaises(AssertionError, utils.MergeTime, (-1, 0)) |
| 816 |
self.assertRaises(AssertionError, utils.MergeTime, (-9999, 0)) |
| 817 |
|
| 818 |
|
| 819 |
if __name__ == '__main__': |
| 820 |
unittest.main() |