Attachment 31119 Details for Bug 24446 – git formatted patch

[patch] git formatted patch

0007-Bug-24446-Add-a-test-suite.patch (text/plain), 48.01 KB, created by Martin Pitt on 2009-11-11 15:16:05 UTC

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Creator: Martin Pitt

Created: 2009-11-11 15:16:05 UTC

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patch

obsolete

>From e8e5509be81ed1c61d30f41f889d6c6eb07061d7 Mon Sep 17 00:00:00 2001
>From: Martin Pitt <martin.pitt@ubuntu.com>
>Date: Thu, 12 Nov 2009 00:06:39 +0100
>Subject: [PATCH 7/7] =?utf-8?q?Bug=2024446=20=E2=80=94=20Add=20a=20test=20suite?=
>MIME-Version: 1.0
>Content-Type: text/plain; charset=utf-8
>Content-Transfer-Encoding: 8bit
>
>Add a test suite which checks operations on a fake device (currently a RAID-0
>md built from a RAM disk).  This is useful for regression and system/distro
>integration testing, since it will only succeed if working versions of
>cryptsetup, udev rules, etc. are installed.
>
>Current coverage:
> - tests local build tree or system binaries, depending from where it is run
> - devkit-disks --show-info
> - create/relabel/mount/unmount/fsck/open files/take ownership for supported
>file systems (ext[234], minix, xfs, ntfs, vfat, swap), with both command line
>tools (and DK-d detection) as well as DK-D D-Bus interface
> - LUKS create/teardown/mount/unmount/change password
> - Partition create/flags/modify/delete for MBR and GPT (APM tests are present,
>but disabled)
> - SMART status/real HD/simulate
> - LVM single LV/single LV with RAID-1
> - Manager functionality: Enumerate*, FindDeviceBy*, Inhibition
>---
> testsuite | 1209 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 1209 insertions(+), 0 deletions(-)
> create mode 100755 testsuite
>
>diff --git a/testsuite b/testsuite
>new file mode 100755
>index 0000000..3b43e22
>--- /dev/null
>+++ b/testsuite
>@@ -0,0 +1,1209 @@
>+#!/usr/bin/python
>+#
>+# DeviceKit-disks test suite
>+# Run in dk-disks built tree to test local built binaries (needs
>+# --libexecdir=`pwd`/src --localstatedir=/var), or from anywhere else to test
>+# system installed binaries.
>+#
>+# Usage:
>+# - Run all tests: 
>+#   ./testsuite  
>+# - Run only a particular class of tests:
>+#   ./testsuite Luks
>+# - Run only a single test:
>+#   ./testsuite FS.text_ext3
>+
>+# Copyright: (C) 2009 Martin Pitt <martin.pitt@ubuntu.com>
>+#
>+# 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.
>+
>+# TODO:
>+# - Add hotplug stresstest: stop/rebuild array with some partitions in a loop,
>+#   and check added/removed devices and emitted signals
>+# - Add LUKS stresstest (was racy in the past)
>+# - Test LinuxMd* D-BUS interface
>+
>+import subprocess
>+import os
>+import unittest
>+import sys
>+import tempfile
>+import atexit
>+import time
>+import shutil
>+import dbus
>+import signal
>+import stat
>+
>+test_ram_dev1 = '/dev/ram8'
>+test_ram_dev2 = '/dev/ram9'
>+test_ram_dev3 = '/dev/ram10'
>+test_md_dev = '/dev/md125'
>+
>+DK_D = 'org.freedesktop.DeviceKit.Disks.Device'
>+
>+# ----------------------------------------------------------------------------
>+
>+class DKDisksTestCase(unittest.TestCase):
>+    '''Base class for DeviceKit-disks test cases.
>+    
>+    This provides static functions which are useful for all test cases.
>+    '''
>+
>+    tool_path = None
>+    daemon = None
>+    daemon_log = None
>+    device = None
>+
>+    manager_obj = None
>+    manager_props = None
>+
>+    @classmethod
>+    def init(klass):
>+        '''start daemon and set up test environment'''
>+
>+        assert os.geteuid() == 0, 'need to be root for running this'
>+
>+        # ensure that we can use test_ram_dev* for testing
>+        for r in (test_ram_dev1, test_ram_dev2, test_ram_dev3):
>+            assert os.path.exists(r), r + ' does not exist -- you might need to load the rd module?'
>+            assert stat.S_ISBLK(os.stat(r).st_mode), r + ' is not a block device'
>+            assert r not in open('/proc/mounts').read(), r + ' is already in use'
>+            subprocess.call(['dd', 'if=/dev/zero', 'of='+r],
>+                    stderr=subprocess.PIPE)
>+
>+        assert test_md_dev not in open('/proc/mdstat').read(), test_md_dev + 'is already in use'
>+
>+        klass.device = test_md_dev
>+        assert subprocess.call(['mdadm', '--create', test_md_dev, '--force', '-n',
>+            '1', '-l', 'raid0', test_ram_dev1]) == 0
>+
>+        # start with a clean slate: zero out device 
>+        klass.zero_device()
>+
>+        # run from local build tree if we are in one, otherwise use system instance
>+        if (os.access ('src/devkit-disks-daemon', os.X_OK)):
>+            daemon_path = 'src/devkit-disks-daemon'
>+            klass.tool_path = 'tools/devkit-disks'
>+            print 'Testing binaries from local build tree'
>+        else:
>+            print 'Testing installed system binaries'
>+            daemon_path = None
>+            for l in open('/usr/share/dbus-1/system-services/org.freedesktop.DeviceKit.Disks.service'):
>+                if l.startswith('Exec='):
>+                    daemon_path = l.split('=', 1)[1].strip()
>+                    break
>+            assert daemon_path, 'could not determine daemon path from D-BUS .service file'
>+
>+            klass.tool_path = 'devkit-disks'
>+
>+        print 'daemon path:', daemon_path
>+
>+        # start daemon
>+        klass.daemon_log = tempfile.TemporaryFile()
>+        klass.daemon = subprocess.Popen([daemon_path, '--replace'],
>+            stdout=klass.daemon_log, stderr=subprocess.STDOUT)
>+        assert klass.daemon.pid, 'daemon failed to start'
>+        time.sleep(0.5) # give it some time to settle
>+
>+        atexit.register(klass.cleanup)
>+
>+        obj = dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks',
>+            '/org/freedesktop/DeviceKit/Disks')
>+        klass.manager_iface = dbus.Interface(obj, 'org.freedesktop.DeviceKit.Disks')
>+        klass.manager_props = dbus.Interface(obj, dbus.PROPERTIES_IFACE)
>+
>+    @classmethod
>+    def cleanup(klass):
>+        '''stop daemon again and clean up test environment'''
>+
>+        subprocess.call(['umount', test_md_dev], stderr=subprocess.PIPE) # if a test failed
>+        subprocess.call(['mdadm', '-S', test_md_dev])
>+        klass.device = None
>+
>+        os.kill(klass.daemon.pid, signal.SIGTERM)
>+        os.wait()
>+        klass.daemon = None
>+
>+        #print '----- daemon log ----'
>+        #klass.daemon_log.seek(0)
>+        #print klass.daemon_log.read()
>+
>+    @classmethod
>+    def sync(klass):
>+        '''Wait until pending events finished processing.'''
>+
>+        subprocess.call(['udevadm', 'settle'])
>+
>+    @classmethod
>+    def zero_device(klass):
>+        subprocess.call(['dd', 'if=/dev/zero', 'of='+klass.device],
>+                stderr=subprocess.PIPE)
>+        klass.sync()
>+
>+    @classmethod
>+    def devname(klass, partition=None):
>+        '''Get name of test device or one of its partitions'''
>+
>+        if partition:
>+            return klass.device + 'p' + str(partition)
>+        else:
>+            return klass.device
>+
>+    @classmethod
>+    def partition_obj(klass, partition=None):
>+        '''Get D-Bus object of test device or one of its partitions'''
>+
>+        p = '/org/freedesktop/DeviceKit/Disks/devices/' + \
>+            os.path.basename(klass.devname(partition))
>+        if partition:
>+            p += 'p' + str(partition)
>+
>+        return dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks', p)
>+
>+    @classmethod
>+    def partition_iface(klass, partition=None):
>+        '''Get D-Bus Disks interface of test device or one of its partitions'''
>+
>+        return dbus.Interface(klass.partition_obj(partition), DK_D)
>+
>+    @classmethod
>+    def partition_props(klass, partition=None):
>+        '''Get D-Bus Disks properties of test device or one of its partitions'''
>+
>+        return dbus.Interface(klass.partition_obj(partition),
>+                dbus.PROPERTIES_IFACE)
>+
>+    @classmethod
>+    def get_info(klass, partition=None, devname=None):
>+        '''Return devkit-disks --info in a dictionary.
>+        
>+        If no partition number is given, this queries device. If devname is
>+        given, info for that is returned instead.
>+        '''
>+        info = subprocess.Popen([klass.tool_path, '--show-info',
>+            devname or klass.devname(partition)],
>+                stdout=subprocess.PIPE)
>+        out = info.communicate()[0]
>+        assert info.returncode == 0, 'devkit-disks --info failed'
>+
>+        props = {}
>+        prefix = ''
>+        for l in out.splitlines():
>+            if not l.startswith('  ') or not ':' in l:
>+                continue
>+
>+            if l.startswith('  linux md:'):
>+                prefix = 'md_'
>+                continue
>+            elif l.startswith('  partition table:'):
>+                prefix = 'partition_'
>+                continue
>+            if prefix and not l.startswith('    '):
>+                prefix = ''
>+
>+            (k, v) = l.split(':', 1)
>+            props[prefix + k.strip()] = v.strip()
>+
>+        return props
>+
>+    @classmethod
>+    def get_uuid(klass, partition=None):
>+        '''Use blkid to determine UUID.'''
>+
>+        uuid = None
>+        blkid = subprocess.Popen(['blkid', '-p', '-o', 'udev', 
>+            klass.devname(partition)], stdout=subprocess.PIPE)
>+        for l in blkid.stdout:
>+            if l.startswith('ID_FS_UUID='):
>+                uuid = l.split('=', 1)[1].strip()
>+        assert blkid.wait() == 0
>+        return uuid
>+
>+    @classmethod
>+    def get_partitions(klass):
>+        '''Return list of test device partitions known to DK-D.'''
>+
>+        info = subprocess.Popen([klass.tool_path, '--enumerate-device-files'],
>+                stdout=subprocess.PIPE)
>+        out = info.communicate()[0]
>+        assert info.returncode == 0, 'devkit-disks --enumerate-device-files failed'
>+
>+        partitions = []
>+        for l in out.splitlines():
>+            l = l.strip()
>+            if l.startswith(klass.device) and l != klass.device:
>+                partitions.append(l[len(klass.device):])
>+        return partitions
>+
>+    @classmethod
>+    def mkfs(klass, type, label=None, partition=None):
>+        '''Create file system using mkfs.'''
>+
>+        no_stderr = False
>+        if type == 'vfat':
>+            cmd = ['mkfs.vfat', '-F', '32']
>+            if label:
>+                cmd += ['-n', label]
>+        elif type == 'reiserfs':
>+            cmd = ['mkfs.reiserfs', '-q']
>+            if label:
>+                cmd += ['-l', label]
>+            no_stderr = True
>+        elif type == 'minix':
>+            assert label is None, 'minix does not support labels'
>+            cmd = ['mkfs.minix']
>+        elif type == 'swap':
>+            cmd = ['mkswap', '-f']
>+            if label:
>+                cmd += ['-L', label]
>+        else:
>+            cmd = ['mkfs.' + type, '-q']
>+            if label:
>+                cmd += ['-L', label]
>+
>+        if type == 'xfs':
>+            # XFS complains if there's an existing FS, so --force
>+            cmd.append('-f')
>+
>+        cmd.append(klass.devname(partition))
>+
>+        if no_stderr:
>+            assert subprocess.call(cmd, stdout=subprocess.PIPE,
>+                    stderr=subprocess.PIPE) == 0
>+        else:
>+            assert subprocess.call(cmd, stdout=subprocess.PIPE) == 0
>+
>+        # kernel/udev generally detect those changes itself, but do not quite
>+        # tell us when they are done; so do a little kludge here to know how
>+        # long we need to wait
>+        subprocess.call(['udevadm', 'trigger', '--action=change',
>+            '--sysname-match=' + os.path.basename(klass.devname(partition))])
>+        klass.sync()
>+
>+    @classmethod
>+    def fs_create(klass, partition, type, options):
>+        '''Call FilesystemCreate() on partition with given type and options.'''
>+
>+        klass.partition_iface(partition).FilesystemCreate(type, options)
>+        # .FilesystemCreate() already blocks until the mkfs job is done; but
>+        # without udevsettle the property updating is racy
>+        klass.sync()
>+
>+    @classmethod
>+    def retry_busy(klass, fn, *args):
>+        '''Call a function until it does not fail with "Busy".'''
>+
>+        timeout = 10
>+        while timeout >= 0:
>+            try:
>+                return fn(*args)
>+            except dbus.DBusException, e:
>+                if e._dbus_error_name != 'org.freedesktop.DeviceKit.Disks.Error.Busy':
>+                    raise
>+                print >> sys.stderr, '[busy] ',
>+                time.sleep(0.3)
>+                timeout -= 1
>+
>+# ----------------------------------------------------------------------------
>+
>+class FS(DKDisksTestCase):
>+    '''Test detection of all supported file systems'''
>+
>+    def setUp(self):
>+        self.workdir = tempfile.mkdtemp()
>+
>+    def tearDown(self):
>+        if subprocess.call(['umount', self.device], stderr=subprocess.PIPE) == 0:
>+            print >> sys.stderr, '[cleanup unmount] ',
>+        shutil.rmtree (self.workdir)
>+
>+    def test_zero(self):
>+        '''properties of zeroed out md device'''
>+
>+        self.zero_device()
>+        info = self.get_info()
>+        self.assertEqual(info['is mounted'], '0')
>+        self.assertEqual(info['mount paths'], '')
>+        self.assertEqual(info['presentation hide'], '0')
>+        self.assertEqual(info['presentation name'], '')
>+        self.assertEqual(info['usage'], '')
>+        self.assertEqual(info['type'], '')
>+        self.assertEqual(len(info['md_uuid']), 35)
>+        self.assertEqual(info['uuid'], '')
>+        self.assertEqual(info['label'], '')
>+
>+        self.assertEqual(self.get_partitions(), [])
>+
>+    def test_ext2(self):
>+        '''fs: ext2'''
>+        self._do_fs_check('ext2')
>+
>+    def test_ext3(self):
>+        '''fs: ext3'''
>+        self._do_fs_check('ext3')
>+
>+    def test_ext4(self):
>+        '''fs: ext4'''
>+        self._do_fs_check('ext4')
>+
>+    def test_minix(self):
>+        '''fs: minix'''
>+        self._do_fs_check('minix')
>+
>+    def test_xfs(self):
>+        '''fs: XFS'''
>+        self._do_fs_check('xfs')
>+
>+    def test_ntfs(self):
>+        '''fs: NTFS'''
>+        self._do_fs_check('ntfs')
>+
>+    def test_vfat(self):
>+        '''fs: FAT'''
>+        self._do_fs_check('vfat')
>+
>+    def test_reiserfs(self):
>+        '''fs: reiserfs'''
>+        self._do_fs_check('reiserfs')
>+
>+    def test_swap(self):
>+        '''fs: swap'''
>+        self._do_fs_check('swap')
>+
>+    def _do_fs_check(self, type):
>+        '''Run checks for a particular file system.'''
>+
>+        if type != 'swap' and subprocess.call(['which', 'mkfs.' + type],
>+                stdout=subprocess.PIPE) != 0:
>+            print >> sys.stderr, '[no mkfs.%s, skip] ' % type,
>+
>+            # check correct D-Bus exception
>+            try:
>+                self.fs_create(None, type, [])
>+                self.fail('Expected failure for missing mkfs.' + type)
>+            except dbus.DBusException, e:
>+                self.assertEqual(e._dbus_error_name,
>+                        'org.freedesktop.DeviceKit.Disks.Error.FilesystemToolsMissing',
>+                        str(e))
>+
>+            return
>+
>+        # do checks with command line tools (mkfs/mount/umount)
>+        print >> sys.stderr, '[cli]',
>+
>+        self._do_mkfs_check(type)
>+        if type != 'minix':
>+            self._do_mkfs_check(type, 'test%stst' % type)
>+
>+        # put a different fs here instead of zeroing, so that we verify that
>+        # DK-D overrides existing FS (e. g. XFS complains then), and does not
>+        # leave traces of other FS around
>+        if type == 'ext3':
>+            self.mkfs('swap')
>+        else:
>+            self.mkfs('ext3')
>+
>+        # do checks with DK-Disks D-BUS operations
>+        print >> sys.stderr, '[dkd] ',
>+        self._do_dbus_fs_check(type)
>+        if type != 'minix':
>+            self._do_dbus_fs_check(type, 'test%stst' % type)
>+
>+    def _do_mkfs_check(self, type, label=None):
>+        '''Run mkfs/mount/umount check for a fs and label.
>+        
>+        This checks that DK-Disks correctly picks up command line too actions.
>+        '''
>+        self.mkfs(type, label)
>+        i = self.get_info()
>+
>+        self.assertEqual(i['usage'], (type == 'swap') and 'other' or 'filesystem')
>+
>+        self.assertEqual(i['type'], type)
>+        self.assertEqual(i['label'], label or '')
>+        if type != 'swap':
>+            self.assertEqual(i['is mounted'], '0')
>+            self.assertEqual(i['mount paths'], '')
>+        self.assertEqual(i['presentation name'], '')
>+        if type != 'minix':
>+            self.assertEqual(i['uuid'], self.get_uuid())
>+
>+        if type == 'swap':
>+            return
>+
>+        # mount it using "mount"
>+        if type == 'ntfs' and subprocess.call(['which', 'mount.ntfs-3g'],
>+                stdout=subprocess.PIPE) == 0:
>+            # prefer mount.ntfs-3g if we have it (on Debian; Ubuntu
>+            # defaults to ntfs-3g if installed); TODO: check other distros
>+            mount_prog = 'mount.ntfs-3g'
>+        else:
>+            mount_prog = 'mount'
>+        ret = subprocess.call([mount_prog, self.device, self.workdir])
>+
>+        if ret == 32:
>+            # missing fs driver
>+            print >> sys.stderr, '[missing kernel driver, skip] ',
>+            return
>+
>+        self.assertEqual(ret, 0)
>+        i = self.get_info()
>+        self.assertEqual(i['is mounted'], '1')
>+        self.assertEqual(i['mount paths'], self.workdir)
>+
>+        # unmount it using "umount"
>+        subprocess.call(['umount', self.workdir])
>+        i = self.get_info()
>+        self.assertEqual(i['is mounted'], '0')
>+        self.assertEqual(i['mount paths'], '')
>+
>+    def _do_dbus_fs_check(self, type, label=None):
>+        '''Run DK-D FSCreate/Mount/Unmount check for a fs and label.
>+        
>+        This checks the D-Bus methods that DK-Disks offers.
>+        '''
>+        # check that DK-disks reports the fs as supported
>+        for fs in self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+                'KnownFilesystems'):
>+            if fs[0] == type:
>+                supports_unix_owners = fs[2]
>+                self.assert_(supports_unix_owners in (True, False))
>+                self.assertEqual(fs[3], type != 'swap') # can_mount
>+                self.assert_(fs[4]) # can_create
>+                supports_label_rename = fs[6]
>+                # minix does not support labels; EXFAIL: swap doesn't have a program for it
>+                self.assertEqual(supports_label_rename, type not in ('minix', 'swap'))
>+                break
>+        else:
>+            self.fail('KnownFilesystems does not contain ' + type)
>+
>+        options = []
>+        if label:
>+            options.append('label=' + label)
>+
>+        # create fs
>+        self.fs_create(None, type, options)
>+        i = self.get_info()
>+
>+        self.assertEqual(i['usage'], (type == 'swap') and 'other' or 'filesystem')
>+        self.assertEqual(i['type'], type)
>+        self.assertEqual(i['label'], label or '')
>+        if type != 'swap':
>+            self.assertEqual(i['is mounted'], '0')
>+            self.assertEqual(i['mount paths'], '')
>+        self.assertEqual(i['presentation name'], '')
>+        if type != 'minix':
>+            self.assertEqual(i['uuid'], self.get_uuid())
>+
>+        # open files when unmounted
>+        iface = self.partition_iface()
>+        self.assertRaises(dbus.DBusException,
>+                iface.FilesystemListOpenFiles)
>+
>+        if type != 'swap':
>+            # mount
>+            try:
>+                mount_path = iface.FilesystemMount('', [])
>+            except dbus.DBusException, e:
>+                self.assertEqual(e._dbus_error_name,
>+                        'org.freedesktop.DeviceKit.Disks.Error.FilesystemDriverMissing',
>+                        str(e))
>+                print >> sys.stderr, '[missing kernel driver, skip] ',
>+                return
>+
>+            if label:
>+                self.assertEqual(mount_path, '/media/' + label)
>+            else:
>+                self.assert_(mount_path.startswith('/media/'))
>+            i = self.get_info()
>+            self.assertEqual(i['is mounted'], '1')
>+            self.assertEqual(i['mount paths'], mount_path)
>+
>+            # no ownership taken, should be root owned
>+            st = os.stat(mount_path)
>+            self.assertEqual((st.st_uid, st.st_gid), (0, 0))
>+
>+            # open files when mounted
>+            self.assertEqual(iface.FilesystemListOpenFiles(), [])
>+
>+            f = open(os.path.join(mount_path, 'test.txt'), 'w')
>+            result = iface.FilesystemListOpenFiles()
>+            self.assertEqual(len(result), 1)
>+            self.assertEqual(result[0][0], os.getpid())
>+            self.assertEqual(result[0][1], os.geteuid())
>+            self.assert_(sys.argv[0] in result[0][2])
>+            f.close()
>+            self.assertEqual(iface.FilesystemListOpenFiles(), [])
>+
>+            # unmount
>+            self.retry_busy(self.partition_iface().FilesystemUnmount, [])
>+
>+            i = self.get_info()
>+            self.assertEqual(i['is mounted'], '0')
>+            self.assertEqual(i['mount paths'], '')
>+
>+            # create fs with taking ownership (daemon:mail == 1:8)
>+            if supports_unix_owners:
>+                options.append('take_ownership_uid=1')
>+                options.append('take_ownership_gid=8')
>+                self.fs_create(None, type, options)
>+                mount_path = iface.FilesystemMount('', [])
>+                st = os.stat(mount_path)
>+                self.assertEqual((st.st_uid, st.st_gid), (1, 8))
>+                self.retry_busy(self.partition_iface().FilesystemUnmount, [])
>+
>+        # change label
>+        if supports_label_rename:
>+            l = 'rename' + type
>+            iface.FilesystemSetLabel(l)
>+            self.sync()
>+            i = self.get_info()
>+            if type == 'vfat':
>+                # EXFAIL: often (but not always) the label appears in all upper case
>+                self.assertEqual(i['label'].upper(), l.upper())
>+            else:
>+                self.assertEqual(i['label'], l)
>+        else:
>+            self.assertRaises(dbus.DBusException, iface.FilesystemSetLabel, 'foo')
>+
>+        # check fs
>+        self.assertEqual(iface.FilesystemCheck([]), True)
>+
>+
>+# ----------------------------------------------------------------------------
>+
>+class Luks(DKDisksTestCase):
>+    '''Check LUKS.'''
>+
>+    def test_0_create_teardown(self):
>+        '''LUKS create/teardown'''
>+
>+        self.fs_create(None, 'ext3', ['luks_encrypt=s3kr1t', 'label=treasure'])
>+
>+        try:
>+            # check crypted device info
>+            i = self.get_info() 
>+            self.assertEqual(i['usage'], 'crypto')
>+            self.assertEqual(i['type'], 'crypto_LUKS')
>+            self.assertEqual(i['label'], '') # encrypted device
>+            self.assertEqual(i['is mounted'], '0')
>+            self.assertEqual(i['mount paths'], '')
>+            self.assertEqual(i['presentation name'], '')
>+            self.assert_(i['holder'].startswith('/org/freedesktop/DeviceKit/Disks/devices/'))
>+            self.assertEqual(i['uuid'], self.get_uuid())
>+
>+            # check crypted device properties
>+            crypt_props = self.partition_props()
>+            self.assertEqual(crypt_props.Get(DK_D, 'DeviceIsLuks'), True)
>+            self.assertEqual(crypt_props.Get(DK_D, 'DeviceIsLuksCleartext'), False)
>+            self.assertEqual(crypt_props.Get(DK_D, 'LuksHolder'), i['holder'])
>+
>+            # check cleartext device properties
>+            clear_obj = dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks', i['holder'])
>+            clear_props = dbus.Interface(clear_obj, dbus.PROPERTIES_IFACE)
>+            self.assertEqual(clear_props.Get(DK_D, 'DeviceIsLuks'), False)
>+            self.assertEqual(clear_props.Get(DK_D, 'DeviceIsLuksCleartext'), True)
>+            self.assertEqual(clear_props.Get(DK_D, 'LuksCleartextUnlockedByUid'), 0)
>+            self.assert_(clear_props.Get(DK_D, 'LuksCleartextSlave').endswith('/' +
>+                os.path.basename(self.device)))
>+
>+            # check cleartext device info
>+            self.assert_(i['holder'] in self.manager_iface.EnumerateDevices())
>+            clear_devname = clear_props.Get(DK_D, 'DeviceFile')
>+            ci = self.get_info(devname=clear_devname)
>+            self.assert_(os.path.exists(clear_devname))
>+            self.assertEqual(ci['usage'], 'filesystem')
>+            self.assertEqual(ci['type'], 'ext3')
>+            self.assertEqual(ci['label'], 'treasure')
>+            self.assertEqual(ci['is mounted'], '0')
>+            self.assertEqual(ci['mount paths'], '')
>+            self.assertEqual(ci['presentation name'], '')
>+
>+        finally:
>+            # tear down cleartext device
>+            self.partition_iface().LuksLock([])
>+            self.failIf(i['holder'] in self.manager_iface.EnumerateDevices())
>+            self.failIf(os.path.exists(clear_devname))
>+            self.assertRaises(dbus.DBusException, clear_props.Get, DK_D, 'DeviceFile')
>+
>+    def test_luks_mount(self):
>+        '''LUKS mount/unmount'''
>+
>+        # wrong password
>+        self.assertRaises(dbus.DBusException,
>+                self.partition_iface().LuksUnlock, 'h4ck3rz', [])
>+
>+        # correct password
>+        clear_objpath = self.retry_busy(self.partition_iface().LuksUnlock, 's3kr1t', [])
>+        self.assert_(clear_objpath in self.manager_iface.EnumerateDevices())
>+
>+        clear_obj = dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks',
>+                clear_objpath)
>+        clear_props = dbus.Interface(clear_obj, dbus.PROPERTIES_IFACE)
>+        clear_iface = dbus.Interface(clear_obj, DK_D)
>+
>+        # mount
>+        mount_path = clear_iface.FilesystemMount('', [])
>+        clear_devname = clear_props.Get(DK_D, 'DeviceFile')
>+        self.assertEqual(mount_path, '/media/treasure')
>+
>+        i = self.get_info(devname=clear_devname)
>+        self.assertEqual(i['is mounted'], '1')
>+        self.assertEqual(i['mount paths'], mount_path)
>+
>+        # can't lock, busy
>+        self.assertRaises(dbus.DBusException, self.partition_iface().LuksLock, [])
>+
>+        # umount
>+        self.retry_busy(clear_iface.FilesystemUnmount, [])
>+        i = self.get_info()
>+        self.assertEqual(i['is mounted'], '0')
>+        self.assertEqual(i['mount paths'], '')
>+
>+        # lock
>+        self.partition_iface().LuksLock([])
>+        self.failIf(clear_objpath in self.manager_iface.EnumerateDevices())
>+
>+    def test_luks_change_passphrase(self):
>+        '''LUKS change passphrase'''
>+
>+        # wrong password
>+        self.assertRaises(dbus.DBusException,
>+                self.partition_iface().LuksChangePassphrase, 'h4ck3rz', 'foo')
>+        self.assertEqual(self.partition_props().Get(DK_D, 'LuksHolder'), '/',
>+                'changing passphrase does not unlock')
>+
>+        # correct password
>+        self.partition_iface().LuksChangePassphrase('s3kr1t', 'cl4ss1f13d')
>+        holder = self.partition_props().Get(DK_D, 'LuksHolder')
>+        self.assertEqual(holder, '/', 
>+                'changing passphrase does not unlock: ' + holder)
>+
>+        # old password is invalid now
>+        self.assertRaises(dbus.DBusException,
>+                self.partition_iface().LuksUnlock, 's3kr1t', [])
>+
>+        # new password is accepted
>+        self.partition_iface().LuksUnlock('cl4ss1f13d', [])
>+        self.partition_iface().LuksLock([])
>+
>+        # change it back so that order of tests does not matter
>+        self.partition_iface().LuksChangePassphrase('cl4ss1f13d', 's3kr1t')
>+
>+        self.sync()
>+
>+# ----------------------------------------------------------------------------
>+
>+class Partitions(DKDisksTestCase):
>+    '''Check partition operations.'''
>+
>+    def setUp(self):
>+        self.zero_device()
>+        self.assertEqual(self.get_partitions(), [])
>+
>+        info = self.get_info()
>+        self.assertEqual([k for k in info if k.startswith('partition_')], [])
>+        self.assertEqual(self.fdisk_list(), None)
>+
>+    def tearDown(self):
>+        self.partition_iface().PartitionTableCreate('none', [])
>+        info = self.get_info()
>+        self.assertEqual([k for k in info if k.startswith('partition_')], [])
>+        self.assertEqual(self.fdisk_list(), None)
>+
>+    def test_mbr(self):
>+        '''Partitions: mbr'''
>+
>+        self._do_schema('mbr', '0x82', '0x06', 'boot')
>+
>+    def test_gpt(self):
>+        '''Partitions: GUID'''
>+
>+        self._do_schema('gpt', 'EBD0A0A2-B9E5-4433-87C0-68B6B72699C7', 
>+                '0657FD6D-A4AB-43C4-84E5-0933C84B4F4F', 'required')
>+
>+    # TODO: fails in various ways
>+    def disabled_test_apm(self):
>+        '''Partitions: Apple'''
>+
>+        try:
>+            self._do_schema('apm', 'Apple_Unix_SVR2', 'Foo', 'allow_write',
>+                    exp_default_partitions=2) # Apple creates bootstrap stuff by default
>+            self.fail('creating apple partition at offset 0 should fail due to default bootstrap partitions')
>+        except dbus.DBusException, e:
>+            self.assert_("Can't have overlapping partitions." in str(e))
>+
>+        self._do_schema('apm', 'Apple_Unix_SVR2', 'Foo', 'allow_write',
>+                exp_default_partitions=2, # Apple creates bootstrap stuff by default
>+                first_offset=3000000)
>+
>+    def _do_schema(self, schema, type1, type2, flag,
>+            exp_default_partitions=0, first_offset=0):
>+        '''Run tests for a particular schema/type'''
>+
>+        # create partition table
>+        self.partition_iface().PartitionTableCreate(schema, [])
>+        self.sync()
>+
>+        info = self.get_info()
>+        self.assertEqual(info['partition_scheme'], schema)
>+        self.assertEqual(info['partition_count'], str(exp_default_partitions))
>+        self.assertEqual(len(self.get_partitions()), exp_default_partitions)
>+
>+        if schema == 'mbr':
>+            self.assertEqual(self.fdisk_list(), [])
>+
>+        # check device object properties
>+        props = self.partition_props()
>+        self.assertEqual(props.Get(DK_D, 'DeviceIsPartition'), False)
>+        self.assertEqual(props.Get(DK_D, 'DeviceIsPartitionTable'), True)
>+        self.assertEqual(props.Get(DK_D, 'PartitionTableScheme'), schema)
>+        self.assertEqual(props.Get(DK_D, 'PartitionTableCount'), exp_default_partitions)
>+
>+        # p1: non-flagged, no fs
>+        p1 = self.partition_iface().PartitionCreate(first_offset, 10000000, type1, 
>+                '', [], [], '', [])
>+        self.assert_(p1 in self.manager_iface.EnumerateDevices())
>+ 
>+        if schema == 'mbr':
>+            fdisk = self.fdisk_list()
>+            self.assertEqual(len(fdisk), 1)
>+            fdisk = fdisk[0]
>+            self.assert_(os.path.exists(fdisk[0]), 'p1: device file does not exist')
>+            self.assertEqual(fdisk[1], False, 'p1 is bootable')
>+            self.assertEqual(fdisk[5], type1.lstrip('0x'))
>+
>+        # EXFAIL: /dev/md5p1 still works and appears, but kernel/udev never
>+        # create /dev/md5p2 and following
>+        #self.partition_iface().PartitionCreate(0, 10000000, type2, '',
>+        #        [flag], [], '', [])
>+        #print self.fdisk_list()
>+
>+        # the device is not a partition, so calls should fail
>+        self.assertRaises(dbus.DBusException,
>+                self.partition_iface().PartitionDelete, [])
>+        self.assertRaises(dbus.DBusException,
>+                self.partition_iface().PartitionModify, type2, '', [flag])
>+
>+        # check p1 object properties
>+        p1_obj = dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks',
>+            p1)
>+        p1_iface = dbus.Interface(p1_obj, DK_D)
>+        p1_props = dbus.Interface(p1_obj, dbus.PROPERTIES_IFACE)
>+
>+        self.assertEqual(p1_props.Get(DK_D, 'DeviceIsPartition'), True)
>+        self.assertEqual(p1_props.Get(DK_D, 'DeviceIsPartitionTable'), False)
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionSlave'), 
>+                '/org/freedesktop/DeviceKit/Disks/devices/' +
>+                os.path.basename(self.device))
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionScheme'), schema)
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionType'), type1)
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionLabel'), (schema == 'apm' and 'untitled' or ''))
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionFlags'), [])
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionNumber'), (schema == 'apm' and 2 or 1))
>+        self.assertEqual(p1_props.Get(DK_D, 'IdUsage'), '')
>+        self.assertEqual(p1_props.Get(DK_D, 'IdType'), '')
>+        off = p1_props.Get(DK_D, 'PartitionOffset')
>+        self.assert_(off >= first_offset and off <= first_offset+20000)
>+        size = p1_props.Get(DK_D, 'PartitionSize')
>+        self.assert_(size >= 9500000 and off <= 10500000)
>+        self.assertEqual(props.Get(DK_D, 'PartitionTableCount'), exp_default_partitions + 1)
>+
>+        # modify
>+        p1_iface.PartitionModify(type2, '', [flag])
>+        self.sync()
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionType'), type2)
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionFlags'), [flag])
>+
>+        # delete
>+        p1_iface.PartitionDelete([])
>+        self.sync()
>+        self.assertRaises(dbus.DBusException, p1_iface.PartitionModify, type2, '', [flag])
>+        self.assertRaises(dbus.DBusException, p1_props.Get, DK_D, 'PartitionType')
>+
>+        self.failIf(p1 in self.manager_iface.EnumerateDevices())
>+        self.assertEqual(props.Get(DK_D, 'PartitionTableCount'), 0)
>+
>+        if schema == 'mbr':
>+            self.failIf(os.path.exists(fdisk[0]), 'p1: device file still exists')
>+            self.assertEqual(self.fdisk_list(), [])
>+
>+        # recreate p1: flagged, with fs
>+        p1 = self.partition_iface().PartitionCreate(0, 10000000, type1, 
>+                '', [flag], [], 'ext3', ['label=e3part'])
>+        self.sync()
>+        self.assert_(p1 in self.manager_iface.EnumerateDevices())
>+
>+        p1_obj = dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks',
>+            p1)
>+        p1_props = dbus.Interface(p1_obj, dbus.PROPERTIES_IFACE)
>+        self.assertEqual(p1_props.Get(DK_D, 'DeviceIsPartition'), True)
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionType'), type1)
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionFlags'), [flag])
>+        self.assertEqual(p1_props.Get(DK_D, 'PartitionNumber'), 1)
>+        self.assertEqual(p1_props.Get(DK_D, 'IdUsage'), 'filesystem')
>+        self.assertEqual(p1_props.Get(DK_D, 'IdType'), 'ext3')
>+        self.assertEqual(p1_props.Get(DK_D, 'IdLabel'), 'e3part')
>+
>+    def fdisk_list(self):
>+        '''Parse fdisk -l.
>+
>+        Return None if device does not have a partition table, or a list of
>+        (device, boot, start, end, blocks, id) tuples.
>+        '''
>+        env = os.environ
>+        env['LC_ALL'] = 'C'
>+        fdisk = subprocess.Popen(['fdisk', '-l', self.device], env=env,
>+                stdout=subprocess.PIPE, stderr=subprocess.PIPE)
>+        (out, err) = fdisk.communicate()
>+        if err != '':
>+            return None
>+        parts = []
>+        for l in out.splitlines():
>+            if l.startswith('/dev/'):
>+                fields = l.split()
>+                if fields[1] == '*':
>+                    # boot flag
>+                    fields[1] = True
>+                    fields = tuple(fields[:6])
>+                else:
>+                    fields = tuple([fields[0], False] + fields[1:5])
>+                parts.append(fields)
>+        return parts
>+
>+# ----------------------------------------------------------------------------
>+
>+hd_smart_blob = None
>+
>+class Smart(DKDisksTestCase):
>+    '''Check SMART operation.'''
>+
>+    def test_0_hd_status(self):
>+        '''SMART status of first internal hard disk
>+        
>+        This is a best-effort readonly test.
>+        '''
>+        hd = '/dev/sda'
>+
>+        if not os.path.exists(hd):
>+            print >> sys.stderr, '[skip]',
>+            return
>+
>+        has_smart = subprocess.call(['skdump', '--can-smart', hd],
>+                stdout=subprocess.PIPE, stderr=subprocess.STDOUT) == 0
>+
>+        obj = dbus.SystemBus().get_object('org.freedesktop.DeviceKit.Disks', 
>+                self.manager_iface.FindDeviceByDeviceFile(hd))
>+        iface = dbus.Interface(obj, DK_D)
>+        props = dbus.Interface(obj, dbus.PROPERTIES_IFACE)
>+        info = self.get_info(devname=hd)
>+
>+        self.assertEqual(props.Get(DK_D, 'DriveAtaSmartIsAvailable'),
>+                has_smart)
>+
>+        if has_smart:
>+            print >> sys.stderr, '[avail] ',
>+            self.assert_(info['ATA SMART'].startswith('Updated at '))
>+            self.assertNotEqual(props.Get(DK_D, 'DriveAtaSmartTimeCollected'), 0)
>+            global hd_smart_blob
>+            hd_smart_blob = ''.join(map(chr, props.Get(DK_D, 'DriveAtaSmartBlob')))
>+            # this is of course not truly correct for a test suite, but let's
>+            # consider it a courtesy for developers :-)
>+            self.assertEqual(info['overall assessment'], 'Good')
>+            self.assertEqual(props.Get(DK_D, 'DriveAtaSmartStatus'), 'GOOD')
>+
>+            try:
>+                self.partition_iface().DriveAtaSmartInitiateSelftest('bogus', [])
>+                self.fail('bogus mode succeeded')
>+            except dbus.DBusException, e:
>+                self.assertEqual(e._dbus_error_name, 'org.freedesktop.DeviceKit.Disks.Error.Failed')
>+        else:
>+            print >> sys.stderr, '[N/A] ',
>+            self.assertEqual(info['ATA SMART'], 'not available')
>+            self.assertEqual(props.Get(DK_D, 'DriveAtaSmartTimeCollected'), 0)
>+            self.assertEqual(props.Get(DK_D, 'DriveAtaSmartBlob'), [])
>+            self.failIf('overall assessment' in info)
>+
>+            try:
>+                self.partition_iface().DriveAtaSmartInitiateSelftest('short', [])
>+                self.fail('device did not report to have SMART capabilities')
>+            except dbus.DBusException, e:
>+                self.assert_('does not support ATA SMART' in str(e))
>+
>+    def test_simulate(self):
>+        '''SMART status of simulated data on test device
>+        
>+        This requires SMART being available from the first hard disk, to
>+        collect the blob used for testing.
>+        '''
>+        global hd_smart_blob
>+    
>+        if not hd_smart_blob:
>+            print >> sys.stderr, '[skip]',
>+            return
>+    
>+        props = self.partition_props()
>+        self.failIf(props.Get(DK_D, 'DriveAtaSmartIsAvailable'))
>+        self.assertEqual(props.Get(DK_D, 'DriveAtaSmartTimeCollected'), 0)
>+        self.assertEqual(props.Get(DK_D, 'DriveAtaSmartBlob'), [])
>+    
>+        # without simulate, DK-disks should complain about absent SMART
>+        try:
>+            self.partition_iface().DriveAtaSmartRefreshData([])
>+            self.fail('expected "Device does not support ATA SMART"')
>+        except dbus.DBusException, e:
>+            self.assert_('does not support ATA SMART' in str(e))
>+        try:
>+            self.partition_iface().DriveAtaSmartInitiateSelftest('short', [])
>+            self.fail('fake device is not expected to have SMART capabilities')
>+        except dbus.DBusException, e:
>+            self.assert_('does not support ATA SMART' in str(e))
>+    
>+        # load the blob
>+        blob_f = tempfile.NamedTemporaryFile()
>+        blob_f.write(hd_smart_blob)
>+        blob_f.flush()
>+        self.partition_iface().DriveAtaSmartRefreshData(['simulate=' + blob_f.name])
>+
>+        info = self.get_info()
>+    
>+        self.assertEqual(props.Get(DK_D, 'DriveAtaSmartIsAvailable'), True)
>+    
>+        self.assert_(info['ATA SMART'].startswith('Updated at '))
>+        self.assertNotEqual(props.Get(DK_D, 'DriveAtaSmartTimeCollected'), 0)
>+    
>+        self.assertEqual(hd_smart_blob, ''.join(map(chr, props.Get(DK_D, 'DriveAtaSmartBlob'))))
>+        self.assertEqual(info['overall assessment'], 'Good')
>+        self.assertEqual(props.Get(DK_D, 'DriveAtaSmartStatus'), 'GOOD')
>+    
>+        # tool should have the entire SMART info
>+        tool_info = subprocess.Popen([self.tool_path, '--show-info',
>+            self.device], stdout=subprocess.PIPE)
>+        out = tool_info.communicate()[0]
>+        self.assert_('start-stop-count' in out)
>+        self.assert_('Pre-fail' in out)
>+    
>+
>+# ----------------------------------------------------------------------------
>+
>+class LVM(DKDisksTestCase):
>+    '''Check LVM devices.'''
>+
>+    def setUp(self):
>+        '''Create a VG "dktest".
>+
>+        This uses two RAM disks as PV.
>+        '''
>+        if subprocess.call(['which', 'pvcreate'], stdout=subprocess.PIPE) != 0:
>+            self.fail('lvm tools not installed')
>+            return
>+        self.assertEqual(subprocess.call(['pvcreate', test_ram_dev2],
>+            stdout=subprocess.PIPE), 0)
>+        self.assertEqual(subprocess.call(['pvcreate', test_ram_dev3],
>+            stdout=subprocess.PIPE), 0)
>+        self.vgname = 'dktest'
>+        self.assertEqual(subprocess.call(['vgcreate', self.vgname,
>+            test_ram_dev2, test_ram_dev3], stdout=subprocess.PIPE), 0)
>+
>+    def tearDown(self):
>+        '''Remove dktest VG.'''
>+
>+        self.assertEqual(subprocess.call(['vgremove', '-f',
>+            self.vgname], stdout=subprocess.PIPE), 0)
>+
>+    def test_single_lv(self):
>+        '''LVM: Single LV, no RAID'''
>+
>+        objs_old = set(self.manager_iface.EnumerateDevices())
>+
>+        self.assertEqual(subprocess.call(['lvcreate', '-n', 'dktestlv1', '-L',
>+            '52M', self.vgname], stdout=subprocess.PIPE), 0)
>+        self.sync()
>+
>+        # there should be exactly one new device for the LV
>+        objs_new = set(self.manager_iface.EnumerateDevices())
>+        self.assertEqual(len(objs_old) + 1, len(objs_new))
>+        lvname = list(objs_new - objs_old)[0]
>+
>+        lv_props = dbus.Interface(dbus.SystemBus().get_object(
>+            'org.freedesktop.DeviceKit.Disks', lvname), dbus.PROPERTIES_IFACE)
>+
>+        # the LV is a real volume which should be shown, but not automounted
>+        self.assert_(lv_props.Get(DK_D, 'DeviceFile').startswith('/dev/mapper/'))
>+        self.assertEqual(lv_props.Get(DK_D, 'DevicePresentationHide'), False)
>+        self.assertEqual(lv_props.Get(DK_D, 'DevicePresentationNopolicy'), True)
>+
>+        # ensure that we have a UUID
>+        found_uuid = False
>+        for i in lv_props.Get(DK_D, 'DeviceFileById'):
>+            if 'uuid-LVM' in i:
>+                found_uuid = True
>+        self.assert_(found_uuid, 'no by-uuid found in ' + str(i))
>+
>+    def test_single_lv_raid(self):
>+        '''LVM: Single LV, RAID-1'''
>+
>+        objs_old = set(self.manager_iface.EnumerateDevices())
>+
>+        self.assertEqual(subprocess.call(['lvcreate', '-n', 'dktestlvr1', '-L',
>+            '50M', '-m', '1', '--mirrorlog', 'core', self.vgname],
>+            stdout=subprocess.PIPE), 0)
>+        self.sync()
>+
>+        # there should be two new shadow devices for the RAID images, and one
>+        # real LV
>+        objs_new = set(self.manager_iface.EnumerateDevices())
>+        self.assertEqual(len(objs_old) + 3, len(objs_new))
>+        lv_objs = objs_new - objs_old
>+
>+        #subprocess.call(['bash', '-i'])
>+
>+        # find the real one; TODO: is this nameing scheme right on all distros?
>+        devname = '/dev/mapper/%s-dktestlvr1' % self.vgname
>+        real_lv_obj = self.manager_iface.FindDeviceByDeviceFile(devname)
>+        self.assert_(real_lv_obj in lv_objs)
>+
>+        # put a file system onto it, for testing properties
>+        iface = dbus.Interface(dbus.SystemBus().get_object(
>+                'org.freedesktop.DeviceKit.Disks', real_lv_obj), DK_D)
>+        iface.FilesystemCreate('ext3', [])
>+        self.sync()
>+
>+        for o in lv_objs:
>+            props = dbus.Interface(dbus.SystemBus().get_object(
>+                'org.freedesktop.DeviceKit.Disks', o), dbus.PROPERTIES_IFACE)
>+
>+            if o == real_lv_obj:
>+                self.assert_(props.Get(DK_D, 'DeviceFile').startswith('/dev/mapper/'))
>+                # never hide the real LV
>+                self.assertEqual(props.Get(DK_D, 'DevicePresentationHide'), False)
>+                self.assertEqual(props.Get(DK_D, 'IdUsage'), 'filesystem')
>+                self.assertEqual(props.Get(DK_D, 'IdType'), 'ext3')
>+
>+                # ensure that we have a UUID
>+                found_uuid = False
>+                for i in props.Get(DK_D, 'DeviceFileById'):
>+                    if 'uuid-LVM' in i:
>+                        found_uuid = True
>+                self.assert_(found_uuid, 'no by-uuid found in ' + str(i))
>+            else:
>+                # mirror images should not have any real FS usage at all
>+                self.assertEqual(props.Get(DK_D, 'IdUsage'), '')
>+
>+                # mirror images should not have by-* symlinks (avoid probing);
>+                # that is actually the job of the lvm2 udev rules, but check it
>+                # here to ensure proper system integration
>+                self.assertEqual(props.Get(DK_D, 'DeviceFileById'), [])
>+
>+            self.assertEqual(props.Get(DK_D, 'DevicePresentationNopolicy'), True)
>+
>+# ----------------------------------------------------------------------------
>+
>+class GlobalOps(DKDisksTestCase):
>+    '''Check various global operations.'''
>+
>+    def test_daemon_version(self):
>+        '''DaemonVersion property'''
>+
>+        ver = self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+                'DaemonVersion')
>+        self.assertEqual(type(ver), dbus.String)
>+        self.assert_(len(ver) > 0)
>+
>+    def test_enumerate_devices(self):
>+        '''EnumerateDevices()'''
>+
>+        devs = self.manager_iface.EnumerateDevices()
>+        self.assert_(len(devs) > 1) # at least our test device and root fs
>+        self.assert_('/org/freedesktop/DeviceKit/Disks/devices/' +
>+                    os.path.basename(self.device) in devs)
>+
>+    def test_enumerate_device_files(self):
>+        '''EnumerateDeviceFiles()'''
>+
>+        devs = self.manager_iface.EnumerateDeviceFiles()
>+        self.assert_(len(devs) > 1) # at least our test device and root fs
>+        self.assert_(self.device in devs)
>+
>+    def test_find_by_devpath(self):
>+        '''FindDeviceByDeviceFile()'''
>+
>+        self.assertEqual(
>+                self.manager_iface.FindDeviceByDeviceFile(self.device),
>+                '/org/freedesktop/DeviceKit/Disks/devices/' +
>+                    os.path.basename(self.device))
>+
>+        self.assertRaises(dbus.DBusException, 
>+                self.manager_iface.FindDeviceByDeviceFile, '/dev/nonexisting')
>+
>+    def test_find_by_major_minor(self):
>+        '''FindDeviceByMajorMinor()'''
>+
>+        st = os.stat(self.device)
>+        dev = self.manager_iface.FindDeviceByMajorMinor(os.major(st.st_rdev),
>+                os.minor(st.st_rdev))
>+        self.assertEqual(dev, '/org/freedesktop/DeviceKit/Disks/devices/' +
>+                    os.path.basename(self.device))
>+
>+        self.assertRaises(dbus.DBusException, 
>+                self.manager_iface.FindDeviceByMajorMinor, 42, 42)
>+
>+    def test_inhibition(self):
>+        '''inhibition'''
>+
>+        # Inhibit()
>+        self.failIf(self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+            'DaemonIsInhibited'))
>+        cookie1 = self.manager_iface.Inhibit()
>+        self.assert_(self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+            'DaemonIsInhibited'))
>+
>+        # try mounting, should fail due to inhibition
>+        try:
>+            self.partition_iface().FilesystemMount('', [])
>+            self.fail('.FilesystemMount() succeeded while inhibited')
>+        except dbus.DBusException, e:
>+            self.assert_(e._dbus_error_name.endswith('Error.Inhibited'))
>+
>+        # Inhibit() another time
>+        cookie2 = self.manager_iface.Inhibit()
>+        self.assert_(self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+            'DaemonIsInhibited'))
>+
>+        # Uninhibit()
>+        self.manager_iface.Uninhibit(cookie1)
>+        self.assert_(self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+            'DaemonIsInhibited'))
>+
>+        self.assertRaises(dbus.DBusException, self.manager_iface.Uninhibit,
>+            '0xDEADBEEF')
>+
>+        self.manager_iface.Uninhibit(cookie2)
>+        self.failIf(self.manager_props.Get('org.freedesktop.DeviceKit.Disks',
>+            'DaemonIsInhibited'))
>+
>+        self.assertRaises(dbus.DBusException, self.manager_iface.Uninhibit,
>+            cookie1)
>+
>+# ----------------------------------------------------------------------------
>+
>+if __name__ == '__main__':
>+    DKDisksTestCase.init()
>+    if len(sys.argv) == 1:
>+        tests = unittest.TestLoader().loadTestsFromName('__main__')
>+    else:
>+        tests = unittest.TestLoader().loadTestsFromNames(sys.argv[1:],
>+                __import__('__main__'))
>+    unittest.TextTestRunner(verbosity=2).run(tests)
>+            
>+
>+
>-- 
>1.6.3.3
>

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