def test_disk_with_only_serial(self):
"""test dname_byid returns rules for ID_SERIAL"""
mypath = "/dev/" + self.random_string()
myserial = self.random_string()
info = {'DEVTYPE': 'disk', 'DEVNAME': mypath, 'ID_SERIAL': myserial}
self.assertEqual([['ENV{ID_SERIAL}=="%s"' % myserial]],
block_meta.make_dname_byid(mypath, info=info))
def test_disk_with_only_wwn(self):
"""test dname_byid returns rules for ID_WWN_WITH_EXTENSION"""
mypath = "/dev/" + self.random_string()
mywwn = self.random_string()
info = {'DEVTYPE': 'disk', 'DEVNAME': mypath,
'ID_WWN_WITH_EXTENSION': mywwn}
self.assertEqual(
[['ENV{ID_WWN_WITH_EXTENSION}=="%s"' % mywwn]],
block_meta.make_dname_byid(mypath, info=info))
def test_udevinfo_not_called_if_info_provided(self, m_udev):
"""dname_byid does not invoke udevadm_info if using info dict"""
myserial = self.random_string()
self.assertEqual(
[['ENV{ID_SERIAL}=="%s"' % myserial]],
block_meta.make_dname_byid(
self.random_string(),
info={'DEVTYPE': 'disk', 'ID_SERIAL': myserial}))
self.assertEqual(0, m_udev.call_count)
def test_udevinfo_called_if_info_not_provided(self, m_udev):
"""dname_byid should call udevadm_info if no data given."""
myserial = self.random_string()
mypath = "/dev/" + self.random_string()
m_udev.return_value = {
'DEVTYPE': 'disk', 'ID_SERIAL': myserial, 'DEVNAME': mypath}
self.assertEqual(
[['ENV{ID_SERIAL}=="%s"' % myserial]],
block_meta.make_dname_byid(mypath))
self.assertEqual(
[mock.call(path=mypath)], m_udev.call_args_list)
def test_disk_with_short_ids(self):
"""test dname_byid returns rules w/ both ID_WWN and ID_SERIAL_SHORT."""
mypath = "/dev/" + self.random_string()
myserial = self.random_string()
mywwn = self.random_string()
info = {'DEVTYPE': 'disk', 'ID_SERIAL_SHORT': myserial,
'ID_WWN': mywwn,
'DEVNAME': mypath}
self.assertEqual(
[[
'ENV{ID_WWN}=="%s"' % mywwn,
'ENV{ID_SERIAL_SHORT}=="%s"' % myserial,
]],
block_meta.make_dname_byid(mypath, info=info))
def test_disk_with_both_id_wwn(self):
"""test dname_byid returns rules with both ID_WWN_* and ID_SERIAL"""
mypath = "/dev/" + self.random_string()
myserial = self.random_string()
mywwn = self.random_string()
info = {'DEVTYPE': 'disk', 'ID_SERIAL': myserial,
'ID_WWN_WITH_EXTENSION': mywwn,
'DEVNAME': mypath}
self.assertEqual(
[[
'ENV{ID_WWN_WITH_EXTENSION}=="%s"' % mywwn,
'ENV{ID_SERIAL}=="%s"' % myserial,
]],
block_meta.make_dname_byid(mypath, info=info))
def test_disk_with_all_ids(self):
"""test dname_byid returns rules w/ all WWN and SERIAL values."""
mypath = "/dev/" + self.random_string()
myserial_short = self.random_string()
myserial = myserial_short + "_" + myserial_short
mywwn = self.random_string()
mywwn_ext = mywwn + "_" + mywwn
info = {'DEVTYPE': 'disk', 'ID_SERIAL_SHORT': myserial_short,
'ID_SERIAL': myserial,
'ID_WWN': mywwn,
'ID_WWN_WITH_EXTENSION': mywwn_ext,
'DEVNAME': mypath}
self.assertEqual(
[[
'ENV{ID_WWN_WITH_EXTENSION}=="%s"' % mywwn_ext,
'ENV{ID_WWN}=="%s"' % mywwn,
'ENV{ID_SERIAL}=="%s"' % myserial,
'ENV{ID_SERIAL_SHORT}=="%s"' % myserial_short,
]],
block_meta.make_dname_byid(mypath, info=info))
def test_disk_with_no_id_wwn(self, m_udev):
"""test dname_byid raises RuntimeError on device without ID or WWN."""
mypath = "/dev/" + self.random_string()
m_udev.return_value = {'DEVTYPE': 'disk'}
self.assertEqual([], block_meta.make_dname_byid(mypath))
def test_non_disk(self, m_udev):
"""test dname_byid raises ValueError on DEVTYPE != 'disk'"""
mypath = "/dev/" + self.random_string()
m_udev.return_value = {'DEVTYPE': 'not_a_disk'}
with self.assertRaises(ValueError):
block_meta.make_dname_byid(mypath)
def test_bad_path(self, m_udev):
"""test dname_byid raises ValueError on invalid path."""
mypath = None
with self.assertRaises(ValueError):
block_meta.make_dname_byid(mypath)