def test_get_blkio_value_empty(self):
"""Test reading of blkio information with empty file.
"""
data = self._blkio_sectors_empty
treadmill.cgroups.get_data.side_effect = [data]
data = cgutils.get_blkio_value('mycgrp', 'blkio.sectors')
treadmill.cgroups.get_data.assert_called_with('blkio', 'mycgrp',
'blkio.sectors')
self.assertEqual(data, {})
def test_get_blkio_value_empty(self):
"""Test reading of blkio information with empty file"""
with io.open(self._BLKIO_SECTORS_EMPTY) as f:
data = f.read()
treadmill.cgroups.get_data.side_effect = [data]
data = cgutils.get_blkio_value('mycgrp', 'blkio.sectors')
treadmill.cgroups.get_data.assert_called_with('blkio', 'mycgrp',
'blkio.sectors')
self.assertEqual(data, {})
def read_blkio_value_stats(cgrp, *pseudofiles):
""" read blkio value based cgroup pseudofiles
"""
if pseudofiles is None or not pseudofiles:
pseudofiles = _BLKIO_VALUE_TYPE
metrics = {}
for pseudofile in pseudofiles:
blkio_info = cgutils.get_blkio_value(cgrp, pseudofile)
metrics[pseudofile] = blkio_info
return metrics