class TestDiskUsageCollector(CollectorTestCase):
def setUp(self):
config = get_collector_config('DiskUsageCollector', {
'interval': 10
})
self.collector = DiskUsageCollector(config, None)
@patch.object(Collector, 'publish')
def test_should_work_with_real_data(self, publish_mock):
with nested(
patch('os.stat'),
patch('os.major', return_value = 9),
patch('os.minor', return_value = 0),
patch('__builtin__.open', return_value = get_fixture('proc_mounts'))
):
file_systems = disk.get_file_systems()
with patch('__builtin__.open', return_value = get_fixture('proc_diskstats_1')):
disk_statistics_1 = disk.get_disk_statistics()
with patch('__builtin__.open', return_value = get_fixture('proc_diskstats_2')):
disk_statistics_2 = disk.get_disk_statistics()
with nested(
patch('disk.get_file_systems', return_value = file_systems),
patch('disk.get_disk_statistics', return_value = disk_statistics_1)
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {})
with nested(
patch('disk.get_file_systems', return_value = file_systems),
patch('disk.get_disk_statistics', return_value = disk_statistics_2)
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {
'sda.reads' : 0.5,
'sda.reads_merged' : 0.6,
'sda.reads_kbytes' : 4.4,
'sda.reads_milliseconds' : 4.0,
'sda.writes' : 3.4,
'sda.writes_merged' : 1.3,
'sda.writes_kbytes' : 18.8,
'sda.writes_milliseconds' : 10.0,
'sda.io_milliseconds' : 9.0,
'sda.io_milliseconds_weighted' : 14.0,
'md0.reads' : 0.0,
'md0.reads_merged' : 0.0,
'md0.reads_kbytes' : 0.0,
'md0.reads_milliseconds' : 0.0,
'md0.writes' : 8.6,
'md0.writes_merged' : 0.0,
'md0.writes_kbytes' : 34.4,
'md0.writes_milliseconds' : 0.0,
'md0.io_milliseconds' : 0.0,
'md0.io_milliseconds_weighted' : 0.0,
})
def setUp(self):
config = get_collector_config('DiskUsageCollector', {
'interval': 10
})
self.collector = DiskUsageCollector(config, None)
