class TestVMStatCollector(CollectorTestCase):
def setUp(self):
config = get_collector_config('VMStatCollector', {
'interval': 10
})
self.collector = VMStatCollector(config, None)
@patch('__builtin__.open')
@patch.object(Collector, 'publish')
def test_should_open_proc_vmstat(self, publish_mock, open_mock):
open_mock.return_value = StringIO('')
self.collector.collect()
open_mock.assert_called_once_with('/proc/vmstat')
@patch.object(Collector, 'publish')
def test_should_work_with_real_data(self, publish_mock):
VMStatCollector.PROC = get_fixture_path('proc_vmstat_1')
self.collector.collect()
self.assertPublishedMany(publish_mock, {})
VMStatCollector.PROC = get_fixture_path('proc_vmstat_2')
self.collector.collect()
self.assertPublishedMany(publish_mock, {
'pgpgin' : 0.0,
'pgpgout' : 9.2,
'pswpin' : 0.0,
'pswpout' : 0.0,
})
def setUp(self):
config = get_collector_config('VMStatCollector', {
'interval': 10
})
self.collector = VMStatCollector(config, None)