def test_return_none_if_netprevvalue_returns_empty_list(self):
utime_mock = Mock(netValues=[(Mock(inst=111), 'dummyprocess', 12345)],
netPrevValues=[])
group = {'kernel.percpu.cpu.user': utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.percpu.cpu.user', 111)
self.assertIsNone(c_utime)
def test_returns_the_previous_value_for_a_metric_that_has_no_instances(
self):
utime_mock = Mock(netValues=[('NULL', None, 12345)],
netPrevValues=[('NULL', None, 12354)])
group = {'kernel.all.cpu.user': utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.all.cpu.user', None)
self.assertEqual(c_utime, 12354)
def test_returns_the_previous_value_for_a_metric_that_has_instances(self):
utime_mock = Mock(netValues=[(Mock(inst=111), 'dummyprocess', 12345)],
netPrevValues=[(Mock(inst=111), 'dummyprocess',
12354)])
group = {'kernel.percpu.cpu.user': utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.percpu.cpu.user', 111)
self.assertEqual(c_utime, 12354)
def test_returns_none_if_a_metric_does_not_exist_for_a_metric_that_has_no_instance(
self):
utime_mock = Mock(netValues=[('NULL', None, 12345)],
netPrevValues=[('NULL', None, 12354)])
group = {'kernel.all.cpu.user': utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.current_value('kernel.all.cpu.guest', None)
self.assertIsNone(c_utime)
def test_returns_none_if_a_metric_does_not_exist_for_an_instance(self):
utime_mock = Mock(netValues=[(Mock(inst=111), 'dummyprocess', 12345)],
netPrevValues=[(Mock(inst=111), 'dummyprocess',
12354)])
group = {'kernel.percpu.cpu.user': utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.current_value('kernel.percpu.cpu.vuser', 111)
self.assertIsNone(c_utime)
def test_returns_none_if_a_metric_for_previous_value_does_not_exist_for_an_instance(self):
utime_mock = Mock(
netValues = [(Mock(inst=111),'dummyprocess',12345)],
netPrevValues = [(Mock(inst=111),'dummyprocess',12354)]
)
group = {'kernel.percpu.cpu.user':utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.percpu.cpu.vuser',111)
self.assertIsNone(c_utime)
def test_returns_the_previous_value_for_a_metric_that_has_no_instances(self):
utime_mock = Mock(
netValues = [('NULL',None,12345)],
netPrevValues = [('NULL',None,12354)]
)
group = {'kernel.all.cpu.user':utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.all.cpu.user',None)
self.assertEqual(c_utime,12354)
def test_returns_the_previous_value_for_a_metric_that_has_instances(self):
utime_mock = Mock(
netValues = [(Mock(inst=111),'dummyprocess',12345)],
netPrevValues = [(Mock(inst=111),'dummyprocess',12354)]
)
group = {'kernel.percpu.cpu.user':utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.percpu.cpu.user',111)
self.assertEqual(c_utime,12354)
def test_returns_none_if_a_metric_does_not_exist_for_a_metric_that_has_no_instance(self):
utime_mock = Mock(
netValues = [('NULL',None,12345)],
netPrevValues = [('NULL',None,12354)]
)
group = {'kernel.all.cpu.user':utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.current_value('kernel.all.cpu.guest',None)
self.assertIsNone(c_utime)
def test_return_none_if_netprevvalue_returns_empty_list(self):
utime_mock = Mock(
netValues = [(Mock(inst=111),'dummyprocess',12345)],
netPrevValues = []
)
group = {'kernel.percpu.cpu.user':utime_mock}
m_repo = MetricRepository(group)
c_utime = m_repo.previous_value('kernel.percpu.cpu.user',111)
self.assertIsNone(c_utime)
def test_checks_if_metric_values_are_fetched_only_once_if_not_available(self):
proc_utime_mock = Mock(
netValues = [(Mock(inst=111),'dummyprocess',12345)],
netPrevValues = [(Mock(inst=111),'dummyprocess',12354)]
)
group = {'kernel.percpu.cpu.user':proc_utime_mock}
m_repo = MetricRepository(group)
with mock.patch.object(m_repo,'_MetricRepository__fetch_current_values',return_value={111:12345}) as method:
c_ptime = m_repo.current_value('kernel.percpu.cpu.user',111)
fetch_call_count = method.call_count
self.assertEqual(fetch_call_count,1)
def test_checks_if_metric_values_are_fetched_only_once_if_not_available(
self):
proc_utime_mock = Mock(netValues=[(Mock(inst=111), 'dummyprocess',
12345)],
netPrevValues=[(Mock(inst=111), 'dummyprocess',
12354)])
group = {'kernel.percpu.cpu.user': proc_utime_mock}
m_repo = MetricRepository(group)
with mock.patch.object(m_repo,
'_MetricRepository__fetch_current_values',
return_value={111: 12345}) as method:
c_ptime = m_repo.current_value('kernel.percpu.cpu.user', 111)
fetch_call_count = method.call_count
self.assertEqual(fetch_call_count, 1)