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)