def test_eval(self):
my_mock = Metric('test')
my_mock.eval = Mock(return_value=None)
metric = MetricList([my_mock])
metric.eval()
my_mock.eval.assert_called_once()
def test_eval(self):
my_mock = Metric('test')
my_mock.eval = Mock(return_value=None)
metric = MetricList([my_mock])
metric.eval()
self.assertEqual(my_mock.eval.call_count, 1)