def test_keras_metric(self):
try:
from keras.metrics import MeanAbsoluteError
Scorer.register_custom_metric(MeanAbsoluteError)
Scorer.register_custom_metric('any_weird_metric')
except ImportError:
pass
def test_doubled_custom_metric(self):
def custom_metric(y_true, y_pred):
return 99.9
Scorer.register_custom_metric(('a_custom_metric', custom_metric))
with self.assertRaises(Warning):
Scorer.register_custom_metric(('a_custom_metric', custom_metric))
with self.assertRaises(ValueError):
Scorer.register_custom_metric(None)