tests/python/unittest/test_metric.py

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# to you under the Apache License, Version 2.0 (the
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# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
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import mxnet as mx
import json

def check_metric(metric, *args, **kwargs):
    metric = mx.metric.create(metric, *args, **kwargs)
    str_metric = json.dumps(metric.get_config())
    metric2 = mx.metric.create(str_metric)

    assert metric.get_config() == metric2.get_config()


def test_metrics():
    check_metric('acc', axis=0)
    check_metric('f1')
    check_metric('perplexity', -1)
    check_metric('pearsonr')
    composite = mx.metric.create(['acc', 'f1'])
    check_metric(composite)


if __name__ == '__main__':
    import nose
    nose.runmodule()