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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance 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 pytest
import tensorflow as tf


@pytest.mark.skipif(tf.__version__ < "2.0.0", reason="requires tf2")
def test_get_optimizer():
    from submarine.ml.tensorflow_v2.optimizer import get_optimizer

    optimizer_keys = ["adam", "adagrad", "momentum", "ftrl"]
    invalid_optimizer_keys = ["adddam"]

    for optimizer_key in optimizer_keys:
        get_optimizer(optimizer_key=optimizer_key, learning_rate=0.3)

    for invalid_optimizer_key in invalid_optimizer_keys:
        with pytest.raises(ValueError, match="Invalid optimizer_key :"):
            get_optimizer(optimizer_key=invalid_optimizer_key, learning_rate=0.3)
