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51 行
1.9 KiB
51 行
1.9 KiB
import os
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import tempfile
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import pytest
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import mlagents.trainers.tensorflow_to_barracuda as tf2bc
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from mlagents.trainers.tests.test_nn_policy import create_policy_mock
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from mlagents.trainers.settings import TrainerSettings
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from mlagents.tf_utils import tf
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from mlagents.model_serialization import SerializationSettings, export_policy_model
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def test_barracuda_converter():
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path_prefix = os.path.dirname(os.path.abspath(__file__))
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tmpfile = os.path.join(
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tempfile._get_default_tempdir(), next(tempfile._get_candidate_names()) + ".nn"
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)
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# make sure there are no left-over files
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if os.path.isfile(tmpfile):
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os.remove(tmpfile)
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tf2bc.convert(path_prefix + "/BasicLearning.pb", tmpfile)
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# test if file exists after conversion
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assert os.path.isfile(tmpfile)
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# currently converter produces small output file even if input file is empty
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# 100 bytes is high enough to prove that conversion was successful
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assert os.path.getsize(tmpfile) > 100
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# cleanup
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os.remove(tmpfile)
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@pytest.mark.parametrize("discrete", [True, False], ids=["discrete", "continuous"])
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@pytest.mark.parametrize("visual", [True, False], ids=["visual", "vector"])
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@pytest.mark.parametrize("rnn", [True, False], ids=["rnn", "no_rnn"])
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def test_policy_conversion(tmpdir, rnn, visual, discrete):
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tf.reset_default_graph()
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dummy_config = TrainerSettings(output_path=os.path.join(tmpdir, "test"))
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policy = create_policy_mock(
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dummy_config, use_rnn=rnn, use_discrete=discrete, use_visual=visual
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)
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policy.save_model(1000)
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settings = SerializationSettings(
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policy.model_path, os.path.join(tmpdir, policy.brain.brain_name)
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)
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export_policy_model(settings, policy.graph, policy.sess)
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# These checks taken from test_barracuda_converter
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assert os.path.isfile(os.path.join(tmpdir, "test.nn"))
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assert os.path.getsize(os.path.join(tmpdir, "test.nn")) > 100
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