minigo/tests/test_dual_net.py at minigui · artasparks/minigo

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# Licensed 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

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

import os

import tempfile

import unittest

import dual_net

import go

import preprocessing

from tests import test_utils

fast_hparams = {'k': 1, 'fc_width': 2, 'num_shared_layers': 1}

dual_net.EXAMPLES_PER_GENERATION = dual_net.TRAIN_BATCH_SIZE

class TestDualNet(test_utils.MiniGoUnitTest):

def test_train(self):

with tempfile.TemporaryDirectory() as working_dir, \

tempfile.NamedTemporaryFile() as tf_record:

preprocessing.make_dataset_from_sgf(

'tests/example_game.sgf', tf_record.name)

dual_net.train(working_dir, [tf_record.name], 1, **fast_hparams)

def test_inference(self):

with tempfile.TemporaryDirectory() as working_dir, \

tempfile.TemporaryDirectory() as export_dir:

dual_net.bootstrap(working_dir, **fast_hparams)

exported_model = os.path.join(export_dir, 'bootstrap-model')

dual_net.export_model(working_dir, exported_model)

n1 = dual_net.DualNetwork(exported_model, **fast_hparams)

n1.run(go.Position())

# In the past we've had issues initializing two separate NNs

# in the same process... just double check that two DualNetwork

# instances can live side by side.

n2 = dual_net.DualNetwork(exported_model, **fast_hparams)

n2.run(go.Position())