aiexperiments-ai-duet/server/magenta/music/sequence_generator_test.py
2016-11-17 07:33:16 +03:00

101 lines
3.2 KiB
Python

# Copyright 2016 Google Inc. All Rights Reserved.
#
# 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.
"""Tests for sequence_generator."""
# internal imports
import tensorflow as tf
from magenta.music import sequence_generator
from magenta.protobuf import generator_pb2
class TestSequenceGenerator(sequence_generator.BaseSequenceGenerator):
def __init__(self, checkpoint=None, bundle=None):
details = generator_pb2.GeneratorDetails(
id='test_generator',
description='Test Generator')
super(TestSequenceGenerator, self).__init__(details, checkpoint, bundle)
def _initialize_with_checkpoint(self, checkpoint_file):
pass
def _initialize_with_checkpoint_and_metagraph(self, checkpoint_file,
metagraph_file):
pass
def _close(self):
pass
def _generate(self):
pass
def _write_checkpoint_with_metagraph(self, checkpoint_file):
pass
class SequenceGeneratorTest(tf.test.TestCase):
def testSpecifyEitherCheckPointOrBundle(self):
bundle = generator_pb2.GeneratorBundle(
generator_details=generator_pb2.GeneratorDetails(
id='test_generator'),
checkpoint_file=['foo.ckpt'],
metagraph_file='foo.ckpt.meta')
with self.assertRaises(sequence_generator.SequenceGeneratorException):
TestSequenceGenerator(checkpoint='foo.ckpt', bundle=bundle)
with self.assertRaises(sequence_generator.SequenceGeneratorException):
TestSequenceGenerator(checkpoint=None, bundle=None)
TestSequenceGenerator(checkpoint='foo.ckpt')
TestSequenceGenerator(bundle=bundle)
def testUseMatchingGeneratorId(self):
bundle = generator_pb2.GeneratorBundle(
generator_details=generator_pb2.GeneratorDetails(
id='test_generator'),
checkpoint_file=['foo.ckpt'],
metagraph_file='foo.ckpt.meta')
TestSequenceGenerator(bundle=bundle)
bundle.generator_details.id = 'blarg'
with self.assertRaises(sequence_generator.SequenceGeneratorException):
TestSequenceGenerator(bundle=bundle)
def testGetBundleDetails(self):
# Test with non-bundle generator.
seq_gen = TestSequenceGenerator(checkpoint='foo.ckpt')
self.assertEquals(None, seq_gen.bundle_details)
# Test with bundle-based generator.
bundle_details = generator_pb2.GeneratorBundle.BundleDetails(
description='bundle of joy')
bundle = generator_pb2.GeneratorBundle(
generator_details=generator_pb2.GeneratorDetails(
id='test_generator'),
bundle_details=bundle_details,
checkpoint_file=['foo.ckpt'],
metagraph_file='foo.ckpt.meta')
seq_gen = TestSequenceGenerator(bundle=bundle)
self.assertEquals(bundle_details, seq_gen.bundle_details)
if __name__ == '__main__':
tf.test.main()