STT-tensorflow/tensorflow/lite/tools/visualize_test.py
Meghna Natraj c3759a4130 Add file identifier and model version to python TFLite FlatBuffers
PiperOrigin-RevId: 307843847
Change-Id: If867ffcf8e5770c257f818698acc221b2c91b29e
2020-04-22 10:29:07 -07:00

73 lines
2.8 KiB
Python

# Copyright 2020 The TensorFlow Authors. 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.
# ==============================================================================
"""TensorFlow Lite Python Interface: Sanity check."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
import re
from tensorflow.lite.tools import test_utils
from tensorflow.lite.tools import visualize
from tensorflow.python.framework import test_util
from tensorflow.python.platform import test
class VisualizeTest(test_util.TensorFlowTestCase):
def testTensorTypeToName(self):
self.assertEqual('FLOAT32', visualize.TensorTypeToName(0))
def testBuiltinCodeToName(self):
self.assertEqual('HASHTABLE_LOOKUP', visualize.BuiltinCodeToName(10))
def testFlatbufferToDict(self):
model = test_utils.build_mock_flatbuffer_model()
model_dict = visualize.CreateDictFromFlatbuffer(model)
self.assertEqual(test_utils.TFLITE_SCHEMA_VERSION, model_dict['version'])
self.assertEqual(1, len(model_dict['subgraphs']))
self.assertEqual(1, len(model_dict['operator_codes']))
self.assertEqual(3, len(model_dict['buffers']))
self.assertEqual(3, len(model_dict['subgraphs'][0]['tensors']))
self.assertEqual(0, model_dict['subgraphs'][0]['tensors'][0]['buffer'])
def testVisualize(self):
model = test_utils.build_mock_flatbuffer_model()
tmp_dir = self.get_temp_dir()
model_filename = os.path.join(tmp_dir, 'model.tflite')
with open(model_filename, 'wb') as model_file:
model_file.write(model)
html_filename = os.path.join(tmp_dir, 'visualization.html')
visualize.CreateHtmlFile(model_filename, html_filename)
with open(html_filename, 'r') as html_file:
html_text = html_file.read()
# It's hard to test debug output without doing a full HTML parse,
# but at least sanity check that expected identifiers are present.
self.assertRegex(
html_text, re.compile(r'%s' % model_filename, re.MULTILINE | re.DOTALL))
self.assertRegex(html_text,
re.compile(r'input_tensor', re.MULTILINE | re.DOTALL))
self.assertRegex(html_text,
re.compile(r'constant_tensor', re.MULTILINE | re.DOTALL))
self.assertRegex(html_text, re.compile(r'ADD', re.MULTILINE | re.DOTALL))
if __name__ == '__main__':
test.main()