STT-tensorflow/tensorflow/lite/schema/upgrade_schema_test.py
Gaurav Jain f618ab4955 Move away from deprecated asserts
- assertEquals -> assertEqual
- assertRaisesRegexp -> assertRegexpMatches
- assertRegexpMatches -> assertRegex

PiperOrigin-RevId: 319118081
Change-Id: Ieb457128522920ab55d6b69a7f244ab798a7d689
2020-06-30 16:10:22 -07:00

323 lines
8.4 KiB
Python

# Copyright 2017 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.
# ==============================================================================
"""Testing for updating TensorFlow lite schema."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import json
import tempfile
from tensorflow.lite.schema import upgrade_schema as upgrade_schema_lib
from tensorflow.python.framework import test_util
from tensorflow.python.platform import test as test_lib
EMPTY_TEST_SCHEMA_V1 = {
"version": 1,
"operator_codes": [],
"subgraphs": [],
}
EMPTY_TEST_SCHEMA_V3 = {
"version": 3,
"operator_codes": [],
"subgraphs": [],
"buffers": [{
"data": []
}]
}
TEST_SCHEMA_V0 = {
"operator_codes": [],
"tensors": [],
"inputs": [],
"outputs": [],
"operators": [],
"version": 0
}
TEST_SCHEMA_V3 = {
"operator_codes": [],
"buffers": [{
"data": []
}],
"subgraphs": [{
"tensors": [],
"inputs": [],
"outputs": [],
"operators": [],
}],
"version":
3
}
FULL_TEST_SCHEMA_V1 = {
"version":
1,
"operator_codes": [
{
"builtin_code": "CONVOLUTION"
},
{
"builtin_code": "DEPTHWISE_CONVOLUTION"
},
{
"builtin_code": "AVERAGE_POOL"
},
{
"builtin_code": "MAX_POOL"
},
{
"builtin_code": "L2_POOL"
},
{
"builtin_code": "SIGMOID"
},
{
"builtin_code": "L2NORM"
},
{
"builtin_code": "LOCAL_RESPONSE_NORM"
},
{
"builtin_code": "ADD"
},
{
"builtin_code": "Basic_RNN"
},
],
"subgraphs": [{
"operators": [
{
"builtin_options_type": "PoolOptions"
},
{
"builtin_options_type": "DepthwiseConvolutionOptions"
},
{
"builtin_options_type": "ConvolutionOptions"
},
{
"builtin_options_type": "LocalResponseNormOptions"
},
{
"builtin_options_type": "BasicRNNOptions"
},
],
}],
"description":
"",
}
FULL_TEST_SCHEMA_V3 = {
"version":
3,
"operator_codes": [
{
"builtin_code": "CONV_2D"
},
{
"builtin_code": "DEPTHWISE_CONV_2D"
},
{
"builtin_code": "AVERAGE_POOL_2D"
},
{
"builtin_code": "MAX_POOL_2D"
},
{
"builtin_code": "L2_POOL_2D"
},
{
"builtin_code": "LOGISTIC"
},
{
"builtin_code": "L2_NORMALIZATION"
},
{
"builtin_code": "LOCAL_RESPONSE_NORMALIZATION"
},
{
"builtin_code": "ADD"
},
{
"builtin_code": "RNN"
},
],
"subgraphs": [{
"operators": [
{
"builtin_options_type": "Pool2DOptions"
},
{
"builtin_options_type": "DepthwiseConv2DOptions"
},
{
"builtin_options_type": "Conv2DOptions"
},
{
"builtin_options_type": "LocalResponseNormalizationOptions"
},
{
"builtin_options_type": "RNNOptions"
},
],
}],
"description":
"",
"buffers": [{
"data": []
}]
}
BUFFER_TEST_V2 = {
"operator_codes": [],
"buffers": [],
"subgraphs": [{
"tensors": [
{
"data_buffer": [1, 2, 3, 4]
},
{
"data_buffer": [1, 2, 3, 4, 5, 6, 7, 8]
},
{
"data_buffer": []
},
],
"inputs": [],
"outputs": [],
"operators": [],
}],
"version":
2
}
BUFFER_TEST_V3 = {
"operator_codes": [],
"subgraphs": [{
"tensors": [
{
"buffer": 1
},
{
"buffer": 2
},
{
"buffer": 0
},
],
"inputs": [],
"outputs": [],
"operators": [],
}],
"buffers": [
{
"data": []
},
{
"data": [1, 2, 3, 4]
},
{
"data": [1, 2, 3, 4, 5, 6, 7, 8]
},
],
"version":
3
}
def JsonDumpAndFlush(data, fp):
"""Write the dictionary `data` to a JSON file `fp` (and flush).
Args:
data: in a dictionary that is JSON serializable.
fp: File-like object
"""
json.dump(data, fp)
fp.flush()
class TestSchemaUpgrade(test_util.TensorFlowTestCase):
def testNonExistentFile(self):
converter = upgrade_schema_lib.Converter()
non_existent = tempfile.mktemp(suffix=".json")
with self.assertRaisesRegex(IOError, "No such file or directory"):
converter.Convert(non_existent, non_existent)
def testInvalidExtension(self):
converter = upgrade_schema_lib.Converter()
invalid_extension = tempfile.mktemp(suffix=".foo")
with self.assertRaisesRegex(ValueError, "Invalid extension on input"):
converter.Convert(invalid_extension, invalid_extension)
with tempfile.NamedTemporaryFile(suffix=".json", mode="w+") as in_json:
JsonDumpAndFlush(EMPTY_TEST_SCHEMA_V1, in_json)
with self.assertRaisesRegex(ValueError, "Invalid extension on output"):
converter.Convert(in_json.name, invalid_extension)
def CheckConversion(self, data_old, data_expected):
"""Given a data dictionary, test upgrading to current version.
Args:
data_old: TFLite model as a dictionary (arbitrary version).
data_expected: TFLite model as a dictionary (upgraded).
"""
converter = upgrade_schema_lib.Converter()
with tempfile.NamedTemporaryFile(suffix=".json", mode="w+") as in_json, \
tempfile.NamedTemporaryFile(
suffix=".json", mode="w+") as out_json, \
tempfile.NamedTemporaryFile(
suffix=".bin", mode="w+b") as out_bin, \
tempfile.NamedTemporaryFile(
suffix=".tflite", mode="w+b") as out_tflite:
JsonDumpAndFlush(data_old, in_json)
# Test JSON output
converter.Convert(in_json.name, out_json.name)
# Test binary output
# Convert to .tflite and then to .bin and check if binary is equal
converter.Convert(in_json.name, out_tflite.name)
converter.Convert(out_tflite.name, out_bin.name)
self.assertEqual(
open(out_bin.name, "rb").read(),
open(out_tflite.name, "rb").read())
# Test that conversion actually produced successful new json.
converted_schema = json.load(out_json)
self.assertEqual(converted_schema, data_expected)
def testAlreadyUpgraded(self):
"""A file already at version 3 should stay at version 3."""
self.CheckConversion(EMPTY_TEST_SCHEMA_V3, EMPTY_TEST_SCHEMA_V3)
self.CheckConversion(TEST_SCHEMA_V3, TEST_SCHEMA_V3)
self.CheckConversion(BUFFER_TEST_V3, BUFFER_TEST_V3)
# Disable this while we have incorrectly versioned structures around.
# def testV0Upgrade_IntroducesSubgraphs(self):
# """V0 did not have subgraphs; check to make sure they get introduced."""
# self.CheckConversion(TEST_SCHEMA_V0, TEST_SCHEMA_V3)
def testV1Upgrade_RenameOps(self):
"""V1 had many different names for ops; check to make sure they rename."""
self.CheckConversion(EMPTY_TEST_SCHEMA_V1, EMPTY_TEST_SCHEMA_V3)
self.CheckConversion(FULL_TEST_SCHEMA_V1, FULL_TEST_SCHEMA_V3)
def testV2Upgrade_CreateBuffers(self):
"""V2 did not have buffers; check to make sure they are created."""
self.CheckConversion(BUFFER_TEST_V2, BUFFER_TEST_V3)
if __name__ == "__main__":
test_lib.main()