EasyCV/tests/utils/test_json_utils.py

137 lines
4.7 KiB
Python

#! -*- coding: utf8 -*-
# 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.
# ==============================================================================
"""Tests for google3.image.understanding.utils.json_utils."""
import json
import os
import tempfile
import unittest
from easycv.file import io
from easycv.utils import json_utils
class JsonUtilsTest(unittest.TestCase):
def testDumpReasonablePrecision(self):
output_path = os.path.join(tempfile.gettempdir(), 'test.json')
with io.open(output_path, 'w') as f:
json_utils.dump(1.0, f, float_digits=2)
with io.open(output_path, 'r') as f:
self.assertEqual(f.read(), '1.00')
def testDumpPassExtraParams(self):
output_path = os.path.join(tempfile.gettempdir(), 'test.json')
with io.open(output_path, 'w') as f:
json_utils.dump([1.0], f, float_digits=2, indent=3)
with io.open(output_path, 'r') as f:
self.assertEqual(f.read(), '[\n 1.00\n]')
def testDumpZeroPrecision(self):
output_path = os.path.join(tempfile.gettempdir(), 'test.json')
with io.open(output_path, 'w') as f:
json_utils.dump(1.0, f, float_digits=0, indent=3)
with io.open(output_path, 'r') as f:
self.assertEqual(f.read(), '1')
def testDumpUnspecifiedPrecision(self):
output_path = os.path.join(tempfile.gettempdir(), 'test.json')
with io.open(output_path, 'w') as f:
json_utils.dump(1.012345, f)
with io.open(output_path, 'r') as f:
self.assertEqual(f.read(), '1.012345')
def testDumpsReasonablePrecision(self):
s = json_utils.dumps(1.0, float_digits=2)
self.assertEqual(s, '1.00')
def testDumpsPassExtraParams(self):
s = json_utils.dumps([1.0], float_digits=2, indent=3)
self.assertEqual(s, '[\n 1.00\n]')
def testDumpsZeroPrecision(self):
s = json_utils.dumps(1.0, float_digits=0)
self.assertEqual(s, '1')
def testDumpsUnspecifiedPrecision(self):
s = json_utils.dumps(1.012345)
self.assertEqual(s, '1.012345')
def testPrettyParams(self):
s = json_utils.dumps({
'v': 1.012345,
'n': 2
}, **json_utils.PrettyParams())
self.assertEqual(s, '{\n "n": 2,\n "v": 1.0123\n}')
def testPrettyParamsExtraParamsInside(self):
s = json_utils.dumps({
'v': 1.012345,
'n': float('nan')
}, **json_utils.PrettyParams(allow_nan=True))
self.assertEqual(s, '{\n "n": NaN,\n "v": 1.0123\n}')
with self.assertRaises(ValueError):
s = json_utils.dumps({
'v': 1.012345,
'n': float('nan')
}, **json_utils.PrettyParams(allow_nan=False))
def testPrettyParamsExtraParamsOutside(self):
s = json_utils.dumps({
'v': 1.012345,
'n': float('nan')
},
allow_nan=True,
**json_utils.PrettyParams())
self.assertEqual(s, '{\n "n": NaN,\n "v": 1.0123\n}')
with self.assertRaises(ValueError):
s = json_utils.dumps({
'v': 1.012345,
'n': float('nan')
},
allow_nan=False,
**json_utils.PrettyParams())
def testDumpsNumpy(self):
import numpy as np
data = [np.array([1, 2]) for i in range(5)]
s = json.dumps(data, cls=json_utils.MyEncoder)
new_data = json.loads(s)
self.assertTrue(isinstance(new_data, list))
self.assertTrue(isinstance(new_data[0], list))
data = {
'detection_class_names': np.array(['cls1', 'cl2']),
'detection_boxes': np.array([[1, 1, 0, 0], [1, 0, 1, 1]]),
'text': np.array(['中文1', '中文2'])
}
s = json_utils.compat_dumps(data)
self.assertTrue(isinstance(s, str))
print(s)
def testCompatDumps(self):
import numpy as np
a = np.array([0.123344, 0.12333])
s = json_utils.compat_dumps(a, float_digits=3)
self.assertTrue(s, '[0.123, 0.123]')
print(s)
if __name__ == '__main__':
unittest.main()