1# Lint as: python3
2# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#         http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15# ==============================================================================
16
17"""Test for data_prepare.py."""
18
19from __future__ import absolute_import
20from __future__ import division
21from __future__ import print_function
22
23import csv
24import json
25import os
26import unittest
27from data_prepare import generate_negative_data
28from data_prepare import prepare_original_data
29from data_prepare import write_data
30
31
32class TestPrepare(unittest.TestCase):
33
34    def setUp(self):    # pylint: disable=g-missing-super-call
35        self.file = "./%s/output_%s_%s.txt" % (folders[0], folders[0], names[0])    # pylint: disable=undefined-variable
36        self.data = []
37        prepare_original_data(folders[0], names[0], self.data, self.file)    # pylint: disable=undefined-variable
38
39    def test_prepare_data(self):
40        num = 0
41        with open(self.file, "r") as f:
42            lines = csv.reader(f)
43            for idx, line in enumerate(lines):    # pylint: disable=unused-variable
44                if len(line) == 3 and line[2] == "-":
45                    num += 1
46        self.assertEqual(len(self.data), num)
47        self.assertIsInstance(self.data, list)
48        self.assertIsInstance(self.data[0], dict)
49        self.assertEqual(list(self.data[-1]), ["gesture", "accel_ms2_xyz", "name"])
50        self.assertEqual(self.data[0]["name"], names[0])    # pylint: disable=undefined-variable
51
52    def test_generate_negative(self):
53        original_len = len(self.data)
54        generate_negative_data(self.data)
55        self.assertEqual(original_len + 300, len(self.data))
56        generated_num = 0
57        for idx, data in enumerate(self.data):    # pylint: disable=unused-variable
58            if data["name"] == "negative6" or data["name"] == "negative7" or data[
59                    "name"] == "negative8":
60                generated_num += 1
61        self.assertEqual(generated_num, 300)
62
63    def test_write_data(self):
64        data_path_test = "./data/data0"
65        write_data(self.data, data_path_test)
66        with open(data_path_test, "r") as f:
67            lines = f.readlines()
68            self.assertEqual(len(lines), len(self.data))
69            self.assertEqual(json.loads(lines[0]), self.data[0])
70            self.assertEqual(json.loads(lines[-1]), self.data[-1])
71        os.remove(data_path_test)
72
73
74if __name__ == "__main__":
75    unittest.main()
76