objects.py revision 12339cdd90b2c98eb4f7adf794ddca8de53992b8 
1# Copyright 2013 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15import os
16import os.path
17import sys
18import re
19import json
20import tempfile
21import time
22import unittest
23import subprocess
24
25def int_to_rational(i):
26    """Function to convert Python integers to Camera2 rationals.
27
28    Args:
29        i: Python integer or list of integers.
30
31    Returns:
32        Python dictionary or list of dictionary representing the given int(s)
33        as rationals with denominator=1.
34    """
35    if isinstance(i, list):
36        return [{"numerator":val, "denominator":1} for val in i]
37    else:
38        return {"numerator":i, "denominator":1}
39
40def capture_request(obj):
41    """Function to wrap an object inside a captureRequest object.
42
43    Args:
44        obj: The Python dictionary object to wrap.
45
46    Returns:
47        The dictionary: {"captureRequest": obj}
48    """
49    return {"captureRequest": obj}
50
51def capture_request_list(obj_list):
52    """Function to wrap an object list inside a captureRequestList object.
53
54    Args:
55        obj_list: The list of Python dictionary objects to wrap.
56
57    Returns:
58        The dictionary: {"captureRequestList": obj_list}
59    """
60    return {"captureRequestList": obj_list}
61
62class __UnitTest(unittest.TestCase):
63    """Run a suite of unit tests on this module.
64    """
65
66    # TODO: Add more unit tests.
67
68    def test_int_to_rational(self):
69        """Unit test for int_to_rational.
70        """
71        self.assertEqual(int_to_rational(10),
72                         {"numerator":10,"denominator":1})
73        self.assertEqual(int_to_rational([1,2]),
74                         [{"numerator":1,"denominator":1},
75                          {"numerator":2,"denominator":1}])
76
77if __name__ == '__main__':
78    unittest.main()
79
80