1#!/usr/bin/env python
2#
3# Copyright (C) 2016 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16#
17"""Tests for ndk_api_coverage_parser.py."""
18import io
19import textwrap
20import unittest
21
22from xml.etree.ElementTree import fromstring
23from symbolfile import FUTURE_API_LEVEL, SymbolFileParser
24import ndk_api_coverage_parser as nparser
25
26
27# pylint: disable=missing-docstring
28
29
30# https://stackoverflow.com/a/24349916/632035
31def etree_equal(elem1, elem2):
32    """Returns true if the two XML elements are equal.
33
34    xml.etree.ElementTree's comparison operator cares about the ordering of
35    elements and attributes, but they are stored in an unordered dict so the
36    ordering is not deterministic.
37
38    lxml is apparently API compatible with xml and does use an OrderedDict, but
39    we don't have it in the tree.
40    """
41    if elem1.tag != elem2.tag:
42        return False
43    if elem1.text != elem2.text:
44        return False
45    if elem1.tail != elem2.tail:
46        return False
47    if elem1.attrib != elem2.attrib:
48        return False
49    if len(elem1) != len(elem2):
50        return False
51    return all(etree_equal(c1, c2) for c1, c2 in zip(elem1, elem2))
52
53
54class ApiCoverageSymbolFileParserTest(unittest.TestCase):
55    def test_parse(self):
56        input_file = io.StringIO(textwrap.dedent(u"""\
57            LIBLOG { # introduced-arm64=24 introduced-x86=24 introduced-x86_64=24
58              global:
59                android_name_to_log_id; # apex llndk introduced=23
60                android_log_id_to_name; # llndk arm
61                __android_log_assert; # introduced-x86=23
62                __android_log_buf_print; # var
63                __android_log_buf_write;
64              local:
65                *;
66            };
67
68            LIBLOG_PLATFORM {
69                android_fdtrack; # llndk
70                android_net; # introduced=23
71            };
72
73            LIBLOG_FOO { # var
74                android_var;
75            };
76        """))
77        parser = SymbolFileParser(input_file, {}, "", FUTURE_API_LEVEL, True, True)
78        generator = nparser.XmlGenerator(io.StringIO())
79        result = generator.convertToXml(parser.parse())
80        expected = fromstring('<ndk-library><symbol apex="True" arch="" introduced="23" introduced-arm64="24" introduced-x86="24" introduced-x86_64="24" is_deprecated="False" is_platform="False" llndk="True" name="android_name_to_log_id" /><symbol arch="arm" introduced-arm64="24" introduced-x86="24" introduced-x86_64="24" is_deprecated="False" is_platform="False" llndk="True" name="android_log_id_to_name" /><symbol arch="" introduced-arm64="24" introduced-x86="23" introduced-x86_64="24" is_deprecated="False" is_platform="False" name="__android_log_assert" /><symbol arch="" introduced-arm64="24" introduced-x86="24" introduced-x86_64="24" is_deprecated="False" is_platform="False" name="__android_log_buf_write" /><symbol arch="" is_deprecated="False" is_platform="True" llndk="True" name="android_fdtrack" /><symbol arch="" introduced="23" is_deprecated="False" is_platform="True" name="android_net" /></ndk-library>')
81        self.assertTrue(etree_equal(expected, result))
82
83
84def main():
85    suite = unittest.TestLoader().loadTestsFromName(__name__)
86    unittest.TextTestRunner(verbosity=3).run(suite)
87
88
89if __name__ == '__main__':
90    main()
91