Merge "Fix non-determinism in tests." am: e34e5b5442 am: 087e9ef59b

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1347982

Change-Id: I28d775699333c041c04dffd08983a5e1e36aa54b
This commit is contained in:
Treehugger Robot 2020-07-16 23:19:53 +00:00 committed by Automerger Merge Worker
commit 12822092eb

View file

@ -19,7 +19,7 @@ import io
import textwrap
import unittest
from xml.etree.ElementTree import tostring
from xml.etree.ElementTree import fromstring
from symbolfile import FUTURE_API_LEVEL, SymbolFileParser
import ndk_api_coverage_parser as nparser
@ -27,6 +27,30 @@ import ndk_api_coverage_parser as nparser
# pylint: disable=missing-docstring
# https://stackoverflow.com/a/24349916/632035
def etree_equal(elem1, elem2):
"""Returns true if the two XML elements are equal.
xml.etree.ElementTree's comparison operator cares about the ordering of
elements and attributes, but they are stored in an unordered dict so the
ordering is not deterministic.
lxml is apparently API compatible with xml and does use an OrderedDict, but
we don't have it in the tree.
"""
if elem1.tag != elem2.tag:
return False
if elem1.text != elem2.text:
return False
if elem1.tail != elem2.tail:
return False
if elem1.attrib != elem2.attrib:
return False
if len(elem1) != len(elem2):
return False
return all(etree_equal(c1, c2) for c1, c2 in zip(elem1, elem2))
class ApiCoverageSymbolFileParserTest(unittest.TestCase):
def test_parse(self):
input_file = io.StringIO(textwrap.dedent(u"""\
@ -52,9 +76,9 @@ class ApiCoverageSymbolFileParserTest(unittest.TestCase):
"""))
parser = SymbolFileParser(input_file, {}, "", FUTURE_API_LEVEL, True, True)
generator = nparser.XmlGenerator(io.StringIO())
result = tostring(generator.convertToXml(parser.parse())).decode()
expected = '<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>'
self.assertEqual(expected, result)
result = generator.convertToXml(parser.parse())
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>')
self.assertTrue(etree_equal(expected, result))
def main():