#!/usr/bin/env vpython3
#
# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for java_deobfuscate."""
import argparse
import os
import subprocess
import sys
import tempfile
import unittest
# Set by command-line argument.
_JAVA_DEOBFUSCATE_PATH = None
LINE_PREFIXES = [
'',
# logcat -v threadtime
'09-08 14:38:35.535 18029 18084 E qcom_sensors_hal: ',
# logcat
'W/GCM (15158): ',
'W/GCM ( 158): ',
]
TEST_MAP = """\
this.was.Deobfuscated -> FOO:
int[] mFontFamily -> a
1:3:void someMethod(int,android.os.Bundle):65:67 -> bar
never.Deobfuscated -> NOTFOO:
int[] mFontFamily -> a
1:3:void someMethod(int,android.os.Bundle):65:67 -> bar
"""
TEST_DATA = [
'',
'FOO',
'FOO.bar',
'Here is a FOO',
'Here is a class FOO',
'Here is a class FOO baz',
'Here is a "FOO" baz',
'Here is a type "FOO" baz',
'Here is a "FOO.bar" baz',
'SomeError: SomeFrameworkClass in isTestClass for FOO',
'Here is a FOO.bar',
'Here is a FOO.bar baz',
'END FOO#bar',
'new-instance 3810 (LSome/Framework/Class;) in LFOO;',
'FOO: Error message',
'Caused by: FOO: Error message',
'\tat FOO.bar(PG:1)',
'\t at\t FOO.bar\t (\t PG:\t 1\t )',
'0xfff \t( \tPG:\t 1 \t)\tFOO.bar',
('Unable to start activity ComponentInfo{garbage.in/here.test}:'
' java.lang.NullPointerException: Attempt to invoke interface method'
' \'void FOO.bar(int,android.os.Bundle)\' on a null object reference'),
('Caused by: java.lang.NullPointerException: Attempt to read from field'
' \'int[] FOO.a\' on a null object reference'),
'java.lang.VerifyError: FOO',
('java.lang.NoSuchFieldError: No instance field a of type '
'Ljava/lang/Class; in class LFOO;'),
'NOTFOO: Object of type FOO was not destroyed...',
]
EXPECTED_OUTPUT = [
'',
'this.was.Deobfuscated',
'this.was.Deobfuscated.someMethod',
'Here is a FOO',
'Here is a class this.was.Deobfuscated',
'Here is a class FOO baz',
'Here is a "FOO" baz',
'Here is a type "this.was.Deobfuscated" baz',
'Here is a "this.was.Deobfuscated.someMethod" baz',
'SomeError: SomeFrameworkClass in isTestClass for this.was.Deobfuscated',
'Here is a this.was.Deobfuscated.someMethod',
'Here is a FOO.bar baz',
'END this.was.Deobfuscated#someMethod',
'new-instance 3810 (LSome/Framework/Class;) in Lthis/was/Deobfuscated;',
'this.was.Deobfuscated: Error message',
'Caused by: this.was.Deobfuscated: Error message',
'\tat this.was.Deobfuscated.someMethod(Deobfuscated.java:65)',
('\t at\t this.was.Deobfuscated.someMethod\t '
'(\t Deobfuscated.java:\t 65\t )'),
'0xfff \t( \tDeobfuscated.java:\t 65 \t)\tthis.was.Deobfuscated.someMethod',
('Unable to start activity ComponentInfo{garbage.in/here.test}:'
' java.lang.NullPointerException: Attempt to invoke interface method'
' \'void this.was.Deobfuscated.someMethod(int,android.os.Bundle)\' on a'
' null object reference'),
('Caused by: java.lang.NullPointerException: Attempt to read from field'
' \'int[] this.was.Deobfuscated.mFontFamily\' on a null object reference'),
'java.lang.VerifyError: this.was.Deobfuscated',
('java.lang.NoSuchFieldError: No instance field mFontFamily of type '
'Ljava/lang/Class; in class Lthis/was/Deobfuscated;'),
'NOTFOO: Object of type this.was.Deobfuscated was not destroyed...',
]
TEST_DATA = [s + '\n' for s in TEST_DATA]
EXPECTED_OUTPUT = [s + '\n' for s in EXPECTED_OUTPUT]
class JavaDeobfuscateTest(unittest.TestCase):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._map_file = None
def setUp(self):
self._map_file = tempfile.NamedTemporaryFile()
self._map_file.write(TEST_MAP.encode('utf-8'))
self._map_file.flush()
def tearDown(self):
if self._map_file:
self._map_file.close()
def _testImpl(self, input_lines=None, expected_output_lines=None,
prefix=''):
self.assertTrue(bool(input_lines) == bool(expected_output_lines))
if not input_lines:
input_lines = [prefix + x for x in TEST_DATA]
if not expected_output_lines:
expected_output_lines = [prefix + x for x in EXPECTED_OUTPUT]
cmd = [_JAVA_DEOBFUSCATE_PATH, self._map_file.name]
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
proc_output, _ = proc.communicate(''.join(input_lines).encode())
actual_output_lines = proc_output.decode().splitlines(True)
for actual, expected in zip(actual_output_lines, expected_output_lines):
self.assertTrue(
actual == expected or actual.replace('bar', 'someMethod') == expected,
msg=''.join([
'Deobfuscation failed.\n',
' actual: %s' % actual,
' expected: %s' % expected]))
def testNoPrefix(self):
self._testImpl(prefix='')
def testThreadtimePrefix(self):
self._testImpl(prefix='09-08 14:38:35.535 18029 18084 E qcom_sensors_hal: ')
def testStandardPrefix(self):
self._testImpl(prefix='W/GCM (15158): ')
def testStandardPrefixWithPadding(self):
self._testImpl(prefix='W/GCM ( 158): ')
@unittest.skip('causes java_deobfuscate to hang, see crbug.com/876539')
def testIndefiniteHang(self):
# Test for crbug.com/876539.
self._testImpl(
input_lines=[
'VFY: unable to resolve virtual method 2: LFOO;'
+ '.onDescendantInvalidated '
+ '(Landroid/view/View;Landroid/view/View;)V',
],
expected_output_lines=[
'VFY: unable to resolve virtual method 2: Lthis.was.Deobfuscated;'
+ '.onDescendantInvalidated '
+ '(Landroid/view/View;Landroid/view/View;)V',
])
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--java-deobfuscate-path', type=os.path.realpath,
required=True)
known_args, unittest_args = parser.parse_known_args()
_JAVA_DEOBFUSCATE_PATH = known_args.java_deobfuscate_path
unittest_args = [sys.argv[0]] + unittest_args
unittest.main(argv=unittest_args)
Codebase Browser
chromium