xref: /aosp_15_r20/external/angle/build/android/stacktrace/java_deobfuscate_test.py (revision 8975f5c5ed3d1c378011245431ada316dfb6f244)
1 #!/usr/bin/env vpython3
2 #
3 # Copyright 2017 The Chromium Authors
4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file.
6 """Tests for java_deobfuscate."""
7 
8 import argparse
9 import os
10 import subprocess
11 import sys
12 import tempfile
13 import unittest
14 
15 # Set by command-line argument.
16 _JAVA_DEOBFUSCATE_PATH = None
17 
18 LINE_PREFIXES = [
19     '',
20     # logcat -v threadtime
21     '09-08 14:38:35.535 18029 18084 E qcom_sensors_hal: ',
22     # logcat
23     'W/GCM     (15158): ',
24     'W/GCM     (  158): ',
25 ]
26 
27 TEST_MAP = """\
28 this.was.Deobfuscated -> FOO:
29     int[] mFontFamily -> a
30     1:3:void someMethod(int,android.os.Bundle):65:67 -> bar
31 never.Deobfuscated -> NOTFOO:
32     int[] mFontFamily -> a
33     1:3:void someMethod(int,android.os.Bundle):65:67 -> bar
34 """
35 
36 TEST_DATA = [
37     '',
38     'FOO',
39     'FOO.bar',
40     'Here is a FOO',
41     'Here is a class FOO',
42     'Here is a class FOO baz',
43     'Here is a "FOO" baz',
44     'Here is a type "FOO" baz',
45     'Here is a "FOO.bar" baz',
46     'SomeError: SomeFrameworkClass in isTestClass for FOO',
47     'Here is a FOO.bar',
48     'Here is a FOO.bar baz',
49     'END FOO#bar',
50     'new-instance 3810 (LSome/Framework/Class;) in LFOO;',
51     'FOO: Error message',
52     'Caused by: FOO: Error message',
53     '\tat FOO.bar(PG:1)',
54     '\t at\t FOO.bar\t (\t PG:\t 1\t )',
55     '0xfff \t( \tPG:\t 1 \t)\tFOO.bar',
56     ('Unable to start activity ComponentInfo{garbage.in/here.test}:'
57      ' java.lang.NullPointerException: Attempt to invoke interface method'
58      ' \'void FOO.bar(int,android.os.Bundle)\' on a null object reference'),
59     ('Caused by: java.lang.NullPointerException: Attempt to read from field'
60      ' \'int[] FOO.a\' on a null object reference'),
61     'java.lang.VerifyError: FOO',
62     ('java.lang.NoSuchFieldError: No instance field a of type '
63      'Ljava/lang/Class; in class LFOO;'),
64     'NOTFOO: Object of type FOO was not destroyed...',
65 ]
66 
67 EXPECTED_OUTPUT = [
68     '',
69     'this.was.Deobfuscated',
70     'this.was.Deobfuscated.someMethod',
71     'Here is a FOO',
72     'Here is a class this.was.Deobfuscated',
73     'Here is a class FOO baz',
74     'Here is a "FOO" baz',
75     'Here is a type "this.was.Deobfuscated" baz',
76     'Here is a "this.was.Deobfuscated.someMethod" baz',
77     'SomeError: SomeFrameworkClass in isTestClass for this.was.Deobfuscated',
78     'Here is a this.was.Deobfuscated.someMethod',
79     'Here is a FOO.bar baz',
80     'END this.was.Deobfuscated#someMethod',
81     'new-instance 3810 (LSome/Framework/Class;) in Lthis/was/Deobfuscated;',
82     'this.was.Deobfuscated: Error message',
83     'Caused by: this.was.Deobfuscated: Error message',
84     '\tat this.was.Deobfuscated.someMethod(Deobfuscated.java:65)',
85     ('\t at\t this.was.Deobfuscated.someMethod\t '
86      '(\t Deobfuscated.java:\t 65\t )'),
87     '0xfff \t( \tDeobfuscated.java:\t 65 \t)\tthis.was.Deobfuscated.someMethod',
88     ('Unable to start activity ComponentInfo{garbage.in/here.test}:'
89      ' java.lang.NullPointerException: Attempt to invoke interface method'
90      ' \'void this.was.Deobfuscated.someMethod(int,android.os.Bundle)\' on a'
91      ' null object reference'),
92     ('Caused by: java.lang.NullPointerException: Attempt to read from field'
93      ' \'int[] this.was.Deobfuscated.mFontFamily\' on a null object reference'),
94     'java.lang.VerifyError: this.was.Deobfuscated',
95     ('java.lang.NoSuchFieldError: No instance field mFontFamily of type '
96      'Ljava/lang/Class; in class Lthis/was/Deobfuscated;'),
97     'NOTFOO: Object of type this.was.Deobfuscated was not destroyed...',
98 ]
99 TEST_DATA = [s + '\n' for s in TEST_DATA]
100 EXPECTED_OUTPUT = [s + '\n' for s in EXPECTED_OUTPUT]
101 
102 
103 class JavaDeobfuscateTest(unittest.TestCase):
104 
105   def __init__(self, *args, **kwargs):
106     super().__init__(*args, **kwargs)
107     self._map_file = None
108 
109   def setUp(self):
110     self._map_file = tempfile.NamedTemporaryFile()
111     self._map_file.write(TEST_MAP.encode('utf-8'))
112     self._map_file.flush()
113 
114   def tearDown(self):
115     if self._map_file:
116       self._map_file.close()
117 
118   def _testImpl(self, input_lines=None, expected_output_lines=None,
119                 prefix=''):
120     self.assertTrue(bool(input_lines) == bool(expected_output_lines))
121 
122     if not input_lines:
123       input_lines = [prefix + x for x in TEST_DATA]
124     if not expected_output_lines:
125       expected_output_lines = [prefix + x for x in EXPECTED_OUTPUT]
126 
127     cmd = [_JAVA_DEOBFUSCATE_PATH, self._map_file.name]
128     proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
129     proc_output, _ = proc.communicate(''.join(input_lines).encode())
130     actual_output_lines = proc_output.decode().splitlines(True)
131     for actual, expected in zip(actual_output_lines, expected_output_lines):
132       self.assertTrue(
133           actual == expected or actual.replace('bar', 'someMethod') == expected,
134           msg=''.join([
135               'Deobfuscation failed.\n',
136               '  actual:   %s' % actual,
137               '  expected: %s' % expected]))
138 
139   def testNoPrefix(self):
140     self._testImpl(prefix='')
141 
142   def testThreadtimePrefix(self):
143     self._testImpl(prefix='09-08 14:38:35.535 18029 18084 E qcom_sensors_hal: ')
144 
145   def testStandardPrefix(self):
146     self._testImpl(prefix='W/GCM     (15158): ')
147 
148   def testStandardPrefixWithPadding(self):
149     self._testImpl(prefix='W/GCM     (  158): ')
150 
151   @unittest.skip('causes java_deobfuscate to hang, see crbug.com/876539')
152   def testIndefiniteHang(self):
153     # Test for crbug.com/876539.
154     self._testImpl(
155         input_lines=[
156             'VFY: unable to resolve virtual method 2: LFOO;'
157                 + '.onDescendantInvalidated '
158                 + '(Landroid/view/View;Landroid/view/View;)V',
159         ],
160         expected_output_lines=[
161             'VFY: unable to resolve virtual method 2: Lthis.was.Deobfuscated;'
162                 + '.onDescendantInvalidated '
163                 + '(Landroid/view/View;Landroid/view/View;)V',
164         ])
165 
166 
167 if __name__ == '__main__':
168   parser = argparse.ArgumentParser()
169   parser.add_argument('--java-deobfuscate-path', type=os.path.realpath,
170                       required=True)
171   known_args, unittest_args = parser.parse_known_args()
172   _JAVA_DEOBFUSCATE_PATH = known_args.java_deobfuscate_path
173   unittest_args = [sys.argv[0]] + unittest_args
174   unittest.main(argv=unittest_args)
175