1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
#!/usr/bin/env python
# Copyright 2016 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import subprocess
import sys
import unittest
import v8_foozzie
import v8_fuzz_config
import v8_suppressions
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
FOOZZIE = os.path.join(BASE_DIR, 'v8_foozzie.py')
TEST_DATA = os.path.join(BASE_DIR, 'testdata')
class ConfigTest(unittest.TestCase):
def testExperiments(self):
"""Test that probabilities add up to 100 and that all config names exist.
"""
EXPERIMENTS = v8_fuzz_config.FOOZZIE_EXPERIMENTS
CONFIGS = v8_foozzie.CONFIGS
assert sum(x[0] for x in EXPERIMENTS) == 100
assert all(map(lambda x: x[1] in CONFIGS, EXPERIMENTS))
assert all(map(lambda x: x[2] in CONFIGS, EXPERIMENTS))
assert all(map(lambda x: x[3].endswith('d8'), EXPERIMENTS))
def testConfig(self):
"""Smoke test how to choose experiments.
When experiment distribution changes this test might change, too.
"""
class Rng(object):
def random(self):
return 0.5
self.assertEqual(
[
'--first-config=ignition_no_ic',
'--second-config=ignition_turbo',
'--second-d8=d8',
'--second-config-extra-flags=--stress-scavenge=100',
'--second-config-extra-flags=--no-regexp-tier-up',
],
v8_fuzz_config.Config('foo', Rng(), 42).choose_foozzie_flags(),
)
class UnitTest(unittest.TestCase):
def testDiff(self):
# TODO(machenbach): Mock out suppression configuration.
suppress = v8_suppressions.get_suppression(
'x64', 'ignition', 'x64', 'ignition_turbo')
one = ''
two = ''
diff = None, None
self.assertEquals(diff, suppress.diff(one, two))
one = 'a \n b\nc();'
two = 'a \n b\nc();'
diff = None, None
self.assertEquals(diff, suppress.diff(one, two))
# Ignore line before caret, caret position and error message.
one = """
undefined
weird stuff
^
somefile.js: TypeError: undefined is not a function
undefined
"""
two = """
undefined
other weird stuff
^
somefile.js: TypeError: baz is not a function
undefined
"""
diff = None, None
self.assertEquals(diff, suppress.diff(one, two))
one = """
Still equal
Extra line
"""
two = """
Still equal
"""
diff = '- Extra line', None
self.assertEquals(diff, suppress.diff(one, two))
one = """
Still equal
"""
two = """
Still equal
Extra line
"""
diff = '+ Extra line', None
self.assertEquals(diff, suppress.diff(one, two))
one = """
undefined
somefile.js: TypeError: undefined is not a constructor
"""
two = """
undefined
otherfile.js: TypeError: undefined is not a constructor
"""
diff = """- somefile.js: TypeError: undefined is not a constructor
+ otherfile.js: TypeError: undefined is not a constructor""", None
self.assertEquals(diff, suppress.diff(one, two))
def cut_verbose_output(stdout):
# This removes first lines containing d8 commands.
return '\n'.join(stdout.split('\n')[4:])
def run_foozzie(first_d8, second_d8, *extra_flags):
return subprocess.check_output([
sys.executable, FOOZZIE,
'--random-seed', '12345',
'--first-d8', os.path.join(TEST_DATA, first_d8),
'--second-d8', os.path.join(TEST_DATA, second_d8),
'--first-config', 'ignition',
'--second-config', 'ignition_turbo',
os.path.join(TEST_DATA, 'fuzz-123.js'),
] + list(extra_flags))
class SystemTest(unittest.TestCase):
def testSyntaxErrorDiffPass(self):
stdout = run_foozzie('test_d8_1.py', 'test_d8_2.py', '--skip-sanity-checks')
self.assertEquals('# V8 correctness - pass\n', cut_verbose_output(stdout))
def testDifferentOutputFail(self):
with open(os.path.join(TEST_DATA, 'failure_output.txt')) as f:
expected_output = f.read()
with self.assertRaises(subprocess.CalledProcessError) as ctx:
run_foozzie('test_d8_1.py', 'test_d8_3.py', '--skip-sanity-checks',
'--first-config-extra-flags=--flag1',
'--first-config-extra-flags=--flag2=0',
'--second-config-extra-flags=--flag3')
e = ctx.exception
self.assertEquals(v8_foozzie.RETURN_FAIL, e.returncode)
self.assertEquals(expected_output, cut_verbose_output(e.output))
def testSanityCheck(self):
with open(os.path.join(TEST_DATA, 'sanity_check_output.txt')) as f:
expected_output = f.read()
with self.assertRaises(subprocess.CalledProcessError) as ctx:
run_foozzie('test_d8_1.py', 'test_d8_3.py')
e = ctx.exception
self.assertEquals(v8_foozzie.RETURN_FAIL, e.returncode)
self.assertEquals(expected_output, e.output)
if __name__ == '__main__':
unittest.main()
|
