0fae93f401
Before, configurations were chosen on clusterfuzz side. This migrates the choice to the V8 repo, to enable easier changing it and to allow sharing it between different fuzzers. NOTRY=true TBR=sergiyb@chromium.org Bug: chromium:813833 Change-Id: I9890a36fd6aab171d3e13172fc55b274f189e532 Reviewed-on: https://chromium-review.googlesource.com/927681 Reviewed-by: Michael Achenbach <machenbach@chromium.org> Commit-Queue: Michael Achenbach <machenbach@chromium.org> Cr-Commit-Position: refs/heads/master@{#51410}
148 lines
3.9 KiB
Python
Executable File
148 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2016 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import os
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import subprocess
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import sys
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import unittest
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import v8_foozzie
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import v8_fuzz_config
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import v8_suppressions
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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FOOZZIE = os.path.join(BASE_DIR, 'v8_foozzie.py')
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TEST_DATA = os.path.join(BASE_DIR, 'testdata')
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class ConfigTest(unittest.TestCase):
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def testExperiments(self):
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"""Test that probabilities add up to 100 and that all config names exist.
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"""
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EXPERIMENTS = v8_fuzz_config.FOOZZIE_EXPERIMENTS
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CONFIGS = v8_foozzie.CONFIGS
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assert sum(x[0] for x in EXPERIMENTS) == 100
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assert all(map(lambda x: x[1] in CONFIGS, EXPERIMENTS))
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assert all(map(lambda x: x[2] in CONFIGS, EXPERIMENTS))
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assert all(map(lambda x: x[3].endswith('d8'), EXPERIMENTS))
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def testConfig(self):
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"""Smoke test how to choose experiments.
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When experiment distribution changes this test might change, too.
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"""
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class Rng(object):
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def random(self):
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return 0.5
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self.assertEqual(
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[
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'--first-config=ignition',
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'--second-config=ignition_turbo',
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'--second-d8=d8',
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],
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v8_fuzz_config.Config('foo', Rng()).choose_foozzie_flags(),
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)
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class UnitTest(unittest.TestCase):
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def testDiff(self):
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# TODO(machenbach): Mock out suppression configuration.
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suppress = v8_suppressions.get_suppression(
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'x64', 'ignition', 'x64', 'ignition_turbo')
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one = ''
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two = ''
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diff = None, None
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self.assertEquals(diff, suppress.diff(one, two))
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one = 'a \n b\nc();'
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two = 'a \n b\nc();'
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diff = None, None
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self.assertEquals(diff, suppress.diff(one, two))
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# Ignore line before caret, caret position and error message.
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one = """
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undefined
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weird stuff
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^
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somefile.js: TypeError: undefined is not a function
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undefined
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"""
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two = """
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undefined
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other weird stuff
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^
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somefile.js: TypeError: baz is not a function
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undefined
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"""
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diff = None, None
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self.assertEquals(diff, suppress.diff(one, two))
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one = """
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Still equal
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Extra line
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"""
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two = """
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Still equal
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"""
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diff = '- Extra line', None
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self.assertEquals(diff, suppress.diff(one, two))
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one = """
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Still equal
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"""
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two = """
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Still equal
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Extra line
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"""
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diff = '+ Extra line', None
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self.assertEquals(diff, suppress.diff(one, two))
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one = """
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undefined
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somefile.js: TypeError: undefined is not a constructor
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"""
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two = """
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undefined
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otherfile.js: TypeError: undefined is not a constructor
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"""
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diff = """- somefile.js: TypeError: undefined is not a constructor
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+ otherfile.js: TypeError: undefined is not a constructor""", None
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self.assertEquals(diff, suppress.diff(one, two))
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def cut_verbose_output(stdout):
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return '\n'.join(stdout.split('\n')[2:])
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def run_foozzie(first_d8, second_d8):
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return subprocess.check_output([
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sys.executable, FOOZZIE,
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'--random-seed', '12345',
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'--first-d8', os.path.join(TEST_DATA, first_d8),
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'--second-d8', os.path.join(TEST_DATA, second_d8),
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'--first-config', 'ignition',
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'--second-config', 'ignition_turbo',
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os.path.join(TEST_DATA, 'fuzz-123.js'),
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])
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class SystemTest(unittest.TestCase):
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def testSyntaxErrorDiffPass(self):
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stdout = run_foozzie('test_d8_1.py', 'test_d8_2.py')
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self.assertEquals('# V8 correctness - pass\n', cut_verbose_output(stdout))
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def testDifferentOutputFail(self):
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with open(os.path.join(TEST_DATA, 'failure_output.txt')) as f:
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expected_output = f.read()
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with self.assertRaises(subprocess.CalledProcessError) as ctx:
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run_foozzie('test_d8_1.py', 'test_d8_3.py')
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e = ctx.exception
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self.assertEquals(v8_foozzie.RETURN_FAIL, e.returncode)
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self.assertEquals(expected_output, cut_verbose_output(e.output))
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if __name__ == '__main__':
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unittest.main()
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