/usr/share/clang/scan-build-py-4.0/tests/unit/test_report.py is in clang-tools-4.0 1:4.0.1-10~deb9u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | # -*- coding: utf-8 -*-
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
import libear
import libscanbuild.report as sut
import unittest
import os
import os.path
def run_bug_parse(content):
with libear.TemporaryDirectory() as tmpdir:
file_name = os.path.join(tmpdir, 'test.html')
with open(file_name, 'w') as handle:
handle.writelines(content)
for bug in sut.parse_bug_html(file_name):
return bug
def run_crash_parse(content, preproc):
with libear.TemporaryDirectory() as tmpdir:
file_name = os.path.join(tmpdir, preproc + '.info.txt')
with open(file_name, 'w') as handle:
handle.writelines(content)
return sut.parse_crash(file_name)
class ParseFileTest(unittest.TestCase):
def test_parse_bug(self):
content = [
"some header\n",
"<!-- BUGDESC Division by zero -->\n",
"<!-- BUGTYPE Division by zero -->\n",
"<!-- BUGCATEGORY Logic error -->\n",
"<!-- BUGFILE xx -->\n",
"<!-- BUGLINE 5 -->\n",
"<!-- BUGCOLUMN 22 -->\n",
"<!-- BUGPATHLENGTH 4 -->\n",
"<!-- BUGMETAEND -->\n",
"<!-- REPORTHEADER -->\n",
"some tails\n"]
result = run_bug_parse(content)
self.assertEqual(result['bug_category'], 'Logic error')
self.assertEqual(result['bug_path_length'], 4)
self.assertEqual(result['bug_line'], 5)
self.assertEqual(result['bug_description'], 'Division by zero')
self.assertEqual(result['bug_type'], 'Division by zero')
self.assertEqual(result['bug_file'], 'xx')
def test_parse_bug_empty(self):
content = []
result = run_bug_parse(content)
self.assertEqual(result['bug_category'], 'Other')
self.assertEqual(result['bug_path_length'], 1)
self.assertEqual(result['bug_line'], 0)
def test_parse_crash(self):
content = [
"/some/path/file.c\n",
"Some very serious Error\n",
"bla\n",
"bla-bla\n"]
result = run_crash_parse(content, 'file.i')
self.assertEqual(result['source'], content[0].rstrip())
self.assertEqual(result['problem'], content[1].rstrip())
self.assertEqual(os.path.basename(result['file']),
'file.i')
self.assertEqual(os.path.basename(result['info']),
'file.i.info.txt')
self.assertEqual(os.path.basename(result['stderr']),
'file.i.stderr.txt')
def test_parse_real_crash(self):
import libscanbuild.runner as sut2
import re
with libear.TemporaryDirectory() as tmpdir:
filename = os.path.join(tmpdir, 'test.c')
with open(filename, 'w') as handle:
handle.write('int main() { return 0')
# produce failure report
opts = {
'clang': 'clang',
'directory': os.getcwd(),
'flags': [],
'file': filename,
'output_dir': tmpdir,
'language': 'c',
'error_type': 'other_error',
'error_output': 'some output',
'exit_code': 13
}
sut2.report_failure(opts)
# find the info file
pp_file = None
for root, _, files in os.walk(tmpdir):
keys = [os.path.join(root, name) for name in files]
for key in keys:
if re.match(r'^(.*/)+clang(.*)\.i$', key):
pp_file = key
self.assertIsNot(pp_file, None)
# read the failure report back
result = sut.parse_crash(pp_file + '.info.txt')
self.assertEqual(result['source'], filename)
self.assertEqual(result['problem'], 'Other Error')
self.assertEqual(result['file'], pp_file)
self.assertEqual(result['info'], pp_file + '.info.txt')
self.assertEqual(result['stderr'], pp_file + '.stderr.txt')
class ReportMethodTest(unittest.TestCase):
def test_chop(self):
self.assertEqual('file', sut.chop('/prefix', '/prefix/file'))
self.assertEqual('file', sut.chop('/prefix/', '/prefix/file'))
self.assertEqual('lib/file', sut.chop('/prefix/', '/prefix/lib/file'))
self.assertEqual('/prefix/file', sut.chop('', '/prefix/file'))
def test_chop_when_cwd(self):
self.assertEqual('../src/file', sut.chop('/cwd', '/src/file'))
self.assertEqual('../src/file', sut.chop('/prefix/cwd',
'/prefix/src/file'))
class GetPrefixFromCompilationDatabaseTest(unittest.TestCase):
def test_with_different_filenames(self):
self.assertEqual(
sut.commonprefix(['/tmp/a.c', '/tmp/b.c']), '/tmp')
def test_with_different_dirnames(self):
self.assertEqual(
sut.commonprefix(['/tmp/abs/a.c', '/tmp/ack/b.c']), '/tmp')
def test_no_common_prefix(self):
self.assertEqual(
sut.commonprefix(['/tmp/abs/a.c', '/usr/ack/b.c']), '/')
def test_with_single_file(self):
self.assertEqual(
sut.commonprefix(['/tmp/a.c']), '/tmp')
def test_empty(self):
self.assertEqual(
sut.commonprefix([]), '')
class ReportDirectoryTest(unittest.TestCase):
# Test that successive report directory names ascend in lexicographic
# order. This is required so that report directories from two runs of
# scan-build can be easily matched up to compare results.
def test_directory_name_comparison(self):
with libear.TemporaryDirectory() as tmpdir, \
sut.report_directory(tmpdir, False) as report_dir1, \
sut.report_directory(tmpdir, False) as report_dir2, \
sut.report_directory(tmpdir, False) as report_dir3:
self.assertLess(report_dir1, report_dir2)
self.assertLess(report_dir2, report_dir3)
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