llvm-project/clang/tools/scan-build-py/tests/unit/test_intercept.py

91 lines
3.3 KiB
Python

# -*- 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.intercept as sut
import unittest
import os.path
class InterceptUtilTest(unittest.TestCase):
def test_format_entry_filters_action(self):
def test(command):
trace = {'command': command, 'directory': '/opt/src/project'}
return list(sut.format_entry(trace))
self.assertTrue(test(['cc', '-c', 'file.c', '-o', 'file.o']))
self.assertFalse(test(['cc', '-E', 'file.c']))
self.assertFalse(test(['cc', '-MM', 'file.c']))
self.assertFalse(test(['cc', 'this.o', 'that.o', '-o', 'a.out']))
def test_format_entry_normalize_filename(self):
parent = os.path.join(os.sep, 'home', 'me')
current = os.path.join(parent, 'project')
def test(filename):
trace = {'directory': current, 'command': ['cc', '-c', filename]}
return list(sut.format_entry(trace))[0]['file']
self.assertEqual(os.path.join(current, 'file.c'), test('file.c'))
self.assertEqual(os.path.join(current, 'file.c'), test('./file.c'))
self.assertEqual(os.path.join(parent, 'file.c'), test('../file.c'))
self.assertEqual(os.path.join(current, 'file.c'),
test(os.path.join(current, 'file.c')))
def test_sip(self):
def create_status_report(filename, message):
content = """#!/usr/bin/env sh
echo 'sa-la-la-la'
echo 'la-la-la'
echo '{0}'
echo 'sa-la-la-la'
echo 'la-la-la'
""".format(message)
lines = [line.strip() for line in content.split('\n')]
with open(filename, 'w') as handle:
handle.write('\n'.join(lines))
handle.close()
os.chmod(filename, 0x1ff)
def create_csrutil(dest_dir, status):
filename = os.path.join(dest_dir, 'csrutil')
message = 'System Integrity Protection status: {0}'.format(status)
return create_status_report(filename, message)
def create_sestatus(dest_dir, status):
filename = os.path.join(dest_dir, 'sestatus')
message = 'SELinux status:\t{0}'.format(status)
return create_status_report(filename, message)
ENABLED = 'enabled'
DISABLED = 'disabled'
OSX = 'darwin'
with libear.TemporaryDirectory() as tmpdir:
saved = os.environ['PATH']
try:
os.environ['PATH'] = tmpdir + ':' + saved
create_csrutil(tmpdir, ENABLED)
self.assertTrue(sut.is_preload_disabled(OSX))
create_csrutil(tmpdir, DISABLED)
self.assertFalse(sut.is_preload_disabled(OSX))
finally:
os.environ['PATH'] = saved
saved = os.environ['PATH']
try:
os.environ['PATH'] = ''
# shall be false when it's not in the path
self.assertFalse(sut.is_preload_disabled(OSX))
self.assertFalse(sut.is_preload_disabled('unix'))
finally:
os.environ['PATH'] = saved