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# -*- coding: utf-8 -*-
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
import libear
import libscanbuild.clang as sut
import unittest
import os.path
import sys
class ClangGetVersion(unittest.TestCase):
def test_get_version_is_not_empty(self):
self.assertTrue(sut.get_version('clang'))
def test_get_version_throws(self):
with self.assertRaises(OSError):
sut.get_version('notexists')
class ClangGetArgumentsTest(unittest.TestCase):
def test_get_clang_arguments(self):
with libear.TemporaryDirectory() as tmpdir:
filename = os.path.join(tmpdir, 'test.c')
with open(filename, 'w') as handle:
handle.write('')
result = sut.get_arguments(
['clang', '-c', filename, '-DNDEBUG', '-Dvar="this is it"'],
tmpdir)
self.assertTrue('NDEBUG' in result)
self.assertTrue('var="this is it"' in result)
def test_get_clang_arguments_fails(self):
with self.assertRaises(Exception):
sut.get_arguments(['clang', '-x', 'c', 'notexist.c'], '.')
def test_get_clang_arguments_fails_badly(self):
with self.assertRaises(OSError):
sut.get_arguments(['notexist'], '.')
class ClangGetCheckersTest(unittest.TestCase):
def test_get_checkers(self):
# this test is only to see is not crashing
result = sut.get_checkers('clang', [])
self.assertTrue(len(result))
# do check result types
string_type = unicode if sys.version_info < (3,) else str
for key, value in result.items():
self.assertEqual(string_type, type(key))
self.assertEqual(string_type, type(value[0]))
self.assertEqual(bool, type(value[1]))
def test_get_active_checkers(self):
# this test is only to see is not crashing
result = sut.get_active_checkers('clang', [])
self.assertTrue(len(result))
# do check result types
for value in result:
self.assertEqual(str, type(value))
def test_is_active(self):
test = sut.is_active(['a', 'b.b', 'c.c.c'])
self.assertTrue(test('a'))
self.assertTrue(test('a.b'))
self.assertTrue(test('b.b'))
self.assertTrue(test('b.b.c'))
self.assertTrue(test('c.c.c.p'))
self.assertFalse(test('ab'))
self.assertFalse(test('ba'))
self.assertFalse(test('bb'))
self.assertFalse(test('c.c'))
self.assertFalse(test('b'))
self.assertFalse(test('d'))
def test_parse_checkers(self):
lines = [
'OVERVIEW: Clang Static Analyzer Checkers List',
'',
'CHECKERS:',
' checker.one Checker One description',
' checker.two',
' Checker Two description']
result = dict(sut.parse_checkers(lines))
self.assertTrue('checker.one' in result)
self.assertEqual('Checker One description', result.get('checker.one'))
self.assertTrue('checker.two' in result)
self.assertEqual('Checker Two description', result.get('checker.two'))
class ClangIsCtuCapableTest(unittest.TestCase):
def test_ctu_not_found(self):
is_ctu = sut.is_ctu_capable('not-found-clang-extdef-mapping')
self.assertFalse(is_ctu)
class ClangGetTripleArchTest(unittest.TestCase):
def test_arch_is_not_empty(self):
arch = sut.get_triple_arch(['clang', '-E', '-'], '.')
self.assertTrue(len(arch) > 0)
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