| 1 | # -*- coding: utf-8 -*- |
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| 2 | # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 3 | # See https://llvm.org/LICENSE.txt for license information. |
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| 4 | # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 5 | |
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| 6 | import libear |
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| 7 | import libscanbuild.clang as sut |
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| 8 | import unittest |
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| 9 | import os.path |
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| 10 | import sys |
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| 11 | |
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| 12 | |
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| 13 | class ClangGetVersion(unittest.TestCase): |
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| 14 | def test_get_version_is_not_empty(self): |
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| 15 | self.assertTrue(sut.get_version('clang')) |
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| 16 | |
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| 17 | def test_get_version_throws(self): |
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| 18 | with self.assertRaises(OSError): |
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| 19 | sut.get_version('notexists') |
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| 20 | |
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| 21 | |
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| 22 | class ClangGetArgumentsTest(unittest.TestCase): |
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| 23 | def test_get_clang_arguments(self): |
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| 24 | with libear.TemporaryDirectory() as tmpdir: |
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| 25 | filename = os.path.join(tmpdir, 'test.c') |
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| 26 | with open(filename, 'w') as handle: |
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| 27 | handle.write('') |
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| 28 | |
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| 29 | result = sut.get_arguments( |
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| 30 | ['clang', '-c', filename, '-DNDEBUG', '-Dvar="this is it"'], |
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| 31 | tmpdir) |
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| 32 | |
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| 33 | self.assertTrue('NDEBUG' in result) |
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| 34 | self.assertTrue('var="this is it"' in result) |
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| 35 | |
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| 36 | def test_get_clang_arguments_fails(self): |
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| 37 | with self.assertRaises(Exception): |
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| 38 | sut.get_arguments(['clang', '-x', 'c', 'notexist.c'], '.') |
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| 39 | |
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| 40 | def test_get_clang_arguments_fails_badly(self): |
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| 41 | with self.assertRaises(OSError): |
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| 42 | sut.get_arguments(['notexist'], '.') |
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| 43 | |
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| 44 | |
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| 45 | class ClangGetCheckersTest(unittest.TestCase): |
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| 46 | def test_get_checkers(self): |
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| 47 | # this test is only to see is not crashing |
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| 48 | result = sut.get_checkers('clang', []) |
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| 49 | self.assertTrue(len(result)) |
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| 50 | # do check result types |
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| 51 | string_type = unicode if sys.version_info < (3,) else str |
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| 52 | for key, value in result.items(): |
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| 53 | self.assertEqual(string_type, type(key)) |
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| 54 | self.assertEqual(string_type, type(value[0])) |
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| 55 | self.assertEqual(bool, type(value[1])) |
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| 56 | |
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| 57 | def test_get_active_checkers(self): |
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| 58 | # this test is only to see is not crashing |
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| 59 | result = sut.get_active_checkers('clang', []) |
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| 60 | self.assertTrue(len(result)) |
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| 61 | # do check result types |
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| 62 | for value in result: |
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| 63 | self.assertEqual(str, type(value)) |
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| 64 | |
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| 65 | def test_is_active(self): |
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| 66 | test = sut.is_active(['a', 'b.b', 'c.c.c']) |
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| 67 | |
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| 68 | self.assertTrue(test('a')) |
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| 69 | self.assertTrue(test('a.b')) |
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| 70 | self.assertTrue(test('b.b')) |
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| 71 | self.assertTrue(test('b.b.c')) |
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| 72 | self.assertTrue(test('c.c.c.p')) |
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| 73 | |
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| 74 | self.assertFalse(test('ab')) |
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| 75 | self.assertFalse(test('ba')) |
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| 76 | self.assertFalse(test('bb')) |
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| 77 | self.assertFalse(test('c.c')) |
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| 78 | self.assertFalse(test('b')) |
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| 79 | self.assertFalse(test('d')) |
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| 80 | |
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| 81 | def test_parse_checkers(self): |
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| 82 | lines = [ |
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| 83 | 'OVERVIEW: Clang Static Analyzer Checkers List', |
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| 84 | '', |
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| 85 | 'CHECKERS:', |
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| 86 | ' checker.one Checker One description', |
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| 87 | ' checker.two', |
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| 88 | ' Checker Two description'] |
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| 89 | result = dict(sut.parse_checkers(lines)) |
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| 90 | self.assertTrue('checker.one' in result) |
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| 91 | self.assertEqual('Checker One description', result.get('checker.one')) |
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| 92 | self.assertTrue('checker.two' in result) |
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| 93 | self.assertEqual('Checker Two description', result.get('checker.two')) |
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| 94 | |
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| 95 | |
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| 96 | class ClangIsCtuCapableTest(unittest.TestCase): |
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| 97 | def test_ctu_not_found(self): |
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| 98 | is_ctu = sut.is_ctu_capable('not-found-clang-extdef-mapping') |
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| 99 | self.assertFalse(is_ctu) |
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| 100 | |
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| 101 | |
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| 102 | class ClangGetTripleArchTest(unittest.TestCase): |
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| 103 | def test_arch_is_not_empty(self): |
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| 104 | arch = sut.get_triple_arch(['clang', '-E', '-'], '.') |
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| 105 | self.assertTrue(len(arch) > 0) |
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| 106 | |
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