xref: /openbsd-src/gnu/llvm/clang/tools/scan-build-py/tests/functional/cases/test_from_cmd.py (revision a9ac8606c53d55cee9c3a39778b249c51df111ef) 
1# -*- coding: utf-8 -*-
2# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
3# See https://llvm.org/LICENSE.txt for license information.
4# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
5
6import libear
7from . import make_args, check_call_and_report, create_empty_file
8import unittest
9
10import os
11import os.path
12import glob
13
14
15class OutputDirectoryTest(unittest.TestCase):
16
17    @staticmethod
18    def run_analyzer(outdir, args, cmd):
19        return check_call_and_report(
20            ['scan-build-py', '--intercept-first', '-o', outdir] + args,
21            cmd)
22
23    def test_regular_keeps_report_dir(self):
24        with libear.TemporaryDirectory() as tmpdir:
25            make = make_args(tmpdir) + ['build_regular']
26            outdir = self.run_analyzer(tmpdir, [], make)
27            self.assertTrue(os.path.isdir(outdir))
28
29    def test_clear_deletes_report_dir(self):
30        with libear.TemporaryDirectory() as tmpdir:
31            make = make_args(tmpdir) + ['build_clean']
32            outdir = self.run_analyzer(tmpdir, [], make)
33            self.assertFalse(os.path.isdir(outdir))
34
35    def test_clear_keeps_report_dir_when_asked(self):
36        with libear.TemporaryDirectory() as tmpdir:
37            make = make_args(tmpdir) + ['build_clean']
38            outdir = self.run_analyzer(tmpdir, ['--keep-empty'], make)
39            self.assertTrue(os.path.isdir(outdir))
40
41
42class RunAnalyzerTest(unittest.TestCase):
43
44    @staticmethod
45    def get_plist_count(directory):
46        return len(glob.glob(os.path.join(directory, 'report-*.plist')))
47
48    def test_interposition_works(self):
49        with libear.TemporaryDirectory() as tmpdir:
50            make = make_args(tmpdir) + ['build_regular']
51            outdir = check_call_and_report(
52                ['scan-build-py', '--plist', '-o', tmpdir, '--override-compiler'],
53                make)
54
55            self.assertTrue(os.path.isdir(outdir))
56            self.assertEqual(self.get_plist_count(outdir), 5)
57
58    def test_intercept_wrapper_works(self):
59        with libear.TemporaryDirectory() as tmpdir:
60            make = make_args(tmpdir) + ['build_regular']
61            outdir = check_call_and_report(
62                ['scan-build-py', '--plist', '-o', tmpdir, '--intercept-first',
63                 '--override-compiler'],
64                make)
65
66            self.assertTrue(os.path.isdir(outdir))
67            self.assertEqual(self.get_plist_count(outdir), 5)
68
69    def test_intercept_library_works(self):
70        with libear.TemporaryDirectory() as tmpdir:
71            make = make_args(tmpdir) + ['build_regular']
72            outdir = check_call_and_report(
73                ['scan-build-py', '--plist', '-o', tmpdir, '--intercept-first'],
74                make)
75
76            self.assertTrue(os.path.isdir(outdir))
77            self.assertEqual(self.get_plist_count(outdir), 5)
78
79    @staticmethod
80    def compile_empty_source_file(target_dir, is_cxx):
81        compiler = '$CXX' if is_cxx else '$CC'
82        src_file_name = 'test.cxx' if is_cxx else 'test.c'
83        src_file = os.path.join(target_dir, src_file_name)
84        obj_file = os.path.join(target_dir, 'test.o')
85        create_empty_file(src_file)
86        command = ' '.join([compiler, '-c', src_file, '-o', obj_file])
87        return ['sh', '-c', command]
88
89    def test_interposition_cc_works(self):
90        with libear.TemporaryDirectory() as tmpdir:
91            outdir = check_call_and_report(
92                ['scan-build-py', '--plist', '-o', tmpdir, '--override-compiler'],
93                self.compile_empty_source_file(tmpdir, False))
94            self.assertEqual(self.get_plist_count(outdir), 1)
95
96    def test_interposition_cxx_works(self):
97        with libear.TemporaryDirectory() as tmpdir:
98            outdir = check_call_and_report(
99                ['scan-build-py', '--plist', '-o', tmpdir, '--override-compiler'],
100                self.compile_empty_source_file(tmpdir, True))
101            self.assertEqual(self.get_plist_count(outdir), 1)
102
103    def test_intercept_cc_works(self):
104        with libear.TemporaryDirectory() as tmpdir:
105            outdir = check_call_and_report(
106                ['scan-build-py', '--plist', '-o', tmpdir, '--override-compiler',
107                 '--intercept-first'],
108                self.compile_empty_source_file(tmpdir, False))
109            self.assertEqual(self.get_plist_count(outdir), 1)
110
111    def test_intercept_cxx_works(self):
112        with libear.TemporaryDirectory() as tmpdir:
113            outdir = check_call_and_report(
114                ['scan-build-py', '--plist', '-o', tmpdir, '--override-compiler',
115                 '--intercept-first'],
116                self.compile_empty_source_file(tmpdir, True))
117            self.assertEqual(self.get_plist_count(outdir), 1)
118