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      1 # -*- coding: utf-8 -*-
      2 #                     The LLVM Compiler Infrastructure
      3 #
      4 # This file is distributed under the University of Illinois Open Source
      5 # License. See LICENSE.TXT for details.
      6 
      7 import libear
      8 from . import make_args, check_call_and_report, create_empty_file
      9 import unittest
     10 
     11 import os
     12 import os.path
     13 import glob
     14 
     15 
     16 class OutputDirectoryTest(unittest.TestCase):
     17 
     18     @staticmethod
     19     def run_analyzer(outdir, args, cmd):
     20         return check_call_and_report(
     21             ['scan-build', '--intercept-first', '-o', outdir] + args,
     22             cmd)
     23 
     24     def test_regular_keeps_report_dir(self):
     25         with libear.TemporaryDirectory() as tmpdir:
     26             make = make_args(tmpdir) + ['build_regular']
     27             outdir = self.run_analyzer(tmpdir, [], make)
     28             self.assertTrue(os.path.isdir(outdir))
     29 
     30     def test_clear_deletes_report_dir(self):
     31         with libear.TemporaryDirectory() as tmpdir:
     32             make = make_args(tmpdir) + ['build_clean']
     33             outdir = self.run_analyzer(tmpdir, [], make)
     34             self.assertFalse(os.path.isdir(outdir))
     35 
     36     def test_clear_keeps_report_dir_when_asked(self):
     37         with libear.TemporaryDirectory() as tmpdir:
     38             make = make_args(tmpdir) + ['build_clean']
     39             outdir = self.run_analyzer(tmpdir, ['--keep-empty'], make)
     40             self.assertTrue(os.path.isdir(outdir))
     41 
     42 
     43 class RunAnalyzerTest(unittest.TestCase):
     44 
     45     @staticmethod
     46     def get_plist_count(directory):
     47         return len(glob.glob(os.path.join(directory, 'report-*.plist')))
     48 
     49     def test_interposition_works(self):
     50         with libear.TemporaryDirectory() as tmpdir:
     51             make = make_args(tmpdir) + ['build_regular']
     52             outdir = check_call_and_report(
     53                 ['scan-build', '--plist', '-o', tmpdir, '--override-compiler'],
     54                 make)
     55 
     56             self.assertTrue(os.path.isdir(outdir))
     57             self.assertEqual(self.get_plist_count(outdir), 5)
     58 
     59     def test_intercept_wrapper_works(self):
     60         with libear.TemporaryDirectory() as tmpdir:
     61             make = make_args(tmpdir) + ['build_regular']
     62             outdir = check_call_and_report(
     63                 ['scan-build', '--plist', '-o', tmpdir, '--intercept-first',
     64                  '--override-compiler'],
     65                 make)
     66 
     67             self.assertTrue(os.path.isdir(outdir))
     68             self.assertEqual(self.get_plist_count(outdir), 5)
     69 
     70     def test_intercept_library_works(self):
     71         with libear.TemporaryDirectory() as tmpdir:
     72             make = make_args(tmpdir) + ['build_regular']
     73             outdir = check_call_and_report(
     74                 ['scan-build', '--plist', '-o', tmpdir, '--intercept-first'],
     75                 make)
     76 
     77             self.assertTrue(os.path.isdir(outdir))
     78             self.assertEqual(self.get_plist_count(outdir), 5)
     79 
     80     @staticmethod
     81     def compile_empty_source_file(target_dir, is_cxx):
     82         compiler = '$CXX' if is_cxx else '$CC'
     83         src_file_name = 'test.cxx' if is_cxx else 'test.c'
     84         src_file = os.path.join(target_dir, src_file_name)
     85         obj_file = os.path.join(target_dir, 'test.o')
     86         create_empty_file(src_file)
     87         command = ' '.join([compiler, '-c', src_file, '-o', obj_file])
     88         return ['sh', '-c', command]
     89 
     90     def test_interposition_cc_works(self):
     91         with libear.TemporaryDirectory() as tmpdir:
     92             outdir = check_call_and_report(
     93                 ['scan-build', '--plist', '-o', tmpdir, '--override-compiler'],
     94                 self.compile_empty_source_file(tmpdir, False))
     95             self.assertEqual(self.get_plist_count(outdir), 1)
     96 
     97     def test_interposition_cxx_works(self):
     98         with libear.TemporaryDirectory() as tmpdir:
     99             outdir = check_call_and_report(
    100                 ['scan-build', '--plist', '-o', tmpdir, '--override-compiler'],
    101                 self.compile_empty_source_file(tmpdir, True))
    102             self.assertEqual(self.get_plist_count(outdir), 1)
    103 
    104     def test_intercept_cc_works(self):
    105         with libear.TemporaryDirectory() as tmpdir:
    106             outdir = check_call_and_report(
    107                 ['scan-build', '--plist', '-o', tmpdir, '--override-compiler',
    108                  '--intercept-first'],
    109                 self.compile_empty_source_file(tmpdir, False))
    110             self.assertEqual(self.get_plist_count(outdir), 1)
    111 
    112     def test_intercept_cxx_works(self):
    113         with libear.TemporaryDirectory() as tmpdir:
    114             outdir = check_call_and_report(
    115                 ['scan-build', '--plist', '-o', tmpdir, '--override-compiler',
    116                  '--intercept-first'],
    117                 self.compile_empty_source_file(tmpdir, True))
    118             self.assertEqual(self.get_plist_count(outdir), 1)
    119