diff options
Diffstat (limited to 'tools/scan-build-py/tests/unit/test_runner.py')
-rw-r--r-- | tools/scan-build-py/tests/unit/test_runner.py | 325 |
1 files changed, 224 insertions, 101 deletions
diff --git a/tools/scan-build-py/tests/unit/test_runner.py b/tools/scan-build-py/tests/unit/test_runner.py index ea10051d8506f..b4730a1c5191c 100644 --- a/tools/scan-build-py/tests/unit/test_runner.py +++ b/tools/scan-build-py/tests/unit/test_runner.py @@ -4,96 +4,164 @@ # This file is distributed under the University of Illinois Open Source # License. See LICENSE.TXT for details. +import libear import libscanbuild.runner as sut -from . import fixtures import unittest import re import os import os.path -def run_analyzer(content, opts): - with fixtures.TempDir() as tmpdir: - filename = os.path.join(tmpdir, 'test.cpp') - with open(filename, 'w') as handle: - handle.write(content) - - opts.update({ - 'directory': os.getcwd(), - 'clang': 'clang', - 'file': filename, - 'language': 'c++', - 'analyze': ['--analyze', '-x', 'c++', filename], - 'output': ['-o', tmpdir]}) - spy = fixtures.Spy() - result = sut.run_analyzer(opts, spy.call) - return (result, spy.arg) +class FilteringFlagsTest(unittest.TestCase): + + def test_language_captured(self): + def test(flags): + cmd = ['clang', '-c', 'source.c'] + flags + opts = sut.classify_parameters(cmd) + return opts['language'] + + self.assertEqual(None, test([])) + self.assertEqual('c', test(['-x', 'c'])) + self.assertEqual('cpp', test(['-x', 'cpp'])) + + def test_arch(self): + def test(flags): + cmd = ['clang', '-c', 'source.c'] + flags + opts = sut.classify_parameters(cmd) + return opts['arch_list'] + + self.assertEqual([], test([])) + self.assertEqual(['mips'], test(['-arch', 'mips'])) + self.assertEqual(['mips', 'i386'], + test(['-arch', 'mips', '-arch', 'i386'])) + + def assertFlagsChanged(self, expected, flags): + cmd = ['clang', '-c', 'source.c'] + flags + opts = sut.classify_parameters(cmd) + self.assertEqual(expected, opts['flags']) + + def assertFlagsUnchanged(self, flags): + self.assertFlagsChanged(flags, flags) + + def assertFlagsFiltered(self, flags): + self.assertFlagsChanged([], flags) + + def test_optimalizations_pass(self): + self.assertFlagsUnchanged(['-O']) + self.assertFlagsUnchanged(['-O1']) + self.assertFlagsUnchanged(['-Os']) + self.assertFlagsUnchanged(['-O2']) + self.assertFlagsUnchanged(['-O3']) + + def test_include_pass(self): + self.assertFlagsUnchanged([]) + self.assertFlagsUnchanged(['-include', '/usr/local/include']) + self.assertFlagsUnchanged(['-I.']) + self.assertFlagsUnchanged(['-I', '.']) + self.assertFlagsUnchanged(['-I/usr/local/include']) + self.assertFlagsUnchanged(['-I', '/usr/local/include']) + self.assertFlagsUnchanged(['-I/opt', '-I', '/opt/otp/include']) + self.assertFlagsUnchanged(['-isystem', '/path']) + self.assertFlagsUnchanged(['-isystem=/path']) + + def test_define_pass(self): + self.assertFlagsUnchanged(['-DNDEBUG']) + self.assertFlagsUnchanged(['-UNDEBUG']) + self.assertFlagsUnchanged(['-Dvar1=val1', '-Dvar2=val2']) + self.assertFlagsUnchanged(['-Dvar="val ues"']) + + def test_output_filtered(self): + self.assertFlagsFiltered(['-o', 'source.o']) + + def test_some_warning_filtered(self): + self.assertFlagsFiltered(['-Wall']) + self.assertFlagsFiltered(['-Wnoexcept']) + self.assertFlagsFiltered(['-Wreorder', '-Wunused', '-Wundef']) + self.assertFlagsUnchanged(['-Wno-reorder', '-Wno-unused']) + + def test_compile_only_flags_pass(self): + self.assertFlagsUnchanged(['-std=C99']) + self.assertFlagsUnchanged(['-nostdinc']) + self.assertFlagsUnchanged(['-isystem', '/image/debian']) + self.assertFlagsUnchanged(['-iprefix', '/usr/local']) + self.assertFlagsUnchanged(['-iquote=me']) + self.assertFlagsUnchanged(['-iquote', 'me']) + + def test_compile_and_link_flags_pass(self): + self.assertFlagsUnchanged(['-fsinged-char']) + self.assertFlagsUnchanged(['-fPIC']) + self.assertFlagsUnchanged(['-stdlib=libc++']) + self.assertFlagsUnchanged(['--sysroot', '/']) + self.assertFlagsUnchanged(['-isysroot', '/']) + + def test_some_flags_filtered(self): + self.assertFlagsFiltered(['-g']) + self.assertFlagsFiltered(['-fsyntax-only']) + self.assertFlagsFiltered(['-save-temps']) + self.assertFlagsFiltered(['-init', 'my_init']) + self.assertFlagsFiltered(['-sectorder', 'a', 'b', 'c']) + + +class Spy(object): + def __init__(self): + self.arg = None + self.success = 0 + + def call(self, params): + self.arg = params + return self.success class RunAnalyzerTest(unittest.TestCase): + @staticmethod + def run_analyzer(content, failures_report): + with libear.TemporaryDirectory() as tmpdir: + filename = os.path.join(tmpdir, 'test.cpp') + with open(filename, 'w') as handle: + handle.write(content) + + opts = { + 'clang': 'clang', + 'directory': os.getcwd(), + 'flags': [], + 'direct_args': [], + 'file': filename, + 'output_dir': tmpdir, + 'output_format': 'plist', + 'output_failures': failures_report + } + spy = Spy() + result = sut.run_analyzer(opts, spy.call) + return (result, spy.arg) + def test_run_analyzer(self): content = "int div(int n, int d) { return n / d; }" - (result, fwds) = run_analyzer(content, dict()) + (result, fwds) = RunAnalyzerTest.run_analyzer(content, False) self.assertEqual(None, fwds) self.assertEqual(0, result['exit_code']) def test_run_analyzer_crash(self): content = "int div(int n, int d) { return n / d }" - (result, fwds) = run_analyzer(content, dict()) + (result, fwds) = RunAnalyzerTest.run_analyzer(content, False) self.assertEqual(None, fwds) self.assertEqual(1, result['exit_code']) def test_run_analyzer_crash_and_forwarded(self): content = "int div(int n, int d) { return n / d }" - (_, fwds) = run_analyzer(content, {'output_failures': True}) + (_, fwds) = RunAnalyzerTest.run_analyzer(content, True) self.assertEqual('crash', fwds['error_type']) self.assertEqual(1, fwds['exit_code']) self.assertTrue(len(fwds['error_output']) > 0) -class SetAnalyzerOutputTest(fixtures.TestCase): - - def test_not_defined(self): - with fixtures.TempDir() as tmpdir: - opts = {'output_dir': tmpdir} - spy = fixtures.Spy() - sut.set_analyzer_output(opts, spy.call) - self.assertTrue(os.path.exists(spy.arg['output'][1])) - self.assertTrue(os.path.isdir(spy.arg['output'][1])) - - def test_html(self): - with fixtures.TempDir() as tmpdir: - opts = {'output_dir': tmpdir, 'output_format': 'html'} - spy = fixtures.Spy() - sut.set_analyzer_output(opts, spy.call) - self.assertTrue(os.path.exists(spy.arg['output'][1])) - self.assertTrue(os.path.isdir(spy.arg['output'][1])) - - def test_plist_html(self): - with fixtures.TempDir() as tmpdir: - opts = {'output_dir': tmpdir, 'output_format': 'plist-html'} - spy = fixtures.Spy() - sut.set_analyzer_output(opts, spy.call) - self.assertTrue(os.path.exists(spy.arg['output'][1])) - self.assertTrue(os.path.isfile(spy.arg['output'][1])) - - def test_plist(self): - with fixtures.TempDir() as tmpdir: - opts = {'output_dir': tmpdir, 'output_format': 'plist'} - spy = fixtures.Spy() - sut.set_analyzer_output(opts, spy.call) - self.assertTrue(os.path.exists(spy.arg['output'][1])) - self.assertTrue(os.path.isfile(spy.arg['output'][1])) - - -class ReportFailureTest(fixtures.TestCase): +class ReportFailureTest(unittest.TestCase): def assertUnderFailures(self, path): self.assertEqual('failures', os.path.basename(os.path.dirname(path))) def test_report_failure_create_files(self): - with fixtures.TempDir() as tmpdir: + with libear.TemporaryDirectory() as tmpdir: # create input file filename = os.path.join(tmpdir, 'test.c') with open(filename, 'w') as handle: @@ -101,15 +169,17 @@ class ReportFailureTest(fixtures.TestCase): uname_msg = ' '.join(os.uname()) + os.linesep error_msg = 'this is my error output' # execute test - opts = {'directory': os.getcwd(), - 'clang': 'clang', - 'file': filename, - 'report': ['-fsyntax-only', '-E', filename], - 'language': 'c', - 'output_dir': tmpdir, - 'error_type': 'other_error', - 'error_output': error_msg, - 'exit_code': 13} + opts = { + 'clang': 'clang', + 'directory': os.getcwd(), + 'flags': [], + 'file': filename, + 'output_dir': tmpdir, + 'language': 'c', + 'error_type': 'other_error', + 'error_output': error_msg, + 'exit_code': 13 + } sut.report_failure(opts) # verify the result result = dict() @@ -126,57 +196,110 @@ class ReportFailureTest(fixtures.TestCase): self.assertUnderFailures(pp_file) # info file generated and content dumped info_file = pp_file + '.info.txt' - self.assertIn(info_file, result) + self.assertTrue(info_file in result) self.assertEqual('Other Error\n', result[info_file][1]) self.assertEqual(uname_msg, result[info_file][3]) # error file generated and content dumped error_file = pp_file + '.stderr.txt' - self.assertIn(error_file, result) + self.assertTrue(error_file in result) self.assertEqual([error_msg], result[error_file]) class AnalyzerTest(unittest.TestCase): - def test_set_language(self): + def test_nodebug_macros_appended(self): + def test(flags): + spy = Spy() + opts = {'flags': flags, 'force_debug': True} + self.assertEqual(spy.success, + sut.filter_debug_flags(opts, spy.call)) + return spy.arg['flags'] + + self.assertEqual(['-UNDEBUG'], test([])) + self.assertEqual(['-DNDEBUG', '-UNDEBUG'], test(['-DNDEBUG'])) + self.assertEqual(['-DSomething', '-UNDEBUG'], test(['-DSomething'])) + + def test_set_file_relative_path(self): def test(expected, input): - spy = fixtures.Spy() + spy = Spy() + self.assertEqual(spy.success, + sut.set_file_path_relative(input, spy.call)) + self.assertEqual(expected, spy.arg['file']) + + test('source.c', + {'file': '/home/me/source.c', 'directory': '/home/me'}) + test('me/source.c', + {'file': '/home/me/source.c', 'directory': '/home'}) + test('../home/me/source.c', + {'file': '/home/me/source.c', 'directory': '/tmp'}) + + def test_set_language_fall_through(self): + def language(expected, input): + spy = Spy() + input.update({'compiler': 'c', 'file': 'test.c'}) self.assertEqual(spy.success, sut.language_check(input, spy.call)) self.assertEqual(expected, spy.arg['language']) - l = 'language' - f = 'file' - i = 'c++' - test('c', {f: 'file.c', l: 'c', i: False}) - test('c++', {f: 'file.c', l: 'c++', i: False}) - test('c++', {f: 'file.c', i: True}) - test('c', {f: 'file.c', i: False}) - test('c++', {f: 'file.cxx', i: False}) - test('c-cpp-output', {f: 'file.i', i: False}) - test('c++-cpp-output', {f: 'file.i', i: True}) - test('c-cpp-output', {f: 'f.i', l: 'c-cpp-output', i: True}) - - def test_arch_loop(self): - def test(input): - spy = fixtures.Spy() - sut.arch_check(input, spy.call) - return spy.arg - - input = {'key': 'value'} - self.assertEqual(input, test(input)) - - input = {'archs_seen': ['i386']} - self.assertEqual({'arch': 'i386'}, test(input)) + language('c', {'language': 'c', 'flags': []}) + language('c++', {'language': 'c++', 'flags': []}) + + def test_set_language_stops_on_not_supported(self): + spy = Spy() + input = { + 'compiler': 'c', + 'flags': [], + 'file': 'test.java', + 'language': 'java' + } + self.assertIsNone(sut.language_check(input, spy.call)) + self.assertIsNone(spy.arg) + + def test_set_language_sets_flags(self): + def flags(expected, input): + spy = Spy() + input.update({'compiler': 'c', 'file': 'test.c'}) + self.assertEqual(spy.success, sut.language_check(input, spy.call)) + self.assertEqual(expected, spy.arg['flags']) - input = {'archs_seen': ['ppc']} - self.assertEqual(None, test(input)) + flags(['-x', 'c'], {'language': 'c', 'flags': []}) + flags(['-x', 'c++'], {'language': 'c++', 'flags': []}) - input = {'archs_seen': ['i386', 'ppc']} - self.assertEqual({'arch': 'i386'}, test(input)) + def test_set_language_from_filename(self): + def language(expected, input): + spy = Spy() + input.update({'language': None, 'flags': []}) + self.assertEqual(spy.success, sut.language_check(input, spy.call)) + self.assertEqual(expected, spy.arg['language']) - input = {'archs_seen': ['i386', 'sparc']} - result = test(input) - self.assertTrue(result == {'arch': 'i386'} or - result == {'arch': 'sparc'}) + language('c', {'file': 'file.c', 'compiler': 'c'}) + language('c++', {'file': 'file.c', 'compiler': 'c++'}) + language('c++', {'file': 'file.cxx', 'compiler': 'c'}) + language('c++', {'file': 'file.cxx', 'compiler': 'c++'}) + language('c++', {'file': 'file.cpp', 'compiler': 'c++'}) + language('c-cpp-output', {'file': 'file.i', 'compiler': 'c'}) + language('c++-cpp-output', {'file': 'file.i', 'compiler': 'c++'}) + + def test_arch_loop_sets_flags(self): + def flags(archs): + spy = Spy() + input = {'flags': [], 'arch_list': archs} + sut.arch_check(input, spy.call) + return spy.arg['flags'] + + self.assertEqual([], flags([])) + self.assertEqual(['-arch', 'i386'], flags(['i386'])) + self.assertEqual(['-arch', 'i386'], flags(['i386', 'ppc'])) + self.assertEqual(['-arch', 'sparc'], flags(['i386', 'sparc'])) + + def test_arch_loop_stops_on_not_supported(self): + def stop(archs): + spy = Spy() + input = {'flags': [], 'arch_list': archs} + self.assertIsNone(sut.arch_check(input, spy.call)) + self.assertIsNone(spy.arg) + + stop(['ppc']) + stop(['ppc64']) @sut.require([]) |