cppcheck/test/cli/test-inline-suppress.py

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# python -m pytest test-inline-suppress.py
import json
import os
import tempfile
from testutils import cppcheck
def create_unused_function_compile_commands():
prjpath = os.path.realpath('proj-inline-suppress-unusedFunction')
compile_commands = os.path.join(prjpath, 'compile_commands.json')
j = [{'directory': prjpath,
'command': '/usr/bin/c++ -I"' + prjpath + '" -o "' + os.path.join(prjpath, 'B.cpp.o') + '" -c "' + os.path.join(prjpath, 'B.cpp') + '"',
'file': os.path.join(prjpath, 'B.cpp')},
{'directory': prjpath,
'command': '/usr/bin/c++ -I"' + prjpath + '" -o "' + os.path.join(prjpath, 'A.cpp.o') + '" -c "' + os.path.join(prjpath, 'A.cpp') + '"',
'file': os.path.join(prjpath, 'A.cpp')}]
with open(compile_commands, 'wt') as f:
f.write(json.dumps(j, indent=4))
def test1():
ret, stdout, stderr = cppcheck(['--inline-suppr', 'proj-inline-suppress'])
assert ret == 0, stdout
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assert stderr == ''
def test2():
ret, stdout, stderr = cppcheck(['proj-inline-suppress'])
assert ret == 0, stdout
assert len(stderr) > 0
def test_unmatched_suppression():
ret, stdout, stderr = cppcheck(['--inline-suppr', '--enable=information', '--error-exitcode=1', 'proj-inline-suppress/2.c'])
assert ret == 1
assert 'Unmatched suppression: some_warning_id' in stderr
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def test_unmatched_suppression_path_with_extra_stuf():
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ret, stdout, stderr = cppcheck(['--inline-suppr', '--enable=information', '--error-exitcode=1', './proj-inline-suppress/2.c'])
assert ret == 1
assert 'Unmatched suppression: some_warning_id' in stderr
def test_backwards_compatibility():
ret, stdout, stderr = cppcheck(['proj-inline-suppress/3.cpp'])
assert '[zerodiv]' in stderr
ret, stdout, stderr = cppcheck(['--inline-suppr', 'proj-inline-suppress/3.cpp'])
assert ret == 0, stdout
assert stderr == ''
def test_compile_commands_unused_function():
create_unused_function_compile_commands()
ret, stdout, stderr = cppcheck(['--enable=all', '--error-exitcode=1', '--project=./proj-inline-suppress-unusedFunction/compile_commands.json'])
assert ret == 1
assert 'unusedFunction' in stderr
def test_compile_commands_unused_function_suppression():
create_unused_function_compile_commands()
ret, stdout, stderr = cppcheck(['--enable=all', '--inline-suppr', '--error-exitcode=1', '--project=./proj-inline-suppress-unusedFunction/compile_commands.json'])
assert ret == 0, stdout
assert 'unusedFunction' not in stderr
def test_unmatched_suppression_ifdef():
ret, stdout, stderr = cppcheck(['--enable=all', '--suppress=missingIncludeSystem', '--inline-suppr', '-DNO_ZERO_DIV', 'trac5704/trac5704a.c'])
assert ret == 0, stdout
assert 'unmatchedSuppression' not in stderr
def test_unmatched_suppression_ifdef_0():
ret, stdout, stderr = cppcheck(['--enable=all', '--suppress=missingIncludeSystem', '--inline-suppr', 'trac5704/trac5704b.c'])
assert ret == 0, stdout
assert 'unmatchedSuppression' not in stderr
def test_build_dir():
with tempfile.TemporaryDirectory() as tempdir:
args = f'--cppcheck-build-dir={tempdir} --enable=all --inline-suppr proj-inline-suppress/4.c'.split()
ret, stdout, stderr = cppcheck(args)
assert ret == 0, stdout
assert len(stderr) == 0
ret, stdout, stderr = cppcheck(args)
assert ret == 0, stdout
assert len(stderr) == 0
def test_suppress_unmatched_inline_suppression(): # 11172
ret, stdout, stderr = cppcheck(['--enable=all', '--suppress=unmatchedSuppression', '--inline-suppr', 'proj-inline-suppress/2.c'])
assert ret == 0, stdout
assert 'unmatchedSuppression' not in stderr