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inline-suppress_test.py
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353 lines (292 loc) · 10.2 KB
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# python -m pytest test-inline-suppress.py
import json
import os
import pytest
from testutils import cppcheck
__script_dir = os.path.dirname(os.path.abspath(__file__))
__proj_inline_suppres_path = 'proj-inline-suppress' + os.path.sep
def __create_unused_function_compile_commands(tmpdir):
prjpath = os.path.realpath(os.path.join(__script_dir, 'proj-inline-suppress-unusedFunction'))
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')}]
compdb_path = os.path.join(tmpdir, 'proj-inline-suppress-unusedFunction')
os.makedirs(compdb_path)
compile_commands = os.path.join(compdb_path, 'compile_commands.json')
with open(compile_commands, 'wt') as f:
f.write(json.dumps(j, indent=4))
return compile_commands
def test1():
args = [
'-q',
'--template=simple',
'--inline-suppr',
'proj-inline-suppress'
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
assert stderr == ''
assert stdout == ''
assert ret == 0, stdout
def test2():
args = [
'-q',
'--template=simple',
'proj-inline-suppress'
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == [
'{}3.cpp:4:19: error: Division by zero. [zerodiv]'.format(__proj_inline_suppres_path)
]
assert stdout == ''
assert ret == 0, stdout
def test_unmatched_suppression():
args = [
'-q',
'--template=simple',
'--inline-suppr',
'--enable=information',
'--disable=missingInclude',
'--error-exitcode=1',
'{}2.c'.format(__proj_inline_suppres_path)
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == [
'{}2.c:2:0: information: Unmatched suppression: some_warning_id [unmatchedSuppression]'.format(__proj_inline_suppres_path)
]
assert stdout == ''
assert ret == 1, stdout
def test_unmatched_suppression_path_with_extra_stuff():
args = [
'-q',
'--template=simple',
'--inline-suppr',
'--enable=information',
'--disable=missingInclude',
'--error-exitcode=1',
'{}2.c'.format(__proj_inline_suppres_path)
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == [
'{}2.c:2:0: information: Unmatched suppression: some_warning_id [unmatchedSuppression]'.format(__proj_inline_suppres_path)
]
assert stdout == ''
assert ret == 1, stdout
def test_backwards_compatibility():
args = [
'-q',
'--template=simple',
'{}3.cpp'.format(__proj_inline_suppres_path)
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == [
'{}3.cpp:4:19: error: Division by zero. [zerodiv]'.format(__proj_inline_suppres_path)
]
assert stdout == ''
assert ret == 0, stdout
args = [
'-q',
'--template=simple',
'--inline-suppr',
'{}3.cpp'.format(__proj_inline_suppres_path)
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
def __test_compile_commands_unused_function(tmpdir, use_j):
compdb_file = __create_unused_function_compile_commands(tmpdir)
args = [
'-q',
'--template=simple',
'--enable=all',
'--error-exitcode=1',
'--project={}'.format(compdb_file)
]
if use_j:
args.append('-j2')
else:
args.append('-j1')
ret, stdout, stderr = cppcheck(args)
proj_path_sep = os.path.join(__script_dir, 'proj-inline-suppress-unusedFunction') + os.path.sep
lines = stderr.splitlines()
assert lines == [
"{}B.cpp:6:0: style: The function 'unusedFunctionTest' is never used. [unusedFunction]".format(proj_path_sep)
]
assert stdout == ''
assert ret == 1, stdout
def test_compile_commands_unused_function(tmpdir):
__test_compile_commands_unused_function(tmpdir, False)
@pytest.mark.skip # unusedFunction does not work with -j
def test_compile_commands_unused_function_j(tmpdir):
__test_compile_commands_unused_function(tmpdir, True)
def __test_compile_commands_unused_function_suppression(tmpdir, use_j):
compdb_file = __create_unused_function_compile_commands(tmpdir)
args = [
'-q',
'--template=simple',
'--enable=all',
'--inline-suppr',
'--error-exitcode=1',
'--project={}'.format(compdb_file)
]
if use_j:
args.append('-j2')
else:
args.append('-j1')
ret, stdout, stderr = cppcheck(args)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
def test_compile_commands_unused_function_suppression(tmpdir):
__test_compile_commands_unused_function_suppression(tmpdir, False)
@pytest.mark.skip # unusedFunction does not work with -j
def test_compile_commands_unused_function_suppression_j(tmpdir):
__test_compile_commands_unused_function_suppression(tmpdir, True)
def test_unmatched_suppression_ifdef():
args = [
'-q',
'--template=simple',
'--enable=information',
'--disable=missingInclude',
'--inline-suppr',
'-DNO_ZERO_DIV',
'trac5704/trac5704a.c'
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
def test_unmatched_suppression_ifdef_0():
args = [
'-q',
'--template=simple',
'--enable=information',
'--disable=missingInclude',
'--inline-suppr',
'trac5704/trac5704b.c'
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
def test_build_dir(tmpdir):
args = [
'-q',
'--template=simple',
'--cppcheck-build-dir={}'.format(tmpdir),
'--enable=all',
'--inline-suppr',
'{}4.c'.format(__proj_inline_suppres_path)
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
def __test_build_dir_unused_template(tmpdir, use_j):
args = [
'-q',
'--template=simple',
'--cppcheck-build-dir={}'.format(tmpdir),
'--enable=all',
'--inline-suppr',
'{}template.cpp'.format(__proj_inline_suppres_path)
]
if use_j:
args.append('-j2')
else:
args.append('-j1')
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
def test_build_dir_unused_template(tmpdir):
__test_build_dir_unused_template(tmpdir, False)
@pytest.mark.xfail(strict=True)
def test_build_dir_unused_template_j(tmpdir):
__test_build_dir_unused_template(tmpdir, True)
def test_suppress_unmatched_inline_suppression(): # 11172
args = [
'-q',
'--template=simple',
'--enable=information',
'--disable=missingInclude',
'--suppress=unmatchedSuppression',
'--inline-suppr',
'{}2.c'.format(__proj_inline_suppres_path)
]
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
assert lines == []
assert stdout == ''
assert ret == 0, stdout
# reporting of inline unusedFunction is deferred
def __test_unused_function_unmatched(tmpdir, use_j):
args = [
'-q',
'--template=simple',
'--enable=all',
'--inline-suppr',
'proj-inline-suppress/unusedFunctionUnmatched.cpp'
]
if use_j:
args.append('-j2')
else:
args.append('-j1')
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
lines.sort()
assert lines == [
'{}unusedFunctionUnmatched.cpp:5:0: information: Unmatched suppression: uninitvar [unmatchedSuppression]'.format(__proj_inline_suppres_path),
'{}unusedFunctionUnmatched.cpp:5:0: information: Unmatched suppression: unusedFunction [unmatchedSuppression]'.format(__proj_inline_suppres_path)
]
assert stdout == ''
assert ret == 0, stdout
def test_unused_function_unmatched(tmpdir):
__test_unused_function_unmatched(tmpdir, False)
@pytest.mark.skip # unusedFunction does not work with -j
def test_unused_function_unmatched_j(tmpdir):
__test_unused_function_unmatched(tmpdir, True)
# reporting of inline unusedFunction is deferred
def __test_unused_function_unmatched_build_dir(tmpdir, extra_args):
args = [
'-q',
'--template=simple',
'--cppcheck-build-dir={}'.format(tmpdir),
'--enable=all',
'--inline-suppr',
'proj-inline-suppress/unusedFunctionUnmatched.cpp'
]
args = args + extra_args
ret, stdout, stderr = cppcheck(args, cwd=__script_dir)
lines = stderr.splitlines()
lines.sort()
print(lines)
assert lines == [
'{}unusedFunctionUnmatched.cpp:5:0: information: Unmatched suppression: uninitvar [unmatchedSuppression]'.format(__proj_inline_suppres_path),
'{}unusedFunctionUnmatched.cpp:5:0: information: Unmatched suppression: unusedFunction [unmatchedSuppression]'.format(__proj_inline_suppres_path)
]
assert stdout == ''
assert ret == 0, stdout
def test_unused_function_unmatched_build_dir(tmpdir):
__test_unused_function_unmatched_build_dir(tmpdir, ['-j1'])
@pytest.mark.xfail(strict=True)
def test_unused_function_unmatched_build_dir_j(tmpdir):
__test_unused_function_unmatched_build_dir(tmpdir, ['-j2'])