cppcheck/test/cli/test-other.py

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# python -m pytest test-other.py
import os
import pytest
from testutils import cppcheck
def __test_missing_include(tmpdir, use_j):
test_file = os.path.join(tmpdir, 'test.c')
with open(test_file, 'wt') as f:
f.write("""
#include "test.h"
""")
args = ['--enable=missingInclude', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
if use_j:
args.insert(0, '-j2')
_, _, stderr = cppcheck(args)
assert stderr == '{}:2:0: information: Include file: "test.h" not found. [missingInclude]\n'.format(test_file)
def test_missing_include(tmpdir):
__test_missing_include(tmpdir, False)
def test_missing_include_j(tmpdir): #11283
__test_missing_include(tmpdir, True)
def __test_missing_include_check_config(tmpdir, use_j):
test_file = os.path.join(tmpdir, 'test.c')
with open(test_file, 'wt') as f:
f.write("""
#include "test.h"
""")
# TODO: -rp is not working requiring the full path in the assert
args = '--check-config -rp={} {}'.format(tmpdir, test_file)
if use_j:
args = '-j2 ' + args
_, _, stderr = cppcheck(args.split())
assert stderr == '' # --check-config no longer reports the missing includes
def test_missing_include_check_config(tmpdir):
__test_missing_include_check_config(tmpdir, False)
def test_missing_include_check_config_j(tmpdir):
__test_missing_include_check_config(tmpdir, True)
def test_missing_include_inline_suppr(tmpdir):
test_file = os.path.join(tmpdir, 'test.c')
with open(test_file, 'wt') as f:
f.write("""
// cppcheck-suppress missingInclude
#include "missing.h"
// cppcheck-suppress missingIncludeSystem
#include <missing2.h>
""")
args = ['--enable=missingInclude', '--inline-suppr', test_file]
_, _, stderr = cppcheck(args)
assert stderr == ''
def test_invalid_library(tmpdir):
args = ['--library=none', '--library=posix', '--library=none2', '--platform=native', 'file.c']
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 1
assert (stdout == "cppcheck: Failed to load library configuration file 'none'. File not found\n"
"cppcheck: Failed to load library configuration file 'none2'. File not found\n")
assert stderr == ""
def test_message_j(tmpdir):
test_file = os.path.join(tmpdir, 'test.c')
with open(test_file, 'wt') as f:
f.write("")
args = ['-j2', '--platform=native', test_file]
_, stdout, _ = cppcheck(args)
assert stdout == "Checking {} ...\n".format(test_file) # we were adding stray \0 characters at the end
# TODO: test missing std.cfg
def test_progress(tmpdir):
test_file = os.path.join(tmpdir, 'test.c')
with open(test_file, 'wt') as f:
f.write("""
int main(int argc)
{
}
""")
args = ['--report-progress=0', '--enable=all', '--inconclusive', '--platform=native', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
pos = stdout.find('\n')
assert(pos != -1)
pos += 1
assert stdout[:pos] == "Checking {} ...\n".format(test_file)
assert (stdout[pos:] ==
"progress: Tokenize (typedef) 0%\n"
"progress: Tokenize (typedef) 12%\n"
"progress: Tokenize (typedef) 25%\n"
"progress: Tokenize (typedef) 37%\n"
"progress: Tokenize (typedef) 50%\n"
"progress: Tokenize (typedef) 62%\n"
"progress: Tokenize (typedef) 75%\n"
"progress: Tokenize (typedef) 87%\n"
"progress: SymbolDatabase 0%\n"
"progress: SymbolDatabase 12%\n"
"progress: SymbolDatabase 87%\n"
)
assert stderr == ""
def test_progress_j(tmpdir):
test_file = os.path.join(tmpdir, 'test.c')
with open(test_file, 'wt') as f:
f.write("""
int main(int argc)
{
}
""")
args = ['--report-progress=0', '--enable=all', '--inconclusive', '-j2', '--disable=unusedFunction', '--platform=native', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
assert stdout == "Checking {} ...\n".format(test_file)
assert stderr == ""
@pytest.mark.timeout(10)
def test_slow_array_many_strings(tmpdir):
# 11901
# cppcheck valueflow takes a long time when analyzing a file with many strings
filename = os.path.join(tmpdir, 'hang.c')
with open(filename, 'wt') as f:
f.write("const char *strings[] = {\n")
for i in range(20000):
f.write(' "abc",\n')
f.write("};\n")
cppcheck([filename]) # should not take more than ~1 second