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', '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', 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', 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', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
assert stdout == "Checking {} ...\n".format(test_file)
assert stderr == ""
2023-08-31 16:46:20 +02:00
@pytest.mark.timeout(10)
def test_slow_array_many_floats(tmpdir):
# 11649
# cppcheck valueflow takes a long time when an array has many floats
filename = os.path.join(tmpdir, 'hang.c')
with open(filename, 'wt') as f:
f.write("const float f[] = {\n")
for i in range(20000):
f.write(' 13.6f,\n')
f.write("};\n")
cppcheck([filename]) # should not take more than ~1 second
@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
2023-09-14 09:41:39 +02:00
@pytest.mark.timeout(10)
def test_slow_long_line(tmpdir):
# simplecpp #314
filename = os.path.join(tmpdir, 'hang.c')
with open(filename, 'wt') as f:
f.write("#define A() static const int a[] = {\\\n")
for i in range(5000):
f.write(" -123, 456, -789,\\\n")
f.write("};\n")
cppcheck([filename]) # should not take more than ~1 second
def test_execute_addon_failure(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
void f();
""")
args = ['--addon=naming', test_file]
# provide empty PATH environment variable so python is not found and execution of addon fails
env = {'PATH': ''}
_, _, stderr = cppcheck(args, env)
assert stderr == '{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to auto detect python [internalError]\n\n^\n'.format(test_file)
def test_execute_addon_failure_2(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
void f();
""")
# specify non-existent python executbale so execution of addon fails
args = ['--addon=naming', '--addon-python=python5.x', test_file]
_, _, stderr = cppcheck(args)
ec = 1 if os.name == 'nt' else 127
assert stderr == "{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'naming' - exitcode is {} [internalError]\n\n^\n".format(test_file, ec)
# TODO: find a test case which always fails
@pytest.mark.skip
def test_internal_error(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
#include <cstdio>
void f() {
double gc = 3333.3333;
char stat[80];
sprintf(stat,"'%2.1f'",gc);
}
""")
args = [test_file]
_, _, stderr = cppcheck(args)
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assert stderr == '{}:0:0: error: Bailing from out analysis: Checking file failed: converting \'1f\' to integer failed - not an integer [internalError]\n\n^\n'.format(test_file)
def test_addon_misra(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
typedef int MISRA_5_6_VIOLATION;
""")
args = ['--addon=misra', '--enable=all', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == '{}:2:1: style: misra violation (use --rule-texts=<file> to get proper output) [misra-c2012-2.3]\ntypedef int MISRA_5_6_VIOLATION;\n^\n'.format(test_file)
def test_addon_y2038(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
# TODO: trigger warning
with open(test_file, 'wt') as f:
f.write("""
extern void f()
{
time_t t = std::time(nullptr);
(void)t;
}
""")
args = ['--addon=y2038', '--enable=all', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == '{}:4:21: warning: time is Y2038-unsafe [y2038-unsafe-call]\n'.format(test_file)
def test_addon_threadsafety(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
extern const char* f()
{
return strerror(1);
}
""")
args = ['--addon=threadsafety', '--enable=all', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == '{}:4:12: warning: strerror is MT-unsafe [threadsafety-unsafe-call]\n'.format(test_file)
def test_addon_naming(tmpdir):
# the addon does nothing without a config
addon_file = os.path.join(tmpdir, 'naming1.json')
with open(addon_file, 'wt') as f:
f.write("""
{
"script": "addons/naming.py",
"args": [
"--var=[_a-z].*"
]
}
""")
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
int Var;
""")
args = ['--addon={}'.format(addon_file), '--enable=all', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == '{}:2:1: style: Variable Var violates naming convention [naming-varname]\n'.format(test_file)
# the namingng addon only works standalone and not in CLI mode - see #12005
@pytest.mark.skip
def test_addon_namingng(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
# TODO: trigger warning
with open(test_file, 'wt') as f:
f.write("""
typedef int MISRA_5_6_VIOLATION;
""")
args = ['--addon=namingng', '--enable=all', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == ''
def test_addon_findcasts(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
extern void f(char c)
{
int i = (int)c;
(void)i;
}
""")
args = ['--addon=findcasts', '--enable=all', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == '{}:4:21: information: found a cast [findcasts-cast]\n'.format(test_file)
def test_addon_misc(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
extern void f()
{
char char* [] = {"a" "b"}
}
""")
args = ['--addon=misc', '--enable=all', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == '{}:4:26: style: String concatenation in array initialization, missing comma? [misc-stringConcatInArrayInit]\n'.format(test_file)
def test_invalid_addon_json(tmpdir):
addon_file = os.path.join(tmpdir, 'addon1.json')
with open(addon_file, 'wt') as f:
f.write("""
""")
test_file = os.path.join(tmpdir, 'file.cpp')
with open(test_file, 'wt') as f:
f.write("""
typedef int MISRA_5_6_VIOLATION;
""")
args = ['--addon={}'.format(addon_file), '--enable=all', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 1
lines = stdout.splitlines()
assert lines == [
'Loading {} failed. syntax error at line 2 near: '.format(addon_file)
]
assert stderr == ''
def test_invalid_addon_py(tmpdir):
addon_file = os.path.join(tmpdir, 'addon1.py')
with open(addon_file, 'wt') as f:
f.write("""
raise Exception()
""")
test_file = os.path.join(tmpdir, 'file.cpp')
with open(test_file, 'wt') as f:
f.write("""
typedef int MISRA_5_6_VIOLATION;
""")
args = ['--addon={}'.format(addon_file), '--enable=all', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0 # TODO: needs to be 1
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == "{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'addon1' - exitcode is 1 [internalError]\n\n^\n".format(test_file)
def test_invalid_addon_py_verbose(tmpdir):
addon_file = os.path.join(tmpdir, 'addon1.py')
with open(addon_file, 'wt') as f:
f.write("""
raise Exception()
""")
test_file = os.path.join(tmpdir, 'file.cpp')
with open(test_file, 'wt') as f:
f.write("""
typedef int MISRA_5_6_VIOLATION;
""")
args = ['--addon={}'.format(addon_file), '--enable=all', '--verbose', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0 # TODO: needs to be 1
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file),
'Defines:',
'Undefines:',
'Includes:',
'Platform:native'
]
"""
/tmp/pytest-of-user/pytest-11/test_invalid_addon_py_20/file.cpp:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'addon1' - exitcode is 1: python3 /home/user/CLionProjects/cppcheck/addons/runaddon.py /tmp/pytest-of-user/pytest-11/test_invalid_addon_py_20/addon1.py --cli /tmp/pytest-of-user/pytest-11/test_invalid_addon_py_20/file.cpp.24762.dump
Output:
Traceback (most recent call last):
File "/home/user/CLionProjects/cppcheck/addons/runaddon.py", line 8, in <module>
runpy.run_path(addon, run_name='__main__')
File "<frozen runpy>", line 291, in run_path
File "<frozen runpy>", line 98, in _run_module_code
File "<frozen runpy>", line 88, in _run_code
File "/tmp/pytest-of-user/pytest-11/test_invalid_addon_py_20/addon1.py", line 2, in <module>
raise Exception()
Exceptio [internalError]
"""
# /tmp/pytest-of-user/pytest-10/test_invalid_addon_py_20/file.cpp:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'addon1' - exitcode is 256.: python3 /home/user/CLionProjects/cppcheck/addons/runaddon.py /tmp/pytest-of-user/pytest-10/test_invalid_addon_py_20/addon1.py --cli /tmp/pytest-of-user/pytest-10/test_invalid_addon_py_20/file.cpp.24637.dump
assert stderr.startswith("{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'addon1' - exitcode is 1: ".format(test_file))
assert stderr.count('Output:\nTraceback')
assert stderr.endswith('raise Exception()\nException [internalError]\n\n^\n')
def test_addon_result(tmpdir):
addon_file = os.path.join(tmpdir, 'addon1.py')
with open(addon_file, 'wt') as f:
f.write("""
print("Checking ...")
print("")
print('{"file": "test.cpp", "linenr": 1, "column": 1, "severity": "style", "message": "msg", "addon": "addon1", "errorId": "id", "extra": ""}')
print('{"loc": [{"file": "test.cpp", "linenr": 1, "column": 1, "info": ""}], "severity": "style", "message": "msg", "addon": "addon1", "errorId": "id", "extra": ""}')
""")
test_file = os.path.join(tmpdir, 'file.cpp')
with open(test_file, 'wt') as f:
f.write("""
typedef int MISRA_5_6_VIOLATION;
""")
args = ['--addon={}'.format(addon_file), '--enable=all', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0 # TODO: needs to be 1
lines = stdout.splitlines()
assert lines == [
'Checking {} ...'.format(test_file)
]
assert stderr == 'test.cpp:1:1: style: msg [addon1-id]\n\n^\n'
# #11483
def test_unused_function_include(tmpdir):
test_cpp_file = os.path.join(tmpdir, 'test.cpp')
with open(test_cpp_file, 'wt') as f:
f.write("""
#include "test.h"
""")
test_h_file = os.path.join(tmpdir, 'test.h')
with open(test_h_file, 'wt') as f:
f.write("""
class A {
public:
void f() {}
// cppcheck-suppress unusedFunction
void f2() {}
};
""")
args = ['--enable=unusedFunction', '--inline-suppr', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_cpp_file]
_, _, stderr = cppcheck(args)
assert stderr == "{}:4:0: style: The function 'f' is never used. [unusedFunction]\n".format(test_h_file)
# TODO: test with -j and all other types
def test_showtime_top5_file(tmpdir):
test_file = os.path.join(tmpdir, 'test.cpp')
with open(test_file, 'wt') as f:
f.write("""
int main(int argc)
{
}
""")
args = ['--showtime=top5_file', '--quiet', test_file]
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 0 # TODO: needs to be 1
lines = stdout.splitlines()
assert len(lines) == 7
assert lines[0] == ''
for i in range(1, 5):
assert lines[i].endswith(' - 1 result(s))')
assert lines[6].startswith('Overall time:')
assert stderr == ''
def test_missing_addon(tmpdir):
args = ['--addon=misra3', '--addon=misra', '--addon=misra2', 'file.c']
exitcode, stdout, stderr = cppcheck(args)
assert exitcode == 1
lines = stdout.splitlines()
lines.sort()
assert lines == [
'Did not find addon misra2.py',
'Did not find addon misra3.py'
]
assert stderr == ""