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 == ""
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@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
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@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)
# /tmp/pytest-of-sshuser/pytest-215/test_execute_addon_failure_20/test.cpp:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'naming' (command: 'python5.x /mnt/s/GitHub/cppcheck-fw/addons/runaddon.py /mnt/s/GitHub/cppcheck-fw/addons/naming.py --cli /tmp/pytest-of-sshuser/pytest-215/test_execute_addon_failure_20/test.cpp.7306.dump'). Exitcode is nonzero. [internalError]\n\n^\n
# "C:\\Users\\Quotenjugendlicher\\AppData\\Local\\Temp\\pytest-of-Quotenjugendlicher\\pytest-15\\test_execute_addon_failure_20\\test.cpp:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon (command: 'python5.x S:\\GitHub\\cppcheck-fw\\bin\\debug\\addons\\runaddon.py S:\\GitHub\\cppcheck-fw\\bin\\debug\\addons\\naming.py --cli C:\\Users\\Quotenjugendlicher\\AppData\\Local\\Temp\\pytest-of-Quotenjugendlicher\\pytest-15\\test_execute_addon_failure_20\\test.cpp.9892.dump'). Exitcode is nonzero. [internalError]\n\n^\n
assert stderr.startswith('{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon \'naming\' (command: \'python5.x '.format(test_file))
assert stderr.endswith(' [internalError]\n\n^\n')
# 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)