447 lines
14 KiB
Python
447 lines
14 KiB
Python
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# python -m pytest test-other.py
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import os
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import pytest
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from testutils import cppcheck
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def __test_missing_include(tmpdir, use_j):
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test_file = os.path.join(tmpdir, 'test.c')
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with open(test_file, 'wt') as f:
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f.write("""
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#include "test.h"
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""")
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args = ['--enable=missingInclude', '--template={file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]', test_file]
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if use_j:
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args.insert(0, '-j2')
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_, _, stderr = cppcheck(args)
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assert stderr == '{}:2:0: information: Include file: "test.h" not found. [missingInclude]\n'.format(test_file)
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def test_missing_include(tmpdir):
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__test_missing_include(tmpdir, False)
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def test_missing_include_j(tmpdir): #11283
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__test_missing_include(tmpdir, True)
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def __test_missing_include_check_config(tmpdir, use_j):
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test_file = os.path.join(tmpdir, 'test.c')
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with open(test_file, 'wt') as f:
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f.write("""
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#include "test.h"
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""")
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# TODO: -rp is not working requiring the full path in the assert
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args = '--check-config -rp={} {}'.format(tmpdir, test_file)
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if use_j:
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args = '-j2 ' + args
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_, _, stderr = cppcheck(args.split())
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assert stderr == '' # --check-config no longer reports the missing includes
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def test_missing_include_check_config(tmpdir):
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__test_missing_include_check_config(tmpdir, False)
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def test_missing_include_check_config_j(tmpdir):
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__test_missing_include_check_config(tmpdir, True)
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def test_missing_include_inline_suppr(tmpdir):
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test_file = os.path.join(tmpdir, 'test.c')
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with open(test_file, 'wt') as f:
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f.write("""
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// cppcheck-suppress missingInclude
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#include "missing.h"
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// cppcheck-suppress missingIncludeSystem
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#include <missing2.h>
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""")
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args = ['--enable=missingInclude', '--inline-suppr', test_file]
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_, _, stderr = cppcheck(args)
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assert stderr == ''
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def test_invalid_library(tmpdir):
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args = ['--library=none', '--library=posix', '--library=none2', 'file.c']
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 1
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assert (stdout == "cppcheck: Failed to load library configuration file 'none'. File not found\n"
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"cppcheck: Failed to load library configuration file 'none2'. File not found\n")
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assert stderr == ""
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def test_message_j(tmpdir):
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test_file = os.path.join(tmpdir, 'test.c')
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with open(test_file, 'wt') as f:
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f.write("")
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args = ['-j2', test_file]
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_, stdout, _ = cppcheck(args)
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assert stdout == "Checking {} ...\n".format(test_file) # we were adding stray \0 characters at the end
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# TODO: test missing std.cfg
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def test_progress(tmpdir):
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test_file = os.path.join(tmpdir, 'test.c')
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with open(test_file, 'wt') as f:
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f.write("""
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int main(int argc)
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{
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}
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""")
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args = ['--report-progress=0', '--enable=all', '--inconclusive', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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pos = stdout.find('\n')
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assert(pos != -1)
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pos += 1
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assert stdout[:pos] == "Checking {} ...\n".format(test_file)
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assert (stdout[pos:] ==
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"progress: Tokenize (typedef) 0%\n"
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"progress: Tokenize (typedef) 12%\n"
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"progress: Tokenize (typedef) 25%\n"
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"progress: Tokenize (typedef) 37%\n"
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"progress: Tokenize (typedef) 50%\n"
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"progress: Tokenize (typedef) 62%\n"
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"progress: Tokenize (typedef) 75%\n"
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"progress: Tokenize (typedef) 87%\n"
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"progress: SymbolDatabase 0%\n"
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"progress: SymbolDatabase 12%\n"
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"progress: SymbolDatabase 87%\n"
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)
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assert stderr == ""
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def test_progress_j(tmpdir):
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test_file = os.path.join(tmpdir, 'test.c')
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with open(test_file, 'wt') as f:
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f.write("""
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int main(int argc)
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{
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}
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""")
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args = ['--report-progress=0', '--enable=all', '--inconclusive', '-j2', '--disable=unusedFunction', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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assert stdout == "Checking {} ...\n".format(test_file)
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assert stderr == ""
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@pytest.mark.timeout(10)
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def test_slow_array_many_floats(tmpdir):
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# 11649
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# cppcheck valueflow takes a long time when an array has many floats
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filename = os.path.join(tmpdir, 'hang.c')
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with open(filename, 'wt') as f:
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f.write("const float f[] = {\n")
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for i in range(20000):
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f.write(' 13.6f,\n')
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f.write("};\n")
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cppcheck([filename]) # should not take more than ~1 second
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@pytest.mark.timeout(10)
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def test_slow_array_many_strings(tmpdir):
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# 11901
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# cppcheck valueflow takes a long time when analyzing a file with many strings
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filename = os.path.join(tmpdir, 'hang.c')
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with open(filename, 'wt') as f:
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f.write("const char *strings[] = {\n")
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for i in range(20000):
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f.write(' "abc",\n')
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f.write("};\n")
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cppcheck([filename]) # should not take more than ~1 second
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@pytest.mark.timeout(10)
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def test_slow_long_line(tmpdir):
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# simplecpp #314
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filename = os.path.join(tmpdir, 'hang.c')
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with open(filename, 'wt') as f:
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f.write("#define A() static const int a[] = {\\\n")
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for i in range(5000):
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f.write(" -123, 456, -789,\\\n")
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f.write("};\n")
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cppcheck([filename]) # should not take more than ~1 second
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def test_execute_addon_failure(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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void f();
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""")
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args = ['--addon=naming', test_file]
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# provide empty PATH environment variable so python is not found and execution of addon fails
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env = {'PATH': ''}
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_, _, stderr = cppcheck(args, env)
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assert stderr == '{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to auto detect python [internalError]\n\n^\n'.format(test_file)
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def test_execute_addon_failure_2(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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void f();
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""")
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# specify non-existent python executbale so execution of addon fails
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args = ['--addon=naming', '--addon-python=python5.x', test_file]
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_, _, stderr = cppcheck(args)
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ec = 1 if os.name == 'nt' else 127
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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)
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# TODO: find a test case which always fails
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@pytest.mark.skip
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def test_internal_error(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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#include <cstdio>
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void f() {
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double gc = 3333.3333;
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char stat[80];
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sprintf(stat,"'%2.1f'",gc);
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}
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""")
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args = [test_file]
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_, _, 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)
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def test_addon_misra(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon=misra', '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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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)
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def test_addon_y2038(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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# TODO: trigger warning
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon=y2038', '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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assert stderr == ''
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def test_addon_threadsafety(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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# TODO: trigger warning
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon=y2038', '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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assert stderr == ''
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def test_addon_naming(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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# TODO: trigger warning
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon=y2038', '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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assert stderr == ''
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def test_addon_namingng(tmpdir):
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test_file = os.path.join(tmpdir, 'test.cpp')
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# TODO: trigger warning
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon=y2038', '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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assert stderr == ''
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def test_invalid_addon_json(tmpdir):
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addon_file = os.path.join(tmpdir, 'addon1.json')
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with open(addon_file, 'wt') as f:
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f.write("""
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""")
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test_file = os.path.join(tmpdir, 'file.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon={}'.format(addon_file), '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0 # TODO: needs to be 1
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file),
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'Loading {} failed. syntax error at line 2 near: '.format(addon_file),
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'Loading {} failed. syntax error at line 2 near: '.format(addon_file)
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]
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assert stderr == ''
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def test_invalid_addon_py(tmpdir):
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addon_file = os.path.join(tmpdir, 'addon1.py')
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with open(addon_file, 'wt') as f:
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f.write("""
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raise Exception()
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""")
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test_file = os.path.join(tmpdir, 'file.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon={}'.format(addon_file), '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0 # TODO: needs to be 1
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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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)
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def test_invalid_addon_py_verbose(tmpdir):
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addon_file = os.path.join(tmpdir, 'addon1.py')
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with open(addon_file, 'wt') as f:
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f.write("""
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raise Exception()
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""")
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test_file = os.path.join(tmpdir, 'file.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon={}'.format(addon_file), '--enable=all', '--verbose', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0 # TODO: needs to be 1
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file),
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'Defines:',
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'Undefines:',
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'Includes:',
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'Platform:native'
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]
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"""
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/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
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Output:
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Traceback (most recent call last):
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File "/home/user/CLionProjects/cppcheck/addons/runaddon.py", line 8, in <module>
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runpy.run_path(addon, run_name='__main__')
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File "<frozen runpy>", line 291, in run_path
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File "<frozen runpy>", line 98, in _run_module_code
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File "<frozen runpy>", line 88, in _run_code
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File "/tmp/pytest-of-user/pytest-11/test_invalid_addon_py_20/addon1.py", line 2, in <module>
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raise Exception()
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Exceptio [internalError]
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"""
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# /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
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assert stderr.startswith("{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'addon1' - exitcode is 1: ".format(test_file))
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assert stderr.count('Output:\nTraceback')
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assert stderr.endswith('raise Exception()\nException [internalError]\n\n^\n')
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def test_addon_result(tmpdir):
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addon_file = os.path.join(tmpdir, 'addon1.py')
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with open(addon_file, 'wt') as f:
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f.write("""
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print("Checking ...")
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print("")
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print('{"file": "test.cpp", "linenr": 1, "column": 1, "severity": "style", "message": "msg", "addon": "addon1", "errorId": "id", "extra": ""}')
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print('{"loc": [{"file": "test.cpp", "linenr": 1, "column": 1, "info": ""}], "severity": "style", "message": "msg", "addon": "addon1", "errorId": "id", "extra": ""}')
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""")
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test_file = os.path.join(tmpdir, 'file.cpp')
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with open(test_file, 'wt') as f:
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f.write("""
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typedef int MISRA_5_6_VIOLATION;
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""")
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args = ['--addon={}'.format(addon_file), '--enable=all', test_file]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0 # TODO: needs to be 1
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lines = stdout.splitlines()
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assert lines == [
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'Checking {} ...'.format(test_file)
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]
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assert stderr == 'test.cpp:1:1: style: msg [addon1-id]\n\n^\n'
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