435 lines
12 KiB
Python
435 lines
12 KiB
Python
# python -m pytest test-more-projects.py
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import json
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import os
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import pytest
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from testutils import cppcheck, assert_cppcheck
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def test_project_force_U(tmpdir):
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# 10018
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# -U does not work with compile_commands.json
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with open(os.path.join(tmpdir, 'bug1.cpp'), 'wt') as f:
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f.write("""
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int x = 123 / 0;
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#ifdef MACRO1
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int y = 1000 / 0;
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#endif
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""")
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compile_commands = os.path.join(tmpdir, 'compile_commands.json')
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compilation_db = [
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{"directory": str(tmpdir),
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"command": "c++ -o bug1.o -c bug1.cpp",
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"file": "bug1.cpp",
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"output": "bug1.o"}
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]
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with open(compile_commands, 'wt') as f:
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f.write(json.dumps(compilation_db))
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# Without -U => both bugs are found
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ret, stdout, stderr = cppcheck(['--project=' + compile_commands, '--force', '-rp=' + str(tmpdir), '--template=cppcheck1'])
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assert ret == 0, stdout
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assert (stderr == '[bug1.cpp:2]: (error) Division by zero.\n'
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'[bug1.cpp:4]: (error) Division by zero.\n')
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# With -U => only first bug is found
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ret, stdout, stderr = cppcheck(['--project=' + compile_commands, '--force', '-UMACRO1', '-rp=' + str(tmpdir), '--template=cppcheck1'])
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assert ret == 0, stdout
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assert stderr == '[bug1.cpp:2]: (error) Division by zero.\n'
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def __write_cppcheck_project_file(tmpdir, platform=None, importproject=None):
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project_file = os.path.join(tmpdir, 'Project.cppcheck')
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if platform is not None:
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platform = '<platform>{}</platform>'.format(platform)
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if importproject is not None:
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platform = '<importproject>{}</importproject>'.format(importproject)
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project version="1">
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{}
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{}
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<paths>
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<dir name="."/>
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</paths>
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</project>""".format(platform, importproject)
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)
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return project_file
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def test_project_custom_platform(tmpdir):
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"""
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import cppcheck project that contains a custom platform file
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"""
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project_file = __write_cppcheck_project_file(tmpdir, platform='p1.xml')
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with open(os.path.join(tmpdir, 'p1.xml'), 'wt') as f:
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f.write('<?xml version="1.0"?>\n<platform/>')
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with open(os.path.join(tmpdir, '1.c'), 'wt') as f:
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f.write("int x;")
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ret, stdout, stderr = cppcheck(['--project=' + project_file, '--template=cppcheck1', '-q'])
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assert ret == 0, stdout
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assert stdout == ''
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assert stderr == ''
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def test_project_empty_platform(tmpdir):
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"""
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import cppcheck project that contains an empty platform type
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"""
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project_file = __write_cppcheck_project_file(tmpdir, platform='')
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with open(os.path.join(tmpdir, '1.c'), 'wt') as f:
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f.write("int x;")
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ret, stdout, stderr = cppcheck(['--project=' + project_file, '--template=cppcheck1', '-q'])
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assert ret == 0, stdout
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assert stdout == ''
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assert stderr == ''
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def test_project_unspecified_platform(tmpdir):
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"""
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import cppcheck project that contains the deprecated platform type "Unspecified"
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"""
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project_file = __write_cppcheck_project_file(tmpdir, platform='Unspecified')
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with open(os.path.join(tmpdir, '1.c'), 'wt') as f:
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f.write("int x;")
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ret, stdout, stderr = cppcheck(['--project=' + project_file, '--template=cppcheck1', '-q'])
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assert ret == 0, stdout
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assert stdout == "cppcheck: 'Unspecified' is a deprecated platform type and will be removed in Cppcheck 2.14. Please use 'unspecified' instead.\n"
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assert stderr == ''
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def test_project_unknown_platform(tmpdir):
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"""
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import cppcheck project that contains an unknown platform type
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"""
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project_file = __write_cppcheck_project_file(tmpdir, platform='dummy')
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with open(os.path.join(tmpdir, '1.c'), 'wt') as f:
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f.write("int x;")
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ret, stdout, stderr = cppcheck(['--project=' + project_file, '--template=cppcheck1'])
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assert ret == 1, stdout
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assert stdout == "cppcheck: error: unrecognized platform: 'dummy'.\n"
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assert stderr == ''
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def test_project_empty_fields(tmpdir):
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"""
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import cppcheck project that contains all empty fields - make sure there are no crashes
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"""
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project_file = os.path.join(tmpdir, 'Project.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project version="1">
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<root/>
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<builddir/>
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<includedir/>
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<includedir>
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<dir/>
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</includedir>
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<defines/>
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<defines>
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<define/>
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</defines>
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<undefines/>
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<undefines>
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<undefine/>
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</undefines>
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<importproject/>
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<paths/>
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<paths>
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<dir/>
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</paths>
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<exclude/>
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<exclude>
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<paths/>
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</exclude>
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<function-contracts/>
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<variable-contracts/>
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<ignore/>
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<ignore>
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<path/>
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</ignore>
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<libraries/>
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<libraries>
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<library/>
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</libraries>
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<suppressions/>
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<suppressions>
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<suppression/>
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</suppressions>
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<vs-configurations/>
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<vs-configurations>
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<config/>
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</vs-configurations>
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<platform/>
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<analyze-all-vs-configs/>
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<parser/>
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<addons/>
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<addons>
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<addon/>
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</addons>
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<tags/>
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<tools/>
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<tools>
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<tool/>
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</tools>
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<check-headers/>
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<check-unused-templates/>
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<max-ctu-depth/>
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<max-template-recursion/>
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<check-unknown-function-return-values/>
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<safe-checks/>
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<safe-checks>
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<class-public/>
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<external-functions/>
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<internal-functions/>
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<external-variables/>
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</safe-checks>
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<tag-warnings/>
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<bug-hunting/>
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<cert-c-int-precision/>
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<coding-standards/>
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<coding-standards>
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<coding-standard/>
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</coding-standards>
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</project>""")
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ret, stdout, stderr = cppcheck(['--project=' + project_file, '--template=cppcheck1'])
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assert ret == 1, stdout # do not crash
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assert stdout == 'cppcheck: error: no C or C++ source files found.\n'
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assert stderr == ''
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def test_project_missing_subproject(tmpdir):
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"""
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import cppcheck project that contains an unknown platform type
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"""
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project_file = __write_cppcheck_project_file(tmpdir, importproject='dummy.json')
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ret, stdout, stderr = cppcheck(['--project=' + project_file, '--template=cppcheck1'])
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assert ret == 1, stdout
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assert stdout == "cppcheck: error: failed to open project '{}/dummy.json'. The file does not exist.\n".format(str(tmpdir).replace('\\', '/'))
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assert stderr == ''
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def test_project_std(tmpdir):
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with open(os.path.join(tmpdir, 'bug1.cpp'), 'wt') as f:
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f.write("""
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#if __cplusplus == 201402L
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int x = 123 / 0;
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#endif
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""")
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compile_commands = os.path.join(tmpdir, 'compile_commands.json')
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compilation_db = [
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{
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"directory": str(tmpdir),
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"command": "c++ -o bug1.o -c bug1.cpp -std=c++14",
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"file": "bug1.cpp",
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"output": "bug1.o"
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}
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]
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with open(compile_commands, 'wt') as f:
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f.write(json.dumps(compilation_db))
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ret, stdout, stderr = cppcheck(['--project=' + compile_commands, '--enable=all', '-rp=' + str(tmpdir), '--template=cppcheck1'])
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assert ret == 0, stdout
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assert (stderr == '[bug1.cpp:3]: (error) Division by zero.\n')
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@pytest.mark.skip() # clang-tidy is not available in all cases
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def test_clang_tidy(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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int main(int argc)
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{
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(void)argc;
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}
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""")
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project_file = os.path.join(tmpdir, 'test.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project version="1">
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<paths>
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<dir name="{}"/>
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</paths>>
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<tools>
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<tool>clang-tidy</tool>
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</tools>
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</project>""".format(test_file))
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args = ['--project={}'.format(project_file)]
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exitcode, stdout, stderr = cppcheck(args)
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assert exitcode == 0, stdout
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lines = stdout.splitlines()
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# TODO: should detect clang-tidy issue
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assert len(lines) == 1
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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_project_file_filter(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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pass
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project_file = os.path.join(tmpdir, 'test.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project>
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<paths>
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<dir name="{}"/>
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</paths>
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</project>""".format(test_file))
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args = ['--file-filter=*.cpp', '--project={}'.format(project_file)]
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out_lines = [
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'Checking {} ...'.format(test_file)
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]
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assert_cppcheck(args, ec_exp=0, err_exp=[], out_exp=out_lines)
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def test_project_file_filter_2(tmpdir):
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test_file_1 = os.path.join(tmpdir, 'test.cpp')
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with open(test_file_1, 'wt') as f:
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pass
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test_file_2 = os.path.join(tmpdir, 'test.c')
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with open(test_file_2, 'wt') as f:
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pass
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project_file = os.path.join(tmpdir, 'test.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project>
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<paths>
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<dir name="{}"/>
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<dir name="{}"/>
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</paths>
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</project>""".format(test_file_1, test_file_2))
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args = ['--file-filter=*.cpp', '--project={}'.format(project_file)]
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out_lines = [
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'Checking {} ...'.format(test_file_1)
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]
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assert_cppcheck(args, ec_exp=0, err_exp=[], out_exp=out_lines)
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def test_project_file_filter_3(tmpdir):
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test_file_1 = os.path.join(tmpdir, 'test.cpp')
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with open(test_file_1, 'wt') as f:
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pass
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test_file_2 = os.path.join(tmpdir, 'test.c')
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with open(test_file_2, 'wt') as f:
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pass
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project_file = os.path.join(tmpdir, 'test.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project>
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<paths>
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<dir name="{}"/>
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<dir name="{}"/>
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</paths>
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</project>""".format(test_file_1, test_file_2))
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args = ['--file-filter=*.c', '--project={}'.format(project_file)]
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out_lines = [
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'Checking {} ...'.format(test_file_2)
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]
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assert_cppcheck(args, ec_exp=0, err_exp=[], out_exp=out_lines)
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def test_project_file_filter_no_match(tmpdir):
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project_file = os.path.join(tmpdir, 'test.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project>
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<paths>
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<dir name="test.cpp"/>
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</paths>
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</project>""")
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args = ['--file-filter=*.c', '--project={}'.format(project_file)]
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out_lines = [
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'cppcheck: error: could not find any files matching the filter.'
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]
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assert_cppcheck(args, ec_exp=1, err_exp=[], out_exp=out_lines)
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def test_project_file_order(tmpdir):
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test_file_a = os.path.join(tmpdir, 'a.c')
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with open(test_file_a, 'wt'):
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pass
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test_file_b = os.path.join(tmpdir, 'b.c')
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with open(test_file_b, 'wt'):
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pass
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test_file_c = os.path.join(tmpdir, 'c.c')
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with open(test_file_c, 'wt'):
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pass
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test_file_d = os.path.join(tmpdir, 'd.c')
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with open(test_file_d, 'wt'):
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pass
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project_file = os.path.join(tmpdir, 'test.cppcheck')
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with open(project_file, 'wt') as f:
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f.write(
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"""<?xml version="1.0" encoding="UTF-8"?>
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<project>
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<paths>
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<dir name="{}"/>
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<dir name="{}"/>
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<dir name="{}"/>
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<dir name="{}"/>
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</paths>
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</project>""".format(test_file_c, test_file_d, test_file_b, test_file_a))
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args = ['--project={}'.format(project_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_c),
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'1/4 files checked 0% done',
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'Checking {} ...'.format(test_file_d),
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'2/4 files checked 0% done',
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'Checking {} ...'.format(test_file_b),
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'3/4 files checked 0% done',
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'Checking {} ...'.format(test_file_a),
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'4/4 files checked 0% done'
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]
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assert stderr == ''
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