81719351c6
Often a developer debugging a failing CppUnit test wants a core dump with the place where an uncaught exception is thrown. So if the newly introduced CPPUNIT_PROPAGATE_EXCEPTIONS environment variable is set (to any value), disable all the protectors that would otherwise catch such exceptions (and just report some limited information about them). Change-Id: I3052f71c0787583c496279a6f5b35a0299c357b3 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/143882 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
633 lines
19 KiB
C++
633 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifdef _WIN32
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#if !defined WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#endif
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#if defined(_WIN32) && defined(_DEBUG)
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#include <dbghelp.h>
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#include <sal/backtrace.hxx>
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#include <signal.h>
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#endif
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#ifdef UNX
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#include <sys/time.h>
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#include <sys/resource.h>
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#endif
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#include <stdlib.h>
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#include <cstdlib>
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#include <iostream>
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#include <string>
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#include <sal/log.hxx>
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#include <sal/types.h>
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#include <cppunittester/protectorfactory.hxx>
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#include <osl/module.h>
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#include <osl/module.hxx>
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#include <osl/thread.h>
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#include <rtl/character.hxx>
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#include <rtl/process.h>
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#include <rtl/string.h>
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#include <rtl/string.hxx>
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#include <rtl/strbuf.hxx>
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#include <rtl/textcvt.h>
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#include <rtl/ustring.hxx>
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#include <sal/main.h>
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#include <cppunit/CompilerOutputter.h>
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#include <cppunit/Exception.h>
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#include <cppunit/TestFailure.h>
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#include <cppunit/TestResult.h>
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#include <cppunit/TestResultCollector.h>
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#include <cppunit/TestRunner.h>
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#include <cppunit/extensions/TestFactoryRegistry.h>
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#include <cppunit/plugin/PlugInManager.h>
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#include <cppunit/plugin/DynamicLibraryManagerException.h>
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#include <cppunit/portability/Stream.h>
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#include <memory>
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#include <boost/algorithm/string.hpp>
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#include <algorithm>
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#include <string_view>
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#include <utility>
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namespace {
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void usageFailure() {
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std::cerr
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<< ("Usage: cppunittester (--protector <shared-library-path>"
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" <function-symbol>)* <shared-library-path>")
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<< std::endl;
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std::exit(EXIT_FAILURE);
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}
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OUString getArgument(sal_Int32 index) {
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OUString arg;
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osl_getCommandArg(index, &arg.pData);
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return arg;
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}
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std::string convertLazy(std::u16string_view s16) {
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OString s8(OUStringToOString(s16, osl_getThreadTextEncoding()));
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static_assert(sizeof (sal_Int32) <= sizeof (std::string::size_type), "must be at least the same size");
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// ensure following cast is legitimate
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return std::string(
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s8.getStr(), static_cast< std::string::size_type >(s8.getLength()));
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}
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//Output how long each test took
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class TimingListener
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: public CppUnit::TestListener
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{
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public:
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TimingListener()
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: m_nStartTime(0)
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{
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}
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TimingListener(const TimingListener&) = delete;
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TimingListener& operator=(const TimingListener&) = delete;
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void startTest( CppUnit::Test *test) override
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{
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std::cout << "[_RUN_____] " << test->getName() << std::endl;
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m_nStartTime = osl_getGlobalTimer();
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}
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void endTest( CppUnit::Test *test ) override
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{
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sal_uInt32 nEndTime = osl_getGlobalTimer();
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std::cout << test->getName() << " finished in: "
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<< nEndTime-m_nStartTime << "ms" << std::endl;
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}
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private:
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sal_uInt32 m_nStartTime;
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};
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// Setup an env variable so that temp file (or other) can
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// have a useful value to identify the source
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class EyecatcherListener
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: public CppUnit::TestListener
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{
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public:
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EyecatcherListener() = default;
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EyecatcherListener(const EyecatcherListener&) = delete;
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EyecatcherListener& operator=(const EyecatcherListener&) = delete;
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void startTest( CppUnit::Test* test) override
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{
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rtl::OStringBuffer tn(test->getName());
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for(int i = 0; i < tn.getLength(); i++)
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{
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if(!rtl::isAsciiAlphanumeric(static_cast<unsigned char>(tn[i])))
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{
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tn[i] = '_';
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}
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}
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tn.append('_');
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#ifdef WIN32
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_putenv_s("LO_TESTNAME", tn.getStr());
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#else
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setenv("LO_TESTNAME", tn.getStr(), true);
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#endif
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}
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void endTest( CppUnit::Test* /* test */ ) override
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{
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}
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};
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class LogFailuresAsTheyHappen : public CppUnit::TestListener
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{
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public:
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virtual void addFailure( const CppUnit::TestFailure &failure ) override
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{
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printFailureLocation( failure.sourceLine() );
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printFailedTestName( failure );
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printFailureMessage( failure );
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}
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private:
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static void printFailureLocation( const CppUnit::SourceLine &sourceLine )
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{
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if ( !sourceLine.isValid() )
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std::cerr << "unknown:0:";
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else
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std::cerr << sourceLine.fileName() << ":" << sourceLine.lineNumber() << ":";
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}
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static void printFailedTestName( const CppUnit::TestFailure &failure )
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{
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std::cerr << failure.failedTestName() << std::endl;
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}
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static void printFailureMessage( const CppUnit::TestFailure &failure )
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{
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std::cerr << failure.thrownException()->message().shortDescription() << std::endl;
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std::cerr << failure.thrownException()->message().details() << std::endl;
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}
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};
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struct test_name_compare
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{
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explicit test_name_compare(std::string aName):
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maName(std::move(aName))
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{
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}
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bool operator()(const std::string& rCmp)
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{
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size_t nPos = maName.find(rCmp);
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if (nPos == std::string::npos)
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return false;
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size_t nEndPos = nPos + rCmp.size();
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return nEndPos == maName.size();
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}
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std::string maName;
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};
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bool addRecursiveTests(const std::vector<std::string>& test_names, CppUnit::Test* pTest, CppUnit::TestRunner& rRunner)
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{
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bool ret(false);
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for (int i = 0; i < pTest->getChildTestCount(); ++i)
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{
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CppUnit::Test* pNewTest = pTest->getChildTestAt(i);
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ret |= addRecursiveTests(test_names, pNewTest, rRunner);
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if (std::any_of(test_names.begin(), test_names.end(), test_name_compare(pNewTest->getName())))
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{
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rRunner.addTest(pNewTest);
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ret = true;
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}
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}
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return ret;
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}
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//Allow the whole uniting testing framework to be run inside a "Protector"
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//which knows about uno exceptions, so it can print the content of the
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//exception before falling over and dying
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class CPPUNIT_API ProtectedFixtureFunctor
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: public CppUnit::Functor
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{
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private:
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const std::string &testlib;
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const std::string &args;
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std::vector<CppUnit::Protector *> &protectors;
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CppUnit::TestResult &result;
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public:
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ProtectedFixtureFunctor(const std::string& testlib_, const std::string &args_, std::vector<CppUnit::Protector*> &protectors_, CppUnit::TestResult &result_)
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: testlib(testlib_)
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, args(args_)
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, protectors(protectors_)
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, result(result_)
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{
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}
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ProtectedFixtureFunctor(const ProtectedFixtureFunctor&) = delete;
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ProtectedFixtureFunctor& operator=(const ProtectedFixtureFunctor&) = delete;
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bool run() const
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{
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#ifdef DISABLE_DYNLOADING
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// NOTE: Running cppunit unit tests on iOS was something I did
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// only very early (several years ago) when starting porting
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// this stuff to iOS. The complicated mechanisms to do build
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// such unit test single executables have surely largely
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// bit-rotted or been semi-intentionally broken since. This
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// stuff here left for information only. --tml 2014.
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// For iOS cppunit plugins aren't really "plugins" (shared
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// libraries), but just static archives. In the real main
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// program of a cppunit app, which calls the lo_main() that
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// the SAL_IMPLEMENT_MAIN() below expands to, we specifically
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// call the initialize methods of the CppUnitTestPlugIns that
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// we statically link to the app executable.
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#else
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// The PlugInManager instance is deliberately leaked, so that the dynamic libraries it loads
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// are never unloaded (which could make e.g. pointers from other libraries' static data
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// structures to const data in those libraries, like some static OUString cache pointing at
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// a const OUStringLiteral, become dangling by the time those static data structures are
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// destroyed during exit):
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auto manager = new CppUnit::PlugInManager;
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try {
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manager->load(testlib, args);
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} catch (const CppUnit::DynamicLibraryManagerException &e) {
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std::cerr << "DynamicLibraryManagerException: \"" << e.what() << "\"\n";
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const char *pPath = getenv ("PATH");
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const size_t nPathLen = pPath ? strlen(pPath) : 0;
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#ifdef _WIN32
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if (nPathLen > 256)
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{
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std::cerr << "Windows has significant build problems with long PATH variables ";
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std::cerr << "please check your PATH variable and re-autogen.\n";
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}
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#endif
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std::cerr << "Path (length: " << nPathLen << ") is '" << pPath << "'\n";
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return false;
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}
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#endif
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for (size_t i = 0; i < protectors.size(); ++i)
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result.pushProtector(protectors[i]);
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bool success;
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{
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CppUnit::TestResultCollector collector;
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result.addListener(&collector);
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LogFailuresAsTheyHappen logger;
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result.addListener(&logger);
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TimingListener timer;
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result.addListener(&timer);
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EyecatcherListener eye;
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result.addListener(&eye);
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// set this to track down files created before first test method
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std::string lib = testlib.substr(testlib.rfind('/')+1);
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#ifdef WIN32
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_putenv_s("LO_TESTNAME", lib.c_str());
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#else
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setenv("LO_TESTNAME", lib.c_str(), true);
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#endif
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const char* pVal = getenv("CPPUNIT_TEST_NAME");
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CppUnit::TestRunner runner;
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if (pVal)
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{
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std::vector<std::string> test_names;
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boost::split(test_names, pVal, boost::is_any_of("\t "));
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CppUnit::Test* pTest = CppUnit::TestFactoryRegistry::getRegistry().makeTest();
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bool const added(addRecursiveTests(test_names, pTest, runner));
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if (!added)
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{
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std::cerr << "\nFatal error: CPPUNIT_TEST_NAME contains no valid tests\n";
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// coverity[leaked_storage] - `manager` leaked on purpose
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return false;
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}
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}
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else
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{
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runner.addTest(CppUnit::TestFactoryRegistry::getRegistry().makeTest());
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}
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runner.run(result);
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CppUnit::CompilerOutputter outputter(&collector, CppUnit::stdCErr());
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outputter.setNoWrap();
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outputter.write();
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success = collector.wasSuccessful();
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}
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for (size_t i = 0; i < protectors.size(); ++i)
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result.popProtector();
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return success;
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}
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virtual bool operator()() const override
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{
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return run();
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}
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};
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#ifdef UNX
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double get_time(timeval* time)
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{
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double nTime = static_cast<double>(time->tv_sec);
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nTime += static_cast<double>(time->tv_usec)/1000000.0;
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return nTime;
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}
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OString generateTestName(std::u16string_view rPath)
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{
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size_t nPathSep = rPath.rfind('/');
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std::u16string_view aTestName = rPath.substr(nPathSep+1);
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return OUStringToOString(aTestName, RTL_TEXTENCODING_UTF8);
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}
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void reportResourceUsage(std::u16string_view rPath)
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{
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OUString aFullPath = OUString::Concat(rPath) + ".resource.log";
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rusage resource_usage;
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getrusage(RUSAGE_SELF, &resource_usage);
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OString aPath = OUStringToOString(aFullPath, RTL_TEXTENCODING_UTF8);
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std::ofstream resource_file(aPath.getStr());
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resource_file << "Name = " << generateTestName(rPath) << std::endl;
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double nUserSpace = get_time(&resource_usage.ru_utime);
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double nKernelSpace = get_time(&resource_usage.ru_stime);
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resource_file << "UserSpace = " << nUserSpace << std::endl;
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resource_file << "KernelSpace = " << nKernelSpace << std::endl;
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}
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#else
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void reportResourceUsage([[maybe_unused]] const OUString& /*rPath*/)
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{
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}
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#endif
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}
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static bool main2()
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{
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bool ok = false;
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OUString path;
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#ifdef _WIN32
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//Disable Dr-Watson in order to crash simply without popup dialogs under
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//windows
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DWORD dwMode = SetErrorMode(SEM_NOGPFAULTERRORBOX);
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SetErrorMode(SEM_NOGPFAULTERRORBOX|dwMode);
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#ifdef _DEBUG // These functions are present only in the debugging runtime
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_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG|_CRTDBG_MODE_FILE);
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_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
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_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG|_CRTDBG_MODE_FILE);
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_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
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_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG|_CRTDBG_MODE_FILE);
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_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
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#endif
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#endif
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std::vector<CppUnit::Protector *> protectors;
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CppUnit::TestResult result;
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std::string args;
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std::string testlib;
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sal_uInt32 index = 0;
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while (index < osl_getCommandArgCount())
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{
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OUString arg = getArgument(index);
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if (arg.startsWith("-env:CPPUNITTESTTARGET=", &path))
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{
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++index;
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continue;
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}
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if (arg.startsWith("-env:"))
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{
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++index;
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continue; // ignore it here - will be read later
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}
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if ( arg != "--protector" )
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{
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if (testlib.empty())
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{
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testlib = OUStringToOString(arg, osl_getThreadTextEncoding()).getStr();
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args += testlib;
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}
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else
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{
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args += ' ';
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args += OUStringToOString(arg, osl_getThreadTextEncoding()).getStr();
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}
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++index;
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continue;
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}
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if (osl_getCommandArgCount() - index < 3) {
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usageFailure();
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}
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OUString lib(getArgument(index + 1));
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OUString sym(getArgument(index + 2));
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#ifndef DISABLE_DYNLOADING
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osl::Module mod(lib, SAL_LOADMODULE_GLOBAL);
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oslGenericFunction fn = mod.getFunctionSymbol(sym);
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mod.release();
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#else
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oslGenericFunction fn = 0;
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if (sym == "unoexceptionprotector")
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fn = (oslGenericFunction) unoexceptionprotector;
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else if (sym == "unobootstrapprotector")
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fn = (oslGenericFunction) unobootstrapprotector;
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else if (sym == "vclbootstrapprotector")
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fn = (oslGenericFunction) vclbootstrapprotector;
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else
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{
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std::cerr
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<< "Only unoexceptionprotector or unobootstrapprotector protectors allowed"
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<< std::endl;
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std::exit(EXIT_FAILURE);
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}
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#endif
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if (fn == nullptr) {
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std::cerr
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<< "Failure instantiating protector \"" << convertLazy(lib)
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<< "\", \"" << convertLazy(sym) << '"' << std::endl;
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std::exit(EXIT_FAILURE);
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}
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CppUnit::Protector *protector =
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(*reinterpret_cast< cppunittester::ProtectorFactory * >(fn))();
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if (protector != nullptr) {
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protectors.push_back(protector);
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}
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index+=3;
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}
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ProtectedFixtureFunctor tests(testlib, args, protectors, result);
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ok = tests.run();
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reportResourceUsage(path);
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return ok;
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}
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#if defined(_WIN32) && defined(_DEBUG)
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//Prints stack trace based on exception context record
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static void printStack( PCONTEXT ctx )
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{
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HANDLE process = GetCurrentProcess();
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HANDLE thread = GetCurrentThread();
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STACKFRAME64 stack {};
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stack.AddrPC.Mode = AddrModeFlat;
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stack.AddrStack.Mode = AddrModeFlat;
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stack.AddrFrame.Mode = AddrModeFlat;
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#ifdef _M_AMD64
|
|
stack.AddrPC.Offset = ctx->Rip;
|
|
stack.AddrStack.Offset = ctx->Rsp;
|
|
stack.AddrFrame.Offset = ctx->Rsp;
|
|
#else
|
|
stack.AddrPC.Offset = ctx->Eip;
|
|
stack.AddrStack.Offset = ctx->Esp;
|
|
stack.AddrFrame.Offset = ctx->Ebp;
|
|
#endif
|
|
|
|
DWORD symOptions = SymGetOptions();
|
|
symOptions |= SYMOPT_LOAD_LINES;
|
|
symOptions |= SYMOPT_FAIL_CRITICAL_ERRORS;
|
|
symOptions = SymSetOptions(symOptions);
|
|
|
|
SymInitialize( process, nullptr, TRUE ); //load symbols
|
|
|
|
IMAGEHLP_LINE64 line{};
|
|
line.SizeOfStruct = sizeof(line);
|
|
|
|
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
|
|
PSYMBOL_INFO pSymbol = reinterpret_cast<PSYMBOL_INFO>(buffer);
|
|
|
|
for (;;)
|
|
{
|
|
//get next call from stack
|
|
bool result = StackWalk64
|
|
(
|
|
#ifdef _M_AMD64
|
|
IMAGE_FILE_MACHINE_AMD64,
|
|
#else
|
|
IMAGE_FILE_MACHINE_I386,
|
|
#endif
|
|
process,
|
|
thread,
|
|
&stack,
|
|
ctx,
|
|
nullptr,
|
|
SymFunctionTableAccess64,
|
|
SymGetModuleBase64,
|
|
nullptr
|
|
);
|
|
|
|
if( !result )
|
|
break;
|
|
|
|
//get symbol name for address
|
|
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
pSymbol->MaxNameLen = MAX_SYM_NAME + 1;
|
|
if (SymFromAddr(process, stack.AddrPC.Offset, nullptr, pSymbol))
|
|
printf("\tat %s", pSymbol->Name);
|
|
else
|
|
printf("\tat unknown (Error in SymFromAddr=%#08lx)", GetLastError());
|
|
|
|
DWORD disp;
|
|
//try to get line
|
|
if (SymGetLineFromAddr64(process, stack.AddrPC.Offset, &disp, &line))
|
|
{
|
|
printf(" in %s: line: %lu:\n", line.FileName, line.LineNumber);
|
|
}
|
|
else
|
|
{
|
|
//failed to get line
|
|
printf(", address 0x%0I64X", stack.AddrPC.Offset);
|
|
HMODULE hModule = nullptr;
|
|
GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
|
|
reinterpret_cast<LPCTSTR>(stack.AddrPC.Offset), &hModule);
|
|
|
|
char sModule[256];
|
|
//at least print module name
|
|
if (hModule != nullptr)
|
|
GetModuleFileNameA(hModule, sModule, std::size(sModule));
|
|
|
|
printf (" in %s\n", sModule);
|
|
}
|
|
}
|
|
}
|
|
|
|
// The exception filter function:
|
|
static LONG WINAPI ExpFilter(EXCEPTION_POINTERS* ex)
|
|
{
|
|
// we only want this active on the Jenkins tinderboxes
|
|
printf("*** Exception 0x%lx occurred ***\n\n",ex->ExceptionRecord->ExceptionCode);
|
|
printStack(ex->ContextRecord);
|
|
return EXCEPTION_EXECUTE_HANDLER;
|
|
}
|
|
|
|
static void AbortSignalHandler(int signal)
|
|
{
|
|
if (signal == SIGABRT) {
|
|
std::unique_ptr<sal::BacktraceState> bs = sal::backtrace_get(50);
|
|
SAL_WARN("sal.cppunittester", "CAUGHT SIGABRT:\n" << sal::backtrace_to_string(bs.get()));
|
|
}
|
|
}
|
|
|
|
SAL_IMPLEMENT_MAIN()
|
|
{
|
|
// catch the kind of signal that is thrown when an assert fails, and log a stacktrace
|
|
signal(SIGABRT, AbortSignalHandler);
|
|
|
|
bool ok = false;
|
|
// This magic kind of Windows-specific exception handling has to be in its own function
|
|
// because it cannot be in a function that has objects with destructors.
|
|
__try
|
|
{
|
|
ok = main2();
|
|
}
|
|
__except (ExpFilter(GetExceptionInformation()))
|
|
{
|
|
}
|
|
return ok ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
#else
|
|
|
|
SAL_IMPLEMENT_MAIN()
|
|
{
|
|
bool ok = false;
|
|
try
|
|
{
|
|
ok = main2();
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
SAL_WARN("vcl.app", "Fatal exception: " << e.what());
|
|
}
|
|
return ok ? EXIT_SUCCESS : EXIT_FAILURE;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|