Mercurial > hg > orthanc
diff OrthancFramework/UnitTestsSources/LoggingTests.cpp @ 4044:d25f4c0fa160 framework
splitting code into OrthancFramework and OrthancServer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 10 Jun 2020 20:30:34 +0200 |
parents | UnitTestsSources/LoggingTests.cpp@27628b0f6ada |
children | 05b8fd21089c |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OrthancFramework/UnitTestsSources/LoggingTests.cpp Wed Jun 10 20:30:34 2020 +0200 @@ -0,0 +1,209 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2020 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * In addition, as a special exception, the copyright holders of this + * program give permission to link the code of its release with the + * OpenSSL project's "OpenSSL" library (or with modified versions of it + * that use the same license as the "OpenSSL" library), and distribute + * the linked executables. You must obey the GNU General Public License + * in all respects for all of the code used other than "OpenSSL". If you + * modify file(s) with this exception, you may extend this exception to + * your version of the file(s), but you are not obligated to do so. If + * you do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source files + * in the program, then also delete it here. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1 +# include <OrthancFramework.h> +#endif + +#include "PrecompiledHeadersUnitTests.h" +#include "gtest/gtest.h" +#include <boost/regex.hpp> +#include <sstream> + +#include "../Core/Logging.h" + +using namespace Orthanc::Logging; + +static std::stringstream testErrorStream; +void TestError(const char* message) +{ + testErrorStream << message; +} + +static std::stringstream testWarningStream; +void TestWarning(const char* message) +{ + testWarningStream << message; +} + +static std::stringstream testInfoStream; +void TestInfo(const char* message) +{ + testInfoStream << message; +} + +/** + Extracts the log line payload + + "E0423 16:55:43.001194 LoggingTests.cpp:102] Foo bar?\n" + --> + "Foo bar" + + If the log line cannot be matched, the function returns false. +*/ + +#define EOLSTRING "\n" + +static bool GetLogLinePayload(std::string& payload, + const std::string& logLine) +{ + const char* regexStr = "[A-Z][0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6} " + "[a-zA-Z\\.\\-_]+:[0-9]+\\] (.*)" EOLSTRING "$"; + + boost::regex regexObj(regexStr); + + //std::stringstream regexSStr; + //regexSStr << "E[0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6} " + // "[a-zA-Z\\.\\-_]+:[0-9]+\\](.*)\r\n$"; + //std::string regexStr = regexSStr.str(); + boost::regex pattern(regexStr); + boost::cmatch what; + if (regex_match(logLine.c_str(), what, regexObj)) + { + payload = what[1]; + return true; + } + else + { + return false; + } +} + + +namespace +{ + class LoggingMementoScope + { + public: + LoggingMementoScope() + { + } + + ~LoggingMementoScope() + { + Orthanc::Logging::Reset(); + } + }; + + + /** + * std::streambuf subclass used in FunctionCallingStream + **/ + template<typename T> + class FuncStreamBuf : public std::stringbuf + { + public: + FuncStreamBuf(T func) : func_(func) {} + + virtual int sync() + { + std::string text = this->str(); + const char* buf = text.c_str(); + func_(buf); + this->str(""); + return 0; + } + private: + T func_; + }; +} + + +TEST(FuncStreamBuf, BasicTest) +{ + LoggingMementoScope loggingConfiguration; + + EnableTraceLevel(true); + + typedef void(*LoggingFunctionFunc)(const char*); + + FuncStreamBuf<LoggingFunctionFunc> errorStreamBuf(TestError); + std::ostream errorStream(&errorStreamBuf); + + FuncStreamBuf<LoggingFunctionFunc> warningStreamBuf(TestWarning); + std::ostream warningStream(&warningStreamBuf); + + FuncStreamBuf<LoggingFunctionFunc> infoStreamBuf(TestInfo); + std::ostream infoStream(&infoStreamBuf); + + SetErrorWarnInfoLoggingStreams(errorStream, warningStream, infoStream); + + { + const char* text = "E is the set of all sets that do not contain themselves. Does E contain itself?"; + LOG(ERROR) << text; + std::string logLine = testErrorStream.str(); + testErrorStream.str(""); + testErrorStream.clear(); + std::string payload; + bool ok = GetLogLinePayload(payload, logLine); + ASSERT_TRUE(ok); + ASSERT_STREQ(payload.c_str(), text); + } + + // make sure loglines do not accumulate + { + const char* text = "some more nonsensical babblingiciously stupid gibberish"; + LOG(ERROR) << text; + std::string logLine = testErrorStream.str(); + testErrorStream.str(""); + testErrorStream.clear(); + std::string payload; + bool ok = GetLogLinePayload(payload, logLine); + ASSERT_TRUE(ok); + ASSERT_STREQ(payload.c_str(), text); + } + + { + const char* text = "Trougoudou 53535345345353"; + LOG(WARNING) << text; + std::string logLine = testWarningStream.str(); + testWarningStream.str(""); + testWarningStream.clear(); + std::string payload; + bool ok = GetLogLinePayload(payload, logLine); + ASSERT_TRUE(ok); + ASSERT_STREQ(payload.c_str(), text); + } + + { + const char* text = "Prout 111929"; + LOG(INFO) << text; + std::string logLine = testInfoStream.str(); + testInfoStream.str(""); + testInfoStream.clear(); + std::string payload; + bool ok = GetLogLinePayload(payload, logLine); + ASSERT_TRUE(ok); + ASSERT_STREQ(payload.c_str(), text); + } +}