src/testutils/testoptions.cpp

   1 /*
   2  * This file is part of the GROMACS molecular simulation package.
   3  *
   4  * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
   5  * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
   6  * and including many others, as listed in the AUTHORS file in the
   7  * top-level source directory and at http://www.gromacs.org.
   8  *
   9  * GROMACS is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1
  12  * of the License, or (at your option) any later version.
  13  *
  14  * GROMACS is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with GROMACS; if not, see
  21  * http://www.gnu.org/licenses, or write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
  23  *
  24  * If you want to redistribute modifications to GROMACS, please
  25  * consider that scientific software is very special. Version
  26  * control is crucial - bugs must be traceable. We will be happy to
  27  * consider code for inclusion in the official distribution, but
  28  * derived work must not be called official GROMACS. Details are found
  29  * in the README & COPYING files - if they are missing, get the
  30  * official version at http://www.gromacs.org.
  31  *
  32  * To help us fund GROMACS development, we humbly ask that you cite
  33  * the research papers on the package. Check out http://www.gromacs.org.
  34  */
  35 /*! \internal \file
  36  * \brief
  37  * Implements functions in testoptions.h.
  38  *
  39  * \author Teemu Murtola <teemu.murtola@gmail.com>
  40  * \ingroup module_testutils
  41  */
  42 #include "testoptions.h"
  43
  44 #include <cstdio>
  45 #include <cstdlib>
  46
  47 #include <list>
  48
  49 #include <gmock/gmock.h>
  50
  51 #include "thread_mpi/mutex.h"
  52
  53 #include "gromacs/commandline/cmdlinehelpcontext.h"
  54 #include "gromacs/commandline/cmdlinehelpwriter.h"
  55 #include "gromacs/commandline/cmdlineinit.h"
  56 #include "gromacs/commandline/cmdlineparser.h"
  57 #include "gromacs/options/basicoptions.h"
  58 #include "gromacs/options/options.h"
  59 #include "gromacs/utility/common.h"
  60 #include "gromacs/utility/errorcodes.h"
  61 #include "gromacs/utility/exceptions.h"
  62 #include "gromacs/utility/file.h"
  63 #include "gromacs/utility/programcontext.h"
  64
  65 #include "refdata.h"
  66 #include "testfilemanager.h"
  67 #include "mpi-printer.h"
  68
  69 namespace gmx
  70 {
  71 namespace test
  72 {
  73
  74 namespace
  75 {
  76
  77 /*! \brief
  78  * Singleton registry for test options added with #GMX_TEST_OPTIONS.
  79  *
  80  * \ingroup module_testutils
  81  */
  82 class TestOptionsRegistry
  83 {
  84     public:
  85         //! Returns the singleton instance of this class.
  86         static TestOptionsRegistry &getInstance()
  87         {
  88             static TestOptionsRegistry singleton;
  89             return singleton;
  90         }
  91
  92         //! Adds a provider into the registry.
  93         void add(const char * /*name*/, TestOptionsProvider *provider)
  94         {
  95             tMPI::lock_guard<tMPI::mutex> lock(listMutex_);
  96             providerList_.push_back(provider);
  97         }
  98
  99         //! Initializes the options from all the provides.
 100         void initOptions(Options *options);
 101
 102     private:
 103         TestOptionsRegistry() {}
 104
 105         typedef std::list<TestOptionsProvider *> ProviderList;
 106
 107         tMPI::mutex             listMutex_;
 108         ProviderList            providerList_;
 109
 110         GMX_DISALLOW_COPY_AND_ASSIGN(TestOptionsRegistry);
 111 };
 112
 113 void TestOptionsRegistry::initOptions(Options *options)
 114 {
 115     // TODO: Have some deterministic order for the options; now it depends on
 116     // the order in which the global initializers are run.
 117     tMPI::lock_guard<tMPI::mutex> lock(listMutex_);
 118     ProviderList::const_iterator  i;
 119     for (i = providerList_.begin(); i != providerList_.end(); ++i)
 120     {
 121         (*i)->initOptions(options);
 122     }
 123 }
 124
 125 //! Prints the command-line options for the unit test binary.
 126 void printHelp(const Options &options)
 127 {
 128     std::fprintf(stderr,
 129                  "\nYou can use the following GROMACS-specific command-line flags\n"
 130                  "to control the behavior of the tests:\n\n");
 131     CommandLineHelpContext context(&File::standardError(),
 132                                    eHelpOutputFormat_Console, NULL);
 133     context.setModuleDisplayName(getProgramContext().displayName());
 134     CommandLineHelpWriter(options).writeHelp(context);
 135 }
 136
 137 }       // namespace
 138
 139 void registerTestOptions(const char *name, TestOptionsProvider *provider)
 140 {
 141     TestOptionsRegistry::getInstance().add(name, provider);
 142 }
 143
 144 void initTestUtils(const char *dataPath, const char *tempPath, int *argc, char ***argv)
 145 {
 146     gmx::initForCommandLine(argc, argv);
 147     try
 148     {
 149         ::testing::InitGoogleMock(argc, *argv);
 150         if (dataPath != NULL)
 151         {
 152             TestFileManager::setInputDataDirectory(dataPath);
 153         }
 154         if (tempPath != NULL)
 155         {
 156             TestFileManager::setGlobalOutputTempDirectory(tempPath);
 157         }
 158         bool    bHelp = false;
 159         Options options(NULL, NULL);
 160         // TODO: A single option that accepts multiple names would be nicer.
 161         // Also, we recognize -help, but GTest doesn't, which leads to a bit
 162         // unintuitive behavior.
 163         options.addOption(BooleanOption("h").store(&bHelp)
 164                               .description("Print GROMACS-specific unit test options"));
 165         options.addOption(BooleanOption("help").store(&bHelp).hidden());
 166         options.addOption(BooleanOption("?").store(&bHelp).hidden());
 167         // TODO: Consider removing this option from test binaries that do not need it.
 168         initReferenceData(&options);
 169         TestOptionsRegistry::getInstance().initOptions(&options);
 170         try
 171         {
 172             CommandLineParser(&options).parse(argc, *argv);
 173             options.finish();
 174         }
 175         catch (const UserInputError &)
 176         {
 177             printHelp(options);
 178             throw;
 179         }
 180         if (bHelp)
 181         {
 182             printHelp(options);
 183         }
 184         setFatalErrorHandler(NULL);
 185         initMPIOutput();
 186     }
 187     catch (const std::exception &ex)
 188     {
 189         printFatalErrorMessage(stderr, ex);
 190         std::exit(processExceptionAtExit(ex));
 191     }
 192 }
 193
 194 void finalizeTestUtils()
 195 {
 196     gmx::finalizeForCommandLine();
 197 }
 198
 199 } // namespace test
 200 } // namespace gmx