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38 * Implements functions in testinit.h.
40 * \author Teemu Murtola <teemu.murtola@gmail.com>
41 * \ingroup module_testutils
52 #include <gmock/gmock.h>
54 #include "buildinfo.h"
55 #include "gromacs/commandline/cmdlinehelpcontext.h"
56 #include "gromacs/commandline/cmdlinehelpwriter.h"
57 #include "gromacs/commandline/cmdlineinit.h"
58 #include "gromacs/commandline/cmdlineparser.h"
59 #include "gromacs/commandline/cmdlineprogramcontext.h"
60 #include "gromacs/math/utilities.h"
61 #include "gromacs/options/basicoptions.h"
62 #include "gromacs/options/options.h"
63 #include "gromacs/utility/basenetwork.h"
64 #include "gromacs/utility/exceptions.h"
65 #include "gromacs/utility/filestream.h"
66 #include "gromacs/utility/futil.h"
67 #include "gromacs/utility/path.h"
68 #include "gromacs/utility/programcontext.h"
69 #include "gromacs/utility/textwriter.h"
71 #include "testutils/mpi_printer.h"
72 #include "testutils/refdata.h"
73 #include "testutils/testfilemanager.h"
74 #include "testutils/testoptions.h"
85 * Custom program context for test binaries.
87 * This context overrides the installationPrefix() implementation to always
88 * load data files from the source directory, as the test binaries are never
89 * installed. It also support overriding the directory through a command-line
90 * option to the test binary.
92 * \ingroup module_testutils
94 class TestProgramContext : public IProgramContext
98 * Initializes a test program context.
100 * \param[in] context Current \Gromacs program context.
102 explicit TestProgramContext(const IProgramContext& context) :
104 dataPath_(CMAKE_SOURCE_DIR)
109 * Sets the source directory root from which to look for data files.
111 void overrideSourceRoot(const std::string& sourceRoot) { dataPath_ = sourceRoot; }
113 const char* programName() const override { return context_.programName(); }
114 const char* displayName() const override { return context_.displayName(); }
115 const char* fullBinaryPath() const override { return context_.fullBinaryPath(); }
116 InstallationPrefixInfo installationPrefix() const override
118 return InstallationPrefixInfo(dataPath_.c_str(), true);
120 const char* commandLine() const override { return context_.commandLine(); }
123 const IProgramContext& context_;
124 std::string dataPath_;
127 //! Prints the command-line options for the unit test binary.
128 void printHelp(const Options& options)
130 const std::string& program = getProgramContext().displayName();
132 "\nYou can use the following GROMACS-specific command-line flags\n"
133 "to control the behavior of the tests:\n\n");
134 TextWriter writer(&TextOutputFile::standardError());
135 CommandLineHelpContext context(&writer, eHelpOutputFormat_Console, nullptr, program);
136 context.setModuleDisplayName(program);
137 CommandLineHelpWriter(options).writeHelp(context);
140 //! Global program context instance for test binaries.
141 // Never releases ownership.
142 std::unique_ptr<TestProgramContext> g_testContext;
147 void initTestUtils(const char* dataPath,
148 const char* tempPath,
150 bool usesHardwareDetection,
154 #if !defined NDEBUG \
155 && !((defined __clang__ || (defined(__GNUC__) && !defined(__ICC) && __GNUC__ == 7)) \
156 && defined __OPTIMIZE__)
157 gmx_feenableexcept();
159 const CommandLineProgramContext& context = initForCommandLine(argc, argv);
162 if (!usesMpi && gmx_node_num() > 1)
164 // We cannot continue, since some tests might be using
165 // MPI_COMM_WORLD, which could deadlock if we would only
166 // continue with the master rank here.
167 if (gmx_node_rank() == 0)
170 "NOTE: You are running %s on %d MPI ranks, "
171 "but it is does not contain MPI-enabled tests. "
172 "The test will now exit.\n",
173 context.programName(), gmx_node_num());
175 finalizeForCommandLine();
178 if (usesHardwareDetection)
180 callAddGlobalTestEnvironment();
182 g_testContext = std::make_unique<TestProgramContext>(context);
183 setProgramContext(g_testContext.get());
184 // Use the default finder that does not respect GMXLIB, since the tests
185 // generally can only get confused by a different set of data files.
186 setLibraryFileFinder(nullptr);
187 ::testing::InitGoogleMock(argc, *argv);
188 if (dataPath != nullptr)
190 TestFileManager::setInputDataDirectory(Path::join(CMAKE_SOURCE_DIR, dataPath));
192 if (tempPath != nullptr)
194 TestFileManager::setGlobalOutputTempDirectory(tempPath);
196 TestFileManager::setTestSimulationDatabaseDirectory(GMX_TESTSIMULATIONDATABASE_DIR);
199 std::string sourceRoot;
201 // TODO: A single option that accepts multiple names would be nicer.
202 // Also, we recognize -help, but GTest doesn't, which leads to a bit
203 // unintuitive behavior.
204 options.addOption(BooleanOption("h").store(&bHelp).description(
205 "Print GROMACS-specific unit test options"));
206 options.addOption(BooleanOption("help").store(&bHelp).hidden());
207 options.addOption(BooleanOption("?").store(&bHelp).hidden());
208 // TODO: Make this into a FileNameOption (or a DirectoryNameOption).
210 StringOption("src-root").store(&sourceRoot).description("Override source tree location (for data files)"));
211 // The potential MPI test event listener must be initialized first,
212 // because it should appear in the start of the event listener list,
213 // before other event listeners that may generate test failures
214 // (currently, such an event listener is used by the reference data
220 // TODO: Consider removing this option from test binaries that do not need it.
221 initReferenceData(&options);
222 initTestOptions(&options);
225 CommandLineParser(&options).parse(argc, *argv);
228 catch (const UserInputError&)
237 if (!sourceRoot.empty())
239 g_testContext->overrideSourceRoot(sourceRoot);
240 TestFileManager::setInputDataDirectory(Path::join(sourceRoot, dataPath));
243 catch (const std::exception& ex)
245 printFatalErrorMessage(stderr, ex);
246 int retcode = processExceptionAtExitForCommandLine(ex);
247 // TODO: It could be nice to destroy things in proper order such that
248 // g_testContext would not contain hanging references at this point,
249 // but in practice that should not matter.
250 g_testContext.reset();
255 void finalizeTestUtils()
257 setProgramContext(nullptr);
258 g_testContext.reset();
259 finalizeForCommandLine();