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37 * Implements functions in testinit.h.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_testutils
51 #include <boost/scoped_ptr.hpp>
52 #include <gmock/gmock.h>
54 #include "gromacs/commandline/cmdlinehelpcontext.h"
55 #include "gromacs/commandline/cmdlinehelpwriter.h"
56 #include "gromacs/commandline/cmdlineinit.h"
57 #include "gromacs/commandline/cmdlineparser.h"
58 #include "gromacs/commandline/cmdlineprogramcontext.h"
59 #include "gromacs/math/utilities.h"
60 #include "gromacs/options/basicoptions.h"
61 #include "gromacs/options/options.h"
62 #include "gromacs/utility/errorcodes.h"
63 #include "gromacs/utility/exceptions.h"
64 #include "gromacs/utility/file.h"
65 #include "gromacs/utility/path.h"
66 #include "gromacs/utility/programcontext.h"
68 #include "testutils/mpi-printer.h"
69 #include "testutils/refdata.h"
70 #include "testutils/testfilemanager.h"
71 #include "testutils/testoptions.h"
82 * Custom program context for test binaries.
84 * This context overrides the defaultLibraryDataPath() implementation to always
85 * load data files from the source directory, as the test binaries are never
86 * installed. It also support overriding the directory through a command-line
87 * option to the test binary.
89 * \ingroup module_testutils
91 class TestProgramContext : public ProgramContextInterface
95 * Initializes a test program context.
97 * \param[in] context Current \Gromacs program context.
99 explicit TestProgramContext(const ProgramContextInterface &context)
101 dataPath_(Path::join(CMAKE_SOURCE_DIR, "share/top"))
106 * Sets the source directory root from which to look for data files.
108 void overrideSourceRoot(const std::string &sourceRoot)
110 dataPath_ = Path::join(sourceRoot, "share/top");
113 virtual const char *programName() const
115 return context_.programName();
117 virtual const char *displayName() const
119 return context_.displayName();
121 virtual const char *fullBinaryPath() const
123 return context_.fullBinaryPath();
125 virtual const char *defaultLibraryDataPath() const
127 return dataPath_.c_str();
129 virtual const char *commandLine() const
131 return context_.commandLine();
135 const ProgramContextInterface &context_;
136 std::string dataPath_;
139 //! Prints the command-line options for the unit test binary.
140 void printHelp(const Options &options)
143 "\nYou can use the following GROMACS-specific command-line flags\n"
144 "to control the behavior of the tests:\n\n");
145 CommandLineHelpContext context(&File::standardError(),
146 eHelpOutputFormat_Console, NULL);
147 context.setModuleDisplayName(getProgramContext().displayName());
148 CommandLineHelpWriter(options).writeHelp(context);
151 //! Global program context instance for test binaries.
152 boost::scoped_ptr<TestProgramContext> g_testContext;
157 void initTestUtils(const char *dataPath, const char *tempPath, int *argc, char ***argv)
160 gmx_feenableexcept();
162 const CommandLineProgramContext &context = initForCommandLine(argc, argv);
165 g_testContext.reset(new TestProgramContext(context));
166 setProgramContext(g_testContext.get());
167 ::testing::InitGoogleMock(argc, *argv);
168 if (dataPath != NULL)
170 TestFileManager::setInputDataDirectory(
171 Path::join(CMAKE_SOURCE_DIR, dataPath));
173 if (tempPath != NULL)
175 TestFileManager::setGlobalOutputTempDirectory(tempPath);
178 std::string sourceRoot;
179 Options options(NULL, NULL);
180 // TODO: A single option that accepts multiple names would be nicer.
181 // Also, we recognize -help, but GTest doesn't, which leads to a bit
182 // unintuitive behavior.
183 options.addOption(BooleanOption("h").store(&bHelp)
184 .description("Print GROMACS-specific unit test options"));
185 options.addOption(BooleanOption("help").store(&bHelp).hidden());
186 options.addOption(BooleanOption("?").store(&bHelp).hidden());
187 // TODO: Make this into a FileNameOption (or a DirectoryNameOption).
188 options.addOption(StringOption("src-root").store(&sourceRoot)
189 .description("Override source tree location (for data files)"));
190 // TODO: Consider removing this option from test binaries that do not need it.
191 initReferenceData(&options);
192 initTestOptions(&options);
195 CommandLineParser(&options).parse(argc, *argv);
198 catch (const UserInputError &)
207 if (!sourceRoot.empty())
209 g_testContext->overrideSourceRoot(sourceRoot);
210 TestFileManager::setInputDataDirectory(
211 Path::join(sourceRoot, dataPath));
213 setFatalErrorHandler(NULL);
216 catch (const std::exception &ex)
218 printFatalErrorMessage(stderr, ex);
219 int retcode = processExceptionAtExitForCommandLine(ex);
220 // TODO: It could be nice to destroy things in proper order such that
221 // g_testContext would not contain hanging references at this point,
222 // but in practice that should not matter.
223 g_testContext.reset();
228 void finalizeTestUtils()
230 setProgramContext(NULL);
231 g_testContext.reset();
232 finalizeForCommandLine();