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37 * Implements gmx::test::TestFileManager.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_testutils
44 #include "testfilemanager.h"
52 #include <gtest/gtest.h>
54 #include "gromacs/options/basicoptions.h"
55 #include "gromacs/options/ioptionscontainer.h"
56 #include "gromacs/utility/gmxassert.h"
57 #include "gromacs/utility/path.h"
59 #include "testutils/testoptions.h"
66 /********************************************************************
67 * TestFileManager::Impl
71 * Private implementation class for TestFileManager.
73 * \ingroup module_testutils
75 class TestFileManager::Impl
78 //! Global test input data path set with setDataInputDirectory().
79 static std::string s_inputDirectory;
81 //! Global path to simulation input database set with setTestSimulationDataBaseDirectory().
82 static std::string s_simulationDatabaseDirectory;
84 //! Global temporary output directory for tests, set with setGlobalOutputTempDirectory().
85 static const char* s_globalOutputTempDirectory;
87 //! Container type for names of temporary files.
88 typedef std::set<std::string> FileNameList;
90 /*! \brief Constructor
92 * \param path Value for the outputTempDirectory, typically
93 * set by default from s_globalOutputTempDirectory */
94 explicit Impl(const char* path) : outputTempDirectory_(path)
96 GMX_RELEASE_ASSERT(Directory::exists(outputTempDirectory_),
97 "Directory for tests' temporary files does not exist");
101 * Try to remove all temporary files.
103 * Does not throw; errors (e.g., missing files) are silently ignored.
107 //! List of unique paths returned by getTemporaryFilePath().
110 /*! \brief Temporary output directory local to the current
111 * test, set by a test with setOutputTempDirectory() if the
112 * global default is inappropriate. */
113 std::string outputTempDirectory_;
116 std::string TestFileManager::Impl::s_inputDirectory;
117 std::string TestFileManager::Impl::s_simulationDatabaseDirectory;
118 const char* TestFileManager::Impl::s_globalOutputTempDirectory = nullptr;
119 /** Controls whether TestFileManager should delete temporary files
120 after the test finishes. */
121 static bool g_bDeleteFilesAfterTest = true;
124 GMX_TEST_OPTIONS(TestFileManagerOptions, options)
127 BooleanOption("delete-temporary-files")
128 .store(&g_bDeleteFilesAfterTest)
130 "At the end of each test case, delete temporary and output files"));
134 void TestFileManager::Impl::removeFiles()
136 FileNameList::const_iterator i;
137 for (i = files_.begin(); i != files_.end(); ++i)
139 std::remove(i->c_str());
144 /********************************************************************
148 TestFileManager::TestFileManager() : impl_(new Impl(Impl::s_globalOutputTempDirectory)) {}
150 TestFileManager::~TestFileManager()
152 if (g_bDeleteFilesAfterTest)
154 impl_->removeFiles();
158 std::string TestFileManager::getTemporaryFilePath(const char* suffix)
160 /* Configure a temporary directory from CMake, so that temporary
161 * output from a test goes to a location relevant to that
162 * test. Currently, files whose names are returned by this method
163 * get cleaned up (by default) at the end of all tests.
165 std::string filename = Path::join(getOutputTempDirectory(), getTestSpecificFileName(suffix));
166 impl_->files_.insert(filename);
170 std::string TestFileManager::getTemporaryFilePath(const std::string& suffix)
172 return getTemporaryFilePath(suffix.c_str());
175 std::string TestFileManager::getTestSpecificFileNameRoot()
177 const ::testing::TestInfo* test_info = ::testing::UnitTest::GetInstance()->current_test_info();
178 std::string filenameRoot;
181 filenameRoot = std::string(test_info->test_case_name()) + "_" + test_info->name();
185 const ::testing::TestCase* test_case_info =
186 ::testing::UnitTest::GetInstance()->current_test_case();
187 filenameRoot = std::string(test_case_info->name());
189 std::replace(filenameRoot.begin(), filenameRoot.end(), '/', '_');
193 std::string TestFileManager::getTestSpecificFileName(const char* suffix)
195 std::string filename = getTestSpecificFileNameRoot();
196 if (suffix[0] != '.')
198 filename.append("_");
200 filename.append(suffix);
204 std::string TestFileManager::getInputFilePath(const char* filename)
206 // Check if file is present in local directory.
207 if (File::exists(Path::join(getInputDataDirectory(), filename), File::returnFalseOnError))
209 return Path::join(getInputDataDirectory(), filename);
211 else if (File::exists(Path::join(getTestSimulationDatabaseDirectory(), filename), File::returnFalseOnError))
213 // Assume file is in global directory for simulation input files.
214 return Path::join(getTestSimulationDatabaseDirectory(), filename);
218 // Assume file is present locally without full name (e.g. extension).
219 return Path::join(getInputDataDirectory(), filename);
223 std::string TestFileManager::getInputFilePath(const std::string& filename)
225 return getInputFilePath(filename.c_str());
228 const char* TestFileManager::getInputDataDirectory()
230 GMX_RELEASE_ASSERT(!Impl::s_inputDirectory.empty(), "Path for test input files is not set");
231 return Impl::s_inputDirectory.c_str();
234 const char* TestFileManager::getGlobalOutputTempDirectory()
236 GMX_RELEASE_ASSERT(Impl::s_globalOutputTempDirectory != nullptr,
237 "Global path for temporary output files from tests is not set");
238 return Impl::s_globalOutputTempDirectory;
241 const char* TestFileManager::getOutputTempDirectory() const
243 return impl_->outputTempDirectory_.c_str();
246 const char* TestFileManager::getTestSimulationDatabaseDirectory()
248 GMX_RELEASE_ASSERT(!Impl::s_simulationDatabaseDirectory.empty(),
249 "Path for simulation input database directory is not set");
250 return Impl::s_simulationDatabaseDirectory.c_str();
253 void TestFileManager::setInputDataDirectory(const std::string& path)
255 // There is no need to protect this by a mutex, as this is called in early
256 // initialization of the tests.
257 GMX_RELEASE_ASSERT(Directory::exists(path), "Test data directory does not exist");
258 Impl::s_inputDirectory = path;
261 void TestFileManager::setTestSimulationDatabaseDirectory(const std::string& path)
263 // There is no need to protect this by a mutex, as this is called in early
264 // initialization of the tests.
265 GMX_RELEASE_ASSERT(Directory::exists(path), "Simulation database directory does not exist");
266 Impl::s_simulationDatabaseDirectory = path;
269 void TestFileManager::setGlobalOutputTempDirectory(const char* path)
271 // There is no need to protect this by a mutex, as this is called in early
272 // initialization of the tests.
273 GMX_RELEASE_ASSERT(Directory::exists(path),
274 "Directory for tests' temporary files does not exist");
275 Impl::s_globalOutputTempDirectory = path;
278 void TestFileManager::setOutputTempDirectory(const std::string& path)
280 // There could be a need to protect this with a mutex, since it is
281 // intended to be used in test fixtures, not just during setup.
282 GMX_RELEASE_ASSERT(Directory::exists(path),
283 "Directory for tests' temporary files does not exist");
284 impl_->outputTempDirectory_ = path;