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35 /*! \libinternal \file
37 * Declares gmx::test::TestFileManager.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
41 * \ingroup module_testutils
43 /*! \libinternal \defgroup module_testutils Unit Testing Utilities (testutils)
45 * Common helper classes and functions for writing unit tests.
47 * To build unit tests using these utilities, libxml2 is required.
49 * \ingroup group_utilitymodules
51 #ifndef GMX_TESTUTILS_TESTFILEMANAGER_H
52 #define GMX_TESTUTILS_TESTFILEMANAGER_H
56 #include "gromacs/utility/common.h"
60 /*! \libinternal \brief
61 * Testing utilities namespace.
63 * This namespace contains utilities for writing unit tests, mostly from the
64 * \ref module_testutils module.
69 /*! \libinternal \brief
70 * Helper for tests that need output files.
72 * To be used as a member in a test fixture class, this class provides
73 * getTemporaryFilePath() method that returns a path for creating file names
74 * for temporary files. The returned path contains the name of the running
75 * test, making it unique across tests. Additionally, this class takes care of
76 * removing any temporary files (i.e., all paths returned by
77 * getTemporaryFilePath()) at test teardown (i.e., when the
78 * TestFileManager is destructed).
80 * Functions getInputFilePath() and getInputDataDirectory() provide means to
81 * access data files that are located in the test source directory.
82 * This is used to provide input files for the tests, and also to store test
83 * reference data persistently (see TestReferenceData).
86 * \ingroup module_testutils
91 /*! \brief Constructor */
93 /*! \brief Frees internal storage and deletes any accessed
96 * Any errors (e.g., missing files) encountered while deleting the
102 * Creates a name for a temporary file within a single unit test.
104 * \param[in] suffix Suffix to add to the file name (should contain an
105 * extension if one is desired).
106 * \returns Temporary file name that includes the test name and
109 * This method should only be called from within a Google Test test.
110 * Two calls with the same \p suffix return the same string within the
113 std::string getTemporaryFilePath(const char *suffix);
116 * Creates a file name for use within a single unit test.
118 * \param[in] suffix Suffix to add to the file name (should contain an
119 * extension if one is desired).
120 * \returns File name that includes the test name and
123 * This method should only be called from within a Google Test test.
124 * Two calls with the same \p suffix return the same string within the
126 * Intended to produce distinct names for files that may be stored in
127 * the same directory for multiple tests.
129 static std::string getTestSpecificFileName(const char *suffix);
132 * Returns the path to a test input file.
134 * \param[in] filename Relative path/filename to a test input file.
135 * \returns Path to \p filename under the test input data directory.
137 static std::string getInputFilePath(const char *filename);
140 * Returns the path to the test input directory.
142 * \returns Path to input data directory for the test executable.
144 static const char *getInputDataDirectory();
147 * Returns the path to the test output temporary directory.
149 * \returns Path to output temporary directory for the test executable.
151 static const char *getOutputTempDirectory();
154 * Sets the test input directory.
156 * \param[in] path Path from which test input data is looked up from.
158 * \p path must name an existing directory.
160 * This function is automatically called by unittest_main.cpp through
163 static void setInputDataDirectory(const char *path);
166 * Sets the test output temporary directory.
168 * \param[in] path Path at which test should write temporary files
170 * \p path must name an existing directory.
172 * This function is automatically called by unittest_main.cpp through
175 static void setOutputTempDirectory(const char *path);
180 PrivateImplPointer<Impl> impl_;