src/testutils/stringtest.h

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  35 /*! \libinternal \file
  36  * \brief
  37  * Declares gmx::test::StringTestBase.
  38  *
  39  * \author Teemu Murtola <teemu.murtola@gmail.com>
  40  * \inlibraryapi
  41  * \ingroup module_testutils
  42  */
  43 #ifndef GMX_TESTUTILS_STRINGTEST_H
  44 #define GMX_TESTUTILS_STRINGTEST_H
  45
  46 #include <string>
  47
  48 #include <gtest/gtest.h>
  49
  50 #include "gromacs/utility/classhelpers.h"
  51
  52 namespace gmx
  53 {
  54
  55 namespace test
  56 {
  57
  58 class TestReferenceChecker;
  59
  60 /*! \libinternal \brief
  61  * Test fixture for tests that check string formatting.
  62  *
  63  * For development, tests that use this fixture as their base can be run with a
  64  * '-stdout' command-line option to print out the tested strings to stdout.
  65  * If this flag is not given, they check the strings using the XML reference
  66  * framework (see TestReferenceData).
  67  *
  68  * Tests that need simple checking of a string, or container of
  69  * strings, should consider the normal implementation in
  70  * TestReferenceChecker.
  71  *
  72  * \inlibraryapi
  73  * \ingroup module_testutils
  74  */
  75 class StringTestBase : public ::testing::Test
  76 {
  77 public:
  78     /*! \brief
  79      * Checks a block of text.
  80      *
  81      * This static method is provided for code that does not derive from
  82      * StringTestBase to use the same functionality, e.g., implementing the
  83      * `-stdout` option.
  84      */
  85     static void checkText(TestReferenceChecker* checker, const std::string& text, const char* id);
  86
  87     StringTestBase();
  88     ~StringTestBase() override;
  89
  90     /*! \brief
  91      * Returns the root checker for this test's reference data.
  92      *
  93      * Can be used to perform custom checks against reference data (e.g.,
  94      * if the test needs to check some other values than plain strings.
  95      */
  96     TestReferenceChecker& checker();
  97
  98     /*! \brief
  99      * Checks a string.
 100      *
 101      * \param[in] text  String to check.
 102      * \param[in] id    Unique (within a single test) id for the string.
 103      */
 104     void checkText(const std::string& text, const char* id);
 105     /*! \brief
 106      * Checks contents of a file as a single string.
 107      *
 108      * \param[in] filename  Name of the file to check.
 109      * \param[in] id        Unique (within a single test) id for the string.
 110      *
 111      * Provided for convenience.  Reads the contents of \p filename into a
 112      * single string and calls checkText().
 113      */
 114     void checkFileContents(const std::string& filename, const char* id);
 115
 116     /*! \brief
 117      * Tests that contents of two files are equal.
 118      *
 119      * \param[in] refFilename   File with the expected contents.
 120      * \param[in] testFilename  File with the contents to be tested.
 121      */
 122     void testFilesEqual(const std::string& refFilename, const std::string& testFilename);
 123
 124 private:
 125     class Impl;
 126
 127     PrivateImplPointer<Impl> impl_;
 128 };
 129
 130 } // namespace test
 131 } // namespace gmx
 132
 133 #endif