src/testutils/stringtest.h

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