src/testutils/xvgtest.cpp

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  35 /*! \internal \file
  36  * \brief
  37  * Implements routine to check the content of xvg files.
  38  *
  39  * \author David van der Spoel <david.vanderspoel@icm.uu.se>
  40  * \author Teemu Murtola <teemu.murtola@gmail.com>
  41  * \ingroup module_testutils
  42  */
  43 #include "gmxpre.h"
  44
  45 #include "xvgtest.h"
  46
  47 #include <cerrno>
  48 #include <cstdlib>
  49
  50 #include <vector>
  51
  52 #include "gromacs/utility/gmxassert.h"
  53 #include "gromacs/utility/stringutil.h"
  54 #include "gromacs/utility/textstream.h"
  55
  56 #include "testutils/refdata.h"
  57 #include "testutils/testasserts.h"
  58 #include "testutils/textblockmatchers.h"
  59
  60 namespace gmx
  61 {
  62 namespace test
  63 {
  64
  65 namespace
  66 {
  67
  68 class XvgMatcher : public ITextBlockMatcher
  69 {
  70     public:
  71         explicit XvgMatcher(const XvgMatchSettings &settings)
  72             : settings_(settings)
  73         {
  74         }
  75
  76         void checkStream(TextInputStream      *stream,
  77                          TestReferenceChecker *checker) override
  78         {
  79             checkXvgFile(stream, checker, settings_);
  80         }
  81
  82     private:
  83         XvgMatchSettings  settings_;
  84 };
  85
  86 //! Helper function to identify which @ lines in xvg files should be tested.
  87 bool isRelevantXvgCommand(const std::string &line)
  88 {
  89     return contains(line, " title ")
  90            || contains(line, " subtitle ")
  91            || contains(line, " label ")
  92            || contains(line, "@TYPE ")
  93            || contains(line, " legend \"");
  94 }
  95
  96 //! Helper function to check a single xvg value in a sequence.
  97 void checkXvgDataPoint(TestReferenceChecker *checker, const std::string &value)
  98 {
  99     checker->checkRealFromString(value, nullptr);
 100 }
 101
 102 }       // namespace
 103
 104 void checkXvgFile(TextInputStream        *input,
 105                   TestReferenceChecker   *checker,
 106                   const XvgMatchSettings &settings)
 107 {
 108     TestReferenceChecker legendChecker(checker->checkCompound("XvgLegend", "Legend"));
 109     TestReferenceChecker dataChecker(checker->checkCompound("XvgData", "Data"));
 110     dataChecker.setDefaultTolerance(settings.tolerance);
 111
 112     std::string legendText;
 113     int         dataRowCount = 0;
 114     std::string line;
 115     while (input->readLine(&line))
 116     {
 117         // Ignore comments, as they contain dynamic content, and very little of
 118         // that would be useful to test (and in particular, not with every
 119         // output file).
 120         if (startsWith(line, "#"))
 121         {
 122             continue;
 123         }
 124         if (startsWith(line, "@"))
 125         {
 126             if (isRelevantXvgCommand(line))
 127             {
 128                 legendText.append(stripString(line.substr(1)));
 129                 legendText.append("\n");
 130             }
 131             continue;
 132         }
 133         if (!settings.testData)
 134         {
 135             break;
 136         }
 137         const std::vector<std::string> columns = splitString(line);
 138         const std::string              id      = formatString("Row%d", dataRowCount);
 139         dataChecker.checkSequence(columns.begin(), columns.end(), id.c_str(),
 140                                   &checkXvgDataPoint);
 141         ++dataRowCount;
 142     }
 143     dataChecker.checkUnusedEntries();
 144     legendChecker.checkTextBlock(legendText, "XvgLegend");
 145 }
 146
 147 TextBlockMatcherPointer XvgMatch::createMatcher() const
 148 {
 149     return TextBlockMatcherPointer(new XvgMatcher(settings_));
 150 }
 151
 152 } // namespace test
 153 } // namespace gmx