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) : settings_(settings) {}
  72
  73     void checkStream(TextInputStream* stream, TestReferenceChecker* checker) override
  74     {
  75         checkXvgFile(stream, checker, settings_);
  76     }
  77
  78 private:
  79     XvgMatchSettings settings_;
  80 };
  81
  82 //! Helper function to identify which @ lines in xvg files should be tested.
  83 bool isRelevantXvgCommand(const std::string& line)
  84 {
  85     return contains(line, " title ") || contains(line, " subtitle ") || contains(line, " label ")
  86            || contains(line, "@TYPE ") || contains(line, " legend \"");
  87 }
  88
  89 //! Helper function to check a single xvg value in a sequence.
  90 void checkXvgDataPoint(TestReferenceChecker* checker, const std::string& value)
  91 {
  92     checker->checkRealFromString(value, nullptr);
  93 }
  94
  95 } // namespace
  96
  97 void checkXvgFile(TextInputStream* input, TestReferenceChecker* checker, const XvgMatchSettings& settings)
  98 {
  99     TestReferenceChecker legendChecker(checker->checkCompound("XvgLegend", "Legend"));
 100     TestReferenceChecker dataChecker(checker->checkCompound("XvgData", "Data"));
 101     dataChecker.setDefaultTolerance(settings.tolerance);
 102
 103     std::string legendText;
 104     int         dataRowCount = 0;
 105     std::string line;
 106     while (input->readLine(&line))
 107     {
 108         // Ignore comments, as they contain dynamic content, and very little of
 109         // that would be useful to test (and in particular, not with every
 110         // output file).
 111         if (startsWith(line, "#"))
 112         {
 113             continue;
 114         }
 115         if (startsWith(line, "@"))
 116         {
 117             if (isRelevantXvgCommand(line))
 118             {
 119                 legendText.append(stripString(line.substr(1)));
 120                 legendText.append("\n");
 121             }
 122             continue;
 123         }
 124         if (!settings.testData)
 125         {
 126             break;
 127         }
 128         const std::vector<std::string> columns = splitString(line);
 129         const std::string              id      = formatString("Row%d", dataRowCount);
 130         dataChecker.checkSequence(columns.begin(), columns.end(), id.c_str(), &checkXvgDataPoint);
 131         ++dataRowCount;
 132     }
 133     dataChecker.checkUnusedEntries();
 134     legendChecker.checkTextBlock(legendText, "XvgLegend");
 135 }
 136
 137 TextBlockMatcherPointer XvgMatch::createMatcher() const
 138 {
 139     return TextBlockMatcherPointer(new XvgMatcher(settings_));
 140 }
 141
 142 } // namespace test
 143 } // namespace gmx