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#include <Data/DataSeriesUtils.h>
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#include <QObject>
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#include <QtTest>
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namespace {
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/// Path for resources
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const auto TESTS_RESOURCES_PATH
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= QFileInfo{QString{CORE_TESTS_RESOURCES_DIR}, "TestDataSeriesUtils"}.absoluteFilePath();
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QString inputFilePath(const QString &inputFileName)
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{
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return QFileInfo{TESTS_RESOURCES_PATH, inputFileName}.absoluteFilePath();
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}
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} // namespace
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class TestDataSeriesUtils : public QObject {
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Q_OBJECT
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private slots:
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/// Tests @sa DataSeriesUtils::thresholds() method
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void testThresholds_data();
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void testThresholds();
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/// Tests @sa DataSeriesUtils::fillDataHoles() method
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void testFillDataHoles_data();
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void testFillDataHoles();
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};
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void TestDataSeriesUtils::testFillDataHoles_data()
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{
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QTest::addColumn<std::vector<double> >("xAxisData");
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QTest::addColumn<std::vector<double> >("valuesData");
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QTest::addColumn<double>("resolution");
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QTest::addColumn<double>("fillValue");
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QTest::addColumn<double>("minBound");
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QTest::addColumn<double>("maxBound");
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QTest::addColumn<std::vector<double> >(
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"expectedXAxisData"); // expected x-axis data after filling holes
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QTest::addColumn<std::vector<double> >(
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"expectedValuesData"); // expected values data after filling holes
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auto nan = std::numeric_limits<double>::quiet_NaN();
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QTest::newRow("fillDataHoles (basic case)")
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<< std::vector<double>{0., 1., 5., 7., 14.} << std::vector<double>{0., 1., 2., 3., 4.} << 2.
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<< nan << nan << nan << std::vector<double>{0., 1., 3., 5., 7., 9., 11., 13., 14.}
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<< std::vector<double>{0., 1., nan, 2., 3., nan, nan, nan, 4.};
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QTest::newRow("fillDataHoles (change nb components)")
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<< std::vector<double>{0., 1., 5., 7., 14.}
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<< std::vector<double>{0., 1., 2., 3., 4., 5., 6., 7., 8., 9.} << 2. << nan << nan << nan
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<< std::vector<double>{0., 1., 3., 5., 7., 9., 11., 13., 14.}
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<< std::vector<double>{0., 1., 2., 3., nan, nan, 4., 5., 6.,
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7., nan, nan, nan, nan, nan, nan, 8., 9.};
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QTest::newRow("fillDataHoles (change resolution)")
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<< std::vector<double>{0., 1., 5., 7., 14.} << std::vector<double>{0., 1., 2., 3., 4.}
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<< 1.5 << nan << nan << nan
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<< std::vector<double>{0., 1., 2.5, 4., 5., 6.5, 7., 8.5, 10., 11.5, 13., 14.}
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<< std::vector<double>{0., 1., nan, nan, 2., nan, 3., nan, nan, nan, nan, 4.};
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QTest::newRow("fillDataHoles (with no data (no changes made))")
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<< std::vector<double>{} << std::vector<double>{} << 2. << nan << nan << nan
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<< std::vector<double>{} << std::vector<double>{};
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QTest::newRow("fillDataHoles (with no resolution (no changes made))")
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<< std::vector<double>{0., 1., 5., 7., 14.} << std::vector<double>{0., 1., 2., 3., 4.} << 0.
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<< nan << nan << nan << std::vector<double>{0., 1., 5., 7., 14.}
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<< std::vector<double>{0., 1., 2., 3., 4.};
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QTest::newRow("fillDataHoles (change fill value)")
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<< std::vector<double>{0., 1., 5., 7., 14.} << std::vector<double>{0., 1., 2., 3., 4.} << 2.
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<< -1. << nan << nan << std::vector<double>{0., 1., 3., 5., 7., 9., 11., 13., 14.}
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<< std::vector<double>{0., 1., -1., 2., 3., -1., -1., -1., 4.};
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QTest::newRow("fillDataHoles (add data holes to the beginning)")
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<< std::vector<double>{5., 7., 9., 11., 13.} << std::vector<double>{0., 1., 2., 3., 4.}
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<< 2. << nan << 0. << nan << std::vector<double>{1., 3., 5., 7., 9., 11., 13.}
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<< std::vector<double>{nan, nan, 0., 1., 2., 3., 4.};
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QTest::newRow("fillDataHoles (add data holes to the end)")
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<< std::vector<double>{5., 7., 9., 11., 13.} << std::vector<double>{0., 1., 2., 3., 4.}
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<< 2. << nan << nan << 21. << std::vector<double>{5., 7., 9., 11., 13., 15., 17., 19., 21.}
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<< std::vector<double>{0., 1., 2., 3., 4., nan, nan, nan, nan};
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QTest::newRow("fillDataHoles (invalid min/max bounds (no changes made))")
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<< std::vector<double>{5., 7., 9., 11., 13.} << std::vector<double>{0., 1., 2., 3., 4.}
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<< 2. << nan << 8. << 13. << std::vector<double>{5., 7., 9., 11., 13.}
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<< std::vector<double>{0., 1., 2., 3., 4.};
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}
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void TestDataSeriesUtils::testFillDataHoles()
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{
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QFETCH(std::vector<double>, xAxisData);
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QFETCH(std::vector<double>, valuesData);
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QFETCH(double, resolution);
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QFETCH(double, fillValue);
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QFETCH(double, minBound);
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QFETCH(double, maxBound);
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QFETCH(std::vector<double>, expectedXAxisData);
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QFETCH(std::vector<double>, expectedValuesData);
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// Executes method (xAxisData and valuesData are modified)
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DataSeriesUtils::fillDataHoles(xAxisData, valuesData, resolution, fillValue, minBound,
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maxBound);
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// Checks results
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auto equal = [](const auto &data, const auto &expectedData) {
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// Compares with NaN values
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return std::equal(data.begin(), data.end(), expectedData.begin(), expectedData.end(),
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[](const auto &val, const auto &expectedVal) {
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return (std::isnan(val) && std::isnan(expectedVal))
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|| val == expectedVal;
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});
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};
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QVERIFY(equal(xAxisData, expectedXAxisData));
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QVERIFY(equal(valuesData, expectedValuesData));
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}
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namespace {
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const auto LINE_SEP = QRegularExpression{QStringLiteral("\\s+")};
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std::vector<double> fromFile(const QString &filePath)
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{
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QFile file{filePath};
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if (!file.open(QFile::ReadOnly | QIODevice::Text)) {
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return {};
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}
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std::vector<double> result{};
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QTextStream stream{&file};
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QString line{};
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while (stream.readLineInto(&line)) {
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auto lineData = line.split(LINE_SEP, QString::SkipEmptyParts);
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for (auto data : lineData) {
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bool valueOk;
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auto value = data.toDouble(&valueOk);
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result.push_back(valueOk ? value : std::numeric_limits<double>::quiet_NaN());
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}
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}
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return result;
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}
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} // namespace
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void TestDataSeriesUtils::testThresholds_data()
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{
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QTest::addColumn<std::vector<double> >("input");
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QTest::addColumn<bool>("logarithmic");
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QTest::addColumn<double>("expectedMinThreshold");
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QTest::addColumn<double>("expectedMaxThreshold");
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auto nan = std::numeric_limits<double>::quiet_NaN();
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QTest::newRow("thresholds (basic case)")
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<< std::vector<double>{1., 2., 3., 4., 5., 6., 7., 8., 9., 10.} << false << 1. << 10.;
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QTest::newRow("thresholds (with nan values)")
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<< std::vector<double>{nan, 2., 3., 4., 5., 6., 7., 8., 9., nan} << false << 2. << 9.;
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QTest::newRow("thresholds (case with low values and aberrant value)")
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<< std::vector<double>{1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 2.,
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2., 2., 2., 2., 2., 2., 2., 2., 2., 2., 2., 2., 2., 2., 3., 3.,
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3., 3., 3., 3., 3., 3., 3., 3., 3., 3., 3., 3., 3., 100.}
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<< false << 1. << 47.073;
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QTest::newRow("thresholds (empty data)") << std::vector<double>{} << false << nan << nan;
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QTest::newRow("thresholds (only nan values)")
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<< std::vector<double>{nan, nan, nan, nan, nan} << false << nan << nan;
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QTest::newRow("thresholds (from file with logarithmic scale)")
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<< fromFile(inputFilePath("TestThresholds.txt")) << true << 832.005 << 17655064.730;
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}
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void TestDataSeriesUtils::testThresholds()
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{
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QFETCH(std::vector<double>, input);
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QFETCH(bool, logarithmic);
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QFETCH(double, expectedMinThreshold);
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QFETCH(double, expectedMaxThreshold);
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double minThreshold, maxThreshold;
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std::tie(minThreshold, maxThreshold)
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= DataSeriesUtils::thresholds(input.begin(), input.end(), logarithmic);
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auto compareWithNaN = [](const auto &v1, const auto &v2) {
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return (std::isnan(v1) && std::isnan(v2)) || std::abs(v1 - v2) < 1e-3;
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};
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QVERIFY(compareWithNaN(minThreshold, expectedMinThreshold));
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QVERIFY(compareWithNaN(maxThreshold, expectedMaxThreshold));
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}
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QTEST_MAIN(TestDataSeriesUtils)
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#include "TestDataSeriesUtils.moc"
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