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#include <QObject>
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#include <QtTest>
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#include <QUuid>
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#include <limits>
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#include <Data/DateTimeRange.h>
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#include <Common/Numeric.h>
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Q_DECLARE_METATYPE(Seconds<double>);
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DateTimeRange computeZoom(QDateTime start, QDateTime stop, double zoom)
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{
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double start_epoch = start.toMSecsSinceEpoch();
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double stop_epoch = stop.toMSecsSinceEpoch();
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auto delta = stop_epoch - start_epoch;
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auto dt_ms = (zoom-1.)*(double(delta))/2.;
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return DateTimeRange{(start_epoch - dt_ms)/1000., (stop_epoch + dt_ms)/1000.};
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}
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class TestDateTimeRange: public QObject {
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Q_OBJECT
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private slots:
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void testRangeDelta_data()
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{
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QTest::addColumn<QDateTime>("tstart");
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QTest::addColumn<QDateTime>("tend");
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QTest::addColumn<double>("expected");
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auto now = QDateTime::currentDateTime();
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auto yesterday = QDateTime::currentDateTime().addDays(-1);
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QTest::newRow("No delta") << now << now << 0.;
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QTest::newRow("One day delta") << yesterday << now << 60.*60.*24.;
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QTest::newRow("Minus one day delta") << now << yesterday << -60.*60.*24.;
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}
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void testRangeDelta()
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{
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QFETCH(QDateTime,tstart);
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QFETCH(QDateTime,tend);
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QFETCH(double,expected);
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auto range = DateTimeRange::fromDateTime(tstart, tend);
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double delta = range.delta();
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// Since it is built from QDateTime don't expect better resolution
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QVERIFY((delta-expected) <= 0.002);
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}
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void testRangeShift_data()
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{
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QTest::addColumn<DateTimeRange>("initial");
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QTest::addColumn<Seconds<double>>("shift");
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QTest::addColumn<DateTimeRange>("expected");
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auto now = QDateTime::currentDateTime();
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auto yestd = QDateTime::currentDateTime().addDays(-1);
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auto range = DateTimeRange::fromDateTime(yestd, now);
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QTest::newRow("No shift") << range << Seconds<double>{0.} << range;
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QTest::newRow("One milisecond left") << range << Seconds<double>{-.001} <<
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DateTimeRange::fromDateTime(yestd.addMSecs(-1.), now.addMSecs(-1.));
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QTest::newRow("One milisecond right") << range << Seconds<double>{.001} <<
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DateTimeRange::fromDateTime(yestd.addMSecs(1.), now.addMSecs(1.));
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QTest::newRow("One second left") << range << Seconds<double>{-1.} <<
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DateTimeRange::fromDateTime(yestd.addSecs(-1.), now.addSecs(-1.));
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QTest::newRow("One second right") << range << Seconds<double>{1.} <<
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DateTimeRange::fromDateTime(yestd.addSecs(1.), now.addSecs(1.));
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QTest::newRow("One year left") << range << Seconds<double>{-365.*24.*60.*60.} <<
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DateTimeRange::fromDateTime(yestd.addYears(-1.), now.addYears(-1.));
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QTest::newRow("One year right") << range << Seconds<double>{365.*24.*60.*60.} <<
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DateTimeRange::fromDateTime(yestd.addYears(1.), now.addYears(1.));
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}
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void testRangeShift()
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{
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QFETCH(DateTimeRange,initial);
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QFETCH(Seconds<double>,shift);
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QFETCH(DateTimeRange,expected);
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QCOMPARE(initial+shift, expected);
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}
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void testRangeZoom_data()
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{
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QTest::addColumn<DateTimeRange>("initial");
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QTest::addColumn<double>("zoom");
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QTest::addColumn<DateTimeRange>("expected");
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auto now = QDateTime::currentDateTime();
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auto yestd = QDateTime::currentDateTime().addDays(-1);
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auto range = DateTimeRange::fromDateTime(yestd, now);
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QTest::newRow("No zoom") << range << 1. << range;
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QTest::newRow("Zoom IN 0.001") << range << 1.001 <<
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computeZoom(yestd, now, 1.001);
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QTest::newRow("Zoom OUT 0.001") << range << 0.999 <<
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computeZoom(yestd, now, 0.999);
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}
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void testRangeZoom()
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{
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QFETCH(DateTimeRange,initial);
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QFETCH(double,zoom);
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QFETCH(DateTimeRange,expected);
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QCOMPARE(initial*zoom, expected);
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}
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};
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QTEST_MAIN(TestDateTimeRange)
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#include "TestDateTimeRange.moc"
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