first step

src/MissionManager/TransectStyleComplexItemTest.cc

@@ -209,6 +209,17 @@ void TransectStyleComplexItemTest::_testAltMode(void)
     QVERIFY(!_transectStyleItem->followTerrain());
 }
 
+void TransectStyleComplexItemTest::_testFollowTerrain(void) {
+    _multiSpy->clearAllSignals();
+    _transectStyleItem->setFollowTerrain(true);
+    _transectStyleItem->cameraCalc()->distanceToSurface()->setRawValue(50);
+    _multiSpy->clearAllSignals();
+    QVERIFY(_multiSpy->waitForSignalByIndex(lastSequenceNumberChangedIndex, 2000));
+    QJsonArray ja;
+    _transectStyleItem->save(ja);
+    qDebug() << ja;
+}
+
 TestTransectStyleItem::TestTransectStyleItem(PlanMasterController* masterController, QObject* parent)
     : TransectStyleComplexItem      (masterController, false /* flyView */, QStringLiteral("UnitTestTransect"), parent)
     , rebuildTransectsPhase1Called  (false)

src/MissionManager/TransectStyleComplexItemTest.h

@@ -34,6 +34,7 @@ private slots:
     void _testRebuildTransects  (void);
     void _testDistanceSignalling(void);
     void _testAltMode           (void);
+    void _testFollowTerrain     (void);
 
 private:
     enum {

src/Terrain/TerrainQuery.h

@@ -294,3 +294,13 @@ private:
     QList<TerrainPathQuery::PathHeightInfo_t>   _rgPathHeightInfo;
     TerrainPathQuery                            _pathQuery;
 };
+
+///
+/// \brief The MockTerrainQuery class provides unit test responses for disconnected environment
+///
+class MockTerrainQuery : public TerrainQueryInterface {
+public:
+    void requestCoordinateHeights(const QList<QGeoCoordinate>& coordinates) Q_DECL_OVERRIDE;
+    void requestPathHeights(const QGeoCoordinate& fromCoord, const QGeoCoordinate& toCoord) Q_DECL_OVERRIDE;
+    void requestCarpetHeights(const QGeoCoordinate& swCoord, const QGeoCoordinate& neCoord, bool statsOnly) Q_DECL_OVERRIDE;
+};