Test: Fix Testcase

CityDoctorParent/CityDoctorModel/src/test/java/de/hft/stuttgart/citydoctor2/datastructure/AbstractBuildingTest.java

@@ -23,12 +23,16 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
+import de.hft.stuttgart.citydoctor2.utils.UnsetGeometriesVisitor;
 import org.citygml4j.core.model.construction.WallSurface;
 import org.citygml4j.core.model.core.AbstractSpaceBoundaryProperty;
 import org.citygml4j.core.util.geometry.GeometryFactory;
@@ -305,12 +309,22 @@ public class AbstractBuildingTest {
 	@Test
 	public void testUnsetGmlGeometries() {
 		Installation biMock = mock(Installation.class);
+		doAnswer(invocation -> {
+			biMock.unsetGmlGeometries();
+			return null;
+		}).when(biMock).accept(any(UnsetGeometriesVisitor.class));
+
 		BoundarySurface bsMock = mock(BoundarySurface.class);
+		doAnswer(invocation -> {
+			bsMock.unsetGmlGeometries();
+			return null;
+		}).when(bsMock).accept(any(UnsetGeometriesVisitor.class));
 
 		AbstractBuilding ab = createAbstractBuilding();
 		ab.addBoundarySurface(bsMock);
 		ab.addBuildingInstallation(biMock);
 		org.citygml4j.core.model.building.AbstractBuilding gmlAb = new org.citygml4j.core.model.building.Building();
+
 		gmlAb.setLod1Solid(new SolidProperty());
 		gmlAb.setLod2Solid(new SolidProperty());
 		gmlAb.setLod3Solid(new SolidProperty());
@@ -320,9 +334,14 @@ public class AbstractBuildingTest {
 		gmlAb.setLod3MultiSurface(new MultiSurfaceProperty());
 		gmlAb.getDeprecatedProperties().setLod4MultiSurface(new MultiSurfaceProperty());
 		ab.setCityGmlBuilding(gmlAb);
-		ab.unsetGmlGeometries();
-		Mockito.verify(biMock).unsetGmlGeometries();
-		Mockito.verify(bsMock).unsetGmlGeometries();
+
+		ab.accept(new UnsetGeometriesVisitor());
+
+		verify(biMock).accept(any(UnsetGeometriesVisitor.class));
+		verify(bsMock).accept(any(UnsetGeometriesVisitor.class));
+		verify(biMock).unsetGmlGeometries();
+		verify(bsMock).unsetGmlGeometries();
+
 		assertNull(gmlAb.getLod1Solid());
 		assertNull(gmlAb.getLod2Solid());
 		assertNull(gmlAb.getLod3Solid());