Test.

enrich-citygml-with-greenarea/src/main/java/de/hft/stuttgart/citygml/green/osm/GreenEnricher.java

@@ -116,16 +116,22 @@ public class GreenEnricher
 			InterruptedException, ParserConfigurationException, CityGMLWriteException, JAXBException {
 		System.out.println("Reading CityGML file");
 		Path inFile = Paths.get(args[0]);
+		Path baumKatasterPath = Paths.get(args[1]);
+		String outputSuffix = args[2];
 		CityModel cityModel = readCityGml(inFile);
 
 		createTransformers(cityModel);
 
 		OsmData osmData = new OsmData();
-		String boundingBoxString = extractAndConvertBoundingBox(cityModel, osmData);
-		//		HttpResponse<String> response = getOsmData(boundingBoxString);
-		//		Files.write(Path.of("osm_response.xml"), response.body().getBytes(StandardCharsets.UTF_8));
-		//		String osmResponse = response.body();
-		String osmResponse = Files.readString(Paths.get("data", "osm_response.xml"));
+		String boundingBoxString = GreenEnricher.extractAndConvertBoundingBox(cityModel, osmData);
+		String boundingBoxBasename = boundingBoxString.replace(",", "__").replace('.', '_');
+		Path osmCache = Paths.get("data", "cache", "osm_response_" + boundingBoxBasename + ".xml");
+		if (!Files.exists(osmCache)) {
+			System.out.println("Downloading OSM data for " + boundingBoxString);
+			HttpResponse<String> response = GreenEnricher.getOsmData(boundingBoxString);
+			Files.write(osmCache, response.body().getBytes(StandardCharsets.UTF_8));
+		}
+		String osmResponse = Files.readString(osmCache);
 
 		System.out.println("Parsing OSM response");
 		parseOsmResponse(osmResponse, osmData);
@@ -141,13 +147,13 @@ public class GreenEnricher
 		convertWaterAreasToCityGML(cityModel, osmData);
 
 		// trees
-		TreeUtils.insertTrees(cityModel, osmData);
+		TreeUtils.insertTrees(cityModel, osmData, baumKatasterPath);
 
 		clampToGround(cityModel);
 
 		String inputString = inFile.getFileName().toString();
 		String inputPathWithoutFileEnding = inputString.substring(0, inputString.lastIndexOf('.'));
-		Path outputPath = Paths.get("data", inputPathWithoutFileEnding + "_with_osm_greens.gml");
+		Path outputPath = Paths.get("data", inputPathWithoutFileEnding + "_" + outputSuffix + ".gml");
 		System.out.println("Writing output file.");
 		writeCityGML(cityModel, outputPath);
 		System.out.println("Done");

enrich-citygml-with-greenarea/src/test/java/de/hft/stuttgart/citygml/green/alkis/AlkisGreenEnricherTest.java

 package de.hft.stuttgart.citygml.green.alkis;
 
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import org.junit.jupiter.api.Test;
 
 
@@ -7,11 +12,15 @@ class AlkisGreenEnricherTest
 {
 	@Test
 	void testAlkisGreen() throws Exception {
+		Path outputGML = Paths.get("data/Grombühl_v4_case_study_with_alkis_greens_realistic.gml");
+		Files.deleteIfExists(outputGML);
+		assertFalse(Files.exists(outputGML));
 		String[] args = new String[] { "data/Grombühl_v4_case_study.gml", // Input GML
 				"data/tn_09663/Nutzung.shp", // ALKIS Data
 				"data/Trees/Trees_realisticScenario_20240201.shp", // Added trees, in Baumkatasterformat,
 				"with_alkis_greens_realistic" // Output GML suffix
 		};
 		AlkisGreenEnricher.main(args);
+		assertTrue(Files.exists(outputGML));
 	}
 }