Merge pull request #41 from schrom01/feature_plantList_M2

fixed Method getFilteredPlantListByString

src/main/java/ch/zhaw/gartenverwaltung/plantList/PlantListModel.java

@@ -110,7 +110,9 @@ public class PlantListModel {
      * @throws IOException If the database cannot be accessed
      */
     public List<Plant> getFilteredPlantListByString(HardinessZone zone, String searchString) throws HardinessZoneNotSetException, IOException {
-        if(searchString.charAt(0) == '#') {
+        if(searchString.length() == 0){
+            return getPlantList(zone);
+        } else if(searchString.charAt(0) == '#') {
             try {
                 return getFilteredPlantListById(zone, Long.parseLong(searchString.substring(1)));
             } catch (NumberFormatException e) {

src/test/java/ch/zhaw/gartenverwaltung/plantList/PlantListModelTest.java

@@ -173,6 +173,8 @@ class PlantListModelTest {
         assertEquals(examplePlantList.get(1), plantListResult.get(0));
         plantListResult = model.getFilteredPlantListByString(HardinessZone.ZONE_8A, "apple");
         assertEquals(0, plantListResult.size());
+        plantListResult = model.getFilteredPlantListByString(HardinessZone.ZONE_8A, "");
+        assertEquals(3, plantListResult.size());
     }
 
     @Test