Fixing failing tests.

Author: staudtMarius

src/main/java/edu/ie3/datamodel/io/IoUtil.java

@@ -37,11 +37,7 @@ public static String harmonizeFileSeparator(String in) {
    * @return the option for a harmonized path
    */
   public static Path harmonizeFileSeparator(Path path) {
-    return Path.of(
-        IoUtil.harmonizeFileSeparator(
-            path.toString()
-                .replaceFirst("^" + IoUtil.FILE_SEPARATOR_REGEX, "")
-                .replaceAll(IoUtil.FILE_SEPARATOR_REGEX + "$", "")));
+    return Path.of(IoUtil.harmonizeFileSeparator(path.toString()));
   }
 
   /**

src/main/java/edu/ie3/datamodel/io/source/csv/CsvDataSource.java

@@ -65,7 +65,7 @@ public Stream<Map<String, String>> getSourceData(Class<? extends UniqueEntity> e
 
   // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 
-  public BufferedReader createReader(String filePath) throws FileNotFoundException {
+  public BufferedReader createReader(Path filePath) throws FileNotFoundException {
     return connector.initReader(filePath);
   }
 

src/main/java/edu/ie3/datamodel/io/source/csv/CsvIdCoordinateSource.java

@@ -12,7 +12,6 @@
 import edu.ie3.util.geo.GeoUtils;
 import java.io.BufferedReader;
 import java.io.IOException;
-import java.nio.file.Path;
 import java.util.*;
 import java.util.function.Function;
 import java.util.stream.Collectors;

src/test/groovy/edu/ie3/datamodel/io/source/EntitySourceTest.groovy

@@ -16,6 +16,8 @@ import edu.ie3.test.common.GridTestData as gtd
 import spock.lang.Shared
 import spock.lang.Specification
 
+import java.nio.file.Path
+
 class EntitySourceTest extends Specification {
 
   private final class DummyEntitySource extends EntitySource {
@@ -27,7 +29,7 @@ class EntitySourceTest extends Specification {
   @Shared
   String csvSep = ","
   @Shared
-  String testBaseFolderPath = "testBaseFolderPath" // does not have to exist for this test
+  Path testBaseFolderPath = Path.of("testBaseFolderPath") // does not have to exist for this test
   @Shared
   FileNamingStrategy fileNamingStrategy = new FileNamingStrategy()