diff --git a/src/test/java/ExpertFilterTest.java b/src/test/java/ExpertFilterTest.java
new file mode 100644
index 0000000..1182f93
--- /dev/null
+++ b/src/test/java/ExpertFilterTest.java
@@ -0,0 +1,34 @@
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import de.ids_mannheim.korap.query.serialize.ExpertFilter;
+import de.ids_mannheim.korap.util.QueryException;
+
+public class ExpertFilterTest {
+	
+	ExpertFilter ef;
+	String map;
+	private String query;
+
+	private boolean equalsQueryContent(String res, String query) throws QueryException {
+		res = res.replaceAll(" ", "");
+		ef = new ExpertFilter();
+		ef.process(query);
+		String queryMap = ef.getRequestMap().get("query").toString().replaceAll(" ", "");
+		return res.equals(queryMap);
+	}
+	
+	@Test
+	public void testSimple() throws QueryException {
+		query = "textClass=Sport";
+		String regex1 = "{@type=korap:filter, filter={@type=korap:term, attribute=textClass, key=Sport, match=match:eq}}";
+		ef = new ExpertFilter();
+		ef.process(query);
+		map = ef.getRequestMap().toString();
+		assertEquals(regex1.replaceAll(" ", ""), map.replaceAll(" ", ""));
+	}
+	
+	
+}
+