Add test

Signed-off-by: Bernát Gábor <[email protected]>

Author: gaborbernat

opengrok-indexer/src/test/java/org/opengrok/indexer/search/SearchEngineTest.java

@@ -24,7 +24,10 @@
 package org.opengrok.indexer.search;
 
 import java.io.File;
+import java.io.FileOutputStream;
+import java.util.ArrayList;
 import java.util.Collections;
+import java.util.List;
 import java.util.TreeSet;
 
 import org.junit.jupiter.api.AfterAll;
@@ -36,6 +39,7 @@
 import org.opengrok.indexer.util.TestRepository;
 
 import org.opengrok.indexer.history.RepositoryFactory;
+import org.opengrok.indexer.web.SortOrder;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
@@ -148,6 +152,28 @@ void testGetQuery() throws Exception {
                 instance.getQuery());
     }
 
+    @Test
+    void testSortOrderRelevancy() {
+        SearchEngine instance = new SearchEngine();
+        instance.setFile("main.c OR Makefile");
+        instance.setFreetext("arguments");
+        instance.setSortOrder(SortOrder.RELEVANCY);
+        int hitsCount = instance.search();
+        List<Hit> hits = new ArrayList<>();
+        instance.results(0, hitsCount, hits);
+        assertTrue(hits.size() > 1, "Should return at least 2 hits for RELEVANCY sort to check order");
+
+        List<String> filenames = new ArrayList<>();
+        for (Hit hit : hits) {
+            filenames.add(hit.getFilename());
+        }
+
+        List<String> sortedFilenames = new ArrayList<>(filenames);
+        Collections.sort(sortedFilenames);
+        assertFalse(filenames.equals(sortedFilenames), "RELEVANCY sort should not be strictly filename order");
+        instance.destroy();
+    }
+
     /* see https://github.com/oracle/opengrok/issues/2030
     @Test
     void testSearch() {