another test

Author: bvsharp

src/test/java/org/folio/fqm/service/ResultSetServiceTest.java

@@ -253,6 +253,55 @@ void shouldApplyDefaultValuesToNestedFields() {
     assertEquals(1, nonDefaultCount, "Should have exactly one element with non-default value");
   }
 
+  @Test
+  void shouldSkipDefaultValuesForNonObjectArrayElements() {
+    UUID entityTypeId = UUID.randomUUID();
+    UUID contentId = UUID.randomUUID();
+    String nestedFieldJson = """
+      ["not-an-object", 123, null]
+      """;
+
+    EntityTypeColumn nestedColumn = new EntityTypeColumn()
+      .name("field")
+      .dataType(
+        new ArrayType().itemDataType(
+          new ObjectType().properties(List.of(
+            new NestedObjectProperty()
+              .name("nested_with_default")
+              .property("nestedWithDefault")
+              .defaultValue("default")
+          ))
+        )
+      );
+
+    EntityType entityType = new EntityType()
+      .id(entityTypeId.toString())
+      .columns(List.of(
+        new EntityTypeColumn().name("id").isIdColumn(true),
+        nestedColumn
+      ));
+
+    List<String> fields = List.of("id", "field");
+    List<String> tenantIds = List.of("tenant_01");
+    List<List<String>> listIds = List.of(List.of(contentId.toString()));
+
+    when(entityTypeFlatteningService.getFlattenedEntityType(entityTypeId, null, true)).thenReturn(entityType);
+    when(entityTypeFlatteningService.getFlattenedEntityType(entityTypeId, "tenant_01", true)).thenReturn(entityType);
+    when(resultSetRepository.getResultSet(entityTypeId, fields, listIds, tenantIds))
+      .thenReturn(List.of(Map.of("id", contentId.toString(), "field", nestedFieldJson)));
+
+    List<Map<String, Object>> actual = service.getResultSet(entityTypeId, fields, listIds, tenantIds, false);
+    String actualJson = (String) actual.getFirst().get("field");
+
+    // The array should remain unchanged since none of the elements are objects
+    // Verify all original elements are still present
+    assertEquals(true, actualJson.contains("\"not-an-object\""));
+    assertEquals(true, actualJson.contains("123"));
+    assertEquals(true, actualJson.contains("null"));
+    // Verify no default values were added
+    assertEquals(false, actualJson.contains("nestedWithDefault"));
+  }
+
   static List<Arguments> dateLocalizationTestCases() {
     return List.of(
       // (tz, date string, timestamp, offset date string, expected)