Fix broken unwrap bean validation and adapt tests (#50)

Author: MelleD

src/main/java/org/openapitools/jackson/nullable/JsonNullableJakartaValueExtractor.java

@@ -11,6 +11,6 @@
 public class JsonNullableJakartaValueExtractor implements ValueExtractor<JsonNullable<@ExtractedValue ?>> {
     @Override
     public void extractValues(JsonNullable<?> originalValue, ValueReceiver receiver) {
-        JsonNullableValueExtractorHelper.extractValues(originalValue, receiver::indexedValue, receiver::value);
+        JsonNullableValueExtractorHelper.extractValues(originalValue, receiver::value);
     }
 }

src/main/java/org/openapitools/jackson/nullable/JsonNullableValueExtractor.java

@@ -11,6 +11,6 @@
 public class JsonNullableValueExtractor implements ValueExtractor<JsonNullable<@ExtractedValue ?>> {
     @Override
     public void extractValues(JsonNullable<?> originalValue, ValueReceiver receiver) {
-        JsonNullableValueExtractorHelper.extractValues(originalValue, receiver::indexedValue, receiver::value);
+        JsonNullableValueExtractorHelper.extractValues(originalValue, receiver::value);
     }
 }

src/main/java/org/openapitools/jackson/nullable/JsonNullableValueExtractorHelper.java

@@ -1,28 +1,12 @@
 package org.openapitools.jackson.nullable;
 
-import java.util.Collection;
-
 abstract class JsonNullableValueExtractorHelper {
-    public static void extractValues(JsonNullable<?> originalValue, IndexedValueSetter indexedValueSetter, ValueSetter valueSetter) {
+    public static void extractValues(JsonNullable<?> originalValue, ValueSetter valueSetter) {
         if (originalValue.isPresent()) {
-            Object unwrapped = originalValue.get();
-            if (unwrapped instanceof Collection<?>) {
-                Collection<?> unwrappedList = (Collection<?>) unwrapped;
-                Object[] objects = unwrappedList.toArray();
-                for (int i = 0; i < objects.length; i++) {
-                    indexedValueSetter.apply("<list element>", i, objects[i]);
-                }
-            } else {
-                valueSetter.apply(null, originalValue.get());
-            }
+            valueSetter.apply(null, originalValue.get());
         }
     }
 
-    @FunctionalInterface
-    interface IndexedValueSetter {
-        void apply(String var1, int var2, Object var3);
-    }
-
     @FunctionalInterface
     interface ValueSetter {
         void apply(String var1, Object var2);

src/test/java/org/openapitools/jackson/nullable/JsonNullableValueExtractorTest.java

@@ -57,10 +57,9 @@ public void testValidationIsAppliedOnDefinedValue_whenNullValueExtracted() {
         Set<ConstraintViolation<UnitIssue3>> violations = validator.validate(unitIssue);
         assertEquals(1, violations.size());
     }
-
-    // ensure that JsonNullable<Collection<T>> gets unwrapped and the collection items are validated as well
+    
     @Test
-    public void testUnwrapList() {
+    public void testCollection() {
         Car aCar = new Car();
 
         // test for java.util.List
@@ -76,7 +75,7 @@ public void testUnwrapList() {
         assertEquals(3, validationResult.size());
         assertTrue(validationResult.stream().anyMatch(c -> c.getPropertyPath().toString().equals("wheels[1].screws") && c.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName().equals("NotNull")));
         assertTrue(validationResult.stream().anyMatch(c -> c.getPropertyPath().toString().equals("wheels[3].screws") && c.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName().equals("NotNull")));
-        assertTrue(validationResult.stream().anyMatch(c -> c.getPropertyPath().toString().equals("persons[0].role") && c.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName().equals("NotNull")));
+        assertTrue(validationResult.stream().anyMatch(c -> c.getPropertyPath().toString().equals("persons[].role") && c.getConstraintDescriptor().getAnnotation().annotationType().getSimpleName().equals("NotNull")));
     }
 
 
@@ -120,10 +119,10 @@ public void setNotNullString(String value) {
 
     private static class Car {
         @Valid
-        private JsonNullable<List<Wheel>> wheels = JsonNullable.undefined();
+        private JsonNullable<List<@Valid Wheel>> wheels = JsonNullable.undefined();
 
         @Valid
-        private JsonNullable<Set<Person>> persons = JsonNullable.undefined();
+        private JsonNullable<Set<@Valid Person>> persons = JsonNullable.undefined();
 
         public void addWheel(Wheel wheel) {
             if (wheels == null || !wheels.isPresent()) {