[#1501] Fix SubselectFetchTest

Author: blafond

hibernate-reactive-core/src/test/java/org/hibernate/reactive/SubselectFetchTest.java

@@ -14,7 +14,6 @@
 import org.hibernate.annotations.FetchMode;
 
 import org.junit.jupiter.api.AfterEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import io.vertx.junit5.Timeout;
@@ -43,7 +42,6 @@
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-@Disabled // see https://github.com/hibernate/hibernate-reactive/issues/1502
 @Timeout(value = 10, timeUnit = MINUTES)
 public class SubselectFetchTest extends BaseReactiveTest {
 
@@ -59,6 +57,10 @@ public void cleanDb(VertxTestContext context) {
 						.thenCompose( v -> s.createQuery( "delete from Node" ).executeUpdate() ) ) );
 	}
 
+	/**
+	 * @see org.hibernate.orm.test.mapping.fetch.subselect.SubselectFetchTest#testSubselectFetchHql()
+	 * @param context
+	 */
 	@Test
 	public void testQuery(VertxTestContext context) {
 		Node basik = new Node( "Child" );
@@ -80,6 +82,11 @@ public void testQuery(VertxTestContext context) {
 							Node n2 = list.get( 1 );
 							assertFalse( isInitialized( n1.getElements() ), "'n1.elements' should not be initialized" );
 							assertFalse( isInitialized( n2.getElements() ), "'n2.elements' should not be initialized" );
+
+							// .size() triggers loading of elements
+							assertTrue( n1.getElements().size() == 3 );
+							assertTrue( n2.getElements().size() == 2 );
+
 							return s.fetch( n1.getElements() ).thenAccept( elements -> {
 								assertTrue( isInitialized( elements ), "'elements' - after fetch - should be initialized" );
 								assertTrue( isInitialized( n1.getElements() ), "'n1.elements' - after fetch - should be initialized" );