[hibernate#1077] Added test to verify new support for non-nullable associations

Author: blafond

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

@@ -0,0 +1,153 @@
+/* Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright: Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.reactive;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
+import org.hibernate.cfg.Configuration;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import io.vertx.ext.unit.TestContext;
+
+public class NonNullableManyToOneTest extends BaseReactiveTest {
+
+	@Override
+	protected Configuration constructConfiguration() {
+		Configuration configuration = super.constructConfiguration();
+		configuration.addAnnotatedClass( Dealer.class );
+		configuration.addAnnotatedClass( Artist.class );
+		configuration.addAnnotatedClass( Painting.class );
+		return configuration;
+	}
+
+	@Before
+	public void populateDB(TestContext context) {
+		Artist artist = new Artist( "Grand Master Painter" );
+		artist.id = 1L;
+		Dealer dealer = new Dealer( "Dealer" );
+		dealer.id = 1L;
+		Painting painting = new Painting( "Mona Lisa");
+		painting.id = 2L;
+		artist.addPainting( painting );
+		dealer.addPainting( painting );
+
+		test( context, getMutinySessionFactory()
+				.withTransaction( s -> s.persistAll( painting, artist, dealer ) ) );
+	}
+
+	@After
+	public void cleanDB(TestContext context) {
+		test( context, deleteEntities( "Painting", "Artist" ) );
+	}
+
+	@Test
+	public void testNonNullableSuccess(TestContext context) {
+		test(
+				context,
+				getMutinySessionFactory().withTransaction( session -> session
+								.createQuery( "from Artist", Artist.class )
+								.getSingleResult().chain( a -> session.fetch( a.paintings ) )
+								.invoke( paintings -> {
+									context.assertNotNull( paintings );
+									context.assertEquals( 1, paintings.size() );
+									context.assertEquals( "Mona Lisa", paintings.get( 0 ).name );
+								} ) )
+						.chain( () -> getMutinySessionFactory().withTransaction( s1 -> s1
+										.createQuery( "from Dealer", Dealer.class )
+										.getSingleResult().chain( d -> s1.fetch( d.paintings ) )
+										.invoke( paintings -> {
+											context.assertNotNull( paintings );
+											context.assertEquals( 1, paintings.size() );
+											context.assertEquals( "Mona Lisa", paintings.get( 0 ).name );
+										} )
+								)
+						)
+		);
+	}
+
+	@Entity(name = "Painting")
+	@Table(name = "painting")
+	public static class Painting {
+		@Id
+		Long id;
+		String name;
+
+		@JoinColumn(nullable = false)
+		@ManyToOne(optional = true)
+		Artist author;
+
+		@JoinColumn(nullable = true)
+		@ManyToOne(optional = false)
+		Dealer dealer;
+
+		public Painting() {
+		}
+
+		public Painting(String name) {
+			this.name = name;
+		}
+	}
+
+	@Entity(name = "Artist")
+	@Table(name = "artist")
+	public static class Artist {
+
+		@Id
+		Long id;
+		String name;
+
+		@OneToMany(mappedBy = "author")
+		List<Painting> paintings = new ArrayList<>();
+
+		public Artist() {
+		}
+
+		public Artist(String name) {
+			this.name = name;
+		}
+
+		public void addPainting(Painting painting) {
+			this.paintings.add( painting );
+			painting.author = this;
+		}
+
+	}
+
+	@Entity(name = "Dealer")
+	@Table(name = "dealer")
+	public static class Dealer {
+
+		@Id
+		Long id;
+		String name;
+
+		@OneToMany(mappedBy = "dealer")
+		List<Painting> paintings = new ArrayList<>();
+
+		public Dealer() {
+		}
+
+		public Dealer(String name) {
+			this.name = name;
+		}
+
+		public void addPainting(Painting painting) {
+			this.paintings.add( painting );
+			painting.dealer = this;
+		}
+
+	}
+}