[#2926] Test validation of open transaction

Author: DavideD

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

@@ -0,0 +1,175 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.reactive;
+
+import java.util.Collection;
+import java.util.List;
+
+import org.hibernate.reactive.pool.ReactiveConnection;
+import org.hibernate.reactive.stage.Stage;
+import org.hibernate.reactive.stage.impl.StageSessionImpl;
+
+import org.junit.jupiter.api.Test;
+
+import io.vertx.junit5.VertxTestContext;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.hibernate.reactive.testing.ReactiveAssertions.assertThrown;
+
+public class TransactionValidationErrorTest extends BaseReactiveTest {
+
+	@Override
+	protected Collection<Class<?>> annotatedEntities() {
+		return List.of( Comic.class );
+	}
+
+	@Test
+	public void beginTransactionError(VertxTestContext context) {
+		test( context, assertThrown( IllegalStateException.class, openSession()
+				.thenCompose( s -> {
+					ReactiveConnection connection = reactiveConnection( s );
+					return connection.beginTransaction()
+							.thenCompose( t1 -> connection.beginTransaction() );
+				} )
+			  )
+				.thenAccept( e -> {
+					assertThat( e )
+							.hasMessageContaining( "HR000090" )
+							.hasMessageContaining( "starting a new transaction" );
+				} )
+		);
+	}
+
+	private static ReactiveConnection reactiveConnection(Stage.Session s) {
+		return ( (StageSessionImpl) s ).getReactiveConnection();
+	}
+
+	@Test
+	public void rollbackOnCloseWithStage(VertxTestContext context) {
+		Comic beneath = new Comic( "979-8887241081", "Beneath The Trees Where Nobody Sees" );
+
+		test(
+				context,
+				assertThrown( IllegalStateException.class, getSessionFactory()
+						.withTransaction( s -> s
+								.persist( beneath )
+								.thenCompose( v -> s.flush() )
+								// Close the connection before committing
+								.thenCompose( v -> s.close() )
+						)
+				)
+						.thenAccept( e -> assertThat( e )
+								.hasMessageContaining( "HR000090" )
+								.hasMessageContaining( "closing the connection" )
+						)
+						.thenCompose( v -> getSessionFactory()
+								.withTransaction( s -> s.find( Comic.class, beneath.isbn ) )
+						)
+						.thenAccept( result -> assertThat( result )
+								.as( "The persist should have been roll backed" )
+								.isNull() )
+		);
+	}
+
+	@Test
+	public void rollbackOnErrorWithStage(VertxTestContext context) {
+		Comic beneath = new Comic( "979-8887241081", "Beneath The Trees Where Nobody Sees" );
+		final RuntimeException ohNo = new RuntimeException( "Oh, no!" );
+		test(
+				context,
+				assertThrown( RuntimeException.class, getSessionFactory()
+						.withTransaction( s -> s
+								.persist( beneath )
+								.thenCompose( v -> s.flush() )
+								// Close the connection before committing
+								.thenAccept( v -> {
+									throw ohNo;
+								} )
+						)
+				)
+						.thenAccept( e -> assertThat( e ).hasMessageContaining( ohNo.getMessage() ) )
+						.thenCompose( v -> getSessionFactory()
+								.withTransaction( s -> s.find( Comic.class, beneath.isbn ) )
+						)
+						.thenAccept( result -> assertThat( result )
+								.as( "The persist should have been roll backed" )
+								.isNull() )
+		);
+	}
+
+	@Test
+	public void rollbackOnClose(VertxTestContext context) {
+		Comic beneath = new Comic( "979-8887241081", "Beneath The Trees Where Nobody Sees" );
+
+		test(
+				context,
+				assertThrown( IllegalStateException.class, getMutinySessionFactory()
+						.withTransaction( s -> s
+								.persist( beneath )
+								.call( s::flush )
+								// Close the connection before committing
+								.call( s::close )
+						)
+				)
+						.invoke( e -> assertThat( e )
+								.hasMessageContaining( "HR000090" )
+								.hasMessageContaining( "closing the connection" )
+						)
+						.chain( () -> getMutinySessionFactory()
+								.withTransaction( s -> s.find( Comic.class, beneath.isbn ) )
+						)
+						.invoke( result -> assertThat( result )
+								.as( "The persist should have been roll backed" )
+								.isNull() )
+		);
+	}
+
+	@Test
+	public void rollbackOnError(VertxTestContext context) {
+		Comic beneath = new Comic( "979-8887241081", "Beneath The Trees Where Nobody Sees" );
+		final RuntimeException ohNo = new RuntimeException( "Oh, no!" );
+		test(
+				context,
+				assertThrown( RuntimeException.class, getMutinySessionFactory()
+						.withTransaction( s -> s
+								.persist( beneath )
+								.call( s::flush )
+								.chain( () -> {
+									throw ohNo;
+								} )
+						)
+				)
+						.invoke( e -> assertThat( e ).hasMessageContaining( ohNo.getMessage() ) )
+						.chain( () -> getMutinySessionFactory()
+								.withTransaction( s -> s.find( Comic.class, beneath.isbn ) )
+						)
+						.invoke( result -> assertThat( result )
+								.as( "The persist should have been roll backed" )
+								.isNull() )
+		);
+	}
+
+	@Entity
+	public static class Comic {
+		@Id
+		public String isbn;
+		public String title;
+
+		public Comic() {
+		}
+
+		public Comic(String iban, String title) {
+			this.isbn = iban;
+			this.title = title;
+		}
+
+		@Override
+		public String toString() {
+			return isbn + ":" + title;
+		}
+	}
+}