add a test for "dynamic" i.e. Map entities

hibernate-reactive-core/src/test/java/org/hibernate/reactive/dynamic/DynamicEntityTest.java

@@ -0,0 +1,44 @@
+/* Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright: Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.reactive.dynamic;
+
+import io.vertx.ext.unit.TestContext;
+import org.hibernate.reactive.BaseReactiveTest;
+import org.hibernate.tuple.DynamicMapInstantiator;
+import org.junit.Test;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+public class DynamicEntityTest extends BaseReactiveTest {
+
+	@Override
+	protected Collection<String> mappings() {
+		return List.of("org/hibernate/reactive/dynamic/Book.hbm.xml");
+	}
+
+	@Test
+	public void test(TestContext context) {
+		Map<String, String> book = new HashMap<>();
+		book.put("ISBN", "9781932394153");
+		book.put("title", "Hibernate in Action");
+		book.put("author", "Christian Bauer and Gavin King");
+		book.put( DynamicMapInstantiator.KEY, "Book" );
+
+		test(
+				context,
+				getMutinySessionFactory()
+						.withTransaction( session -> session.persist( book ) )
+						.chain( v -> getMutinySessionFactory()
+								.withSession( session -> session.createQuery("from Book", Map.class).getSingleResult() )
+								.invoke( map -> context.assertEquals( "Christian Bauer and Gavin King", map.get("author") ) ) )
+		);
+	}
+
+}

hibernate-reactive-core/src/test/resources/org/hibernate/reactive/dynamic/Book.hbm.xml

@@ -0,0 +1,11 @@
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping>
+    <class entity-name="Book" table="dbooks">
+        <id name="ISBN" column="isbn" length="32" type="string"/>
+        <property name="title" not-null="true" length="50" type="string"/>
+        <property name="author" not-null="true" length="50" type="string"/>
+    </class>
+</hibernate-mapping>