HHH-10247 - Add test for issue

hibernate-core/src/test/java/org/hibernate/test/schemaupdate/manytomany/ForeignKeyNameTest.java

@@ -0,0 +1,61 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.test.schemaupdate.manytomany;
+
+import java.io.File;
+import java.nio.file.Files;
+
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistry;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.boot.spi.MetadataImplementor;
+import org.hibernate.cfg.Environment;
+import org.hibernate.tool.hbm2ddl.SchemaExport;
+
+import org.junit.Test;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseUnitTestCase;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Andrea Boriero
+ */
+public class ForeignKeyNameTest extends BaseUnitTestCase {
+
+	@Test
+	@TestForIssue(jiraKey = "HHH-10247")
+	public void testJoinedSubclassForeignKeyNameIsNotAutoGeneratedWhenProvided() throws Exception {
+		StandardServiceRegistry ssr = new StandardServiceRegistryBuilder()
+				.applySetting( Environment.HBM2DDL_AUTO, "none" )
+				.build();
+		try {
+			File output = File.createTempFile( "update_script", ".sql" );
+			output.deleteOnExit();
+
+			final MetadataImplementor metadata = (MetadataImplementor) new MetadataSources( ssr )
+					.addResource( "org/hibernate/test/schemaupdate/manytomany/UserGroup.hbm.xml" )
+					.buildMetadata();
+			metadata.validate();
+
+			SchemaExport schemaExport = new SchemaExport( ssr, metadata );
+			schemaExport.setOutputFile( output.getAbsolutePath() );
+			schemaExport.setDelimiter( ";" );
+			schemaExport.setFormat( true );
+			schemaExport.create( true, false );
+
+			String fileContent = new String( Files.readAllBytes( output.toPath() ) );
+			assertThat( fileContent.toLowerCase().contains( "fk_user_group" ), is( true ) );
+			assertThat( fileContent.toLowerCase().contains( "fk_group_user" ), is( true ) );
+		}
+		finally {
+			StandardServiceRegistryBuilder.destroy( ssr );
+		}
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/schemaupdate/manytomany/Group.java

@@ -0,0 +1,27 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.test.schemaupdate.manytomany;
+
+import java.io.Serializable;
+
+/**
+ * @author Andrea Boriero
+ */
+public class Group implements Serializable {
+
+	private Long id;
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+}
+

hibernate-core/src/test/java/org/hibernate/test/schemaupdate/manytomany/User.java

@@ -0,0 +1,36 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.test.schemaupdate.manytomany;
+
+import java.io.Serializable;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * @author Andrea Boriero
+ */
+public class User implements Serializable {
+
+	private Long id;
+	private Set groups = new HashSet();
+
+	public Long getId() {
+		return id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+	public Set getGroups() {
+		return groups;
+	}
+
+	public void setGroups(Set groups) {
+		this.groups = groups;
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/schemaupdate/manytomany/UserGroup.hbm.xml

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+<?xml version="1.0"?>
+<!--
+  ~ Hibernate, Relational Persistence for Idiomatic Java
+  ~
+  ~ License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+  ~ See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+  -->
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping
+        package="org.hibernate.test.schemaupdate.manytomany">
+
+    <class name="User" table="user">
+        <id name="id">
+        </id>
+        <set name="groups" table="user_group">
+            <key column="user_id" foreign-key="fk_user_group"/>
+            <many-to-many class="Group" column="group_id" foreign-key="fk_group_user"/>
+        </set>
+    </class>
+
+    <class name="Group" table="Group">
+        <id name="id"/>
+    </class>
+
+</hibernate-mapping>