HHH-12212 - Add test for issue

hibernate-core/src/test/java/org/hibernate/test/schemaupdate/derivedid/ColumnLengthTest.java

@@ -0,0 +1,133 @@
+/*
+ * 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.derivedid;
+
+import java.io.File;
+import java.io.Serializable;
+import java.nio.file.Files;
+import java.util.EnumSet;
+import java.util.List;
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+import javax.persistence.EmbeddedId;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinColumns;
+import javax.persistence.ManyToOne;
+import javax.persistence.MapsId;
+import javax.persistence.Table;
+
+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.dialect.H2Dialect;
+import org.hibernate.tool.hbm2ddl.SchemaExport;
+import org.hibernate.tool.schema.TargetType;
+
+import org.hibernate.testing.RequiresDialect;
+import org.hibernate.testing.junit4.BaseUnitTestCase;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * @author Andrea Boriero
+ */
+@RequiresDialect(H2Dialect.class)
+public class ColumnLengthTest extends BaseUnitTestCase {
+
+	private StandardServiceRegistry ssr;
+	private File outputFile;
+	private MetadataImplementor metadata;
+
+	@Before
+	public void setUp() throws Exception {
+		outputFile = File.createTempFile( "update_script", ".sql" );
+		outputFile.deleteOnExit();
+
+		ssr = new StandardServiceRegistryBuilder()
+				.applySetting( Environment.HBM2DDL_AUTO, "none" )
+				.build();
+
+		metadata = (MetadataImplementor) new MetadataSources( ssr )
+				.addAnnotatedClass( Employee.class )
+				.addAnnotatedClass( Dependent.class )
+				.buildMetadata();
+		metadata.validate();
+	}
+
+	@After
+	public void tearDown() {
+		StandardServiceRegistryBuilder.destroy( ssr );
+	}
+
+	@Test
+	public void testTheColumnsLenghtAreApplied() throws Exception {
+		new SchemaExport()
+				.setOutputFile( outputFile.getAbsolutePath() )
+				.setDelimiter( ";" )
+				.setFormat( false )
+				.createOnly( EnumSet.of( TargetType.SCRIPT ), metadata );
+
+		List<String> commands = Files.readAllLines( outputFile.toPath() );
+
+		assertTrue( checkCommandIsGenerated(
+				commands,
+				"create table DEPENDENT (name varchar(255) not null, FK1 varchar(32) not null, FK2 varchar(10) not null, primary key (FK1, FK2, name));"
+		) );
+
+	}
+
+	boolean checkCommandIsGenerated(List<String> generatedCommands, String toCheck) {
+		for ( String command : generatedCommands ) {
+			if ( command.contains( toCheck ) ) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	@Embeddable
+	public class EmployeeId implements Serializable {
+		@Column(name = "first_name", length = 32)
+		String firstName;
+		@Column(name = "last_name", length = 10)
+		String lastName;
+	}
+
+	@Entity
+	@Table(name = "EMLOYEE")
+	public static class Employee {
+		@EmbeddedId
+		EmployeeId id;
+	}
+
+	@Embeddable
+	public class DependentId implements Serializable {
+		String name;
+		EmployeeId empPK;
+	}
+
+	@Entity
+	@Table(name = "DEPENDENT")
+	public static class Dependent {
+		@EmbeddedId
+		DependentId id;
+		@MapsId("empPK")
+		@JoinColumns({
+				@JoinColumn(name = "FK1", referencedColumnName = "first_name"),
+				@JoinColumn(name = "FK2", referencedColumnName = "last_name")
+		})
+		@ManyToOne
+		Employee emp;
+	}
+
+}