/*
* 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;
import java.io.File;
import java.nio.file.Files;
import java.util.EnumSet;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.spi.MetadataImplementor;
import org.hibernate.cfg.Environment;
import org.hibernate.dialect.Dialect;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.hibernate.tool.schema.TargetType;
import org.hibernate.testing.DialectChecks;
import org.hibernate.testing.RequiresDialectFeature;
import org.hibernate.testing.ServiceRegistryBuilder;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
/**
* @author Gail Badner
*/
public class SchemaExportTest extends BaseUnitTestCase {
private boolean doesDialectSupportDropTableIfExist() {
return Dialect.getDialect().supportsIfExistsAfterTableName() || Dialect.getDialect()
.supportsIfExistsBeforeTableName();
}
protected ServiceRegistry serviceRegistry;
protected MetadataImplementor metadata;
@Before
public void setUp() {
serviceRegistry = ServiceRegistryBuilder.buildServiceRegistry( Environment.getProperties() );
metadata = (MetadataImplementor) new MetadataSources( serviceRegistry )
.addResource( "org/hibernate/test/schemaupdate/mapping.hbm.xml" )
.buildMetadata();
metadata.validate();
new SchemaExport().drop( EnumSet.of( TargetType.DATABASE, TargetType.STDOUT ), metadata );
}
@After
public void tearDown() {
ServiceRegistryBuilder.destroy( serviceRegistry );
serviceRegistry = null;
}
@Test
public void testCreateAndDropOnlyType() {
final SchemaExport schemaExport = new SchemaExport();
// create w/o dropping first; (OK because tables don't exist yet
schemaExport.execute( EnumSet.of( TargetType.DATABASE ), SchemaExport.Action.CREATE, metadata );
assertEquals( 0, schemaExport.getExceptions().size() );
// create w/o dropping again; should cause an exception because the tables exist already
schemaExport.execute( EnumSet.of( TargetType.DATABASE ), SchemaExport.Action.CREATE, metadata );
assertEquals( 1, schemaExport.getExceptions().size() );
// drop tables only
schemaExport.execute( EnumSet.of( TargetType.DATABASE ), SchemaExport.Action.DROP, metadata );
assertEquals( 0, schemaExport.getExceptions().size() );
}
@Test
public void testBothType() {
final SchemaExport schemaExport = new SchemaExport();
// drop before create (nothing to drop yeT)
schemaExport.execute( EnumSet.of( TargetType.DATABASE ), SchemaExport.Action.DROP, metadata );
if ( doesDialectSupportDropTableIfExist() ) {
assertEquals( 0, schemaExport.getExceptions().size() );
}
else {
assertEquals( 1, schemaExport.getExceptions().size() );
}
// drop before create again (this time drops the tables before re-creating)
schemaExport.execute( EnumSet.of( TargetType.DATABASE ), SchemaExport.Action.BOTH, metadata );
int exceptionCount = schemaExport.getExceptions().size();
if ( doesDialectSupportDropTableIfExist() ) {
assertEquals( 0, exceptionCount);
}
// drop tables
schemaExport.execute( EnumSet.of( TargetType.DATABASE ), SchemaExport.Action.DROP, metadata );
assertEquals( 0, schemaExport.getExceptions().size() );
}
@Test
public void testGenerateDdlToFile() {
final SchemaExport schemaExport = new SchemaExport();
java.io.File outFile = new java.io.File("schema.ddl");
schemaExport.setOutputFile( outFile.getPath() );
// do not script to console or export to database
schemaExport.execute( EnumSet.of( TargetType.SCRIPT ), SchemaExport.Action.DROP, metadata );
if ( doesDialectSupportDropTableIfExist() && schemaExport.getExceptions().size() > 0 ) {
assertEquals( 2, schemaExport.getExceptions().size() );
}
assertTrue( outFile.exists() );
//check file is not empty
assertTrue( outFile.length() > 0 );
outFile.delete();
}
@Test
public void testCreateAndDrop() {
final SchemaExport schemaExport = new SchemaExport();
// should drop before creating, but tables don't exist yet
schemaExport.create( EnumSet.of( TargetType.DATABASE ), metadata );
if ( doesDialectSupportDropTableIfExist() ) {
assertEquals( 0, schemaExport.getExceptions().size() );
}
else {
assertEquals( 1, schemaExport.getExceptions().size() );
}
// call create again; it should drop tables before re-creating
schemaExport.create( EnumSet.of( TargetType.DATABASE ), metadata );
assertEquals( 0, schemaExport.getExceptions().size() );
// drop the tables
schemaExport.drop( EnumSet.of( TargetType.DATABASE ), metadata );
assertEquals( 0, schemaExport.getExceptions().size() );
}
@Test
@TestForIssue(jiraKey = "HHH-10678")
@RequiresDialectFeature( value = DialectChecks.SupportSchemaCreation.class)
public void testHibernateMappingSchemaPropertyIsNotIgnored() throws Exception {
File output = File.createTempFile( "update_script", ".sql" );
output.deleteOnExit();
final MetadataImplementor metadata = (MetadataImplementor) new MetadataSources( serviceRegistry )
.addResource( "org/hibernate/test/schemaupdate/mapping2.hbm.xml" )
.buildMetadata();
metadata.validate();
final SchemaExport schemaExport = new SchemaExport();
schemaExport.setOutputFile( output.getAbsolutePath() );
schemaExport.execute( EnumSet.of( TargetType.SCRIPT ), SchemaExport.Action.CREATE, metadata );
String fileContent = new String( Files.readAllBytes( output.toPath() ) );
assertThat( fileContent, fileContent.toLowerCase().contains( "create table schema1.version" ), is( true ) );
}
}