extensions/entitystore-sql/src/test/java/org/apache/zest/entitystore/sql/DerbySQLEntityStoreTest.java

/*
 * Copyright (c) 2010, Paul Merlin. All Rights Reserved.
 * Copyright (c) 2010, Stanislav Muhametsin. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.apache.zest.entitystore.sql;

import java.io.File;
import java.sql.Connection;
import java.sql.Statement;
import javax.sql.DataSource;
import org.apache.derby.iapi.services.io.FileUtil;
import org.apache.zest.api.common.Visibility;
import org.apache.zest.api.unitofwork.UnitOfWork;
import org.apache.zest.api.usecase.UsecaseBuilder;
import org.apache.zest.bootstrap.AssemblyException;
import org.apache.zest.bootstrap.ModuleAssembly;
import org.apache.zest.entitystore.sql.assembly.DerbySQLEntityStoreAssembler;
import org.apache.zest.entitystore.sql.internal.SQLs;
import org.apache.zest.library.sql.assembly.DataSourceAssembler;
import org.apache.zest.library.sql.common.SQLConfiguration;
import org.apache.zest.library.sql.dbcp.DBCPDataSourceServiceAssembler;
import org.apache.zest.test.EntityTestAssembler;
import org.apache.zest.test.entity.AbstractEntityStoreTest;
import org.apache.zest.valueserialization.orgjson.OrgJsonValueSerializationAssembler;

public class DerbySQLEntityStoreTest
    extends AbstractEntityStoreTest
{
    @Override
    // START SNIPPET: assembly
    public void assemble( ModuleAssembly module )
        throws AssemblyException
    {
        // END SNIPPET: assembly
        super.assemble( module );
        ModuleAssembly config = module.layer().module( "config" );
        new EntityTestAssembler().assemble( config );
        new OrgJsonValueSerializationAssembler().assemble( module );

        // START SNIPPET: assembly
        // DataSourceService
        new DBCPDataSourceServiceAssembler().
            identifiedBy( "derby-datasource-service" ).
            visibleIn( Visibility.module ).
            withConfig( config, Visibility.layer ).
            assemble( module );

        // DataSource
        new DataSourceAssembler().
            withDataSourceServiceIdentity( "derby-datasource-service" ).
            identifiedBy( "derby-datasource" ).
            visibleIn( Visibility.module ).
            withCircuitBreaker().
            assemble( module );

        // SQL EntityStore
        new DerbySQLEntityStoreAssembler().
            visibleIn( Visibility.application ).
            withConfig( config, Visibility.layer ).
            assemble( module );
    }
    // END SNIPPET: assembly

    @Override
    public void tearDown()
        throws Exception
    {
        UnitOfWork uow = this.module.newUnitOfWork( UsecaseBuilder.newUsecase(
            "Delete " + getClass().getSimpleName() + " test data" ) );
        try
        {
            SQLConfiguration config = uow.get( SQLConfiguration.class,
                                               DerbySQLEntityStoreAssembler.DEFAULT_ENTITYSTORE_IDENTITY );
            Connection connection = module.findService( DataSource.class ).get().getConnection();
            connection.setAutoCommit( false );
            String schemaName = config.schemaName().get();
            if( schemaName == null )
            {
                schemaName = SQLs.DEFAULT_SCHEMA_NAME;
            }
            try( Statement stmt = connection.createStatement() )
            {
                stmt.execute( String.format( "DELETE FROM %s." + SQLs.TABLE_NAME, schemaName ) );
                connection.commit();
            }
            FileUtil.removeDirectory( new File( "target/qi4j-data" ) );
        }
        finally
        {
            uow.discard();
            super.tearDown();
        }
    }

}