extensions/entitystore-sql/src/test/java/org/apache/polygene/entitystore/sql/PostgreSQLEntityStoreTestSuite.java

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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
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package org.apache.polygene.entitystore.sql;

import java.sql.Connection;
import java.sql.Statement;
import javax.sql.DataSource;
import org.apache.polygene.api.common.Visibility;
import org.apache.polygene.api.service.ServiceFinder;
import org.apache.polygene.api.structure.Module;
import org.apache.polygene.api.unitofwork.UnitOfWork;
import org.apache.polygene.api.unitofwork.UnitOfWorkFactory;
import org.apache.polygene.api.usecase.UsecaseBuilder;
import org.apache.polygene.bootstrap.ModuleAssembly;
import org.apache.polygene.entitystore.sql.assembly.PostgreSQLEntityStoreAssembler;
import org.apache.polygene.library.sql.assembly.DataSourceAssembler;
import org.apache.polygene.library.sql.common.SQLConfiguration;
import org.apache.polygene.library.sql.datasource.DataSourceConfiguration;
import org.apache.polygene.library.sql.dbcp.DBCPDataSourceServiceAssembler;
import org.apache.polygene.test.docker.DockerRule;
import org.apache.polygene.test.entity.model.EntityStoreTestSuite;
import org.junit.ClassRule;

import static org.apache.polygene.entitystore.sql.assembly.PostgreSQLEntityStoreAssembler.DEFAULT_ENTITYSTORE_IDENTITY;

public class PostgreSQLEntityStoreTestSuite extends EntityStoreTestSuite
{
    @ClassRule
    public static final DockerRule DOCKER = new DockerRule( "postgres",
                                                            10000L,
                                                            "PostgreSQL init process complete; ready for start up." );

    @Override
    protected void defineStorageModule( ModuleAssembly module )
    {
        module.defaultServices();
        // DataSourceService
        new DBCPDataSourceServiceAssembler()
            .identifiedBy( "postgresql-datasource-service" )
            .visibleIn( Visibility.module )
            .withConfig( configModule, Visibility.application )
            .assemble( module );

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

        // SQL EntityStore
        new PostgreSQLEntityStoreAssembler()
            .visibleIn( Visibility.application )
            .withConfig( configModule, Visibility.application )
            .assemble( module );

        String host = DOCKER.getDockerHost();
        int port = DOCKER.getExposedContainerPort( "5432/tcp" );
        configModule.forMixin( DataSourceConfiguration.class ).declareDefaults()
                    .url().set( "jdbc:postgresql://" + host + ":" + port + "/jdbc_test_db" );
        // START SNIPPET: assembly
    }
    // END SNIPPET: assembly

    @Override
    public void tearDown()
        throws Exception
    {
        Module storageModule = application.findModule( "Infrastructure Layer", "Storage Module" );
        UnitOfWorkFactory uowf = storageModule.unitOfWorkFactory();
        ServiceFinder serviceFinder = storageModule.serviceFinder();
        UnitOfWork uow = uowf.newUnitOfWork(
            UsecaseBuilder.newUsecase( "Delete " + getClass().getSimpleName() + " test data" )
                                           );
        try
        {
            SQLConfiguration config = uow.get( SQLConfiguration.class, DEFAULT_ENTITYSTORE_IDENTITY );
            Connection connection = serviceFinder.findService( DataSource.class ).get().getConnection();
            connection.setAutoCommit( false );
            String schemaName = config.schemaName().get();
            try( Statement stmt = connection.createStatement() )
            {
                stmt.execute( String.format( "DROP SCHEMA \"%s\" CASCADE", schemaName ) );
                connection.commit();
            }
        }
        finally
        {
            uow.discard();
            super.tearDown();
        }
    }
}