/*
* Copyright 2012-2016 the original author or authors.
*
* 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.springframework.boot.autoconfigure.jdbc.metadata;
import java.sql.Connection;
import java.sql.SQLException;
import org.junit.Test;
import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.ConnectionCallback;
import org.springframework.jdbc.core.JdbcTemplate;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Abstract base class for {@link DataSourcePoolMetadata} tests.
*
* @param <D> the data source pool metadata type
* @author Stephane Nicoll
*/
public abstract class AbstractDataSourcePoolMetadataTests<D extends AbstractDataSourcePoolMetadata<?>> {
/**
* Return a data source metadata instance with a min size of 0 and max size of 2.
* @return the data source metadata
*/
protected abstract D getDataSourceMetadata();
@Test
public void getMaxPoolSize() {
assertThat(getDataSourceMetadata().getMax()).isEqualTo(Integer.valueOf(2));
}
@Test
public void getMinPoolSize() {
assertThat(getDataSourceMetadata().getMin()).isEqualTo(Integer.valueOf(0));
}
@Test
public void getPoolSizeNoConnection() {
// Make sure the pool is initialized
JdbcTemplate jdbcTemplate = new JdbcTemplate(
getDataSourceMetadata().getDataSource());
jdbcTemplate.execute(new ConnectionCallback<Void>() {
@Override
public Void doInConnection(Connection connection)
throws SQLException, DataAccessException {
return null;
}
});
assertThat(getDataSourceMetadata().getActive()).isEqualTo(Integer.valueOf(0));
assertThat(getDataSourceMetadata().getUsage()).isEqualTo(Float.valueOf(0));
}
@Test
public void getPoolSizeOneConnection() {
JdbcTemplate jdbcTemplate = new JdbcTemplate(
getDataSourceMetadata().getDataSource());
jdbcTemplate.execute(new ConnectionCallback<Void>() {
@Override
public Void doInConnection(Connection connection)
throws SQLException, DataAccessException {
assertThat(getDataSourceMetadata().getActive())
.isEqualTo(Integer.valueOf(1));
assertThat(getDataSourceMetadata().getUsage())
.isEqualTo(Float.valueOf(0.5F));
return null;
}
});
}
@Test
public void getPoolSizeTwoConnections() {
final JdbcTemplate jdbcTemplate = new JdbcTemplate(
getDataSourceMetadata().getDataSource());
jdbcTemplate.execute(new ConnectionCallback<Void>() {
@Override
public Void doInConnection(Connection connection)
throws SQLException, DataAccessException {
jdbcTemplate.execute(new ConnectionCallback<Void>() {
@Override
public Void doInConnection(Connection connection)
throws SQLException, DataAccessException {
assertThat(getDataSourceMetadata().getActive()).isEqualTo(2);
assertThat(getDataSourceMetadata().getUsage()).isEqualTo(1.0f);
return null;
}
});
return null;
}
});
}
@Test
public abstract void getValidationQuery();
protected DataSourceBuilder initializeBuilder() {
return DataSourceBuilder.create().driverClassName("org.hsqldb.jdbc.JDBCDriver")
.url("jdbc:hsqldb:mem:test").username("sa");
}
}