org.springframework.boot.autoconfigure.jdbc.CommonsDataSourceConfigurationTests.java Source code

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Here is the source code for org.springframework.boot.autoconfigure.jdbc.CommonsDataSourceConfigurationTests.java

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/*
 * Copyright 2012-2014 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;

import javax.sql.DataSource;

import org.apache.commons.dbcp.BasicDataSource;
import org.apache.commons.pool.impl.GenericObjectPool;
import org.junit.Test;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.test.EnvironmentTestUtils;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

/**
 * Tests for {@link CommonsDataSourceConfiguration}.
 *
 * @author Dave Syer
 */
public class CommonsDataSourceConfigurationTests {

    private static final String PREFIX = "spring.datasource.";

    private final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();

    @Test
    public void testDataSourceExists() throws Exception {
        this.context.register(CommonsDataSourceConfiguration.class);
        this.context.refresh();
        assertNotNull(this.context.getBean(DataSource.class));
        this.context.close();
    }

    @Test
    public void testDataSourcePropertiesOverridden() throws Exception {
        this.context.register(CommonsDataSourceConfiguration.class);
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "url:jdbc:foo//bar/spam");
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "testWhileIdle:true");
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "testOnBorrow:true");
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "testOnReturn:true");
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "timeBetweenEvictionRunsMillis:10000");
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "minEvictableIdleTimeMillis:12345");
        EnvironmentTestUtils.addEnvironment(this.context, PREFIX + "maxWait:1234");
        this.context.refresh();
        BasicDataSource ds = this.context.getBean(BasicDataSource.class);
        assertEquals("jdbc:foo//bar/spam", ds.getUrl());
        assertTrue(ds.getTestWhileIdle());
        assertTrue(ds.getTestOnBorrow());
        assertTrue(ds.getTestOnReturn());
        assertEquals(10000, ds.getTimeBetweenEvictionRunsMillis());
        assertEquals(12345, ds.getMinEvictableIdleTimeMillis());
        assertEquals(1234, ds.getMaxWait());
    }

    @Test
    public void testDataSourceDefaultsPreserved() throws Exception {
        this.context.register(CommonsDataSourceConfiguration.class);
        this.context.refresh();
        BasicDataSource ds = this.context.getBean(BasicDataSource.class);
        assertEquals(GenericObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,
                ds.getTimeBetweenEvictionRunsMillis());
        assertEquals(GenericObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS, ds.getMinEvictableIdleTimeMillis());
        assertEquals(GenericObjectPool.DEFAULT_MAX_WAIT, ds.getMaxWait());
    }

    @Configuration
    @EnableConfigurationProperties
    protected static class CommonsDataSourceConfiguration {

        @Bean
        @ConfigurationProperties(prefix = DataSourceProperties.PREFIX)
        public DataSource dataSource() {
            return DataSourceBuilder.create().type(BasicDataSource.class).build();
        }

    }

}