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

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

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/*
 * Copyright 2012-2015 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 java.util.Set;

import javax.naming.Context;
import javax.naming.NamingException;
import javax.sql.DataSource;

import org.apache.commons.dbcp2.BasicDataSource;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import org.springframework.beans.DirectFieldAccessor;
import org.springframework.boot.autoconfigure.jndi.JndiPropertiesHidingClassLoader;
import org.springframework.boot.autoconfigure.jndi.TestableInitialContextFactory;
import org.springframework.boot.test.EnvironmentTestUtils;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.jmx.export.MBeanExporter;

import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;

/**
 * Tests for {@link JndiDataSourceAutoConfiguration}
 *
 * @author Andy Wilkinson
 */
public class JndiDataSourceAutoConfigurationTests {

    private ClassLoader threadContextClassLoader;

    private String initialContextFactory;

    private AnnotationConfigApplicationContext context;

    @Before
    public void setupJndi() {
        this.initialContextFactory = System.getProperty(Context.INITIAL_CONTEXT_FACTORY);
        System.setProperty(Context.INITIAL_CONTEXT_FACTORY, TestableInitialContextFactory.class.getName());
    }

    @Before
    public void setupThreadContextClassLoader() {
        this.threadContextClassLoader = Thread.currentThread().getContextClassLoader();
        Thread.currentThread()
                .setContextClassLoader(new JndiPropertiesHidingClassLoader(getClass().getClassLoader()));
    }

    @After
    public void close() {
        TestableInitialContextFactory.clearAll();
        if (this.initialContextFactory != null) {
            System.setProperty(Context.INITIAL_CONTEXT_FACTORY, this.initialContextFactory);
        } else {
            System.clearProperty(Context.INITIAL_CONTEXT_FACTORY);
        }
        if (this.context != null) {
            this.context.close();
        }
        Thread.currentThread().setContextClassLoader(this.threadContextClassLoader);
    }

    @Test
    public void dataSourceIsAvailableFromJndi() throws IllegalStateException, NamingException {
        DataSource dataSource = new BasicDataSource();
        configureJndi("foo", dataSource);

        this.context = new AnnotationConfigApplicationContext();
        EnvironmentTestUtils.addEnvironment(this.context, "spring.datasource.jndi-name:foo");
        this.context.register(JndiDataSourceAutoConfiguration.class);
        this.context.refresh();

        assertEquals(dataSource, this.context.getBean(DataSource.class));
    }

    @SuppressWarnings("unchecked")
    @Test
    public void mbeanDataSourceIsExcludedFromExport() throws IllegalStateException, NamingException {
        DataSource dataSource = new BasicDataSource();
        configureJndi("foo", dataSource);

        this.context = new AnnotationConfigApplicationContext();
        EnvironmentTestUtils.addEnvironment(this.context, "spring.datasource.jndi-name:foo");
        this.context.register(JndiDataSourceAutoConfiguration.class, MBeanExporterConfiguration.class);
        this.context.refresh();

        assertEquals(dataSource, this.context.getBean(DataSource.class));
        MBeanExporter exporter = this.context.getBean(MBeanExporter.class);
        Set<String> excludedBeans = (Set<String>) new DirectFieldAccessor(exporter)
                .getPropertyValue("excludedBeans");
        assertThat(excludedBeans, contains("dataSource"));
    }

    @SuppressWarnings("unchecked")
    @Test
    public void standardDataSourceIsNotExcludedFromExport() throws IllegalStateException, NamingException {
        DataSource dataSource = new org.apache.commons.dbcp.BasicDataSource();
        configureJndi("foo", dataSource);

        this.context = new AnnotationConfigApplicationContext();
        EnvironmentTestUtils.addEnvironment(this.context, "spring.datasource.jndi-name:foo");
        this.context.register(JndiDataSourceAutoConfiguration.class, MBeanExporterConfiguration.class);
        this.context.refresh();

        assertEquals(dataSource, this.context.getBean(DataSource.class));
        MBeanExporter exporter = this.context.getBean(MBeanExporter.class);
        Set<String> excludedBeans = (Set<String>) new DirectFieldAccessor(exporter)
                .getPropertyValue("excludedBeans");
        assertThat(excludedBeans, hasSize(0));
    }

    private void configureJndi(String name, DataSource dataSource) throws IllegalStateException, NamingException {
        TestableInitialContextFactory.bind(name, dataSource);
    }

    private static class MBeanExporterConfiguration {

        @Bean
        MBeanExporter mbeanExporter() {
            return new MBeanExporter();
        }
    }

}