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

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

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/*
 * 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;

import java.util.Random;

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.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.test.util.EnvironmentTestUtils;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcOperations;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcOperations;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Tests for {@link JdbcTemplateAutoConfiguration}.
 *
 * @author Dave Syer
 * @author Stephane Nicoll
 * @author Kazuki Shimizu
 * @since 1.4.0
 */
public class JdbcTemplateAutoConfigurationTests {

    private final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();

    @Before
    public void init() {
        EmbeddedDatabaseConnection.override = null;
        EnvironmentTestUtils.addEnvironment(this.context, "spring.datasource.initialize:false",
                "spring.datasource.url:jdbc:hsqldb:mem:testdb-" + new Random().nextInt());
    }

    @After
    public void restore() {
        EmbeddedDatabaseConnection.override = null;
        this.context.close();
    }

    @Test
    public void testJdbcTemplateExists() throws Exception {
        this.context.register(DataSourceAutoConfiguration.class, JdbcTemplateAutoConfiguration.class,
                PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        JdbcTemplate jdbcTemplate = this.context.getBean(JdbcTemplate.class);
        assertThat(jdbcTemplate).isNotNull();
        assertThat(jdbcTemplate.getDataSource()).isNotNull();
    }

    @Test
    public void testJdbcTemplateExistsWithCustomDataSource() throws Exception {
        this.context.register(TestDataSourceConfiguration.class, DataSourceAutoConfiguration.class,
                JdbcTemplateAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        JdbcTemplate jdbcTemplate = this.context.getBean(JdbcTemplate.class);
        assertThat(jdbcTemplate).isNotNull();
        assertThat(jdbcTemplate.getDataSource() instanceof BasicDataSource).isTrue();
    }

    @Test
    public void testNamedParameterJdbcTemplateExists() throws Exception {
        this.context.register(DataSourceAutoConfiguration.class, JdbcTemplateAutoConfiguration.class,
                PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        assertThat(this.context.getBean(NamedParameterJdbcOperations.class)).isNotNull();
    }

    @Test
    public void testMultiDataSource() throws Exception {
        this.context.register(MultiDataSourceConfiguration.class, DataSourceAutoConfiguration.class,
                JdbcTemplateAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        assertThat(this.context.getBeansOfType(JdbcOperations.class)).isEmpty();
        assertThat(this.context.getBeansOfType(NamedParameterJdbcOperations.class)).isEmpty();
    }

    @Test
    public void testMultiDataSourceUsingPrimary() throws Exception {
        this.context.register(MultiDataSourceUsingPrimaryConfiguration.class, DataSourceAutoConfiguration.class,
                JdbcTemplateAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        assertThat(this.context.getBean(JdbcOperations.class)).isNotNull();
        assertThat(this.context.getBean(NamedParameterJdbcOperations.class)).isNotNull();
    }

    @Test
    public void testExistingCustomJdbcTemplate() throws Exception {
        this.context.register(CustomConfiguration.class, DataSourceAutoConfiguration.class,
                JdbcTemplateAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        assertThat(this.context.getBean(JdbcOperations.class))
                .isEqualTo(this.context.getBean("customJdbcOperations"));
    }

    @Test
    public void testExistingCustomNamedParameterJdbcTemplate() throws Exception {
        this.context.register(CustomConfiguration.class, DataSourceAutoConfiguration.class,
                JdbcTemplateAutoConfiguration.class, PropertyPlaceholderAutoConfiguration.class);
        this.context.refresh();
        assertThat(this.context.getBean(NamedParameterJdbcOperations.class))
                .isEqualTo(this.context.getBean("customNamedParameterJdbcOperations"));
    }

    @Configuration
    static class CustomConfiguration {

        @Bean
        public JdbcOperations customJdbcOperations(DataSource dataSource) {
            return new JdbcTemplate(dataSource);
        }

        @Bean
        public NamedParameterJdbcOperations customNamedParameterJdbcOperations(DataSource dataSource) {
            return new NamedParameterJdbcTemplate(dataSource);
        }

    }

    @Configuration
    static class TestDataSourceConfiguration {

        @Bean
        public DataSource dataSource() {
            return new TestDataSource("overridedb");
        }

    }

}