SpringBoot使用@SpringBootTest注解开发单元测试教程-编程学习网

概述

@SpringBootTest注解是SpringBoot自1.4.0版本开始引入的一个用于测试的注解。基本用法如下：

1.添加依赖：


<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.cxh.test</groupId>
  <artifactId>generator</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  
 <parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.1.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
 
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>
  
  <dependencies>
 
		 <!-- spring boot web 依赖 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
        </dependency>
        <!-- 修改后立即生效，热部署 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>springloaded</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>
        <!-- 视图 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        
         <!-- mybatis 依赖 -->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
        	<version>1.3.0</version>
        </dependency>
        <!-- mysql 依赖 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        	<version>5.0.4</version>
        </dependency>
        <!-- alibaba的druid数据库连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.9</version>
        </dependency>
 
        
	</dependencies>
  <dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Camden.SR6</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>
  <build/>
</project>

2. 编写启动入口类


package com.cxh.study.platform;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 

@SpringBootApplication
public class GeneratorApp {
 
	
	public static void main(String[] args) {
		SpringApplication.run(GeneratorApp.class, args);
	}
 
}

3. 编写Controller类


package com.cxh.study.platform;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 

@SpringBootApplication
public class GeneratorApp {
 
	
	public static void main(String[] args) {
		SpringApplication.run(GeneratorApp.class, args);
	}
 
}

4. 编写service类


package com.cxh.study.platform.service;
 
import java.util.List;
 
import com.cxh.study.platform.entity.User;
 
public interface IUserService {
 
	// 获取所有用户
	List<User> getAll();
 
	// 根据id获取用户
	User getUserById(Integer id);
}


package com.cxh.study.platform.service.impl;
 
import java.util.List;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import com.cxh.study.platform.entity.User;
import com.cxh.study.platform.mapper.IUserMapper;
import com.cxh.study.platform.service.IUserService;
 
@Service("userServiceImpl")
public class UserServiceImpl implements IUserService {
	
	@Autowired
	private IUserMapper userMapper;
 
	@Override
	public List<User> getAll() {
		return userMapper.getAll();
	}
 
	@Override
	public User getUserById(Integer id) {
		return userMapper.getUserById(id);
	}
 
}

5. 编写mapper类


package com.cxh.study.platform.mapper;
 
import java.util.List;
 
import org.apache.ibatis.annotations.Mapper;
 
import com.cxh.study.platform.entity.User;
 
@Mapper
public interface IUserMapper {
	//获取所有用户
	List<User>getAll();
	//根据id获取用户
	User getUserById(Integer id);
}


<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.cxh.study.platform.mapper.IUserMapper" >
	<!--获取所有用户  -->
	<select id="getAll" resultType="com.cxh.study.platform.entity.User">
		SELECT * FROM s_user
	</select>
	<!-- 根据id获取单个用户 -->
	<select id="getUserById" parameterType="java.lang.Integer" resultType="com.cxh.study.platform.entity.User">
		SELECT * FROM s_user
		where id=#{id}
	</select>
</mapper>

6. 编写测试类


package com.cxh.test;
 
import java.net.URL;
import java.util.List;
 
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.embedded.LocalServerPort;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.junit4.SpringRunner;
 
import com.cxh.study.platform.GeneratorApp;
import com.cxh.study.platform.entity.User;
 
 

@RunWith(SpringRunner.class)
@SpringBootTest(classes = GeneratorApp.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
public class UserTest {
	
	 
    @LocalServerPort
    private int port;
 
    private URL base;
 
    @Autowired
    private TestRestTemplate restTemplate;
 
    @Before
    public void setUp() throws Exception {
        String url = String.format("http://localhost:%d/", port);
        System.out.println(String.format("port is : [%d]", port));
        this.base = new URL(url);
    }
 
    
    //@Test
    public void test1() throws Exception {
 
        ResponseEntity<String> response = this.restTemplate.getForEntity(
                this.base.toString() + "/test", String.class, "");
        System.out.println(String.format("测试结果为：%s", response.getBody()));
    }
    
    //@Test
    public void getAllTest() throws Exception {
 
        ResponseEntity<List> response = this.restTemplate.getForEntity(
                this.base.toString() + "/getAll", List.class, "");
        System.out.println(String.format("测试结果为：%s", response.getBody()));
    }
    
    @Test
    public void getUserByIdTest() throws Exception {
 
        ResponseEntity<User> response = this.restTemplate.getForEntity(
                this.base.toString() + "/getUserById?id=1", User.class, "");
        System.out.println(String.format("测试结果为：%s", response.getBody().toString()));
    }
 
}

其中，classes属性指定启动类，SpringBootTest.WebEnvironment.RANDOM_PORT经常和测试类中@LocalServerPort一起在注入属性时使用。会随机生成一个端口号。

7.测试结果：

2019-02-19 16:18:27.933 INFO 6676 --- [ main] com.cxh.test.UserTest : Started UserTest in 25.637 seconds (JVM running for 27.647)

port is : [14067]

2019-02-19 16:18:31.366 INFO 6676 --- [o-auto-1-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring FrameworkServlet 'dispatcherServlet'

2019-02-19 16:18:31.367 INFO 6676 --- [o-auto-1-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization started

2019-02-19 16:18:31.462 INFO 6676 --- [o-auto-1-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization completed in 95 ms

测试结果为：User [id=1, account=cxh, password=123, type=1, status=1]

2019-02-19 16:18:35.326 INFO 6676 --- [ Thread-5] ationConfigEmbeddedWebApplicationContext : Closing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@191004a: startup date [Tue Feb 19 16:18:05 CST 2019]; root of context hierarchy

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文章详情

SpringBoot使用@SpringBootTest注解开发单元测试教程

目录

概述

1.添加依赖：

2. 编写启动入口类

3. 编写Controller类

4. 编写service类

5. 编写mapper类

6. 编写测试类

7.测试结果：

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