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SpringBoot MockMvc单元测试的示例代码

为何使用mockmvc?

对模块进行集成测试时,希望能够通过输入url对controller进行测试,如果通过启动服务器,建立http client进行测试,这样会使得测试变得很麻烦,比如,启动速度慢,测试验证不方便,依赖网络环境等,所以为了可以对controller进行测试,我们引入了mockmvc。

mockmvc实现了对http请求的模拟,能够直接使用网络的形式,转换到controller的调用,这样可以使得测试速度快、不依赖网络环境,而且提供了一套验证的工具,这样可以使得请求的验证统一而且很方便。

mockmvcbuilder

mockmvc是spring测试下的一个非常好用的类,他们的初始化需要在setup中进行。

mockmvcbuilder是用来构造mockmvc的构造器,其主要有两个实现:standalonemockmvcbuilder和defaultmockmvcbuilder,前者继承了后者。

① mockmvcbuilders.webappcontextsetup(webapplicationcontext context):指定webapplicationcontext,将会从该上下文获取相应的控制器并得到相应的mockmvc;

② mockmvcbuilders.standalonesetup(object... controllers):通过参数指定一组控制器,这样就不需要从上下文获取了,比如this.mockmvc = mockmvcbuilders.standalonesetup(this.controller).build();

这些builder还提供了其他api,可以自行百度

1.添加测试依赖

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<project xmlns= "http://maven.apache.org/pom/4.0.0" xmlns:xsi= "http://HdhCmsTestw3.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>top.ytheng</groupid>

  <artifactid>springboot-demo</artifactid>

  <version> 0.0 . 1 -snapshot</version>

  <packaging>jar</packaging>

 

  <parent>

     <groupid>org.springframework.boot</groupid>

     <artifactid>spring-boot-starter-parent</artifactid>

     <version> 2.0 . 5 .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>

     <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>

       <scope>test</scope>

     </dependency>

    

     <dependency>

       <groupid>org.springframework.boot</groupid>

       <artifactid>spring-boot-starter-thymeleaf</artifactid>

     </dependency>

    

     <dependency>

       <groupid>org.springframework.boot</groupid>

       <artifactid>spring-boot-devtools</artifactid>

       <optional> true </optional>

        <scope> true </scope>

     </dependency>

   </dependencies>

 

   <build>

     <plugins>

       <plugin>

         <groupid>org.springframework.boot</groupid>

         <artifactid>spring-boot-maven-plugin</artifactid>

       </plugin>

     </plugins>

   </build>

</project>

2.添加mocmvc测试类

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package top.ytheng.demo;

 

import org.junit.test;

import org.junit.runner.runwith;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.boot.test.autoconfigure.web.servlet.autoconfiguremockmvc;

import org.springframework.boot.test.context.springboottest;

import org.springframework.test.context.junit4.springrunner;

import org.springframework.test.web.servlet.mockmvc;

import org.springframework.test.web.servlet.mvcresult;

import org.springframework.test.web.servlet.request.mockmvcrequestbuilders;

import org.springframework.test.web.servlet.result.mockmvcresultmatchers;

 

//底层用junit springjunit4classrunner

@runwith (springrunner. class )

//启动整个springboot工程

@springboottest (classes= {demoapplication. class })

//鼠标选中springboottestdemo后执行run as -> junit test可以同时执行多个测试

@autoconfiguremockmvc

public class mockmvctestdemo {

  

   @autowired

   private mockmvc mockmvc;

  

   @test

   public void mocktest() throws exception {

     mvcresult mockresult = mockmvc.perform(mockmvcrequestbuilders.get( "/file/testpath" )).

         andexpect(mockmvcresultmatchers.status().isok()).andreturn();

     int status = mockresult.getresponse().getstatus();

     system.out.println(status);

   }

}

3.添加测试控制器

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package top.ytheng.demo.controller;

 

import org.springframework.stereotype.controller;

import org.springframework.web.bind.annotation.requestmapping;

import org.springframework.web.bind.annotation.responsebody;

 

@controller

@requestmapping ( "/file" )

public class filecontroller {

  

   @requestmapping ( "/testpath" )

   @responsebody

   private object testpath() {

     return filepath;

   }

 

}

4.添加启动类

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package top.ytheng.demo;

import org.springframework.boot.springapplication;

import org.springframework.boot.autoconfigure.springbootapplication;

@springbootapplication //等于下面3个

//@springbootconfiguration

//@enableautoconfiguration

//@componentscan

public class demoapplication {

 

   public static void main(string[] args) {

     springapplication.run(demoapplication. class , args);

   }

}

5.鼠标选中mockmvctestdemo类名,使用快捷键启动junit测试(shift + alt + x,t),进行测试

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

原文链接:http://HdhCmsTestcnblogs测试数据/tianhengblogs/p/9768857.html

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