JUNIT5+Mockito单元测试

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#单元测试

于 2024-03-13 17:10:08 首次发布

本文详细介绍了在SpringBoot3.1.0和JDK21环境下，如何使用Junit5和Mockito进行单元测试，包括Maven依赖管理和针对UserService、UserManagerImpl和UserRepositoryImpl的测试用例示例。

文章目录

1、前言
2、Maven依赖
3、业务代码
4、单元测试

1、前言

之前写过一篇使用testMe自动生成单元测试用例，使用的是junit4来编写的单元测试用例，目前很多新项目都已经使用JDK11+以及SpringBoot3+。本次基于junit5+Mockito来编写单元测试。

2、Maven依赖

2.1 JDK21+SpringBoot版本基于3.1.0

SpringBoot依赖

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.1.0</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

 <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>
            <exclusions>
                <exclusion>
                    <groupId>org.objenesis</groupId>
                    <artifactId>objenesis</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

mockito依赖

<!--junit5单元测试-->
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-junit-jupiter</artifactId>
            <version>5.3.1</version>
        </dependency>
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
            <version>5.3.1</version>
        </dependency>

lombok依赖

<dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>edge-SNAPSHOT</version>
        </dependency>

2.2 JDK17+SpringBoot版本基于2.2.5.RELEASE

SpringBoot依赖

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.5.RELEASE</version>
    </parent>

Junit依赖

<dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter</artifactId>
            <version>5.8.2</version>
        </dependency>

mockito依赖

<dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
            <version>5.2.0</version>
            <exclusions>
                <exclusion>
                    <groupId>net.bytebuddy</groupId>
                    <artifactId>byte-buddy</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>net.bytebuddy</groupId>
                    <artifactId>byte-buddy-agent</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-junit-jupiter</artifactId>
            <version>5.2.0</version>
        </dependency>
        <dependency>
            <groupId>net.bytebuddy</groupId>
            <artifactId>byte-buddy</artifactId>
            <version>1.14.1</version>
        </dependency>
        <dependency>
            <groupId>net.bytebuddy</groupId>
            <artifactId>byte-buddy-agent</artifactId>
            <version>1.14.1</version>
        </dependency>

lombok依赖