spring boot junit如何测试邮件发送

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作者
筋斗云
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在Spring Boot中,可以使用Mockito来模拟邮件发送功能,并使用JUnit来编写测试用例。下面是一个简单的示例:

首先,在Spring Boot项目中添加相关依赖:

<dependency>     <groupId>org.springframework.boot</groupId>     <artifactId>spring-boot-starter-mail</artifactId> </dependency> <dependency>     <groupId>org.mockito</groupId>     <artifactId>mockito-core</artifactId>     <version>3.11.0</version>     <scope>test</scope> </dependency> 

然后编写一个邮件发送服务:

@Service public class EmailService {      @Autowired     private JavaMailSender javaMailSender;      public void sendEmail(String to, String subject, String body) {         SimpleMailMessage message = new SimpleMailMessage();         message.setTo(to);         message.setSubject(subject);         message.setText(body);         javaMailSender.send(message);     } } 

接下来编写一个测试用例:

@RunWith(MockitoJUnitRunner.class) public class EmailServiceTest {      @Mock     private JavaMailSender javaMailSender;      @InjectMocks     private EmailService emailService;      @Test     public void testSendEmail() {         emailService.sendEmail("test@example.com", "Test Subject", "Test Body");          ArgumentCaptor<SimpleMailMessage> captor = ArgumentCaptor.forClass(SimpleMailMessage.class);         verify(javaMailSender).send(captor.capture());          SimpleMailMessage message = captor.getValue();         assertEquals("test@example.com", message.getTo()[0]);         assertEquals("Test Subject", message.getSubject());         assertEquals("Test Body", message.getText());     } } 

在上面的测试用例中,我们使用Mockito来模拟JavaMailSender并验证发送邮件的行为。通过ArgumentCaptor来捕获发送的邮件内容,并进行断言验证。

这样就可以使用JUnit来测试邮件发送功能了。

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