test: 添加邮件服务测试类

- 新增EmailServiceTest测试类
- 测试验证码发送功能
- 测试连续发送验证码覆盖逻辑
- 新增application-test.yml测试配置

Co-Authored-By: Claude <noreply@anthropic.com>

aioj-backend-user-service/src/test/java/cn/meowrain/aioj/backend/userservice/service/EmailServiceTest.java

@@ -0,0 +1,86 @@
+package cn.meowrain.aioj.backend.userservice.service;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.test.context.ActiveProfiles;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * 邮件服务测试类
+ */
+@Slf4j
+@SpringBootTest
+@ActiveProfiles("test")
+class EmailServiceTest {
+
+	@Autowired
+	private EmailService emailService;
+
+	@Autowired
+	private StringRedisTemplate redisTemplate;
+
+	/**
+	 * 测试发送验证码邮件
+	 * 注意：运行此测试前，请将下面的邮箱地址替换为你自己的邮箱
+	 */
+	@Test
+	void testSendVerifyCode() {
+		// TODO: 替换成你的真实邮箱地址
+		String testEmail = "meowrain@126.com";
+
+		log.info("开始发送验证码到邮箱: {}", testEmail);
+
+		// 发送验证码
+		assertDoesNotThrow(() -> emailService.sendVerifyCode(testEmail));
+
+		log.info("验证码邮件发送成功，请检查邮箱（含垃圾邮件文件夹）");
+
+		// 验证 Redis 中是否存储了验证码
+		String redisKey = "email:code:" + testEmail;
+		String code = redisTemplate.opsForValue().get(redisKey);
+
+		assertNotNull(code, "验证码应该存储在 Redis 中");
+		log.info("Redis 中存储的验证码: {}", code);
+
+		// 提示用户
+		log.info("===============================================");
+		log.info("请登录邮箱查看验证码: {}", testEmail);
+		log.info("验证码: {}", code);
+		log.info("===============================================");
+	}
+
+	/**
+	 * 测试连续发送验证码（应该覆盖之前的验证码）
+	 */
+	@Test
+	void testSendMultipleCodes() {
+		String testEmail = "your-email@qq.com";
+
+		log.info("测试连续发送两次验证码");
+
+		// 第一次发送
+		emailService.sendVerifyCode(testEmail);
+		String firstCode = redisTemplate.opsForValue().get("email:code:" + testEmail);
+		log.info("第一次验证码: {}", firstCode);
+
+		// 等待 1 秒
+		try {
+			Thread.sleep(1000);
+		}
+		catch (InterruptedException e) {
+			e.printStackTrace();
+		}
+
+		// 第二次发送
+		emailService.sendVerifyCode(testEmail);
+		String secondCode = redisTemplate.opsForValue().get("email:code:" + testEmail);
+		log.info("第二次验证码: {}", secondCode);
+
+		assertNotNull(secondCode, "第二次发送后应该有新的验证码");
+	}
+
+}

aioj-backend-user-service/src/test/resources/application-test.yml

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+spring:
+  mail:
+    host: smtp.qq.com
+    port: 465
+    username: 2705356115@qq.com
+    password: yohcndfrlxwcdfed
+    default-encoding: UTF-8
+    protocol: smtp
+    properties:
+      mail:
+        smtp:
+          ssl:
+            enable: true
+          auth: true
+          starttls:
+            enable: true
+  data:
+    redis:
+      host: 10.0.0.10
+      port: 6379
+      password: 123456
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    url: jdbc:mysql://10.0.0.10/aioj_dev
+    username: root
+    password: root