add test

hutool-jwt/src/test/java/cn/hutool/jwt/Issue3732Test.java

@@ -0,0 +1,24 @@
+package cn.hutool.jwt;
+
+import cn.hutool.jwt.signers.JWTSigner;
+import cn.hutool.jwt.signers.JWTSignerUtil;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class Issue3732Test {
+	@Test
+	void hmacTest() {
+		final JWTSigner SIGNER = JWTSignerUtil.hs256("6sf2f5j2a62a3s8f9032hsf".getBytes());
+		Map<String, Object> payload = new HashMap<>();
+		payload.put("name", "test");
+		payload.put("role", "admin");
+
+		// 创建 JWT token
+		String token = JWTUtil.createToken(payload, SIGNER);
+		assertEquals("eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJyb2xlIjoiYWRtaW4iLCJuYW1lIjoidGVzdCJ9.pD3Xz41rtXvU3G1c_yS7ir01FXmDvtjjAOU2HYd8MdA", token);
+	}
+}