优化目录结构

backend/src/test/java/com/openisle/controller/HelloControllerTest.java

@@ -0,0 +1,68 @@
+package com.openisle.controller;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import com.openisle.config.CustomAccessDeniedHandler;
+import com.openisle.config.SecurityConfig;
+import com.openisle.service.JwtService;
+import com.openisle.repository.UserRepository;
+import com.openisle.service.UserVisitService;
+import com.openisle.model.Role;
+import com.openisle.model.User;
+import java.util.Optional;
+import org.mockito.Mockito;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(HelloController.class)
+@AutoConfigureMockMvc
+@Import({SecurityConfig.class, CustomAccessDeniedHandler.class})
+class HelloControllerTest {
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockBean
+    private JwtService jwtService;
+    @MockBean
+    private UserRepository userRepository;
+    @MockBean
+    private UserVisitService userVisitService;
+
+    @Test
+    void helloReturnsMessage() throws Exception {
+        Mockito.when(jwtService.validateAndGetSubject("token")).thenReturn("user");
+        User user = new User();
+        user.setUsername("user");
+        user.setPassword("p");
+        user.setEmail("u@example.com");
+        user.setRole(Role.USER);
+        Mockito.when(userRepository.findByUsername("user")).thenReturn(Optional.of(user));
+
+        mockMvc.perform(get("/api/hello").header("Authorization", "Bearer token"))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.message").value("Hello, Authenticated User"));
+    }
+
+    @Test
+    void helloMissingToken() throws Exception {
+        mockMvc.perform(get("/api/hello"))
+                .andExpect(status().isUnauthorized())
+                .andExpect(jsonPath("$.error").value("Missing token"));
+    }
+
+    @Test
+    void helloInvalidToken() throws Exception {
+        Mockito.when(jwtService.validateAndGetSubject("bad")).thenThrow(new RuntimeException());
+
+        mockMvc.perform(get("/api/hello").header("Authorization", "Bearer bad"))
+                .andExpect(status().isUnauthorized())
+                .andExpect(jsonPath("$.error").value("Invalid or expired token"));
+    }
+}