add file

Change-Id: I49ce6d06ec46cbe679e4b8771031461047c704bb
diff --git a/src/test/java/com/g9/g9backend/controller/FileControllerTest.java b/src/test/java/com/g9/g9backend/controller/FileControllerTest.java
new file mode 100644
index 0000000..a8b3d01
--- /dev/null
+++ b/src/test/java/com/g9/g9backend/controller/FileControllerTest.java
@@ -0,0 +1,82 @@
+package com.g9.g9backend.controller;
+
+import com.g9.g9backend.pojo.TorrentRecord;
+import com.g9.g9backend.service.TorrentRecordService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+
+import static org.mockito.Mockito.verify;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.multipart;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+import static org.hamcrest.Matchers.containsString;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
+public class FileControllerTest {
+
+    private MockMvc mockMvc;
+
+    @InjectMocks
+    private FileController fileController;
+
+    @Mock
+    private TorrentRecordService torrentRecordService;
+
+    @BeforeEach
+    public void setup() {
+        MockitoAnnotations.openMocks(this);
+        mockMvc = MockMvcBuilders.standaloneSetup(fileController).build();
+    }
+
+    // 测试上传文件接口(模拟 multipart/form-data)
+    @Test
+    public void testUploadFile_success() throws Exception {
+        MockMultipartFile mockFile = new MockMultipartFile(
+                "file",                // 参数名,必须为 file
+                "test.txt",            // 文件名
+                "text/plain",          // MIME 类型
+                "test content".getBytes(StandardCharsets.UTF_8) // 内容
+        );
+
+        mockMvc.perform(multipart("/file").file(mockFile))
+                .andExpect(status().isOk())
+                .andExpect(content().string(containsString("http://localhost:65/")));
+    }
+
+    // 测试上传 BT 文件接口
+    @Test
+    public void testUploadBTFile_success() throws Exception {
+        TorrentRecord record = new TorrentRecord();
+        record.setTorrentRecordId(1);
+        record.setTorrentUrl("test.torrent");
+        record.setInfoHash("abc123");
+        record.setUploaderUserId(1);
+        record.setUploadTime(new Date());
+
+        // 模拟 post 请求,传 json 数据
+        mockMvc.perform(post("/file/bt")
+                        .contentType("application/json")
+                        .content("""
+                                {
+                                  "torrentRecordId": 1,
+                                  "torrentUrl": "test.torrent",
+                                  "infoHash": "abc123",
+                                  "uploaderUserId": 1,
+                                  "uploadTime": "2025-06-09T10:00:00"
+                                }
+                                """))
+                .andExpect(status().isOk());
+
+        // 验证 service 是否调用
+        verify(torrentRecordService).save(org.mockito.ArgumentMatchers.any(TorrentRecord.class));
+    }
+}