240 lines
7.8 KiB
Rust
240 lines
7.8 KiB
Rust
use axum::{Router, body::Body, routing::get};
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use common_telemetry::{
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error::AppError,
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response::AppResponse,
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telemetry::{self, TelemetryConfig},
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};
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use http::{Request, StatusCode};
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use serde_json::Value;
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use std::{fs, time::Duration};
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use tower::ServiceExt; // for oneshot
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// --- 模拟业务 Handler ---
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// 模拟场景1：Access Token 过期
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async fn handler_access_expired() -> Result<String, AppError> {
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// 模拟业务逻辑判断...
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Err(AppError::AccessTokenExpired)
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}
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// 模拟场景2：Refresh Token 过期
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async fn handler_refresh_expired() -> Result<String, AppError> {
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Err(AppError::RefreshTokenExpired)
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}
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// 模拟场景3：正常成功
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async fn handler_success() -> Result<String, AppError> {
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// 这里打印一条日志，测试 Tracing 是否工作
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tracing::info!(user_id = 10086, "User accessed success handler");
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Ok("Success Data".to_string())
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}
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async fn handler_success_wrapped() -> Result<AppResponse<String>, AppError> {
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Ok(AppResponse::ok("Success Data".to_string()))
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}
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async fn handler_bad_request() -> Result<String, AppError> {
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Err(AppError::BadRequest("bad params".into()))
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}
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#[cfg(feature = "with-validator")]
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async fn handler_validation_error() -> Result<String, AppError> {
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Err(AppError::ValidationError("field required".into()))
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}
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#[tokio::test]
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async fn test_full_flow_error_and_logging() {
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println!(">>> [Step 0] Test Initializing...");
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// 1. 准备环境：创建一个临时目录存放日志，防止污染项目
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let temp_dir = tempfile::tempdir().unwrap();
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let log_dir_path = temp_dir.path().to_str().unwrap().to_string();
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let log_filename = "test_app.log";
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// 2. 初始化 Tracing (模拟生产环境配置)
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let config = TelemetryConfig {
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service_name: "test-service".into(),
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log_level: "info".into(),
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log_to_file: true, // 开启文件写入
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log_dir: Some(log_dir_path.clone()),
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log_file: Some(log_filename.to_string()),
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};
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// !!! 必须持有 guard，否则日志不会写入
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let _guard = telemetry::init(config);
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// 给一点时间让 tracing 系统初始化
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tokio::time::sleep(Duration::from_millis(50)).await;
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// 3. 构建 Axum Router
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let app = Router::new()
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.route("/access-expired", get(handler_access_expired))
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.route("/refresh-expired", get(handler_refresh_expired))
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.route("/success", get(handler_success))
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.route("/success-wrapped", get(handler_success_wrapped))
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.route("/bad-request", get(handler_bad_request));
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#[cfg(feature = "with-validator")]
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let app = app.route("/validation-error", get(handler_validation_error));
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println!(">>> [Step 1] Running Case A: Access Token Expired...");
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// --- 测试用例 A: Access Token 过期 ---
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let response = app
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.clone()
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.oneshot(
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Request::builder()
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.uri("/access-expired")
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.body(Body::empty())
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.unwrap(),
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)
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.await
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.unwrap();
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// 验证 HTTP 状态码 (401)
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assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
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// 验证 JSON Body
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let body_bytes = axum::body::to_bytes(response.into_body(), usize::MAX)
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.await
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.unwrap();
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let body: Value = serde_json::from_slice(&body_bytes).unwrap();
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// 核心验证：code 必须是 20001 (BizCode::AccessTokenExpired)
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// 前端根据这个 code 进行静默刷新
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assert_eq!(body["code"], 20001);
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// --- 测试用例 B: Refresh Token 过期 ---
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println!(">>> [Step 2] Running Case B: Refresh Token Expired...");
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let response = app
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.clone()
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.oneshot(
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Request::builder()
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.uri("/refresh-expired")
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.body(Body::empty())
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.unwrap(),
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)
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.await
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.unwrap();
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assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
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let body_bytes = axum::body::to_bytes(response.into_body(), usize::MAX)
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.await
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.unwrap();
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let body: Value = serde_json::from_slice(&body_bytes).unwrap();
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// 核心验证：code 必须是 20002 (BizCode::RefreshTokenExpired)
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// 前端根据这个 code 强制登出
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assert_eq!(body["code"], 20002);
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// --- 测试用例 C: 验证日志文件是否生成 ---
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println!(">>> [Step 3] Running Case C: Log File Verification...");
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// 先请求一次成功接口，触发 tracing::info!
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let _ = app
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.clone()
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.oneshot(
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Request::builder()
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.uri("/success")
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.body(Body::empty())
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.unwrap(),
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)
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.await
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.unwrap();
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// --- 测试用例 D: 统一成功响应格式 ---
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println!(">>> [Step 4] Running Case D: Success Response Wrapper...");
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let response = app
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.clone()
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.oneshot(
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Request::builder()
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.uri("/success-wrapped")
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.body(Body::empty())
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.unwrap(),
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)
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.await
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.unwrap();
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assert_eq!(response.status(), StatusCode::OK);
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let body_bytes = axum::body::to_bytes(response.into_body(), usize::MAX)
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.await
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.unwrap();
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let body: Value = serde_json::from_slice(&body_bytes).unwrap();
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assert_eq!(body["code"], 0);
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assert_eq!(body["message"], "Success");
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assert_eq!(body["data"], "Success Data");
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// --- 测试用例 E: 错误响应 details 字段 ---
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println!(">>> [Step 5] Running Case E: Error Response Details...");
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let response = app
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.clone()
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.oneshot(
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Request::builder()
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.uri("/bad-request")
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.body(Body::empty())
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.unwrap(),
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)
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.await
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.unwrap();
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assert_eq!(response.status(), StatusCode::BAD_REQUEST);
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let body_bytes = axum::body::to_bytes(response.into_body(), usize::MAX)
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.await
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.unwrap();
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let body: Value = serde_json::from_slice(&body_bytes).unwrap();
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assert_eq!(body["code"], 30000);
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assert_eq!(body["details"], "bad params");
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#[cfg(feature = "with-validator")]
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{
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let response = app
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.clone()
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.oneshot(
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Request::builder()
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.uri("/validation-error")
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.body(Body::empty())
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.unwrap(),
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)
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.await
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.unwrap();
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assert_eq!(response.status(), StatusCode::BAD_REQUEST);
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let body_bytes = axum::body::to_bytes(response.into_body(), usize::MAX)
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.await
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.unwrap();
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let body: Value = serde_json::from_slice(&body_bytes).unwrap();
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assert_eq!(body["code"], 30001);
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assert_eq!(body["details"], "field required");
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}
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// 稍微等待异步日志写入磁盘
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println!(" Waiting for logs to flush...");
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tokio::time::sleep(Duration::from_millis(200)).await;
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// 验证文件
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let mut found_file = false;
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let paths = fs::read_dir(temp_dir.path()).unwrap();
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for path in paths {
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let entry = path.unwrap();
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let file_name = entry.file_name().into_string().unwrap();
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println!(" Found file in temp dir: {}", file_name);
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// tracing-appender 滚动日志通常格式为: filename.YYYY-MM-DD
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if file_name.starts_with(log_filename) {
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found_file = true;
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let content = fs::read_to_string(entry.path()).unwrap();
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println!(" Log Content Preview: {}", content.trim());
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assert!(
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content.contains("User accessed success handler"),
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"日志内容丢失！"
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);
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assert!(content.contains("\"user_id\":10086"), "结构化字段丢失！");
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}
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}
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assert!(found_file, "未在临时目录找到日志文件！");
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println!(" [Success] Case C Passed (Log file verified)");
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// temp_dir 会在作用域结束时自动删除清理
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}
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