feat: 解决python虚拟环境问题

backend/tests/runs.rs

@@ -275,6 +275,77 @@ async fn manual_script_run_captures_exit_code_and_logs() {
     app.state.shutdown();
 }
 
+#[tokio::test]
+async fn auto_detected_venv_injects_activation_environment() {
+    let app = test_app().await;
+    let project = app._temp_dir.path().join("project");
+    let working_dir = project.join("src");
+    let venv = project.join(".venv");
+    std::fs::create_dir_all(&working_dir).unwrap();
+    std::fs::create_dir_all(venv.join("Scripts")).unwrap();
+    std::fs::write(venv.join("pyvenv.cfg"), "home = C:\\Python").unwrap();
+    let command_shell = std::env::var_os("COMSPEC")
+        .map(std::path::PathBuf::from)
+        .unwrap_or_else(|| std::path::PathBuf::from("C:\\Windows\\System32\\cmd.exe"));
+    std::fs::copy(command_shell, venv.join("Scripts").join("python.exe")).unwrap();
+
+    let task = json!({
+        "id": "venv_task",
+        "name": "Venv task",
+        "cron": "0 0 2 * * *",
+        "timeout_secs": 5,
+        "action": {
+            "type": "script",
+            "working_dir": working_dir,
+            "interpreter": "python.exe",
+            "script": "/C",
+            "args": [
+                "echo",
+                "VIRTUAL=%VIRTUAL_ENV%;UNBUFFERED=%PYTHONUNBUFFERED%;HOME=%PYTHONHOME%;CUSTOM=%CUSTOM%"
+            ],
+            "env": {
+                "PYTHONHOME": "C:\\wrong-python-home",
+                "PYTHONUNBUFFERED": "0",
+                "CUSTOM": "yes"
+            }
+        }
+    });
+    let create_response = send_json(&app.router, Method::POST, "/api/v1/tasks", Some(task)).await;
+    assert_eq!(create_response.status(), StatusCode::CREATED);
+    let run = send_json(
+        &app.router,
+        Method::POST,
+        "/api/v1/tasks/venv_task/run",
+        None,
+    )
+    .await;
+    let run_id = response_json(run).await["id"].as_i64().unwrap();
+    assert_eq!(
+        wait_for_run(&app.router, run_id).await["status"],
+        "succeeded"
+    );
+    let log = response_json(
+        send_json(
+            &app.router,
+            Method::GET,
+            &format!("/api/v1/runs/{run_id}/logs"),
+            None,
+        )
+        .await,
+    )
+    .await;
+    let content = log["content"].as_str().unwrap();
+    assert!(
+        content.contains(&format!(
+            "VIRTUAL={};UNBUFFERED=1;HOME=%PYTHONHOME%;CUSTOM=yes",
+            venv.display()
+        )),
+        "unexpected venv log output: {content}"
+    );
+    assert!(!content.contains("wrong-python-home"));
+    app.state.shutdown();
+}
+
 #[tokio::test]
 async fn http_and_process_executors_run_through_the_api() {
     let app = test_app().await;