Fix router test (#4483)

python/sglang/test/test_utils.py

@@ -10,6 +10,7 @@ import threading
 import time
 import unittest
 from concurrent.futures import ThreadPoolExecutor
+from dataclasses import dataclass
 from functools import partial
 from types import SimpleNamespace
 from typing import Callable, List, Optional, Tuple
@@ -453,7 +454,13 @@ def run_with_timeout(
     return ret_value[0]
 
 
-def run_unittest_files(files: List, timeout_per_file: float):
+@dataclass
+class TestFile:
+    name: str
+    estimated_time: float = 60
+
+
+def run_unittest_files(files: List[TestFile], timeout_per_file: float):
     tic = time.time()
     success = True
 

sgl-router/py_test/run_suite.py

 import argparse
 import glob
 
-from sglang.test.test_utils import run_unittest_files
+from sglang.test.test_utils import TestFile, run_unittest_files
 
 if __name__ == "__main__":
     arg_parser = argparse.ArgumentParser()
@@ -15,5 +15,6 @@ if __name__ == "__main__":
 
     files = glob.glob("**/test_*.py", recursive=True)
 
-    exit_code = run_unittest_files(files, args.timeout_per_file)
+    test_files = [TestFile(name=file) for file in files]
+    exit_code = run_unittest_files(test_files, args.timeout_per_file)
     exit(exit_code)

sgl-router/src/router.rs

@@ -267,19 +267,20 @@ impl Router {
                 match sync_client.get(&format!("{}/health", url)).send() {
                     Ok(res) => {
                         if !res.status().is_success() {
-                            info!(
-                                "Worker {} health check is pending with status: {}.",
-                                url,
+                            let msg = format!(
+                                "Worker heatlh check is pending with status {}",
                                 res.status()
                             );
+                            info!("{}", msg);
                             all_healthy = false;
-                            unhealthy_workers.push((url, format!("Status: {}", res.status())));
+                            unhealthy_workers.push((url, msg));
                         }
                     }
-                    Err(e) => {
-                        info!("Worker {} health check is pending with error: {}", url, e);
+                    Err(_) => {
+                        let msg = format!("Worker is not ready yet");
+                        info!("{}", msg);
                         all_healthy = false;
-                        unhealthy_workers.push((url, format!("Error: {}", e)));
+                        unhealthy_workers.push((url, msg));
                     }
                 }
             }
@@ -288,7 +289,7 @@ impl Router {
                 info!("All workers are healthy");
                 return Ok(());
             } else {
-                info!("Unhealthy workers:");
+                info!("Initializing workers:");
                 for (url, reason) in &unhealthy_workers {
                     info!("  {} - {}", url, reason);
                 }

test/lang/run_suite.py

 import argparse
 import glob
-from dataclasses import dataclass
-
-from sglang.test.test_utils import run_unittest_files
-
-
-@dataclass
-class TestFile:
-    name: str
-    estimated_time: float = 60
 
+from sglang.test.test_utils import TestFile, run_unittest_files
 
 suites = {
     "per-commit": [