fix: 校验顺序改路径字典序(显示直观) + 测试时序稳定性

tests/test_transfer.py

@@ -2,6 +2,7 @@
 import re
 import os
 import subprocess
+import time
 import sys
 
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
@@ -328,6 +329,11 @@ def test_pause_sends_sigstop(tmp_path):
     r.proc = p
     r.pause()
     assert r._paused is True
+    # SIGSTOP 异步生效, 等待状态变 T
+    for _ in range(20):
+        if _proc_state(p.pid) == "T":
+            break
+        time.sleep(0.05)
     assert _proc_state(p.pid) == "T"  # T = stopped
     p.kill()
     p.wait()

transfer.py

@@ -115,8 +115,10 @@ def verify_recent_files(src_dir: str, dst_dir: str, check_count: int = 5,
             full = os.path.join(root, name)
             recent.append((os.path.getmtime(full), os.path.relpath(full, dst_dir)))
     recent.sort(reverse=True)
-    total = min(check_count, len(recent))
-    for idx, (_mtime, rel) in enumerate(recent[:check_count], 1):
+    # 选择最新 N 个 (按 mtime), 校验/显示顺序按路径字典序 (直观连续)
+    selected = sorted(rel for _mtime, rel in recent[:check_count])
+    total = len(selected)
+    for idx, rel in enumerate(selected, 1):
         sp = os.path.join(src_dir, rel)
         tp = os.path.join(dst_dir, rel)
         if not os.path.isfile(sp):