1919810

tests/test_training_ui.py

@@ -424,6 +424,23 @@ def test_describe_process_progress_and_eta():
     assert ended["remaining_s"] is None
 
 
+def test_describe_process_curriculum_transfer_uses_delta_steps():
+    """--init 课程迁移：计数器从上一阶段继续，进度/ETA 必须按本次增量算。"""
+    snapshot = {
+        "status": "running", "elapsed_s": 10.0,
+        "config": {"timesteps": 8000, "max_wall_s": 3600.0},
+        "metrics": [{"timesteps": 110000, "start_timesteps": 109776, "fps": 50.0},
+                    {"timesteps": 111776, "start_timesteps": 109776, "fps": 50.0}],
+        "convergence": {}, "log_total": 2, "metric_total": 2,
+    }
+    process = td.describe_process(snapshot)
+    assert process["done_steps"] == 111776      # 绝对计数照实显示
+    assert process["start_steps"] == 109776
+    assert process["trained_steps"] == 2000     # 本次增量
+    assert process["percent"] == 25.0           # 而不是被夹到 100%
+    assert process["remaining_s"] == pytest.approx(120.0, rel=1e-6)
+
+
 def test_demo_snapshot_contract():
     for scenario in demo.DEMO_SCENARIOS:
         snapshot = demo.demo_snapshot(scenario=scenario)