fix: 修复参数传递问题并更新测试单元

tests/trainer/test_callbacks.py

@@ -10,15 +10,15 @@ def test_callback_integration(base_test_env, random_dataset):
         total_steps=20
     )
     
-    optimizer = torch.optim.AdamW(base_test_env["model"].parameters())
-    scheduler = SchedulerFactory.load(optimizer, schedule_config)
+    optimizer_fn = lambda model: torch.optim.AdamW(model.parameters())
+    scheduler_fn = lambda optim: SchedulerFactory.load(optim, schedule_config)
     
     train_config = TrainConfig(
         model=base_test_env["model"],
         strategy='seq',
         dataset=random_dataset,
-        optimizer=optimizer,
-        scheduler=scheduler,
+        optimizer_fn=optimizer_fn,
+        scheduler_fn=scheduler_fn,
         checkpoint_dir=base_test_env["test_dir"],
         n_epoch=1,
         batch_size=2,

tests/trainer/test_early_stopping.py

@@ -9,15 +9,16 @@ def test_early_stopping_simulation(base_test_env, early_stopping_dataset):
     """Simulate early stopping behavior"""
     
     schedule_config = CosineScheduleConfig(warmup_steps=10, total_steps=20)
-    optimizer = torch.optim.AdamW(base_test_env["model"].parameters())
-    scheduler = SchedulerFactory.load(optimizer, schedule_config)
+    
+    optimizer_fn = lambda model: torch.optim.AdamW(model.parameters())
+    scheduler_fn = lambda optim: SchedulerFactory.load(optim, schedule_config)
     
     train_config = TrainConfig(
         strategy="seq",
-        scheduler=scheduler,
+        optimizer_fn=optimizer_fn,
+        scheduler_fn=scheduler_fn,
         model=base_test_env["model"],
         dataset=early_stopping_dataset,
-        optimizer=optimizer,
         checkpoint_dir=base_test_env["test_dir"],
         n_epoch=2,
         batch_size=2,

tests/trainer/test_trainer.py

@@ -15,14 +15,15 @@ def test_different_batch_sizes(base_test_env, random_dataset):
             warmup_steps=10,
             total_steps=20
         )
-        optimizer = torch.optim.AdamW(base_test_env["model"].parameters())
-        scheduler = SchedulerFactory.load(optimizer, schedule_config)
+        optimizer_fn = lambda model: torch.optim.AdamW(model.parameters())
+        scheduler_fn = lambda optim: SchedulerFactory.load(optim, schedule_config)
+        
         train_config = TrainConfig(
             strategy="seq",
             model=base_test_env["model"],
             dataset=random_dataset,
-            optimizer=optimizer,
-            scheduler=scheduler,
+            optimizer_fn=optimizer_fn,
+            scheduler_fn=scheduler_fn,
             checkpoint_dir=base_test_env["test_dir"],
             n_epoch=1,
             batch_size=batch_size,
@@ -43,13 +44,14 @@ def test_gradient_accumulation(base_test_env, random_dataset):
             warmup_steps=10,
             total_steps=20
         )
-        optimizer = torch.optim.AdamW(base_test_env["model"].parameters())
-        scheduler = SchedulerFactory.load(optimizer, schedule_config)
+        optimizer_fn = lambda model: torch.optim.AdamW(model.parameters())
+        scheduler_fn = lambda optim: SchedulerFactory.load(optim, schedule_config)
+        
         train_config = TrainConfig(
             strategy="seq",
             model=base_test_env["model"],
-            optimizer=optimizer,
-            scheduler=scheduler,
+            optimizer_fn=optimizer_fn,
+            scheduler_fn=scheduler_fn,
             dataset=random_dataset,
             checkpoint_dir=base_test_env["test_dir"],
             n_epoch=1,
@@ -79,14 +81,15 @@ def test_memory_efficient_training(base_test_env, random_dataset):
             warmup_steps=10,
             total_steps=20
         )
-        optimizer = torch.optim.AdamW(base_test_env["model"].parameters())
-        scheduler = SchedulerFactory.load(optimizer, schedule_config)
+        optimizer_fn = lambda model: torch.optim.AdamW(model.parameters())
+        scheduler_fn = lambda optim: SchedulerFactory.load(optim, schedule_config)
+        
         train_config = TrainConfig(
             strategy="seq",
             model=base_test_env["model"],
             dataset=random_dataset,
-            optimizer=optimizer,
-            scheduler=scheduler,
+            optimizer_fn=optimizer_fn,
+            scheduler_fn=scheduler_fn,
             checkpoint_dir=base_test_env["test_dir"],
             n_epoch=1,
             batch_size=config["batch_size"],