[Tests] fix config checking tests (#7247)

* debig

* cast tuples to lists.

* debug

* handle upcast attention

* handle downblock types for vae.

* remove print.

* address Dhruv's comments.

* fix: upblock types.

* upcast attention

* debug

* debug

* debug

* better guarding.

* style

src/diffusers/loaders/single_file_utils.py

@@ -462,8 +462,8 @@ def create_unet_diffusers_config(original_config, image_size: int):
     config = {
         "sample_size": image_size // vae_scale_factor,
         "in_channels": unet_params["in_channels"],
-        "down_block_types": tuple(down_block_types),
-        "block_out_channels": tuple(block_out_channels),
+        "down_block_types": down_block_types,
+        "block_out_channels": block_out_channels,
         "layers_per_block": unet_params["num_res_blocks"],
         "cross_attention_dim": context_dim,
         "attention_head_dim": head_dim,
@@ -482,7 +482,7 @@ def create_unet_diffusers_config(original_config, image_size: int):
         config["num_class_embeds"] = unet_params["num_classes"]
 
     config["out_channels"] = unet_params["out_channels"]
-    config["up_block_types"] = tuple(up_block_types)
+    config["up_block_types"] = up_block_types
 
     return config
 
@@ -530,9 +530,9 @@ def create_vae_diffusers_config(original_config, image_size, scaling_factor=None
         "sample_size": image_size,
         "in_channels": vae_params["in_channels"],
         "out_channels": vae_params["out_ch"],
-        "down_block_types": tuple(down_block_types),
-        "up_block_types": tuple(up_block_types),
-        "block_out_channels": tuple(block_out_channels),
+        "down_block_types": down_block_types,
+        "up_block_types": up_block_types,
+        "block_out_channels": block_out_channels,
         "latent_channels": vae_params["z_channels"],
         "layers_per_block": vae_params["num_res_blocks"],
         "scaling_factor": scaling_factor,

tests/pipelines/stable_diffusion_xl/test_stable_diffusion_xl.py

@@ -1088,6 +1088,8 @@ class StableDiffusionXLPipelineIntegrationTests(unittest.TestCase):
         for param_name, param_value in single_file_pipe.unet.config.items():
             if param_name in PARAMS_TO_IGNORE:
                 continue
+            if param_name == "upcast_attention" and pipe.unet.config[param_name] is None:
+                pipe.unet.config[param_name] = False
             assert (
                 pipe.unet.config[param_name] == param_value
             ), f"{param_name} is differs between single file loading and pretrained loading"