Move SDXL T2I Adapter lora test into PEFT workflow (#6965)

update

Author: DN6

tests/lora/test_lora_layers_peft.py

@@ -37,8 +37,10 @@
     EulerDiscreteScheduler,
     LCMScheduler,
     StableDiffusionPipeline,
+    StableDiffusionXLAdapterPipeline,
     StableDiffusionXLControlNetPipeline,
     StableDiffusionXLPipeline,
+    T2IAdapter,
     UNet2DConditionModel,
 )
 from diffusers.utils.import_utils import is_accelerate_available, is_peft_available
@@ -2175,7 +2177,7 @@ def test_sd_load_civitai_empty_network_alpha(self):
         self.assertTrue(np.allclose(images, expected, atol=1e-3))
         release_memory(pipeline)
 
-    def test_canny_lora(self):
+    def test_controlnet_canny_lora(self):
         controlnet = ControlNetModel.from_pretrained("diffusers/controlnet-canny-sdxl-1.0")
 
         pipe = StableDiffusionXLControlNetPipeline.from_pretrained(
@@ -2199,6 +2201,34 @@ def test_canny_lora(self):
         assert np.allclose(original_image, expected_image, atol=1e-04)
         release_memory(pipe)
 
+    def test_sdxl_t2i_adapter_canny_lora(self):
+        adapter = T2IAdapter.from_pretrained("TencentARC/t2i-adapter-lineart-sdxl-1.0", torch_dtype=torch.float16).to(
+            "cpu"
+        )
+        pipe = StableDiffusionXLAdapterPipeline.from_pretrained(
+            "stabilityai/stable-diffusion-xl-base-1.0",
+            adapter=adapter,
+            torch_dtype=torch.float16,
+            variant="fp16",
+        )
+        pipe.load_lora_weights("CiroN2022/toy-face", weight_name="toy_face_sdxl.safetensors")
+        pipe.enable_model_cpu_offload()
+        pipe.set_progress_bar_config(disable=None)
+
+        generator = torch.Generator(device="cpu").manual_seed(0)
+        prompt = "toy"
+        image = load_image(
+            "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/t2i_adapter/toy_canny.png"
+        )
+
+        images = pipe(prompt, image=image, generator=generator, output_type="np", num_inference_steps=3).images
+
+        assert images[0].shape == (768, 512, 3)
+
+        image_slice = images[0, -3:, -3:, -1].flatten()
+        expected_slice = np.array([0.4284, 0.4337, 0.4319, 0.4255, 0.4329, 0.4280, 0.4338, 0.4420, 0.4226])
+        assert numpy_cosine_similarity_distance(image_slice, expected_slice) < 1e-4
+
     @nightly
     def test_sequential_fuse_unfuse(self):
         pipe = DiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-xl-base-1.0", torch_dtype=torch.float16)

tests/pipelines/stable_diffusion_xl/test_stable_diffusion_xl_adapter.py

@@ -672,34 +672,6 @@ def tearDown(self):
         gc.collect()
         torch.cuda.empty_cache()
 
-    def test_canny_lora(self):
-        adapter = T2IAdapter.from_pretrained("TencentARC/t2i-adapter-lineart-sdxl-1.0", torch_dtype=torch.float16).to(
-            "cpu"
-        )
-        pipe = StableDiffusionXLAdapterPipeline.from_pretrained(
-            "stabilityai/stable-diffusion-xl-base-1.0",
-            adapter=adapter,
-            torch_dtype=torch.float16,
-            variant="fp16",
-        )
-        pipe.load_lora_weights("CiroN2022/toy-face", weight_name="toy_face_sdxl.safetensors")
-        pipe.enable_model_cpu_offload()
-        pipe.set_progress_bar_config(disable=None)
-
-        generator = torch.Generator(device="cpu").manual_seed(0)
-        prompt = "toy"
-        image = load_image(
-            "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/t2i_adapter/toy_canny.png"
-        )
-
-        images = pipe(prompt, image=image, generator=generator, output_type="np", num_inference_steps=3).images
-
-        assert images[0].shape == (768, 512, 3)
-
-        image_slice = images[0, -3:, -3:, -1].flatten()
-        expected_slice = np.array([0.4284, 0.4337, 0.4319, 0.4255, 0.4329, 0.4280, 0.4338, 0.4420, 0.4226])
-        assert numpy_cosine_similarity_distance(image_slice, expected_slice) < 1e-4
-
     def test_download_ckpt_diff_format_is_same(self):
         ckpt_path = (
             "https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0/blob/main/sd_xl_base_1.0.safetensors"