[Test] Serving flux2_image_edit test add ulysses-anything test (#641)

* ud

* ud

* Revert serving-side resolution alignment; rely on Ulysses Anything Attention

* ud

* ud

* ud

Author: BBuf

tests/serving/test_flux2_image_edit_serving.py

@@ -1,3 +1,16 @@
+"""
+CUDA_VISIBLE_DEVICES=4,5,6,7 torchrun --nproc_per_node=4 \
+  -m cache_dit.serve.serve \
+  --model-path black-forest-labs/FLUX.2-dev \
+  --parallel-type ulysses \
+  --parallel-text-encoder \
+  --quantize-type float8_wo \
+  --attn _flash_3 \
+  --cache \
+  --compile \
+  --ulysses-anything
+"""
+
 import os
 import requests
 import base64
@@ -22,27 +35,19 @@ def call_api(prompt, image_urls=None, name="test", **kwargs):
     if image_urls:
         payload["image_urls"] = image_urls
 
-    try:
-        response = requests.post(url, json=payload, timeout=300)
-        response.raise_for_status()
-
-        result = response.json()
-
-        if "images" not in result or len(result["images"]) == 0:
-            return None
-
-        img_data = base64.b64decode(result["images"][0])
-        img = Image.open(BytesIO(img_data))
+    response = requests.post(url, json=payload, timeout=300)
+    response.raise_for_status()
+    result = response.json()
+    assert "images" in result and len(result["images"]) > 0, "No images in response"
 
-        filename = f"{name}.png"
-        img.save(filename)
+    img_data = base64.b64decode(result["images"][0])
+    img = Image.open(BytesIO(img_data))
 
-        print(f"Saved: {filename}")
-        return filename
+    filename = f"{name}.png"
+    img.save(filename)
 
-    except Exception as e:
-        print(f"Error: {e}")
-        return None
+    print(f"Saved: {filename} ({img.size[0]}x{img.size[1]})")
+    return filename
 
 
 def test_single():
@@ -89,8 +94,22 @@ def test_text():
     )
 
 
+def test_text_ulysses_bad_resolution_regression():
+    filename = call_api(
+        prompt="A beautiful landscape with mountains and lakes",
+        name="text_gen_724x1080",
+        width=724,
+        height=1080,
+        num_inference_steps=8,
+    )
+    img = Image.open(filename)
+    assert img.size == (720, 1080)
+    return filename
+
+
 if __name__ == "__main__":
     test_single()
     test_multi()
     test_base64()
     test_text()
+    test_text_ulysses_bad_resolution_regression()