Make Qwen Image 2.1 the production image worker

dev/test_qwen_image_worker.py

@@ -0,0 +1,47 @@
+import importlib.util
+import os
+import pathlib
+import unittest
+
+
+os.environ.setdefault("WORKER_TOKEN", "x" * 48)
+PATH = (pathlib.Path(__file__).parents[1]
+        / "platform/docker/qwen-image-worker/qwen_image_worker.py")
+SPEC = importlib.util.spec_from_file_location("qwen_image_worker", PATH)
+worker = importlib.util.module_from_spec(SPEC)
+assert SPEC and SPEC.loader
+SPEC.loader.exec_module(worker)
+
+
+class QwenImageWorkerTests(unittest.TestCase):
+    def test_text_to_image_uses_empty_latent(self):
+        workflow = worker.make_workflow("test", 7, 25, 1024, 1024, [], "job")
+        self.assertEqual(workflow["6"]["inputs"]["latent_image"], ["5", 0])
+        self.assertIn("5", workflow)
+        self.assertNotIn("vae", workflow["4"]["inputs"])
+
+    def test_edit_uses_reference_latent_and_qwen_dynamic_inputs(self):
+        workflow = worker.make_workflow(
+            "edit <image1>", 7, 25, 1024, 1024,
+            ["job-ref-1.png", "job-ref-2.jpg"], "job")
+        encode = workflow["4"]["inputs"]
+        self.assertEqual(workflow["6"]["inputs"]["latent_image"], ["4", 2])
+        self.assertEqual(encode["vae"], ["3", 0])
+        self.assertEqual(encode["image_1"], ["9", 0])
+        self.assertEqual(encode["image_2"], ["10", 0])
+        self.assertNotIn("5", workflow)
+
+    def test_router_contract_is_fixed_to_production_parameters(self):
+        request = {
+            "prompt": "test", "filename": "result.png", "width": 1024,
+            "height": 1024, "steps": 25, "guidance": 1.0, "seed": 42,
+        }
+        self.assertEqual(worker.validate_request(request)[1:],
+                         ("result.png", 1024, 1024, 25, 1.0, 42))
+        request["steps"] = 4
+        with self.assertRaisesRegex(ValueError, "steps=25"):
+            worker.validate_request(request)
+
+
+if __name__ == "__main__":
+    unittest.main()