[Feature] Support Deepseek-VL2 (#2798)

Co-authored-by: Edenzzzz <wtan45@wisc.edu>
Co-authored-by: Chayenne <zhaochen20@outlook.com>
Co-authored-by: Yi Zhang <1109276519@qq.com>

test/srt/test_vision_openai_server.py

@@ -513,6 +513,30 @@ class TestMinicpmvServer(TestOpenAIVisionServer):
         cls.base_url += "/v1"
 
 
+class TestDeepseekVL2Server(TestOpenAIVisionServer):
+    @classmethod
+    def setUpClass(cls):
+        cls.model = "deepseek-ai/deepseek-vl2-small"
+        cls.base_url = DEFAULT_URL_FOR_TEST
+        cls.api_key = "sk-123456"
+        cls.process = popen_launch_server(
+            cls.model,
+            cls.base_url,
+            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
+            other_args=[
+                "--trust-remote-code",
+                "--chat-template",
+                "deepseek-vl2",
+                "--context-length",
+                "4096",
+            ],
+        )
+        cls.base_url += "/v1"
+
+    def test_video_chat_completion(self):
+        pass
+
+
 class TestJanusProServer(TestOpenAIVisionServer):
     @classmethod
     def setUpClass(cls):