Add tests to check /v1/responses

Author: openingnow

tools/server/tests/requirements.txt

@@ -2,7 +2,7 @@ aiohttp~=3.9.3
 pytest~=8.3.3
 huggingface_hub>=0.34.0,<1.0
 numpy~=1.26.4
-openai~=1.55.3
+openai~=2.14.0
 prometheus-client~=0.20.0
 requests~=2.32.3
 wget~=3.2

tools/server/tests/unit/test_compat_oai_responses.py

@@ -0,0 +1,49 @@
+import pytest
+from openai import OpenAI
+import openai
+from utils import *
+
+server: ServerProcess
+
+@pytest.fixture(autouse=True)
+def create_server():
+    global server
+    server = ServerPreset.tinyllama2()
+
+def test_responses_with_openai_library():
+    global server
+    server.start()
+    client = OpenAI(api_key="dummy", base_url=f"http://{server.server_host}:{server.server_port}/v1")
+    res = client.responses.create(
+        model="gpt-4.1",
+        input=[
+            {"role": "system", "content": "Book"},
+            {"role": "user", "content": "What is the best book"},
+        ],
+        max_output_tokens=8,
+        temperature=0.8,
+    )
+    assert match_regex("(Suddenly)+", res.output_text)
+
+def test_responses_stream_with_openai_library():
+    global server
+    server.start()
+    client = OpenAI(api_key="dummy", base_url=f"http://{server.server_host}:{server.server_port}/v1")
+    stream = client.responses.create(
+        model="gpt-4.1",
+        input=[
+            {"role": "system", "content": "Book"},
+            {"role": "user", "content": "What is the best book"},
+        ],
+        max_output_tokens=8,
+        temperature=0.8,
+        stream=True,
+    )
+
+    gathered_text = ''
+    for r in stream:
+        if type(r) == openai.types.responses.response_text_delta_event.ResponseTextDeltaEvent:
+            gathered_text += r.delta
+        if type(r) == openai.types.responses.response_completed_event.ResponseCompletedEvent:
+            assert gathered_text == r.response.output_text
+            assert match_regex("(Suddenly)+", r.response.output_text)