Added LiteLLM to the stack

Development/litellm/tests/test_litellm/llms/hosted_vllm/chat/test_hosted_vllm_chat_transformation.py

@@ -0,0 +1,103 @@
+import json
+import os
+import sys
+from unittest.mock import AsyncMock, MagicMock, patch
+
+import httpx
+import pytest
+
+sys.path.insert(
+    0, os.path.abspath("../../../../..")
+)  # Adds the parent directory to the system path
+
+from litellm.llms.hosted_vllm.chat.transformation import HostedVLLMChatConfig
+
+
+def test_hosted_vllm_chat_transformation_file_url():
+    config = HostedVLLMChatConfig()
+    video_url = "https://example.com/video.mp4"
+    video_data = f"data:video/mp4;base64,{video_url}"
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                {
+                    "type": "file",
+                    "file": {
+                        "file_data": video_data,
+                    },
+                }
+            ],
+        }
+    ]
+    transformed_response = config.transform_request(
+        model="hosted_vllm/llama-3.1-70b-instruct",
+        messages=messages,
+        optional_params={},
+        litellm_params={},
+        headers={},
+    )
+    assert transformed_response["messages"] == [
+        {
+            "role": "user",
+            "content": [{"type": "video_url", "video_url": {"url": video_data}}],
+        }
+    ]
+
+
+def test_hosted_vllm_chat_transformation_with_audio_url():
+    from litellm import completion
+    from litellm.llms.custom_httpx.http_handler import HTTPHandler
+
+    client = MagicMock()
+
+    with patch.object(
+        client.chat.completions.with_raw_response, "create", return_value=MagicMock()
+    ) as mock_post:
+        try:
+            response = completion(
+                model="hosted_vllm/llama-3.1-70b-instruct",
+                messages=[
+                    {
+                        "role": "user",
+                        "content": [
+                            {
+                                "type": "audio_url",
+                                "audio_url": {"url": "https://example.com/audio.mp3"},
+                            },
+                        ],
+                    },
+                ],
+                client=client,
+            )
+        except Exception as e:
+            print(f"Error: {e}")
+
+        mock_post.assert_called_once()
+        print(f"mock_post.call_args.kwargs: {mock_post.call_args.kwargs}")
+        assert mock_post.call_args.kwargs["messages"] == [
+            {
+                "role": "user",
+                "content": [
+                    {
+                        "type": "audio_url",
+                        "audio_url": {"url": "https://example.com/audio.mp3"},
+                    }
+                ],
+            }
+        ]
+
+
+def test_hosted_vllm_supports_reasoning_effort():
+    config = HostedVLLMChatConfig()
+    supported_params = config.get_supported_openai_params(
+        model="hosted_vllm/gpt-oss-120b"
+    )
+    assert "reasoning_effort" in supported_params
+    optional_params = config.map_openai_params(
+        non_default_params={"reasoning_effort": "high"},
+        optional_params={},
+        model="hosted_vllm/gpt-oss-120b",
+        drop_params=False,
+    )
+    assert optional_params["reasoning_effort"] == "high"