test_agent.py

# test_agent.py — sends a chat message to the running agent and prints the reply.
#
# The agent server must already be running before you execute this:
#   uv run uvicorn main:app --host 0.0.0.0 --port 8000

import httpx

BASE_URL = "http://localhost:8000"

# The message to send. Formatted as a Chat Completions messages list so it
# matches exactly what the endpoint expects.
messages = [
    {"role": "user", "content": "What are the BBC headlines today?"}
]

# POST to the agent's chat completions endpoint.
# timeout=60 because the agent may need to call web_search before responding.
response = httpx.post(
    f"{BASE_URL}/v1/chat/completions",
    json={"messages": messages},
    timeout=60,
)

if not response.is_success:
    print(f"Error {response.status_code}:", response.text)
    raise SystemExit(1)

# The reply is in choices[0].message.content — standard Chat Completions shape.
reply = response.json()["choices"][0]["message"]["content"]
print(reply)