rein-openweights/tests/test_openrouter_client.py

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from unittest.mock import MagicMock, patch
import pytest
from rein_openweights.openrouter_client import OpenRouterClient, OpenRouterError
def test_chat_sends_bearer_auth_and_model():
client = OpenRouterClient(api_key="sk-test", model="meta-llama/llama-3.1-70b-instruct")
fake_response = MagicMock(status_code=200)
fake_response.json.return_value = {"choices": [{"message": {"content": "hi"}}]}
with patch("rein_openweights.openrouter_client.httpx.post", return_value=fake_response) as post:
data = client.chat([{"role": "user", "content": "hello"}])
assert data["choices"][0]["message"]["content"] == "hi"
_, kwargs = post.call_args
assert kwargs["headers"]["Authorization"] == "Bearer sk-test"
assert kwargs["json"]["model"] == "meta-llama/llama-3.1-70b-instruct"
assert "tools" not in kwargs["json"]
def test_chat_includes_tools_when_provided():
client = OpenRouterClient(api_key="sk-test", model="m")
fake_response = MagicMock(status_code=200)
fake_response.json.return_value = {"choices": [{"message": {}}]}
tools = [{"type": "function", "function": {"name": "read_file"}}]
with patch("rein_openweights.openrouter_client.httpx.post", return_value=fake_response) as post:
client.chat([{"role": "user", "content": "x"}], tools=tools)
_, kwargs = post.call_args
assert kwargs["json"]["tools"] == tools
assert kwargs["json"]["tool_choice"] == "auto"
def test_chat_raises_on_http_error():
client = OpenRouterClient(api_key="sk-test", model="m")
fake_response = MagicMock(status_code=401, text="unauthorized")
with patch("rein_openweights.openrouter_client.httpx.post", return_value=fake_response):
with pytest.raises(OpenRouterError, match="401"):
client.chat([{"role": "user", "content": "x"}])