When the host has HTTP_PROXY / HTTPS_PROXY / ALL_PROXY set, httpx routes all traffic through the proxy — including requests to localhost or LAN addresses that the proxy typically cannot reach. This breaks local model servers (Ollama, llama.cpp, vLLM) silently. - Local endpoints: pass transport=httpx.AsyncHTTPTransport(proxy=None) so proxy env vars are ignored for local traffic. - Cloud endpoints: pass trust_env=True so corporate/VPN proxies work without explicit configuration. Fixes #4366
57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
"""Tests for proxy environment variable handling in OpenAICompatProvider."""
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from unittest.mock import MagicMock
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import httpx
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from nanobot.providers.openai_compat_provider import OpenAICompatProvider
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def _make_spec(is_local: bool = False) -> MagicMock:
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spec = MagicMock()
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spec.is_local = is_local
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return spec
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class TestLocalEndpointProxyDisabled:
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"""Local endpoints must bypass proxy to avoid routing LAN traffic through it."""
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async def test_local_disables_proxy(self):
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spec = _make_spec(is_local=True)
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spec.env_key = ""
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spec.default_api_base = "http://localhost:11434/v1"
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provider = OpenAICompatProvider(
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api_key="test", api_base="http://localhost:11434/v1", spec=spec,
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)
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await provider._ensure_client()
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transport = provider._client._client._transport
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# The transport should be an AsyncHTTPTransport with proxy=None
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assert isinstance(transport, httpx.AsyncHTTPTransport)
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async def test_lan_ip_disables_proxy(self):
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spec = _make_spec(is_local=False)
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spec.env_key = ""
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spec.default_api_base = None
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provider = OpenAICompatProvider(
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api_key="test", api_base="http://192.168.8.188:1234/v1", spec=spec,
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)
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await provider._ensure_client()
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transport = provider._client._client._transport
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assert isinstance(transport, httpx.AsyncHTTPTransport)
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class TestCloudEndpointProxyEnabled:
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"""Cloud endpoints must respect proxy env vars for corporate/VPN proxies."""
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async def test_cloud_respects_trust_env(self):
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spec = _make_spec(is_local=False)
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spec.env_key = ""
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spec.default_api_base = "https://api.openai.com/v1"
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provider = OpenAICompatProvider(
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api_key="test", api_base=None, spec=spec,
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)
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await provider._ensure_client()
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client = provider._client._client
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# trust_env should be True so httpx reads HTTP_PROXY etc.
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assert client._trust_env is True
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