hermes-agent/tests/run_agent/test_switch_model_reapplies_headers.py
Teknium 6b81590c55
test: prune low-value tests suite-wide (wave 1) — 46,820 → 28,106 test functions
Systematic prune per AGENTS.md test policy, one pass over every major
test tree (gateway, hermes_cli, tools, agent, run_agent, plugins, cli,
cron, tui_gateway, honcho/openviking, root-level):

- DELETE: source-reading tests (read_text/getsource on prod files),
  change-detector tests (exact catalog counts, model-name snapshots,
  config version literals), mock-echo tests (assert a mock returns what
  it was told), assertion-free/trivial tests, near-duplicate
  parametrizations (boundaries + one representative kept), async/sync
  twin duplicates, cosmetic within-file variations.
- KEEP (mandatory): security/redaction/approval guards, message-role
  alternation invariants, prompt-caching/deterministic-call-id
  invariants, issue-number regression tests (deduped), E2E tests.
- 6 test files deleted outright (script-style/no-assert or fully
  redundant); conftest.py, fakes/, fixtures/ untouched.
- tests/acp/conftest.py added: autouse fixture stubs the live
  models.dev/GitHub/Copilot/Anthropic inventory fetches that ACP server
  tests performed on every session create — test_server.py 147s → 3.4s,
  and the tests are now genuinely hermetic.
- Sleep-based slowness shrunk where safe (codex_ttfb_watchdog,
  compression_concurrent_fork, etc.); no wall-clock assertion tightened.

Verification: full hermetic suite via scripts/run_tests.sh —
2439 files, 31,130 tests passed, 0 failed, 0 flaky retries, 315s wall
(baseline: 583s wall, 13,564s subprocess CPU).
2026-07-29 13:10:23 -07:00

85 lines
2.9 KiB
Python

"""Regression tests for #61099: switch_model must reapply provider-specific
default headers when it rebuilds _client_kwargs from scratch.
Without _apply_client_headers_for_base_url() in the rebuild path, a /model
switch drops OpenRouter attribution headers (HTTP-Referer / X-Title → logs
show "Unknown") and, worse, functional headers like Kimi's User-Agent
sentinel (403 without it).
"""
from unittest.mock import MagicMock, patch
from run_agent import AIAgent
from agent.context_compressor import ContextCompressor
def _make_agent(provider="copilot", base_url="https://api.githubcopilot.com") -> AIAgent:
"""Minimal AIAgent with a context_compressor, skipping __init__."""
agent = AIAgent.__new__(AIAgent)
agent.model = "claude-opus-4.8"
agent.provider = provider
agent.base_url = base_url
agent.api_key = "sk-primary"
agent.api_mode = "chat_completions"
agent.client = MagicMock()
agent.quiet_mode = True
agent._config_context_length = None
agent._client_kwargs = {"api_key": "sk-primary", "base_url": base_url}
compressor = ContextCompressor(
model=agent.model,
threshold_percent=0.50,
base_url=base_url,
api_key="sk-primary",
provider=provider,
quiet_mode=True,
config_context_length=None,
)
agent.context_compressor = compressor
agent._primary_runtime = {}
return agent
@patch("agent.model_metadata.get_model_context_length", return_value=131_072)
def test_switch_to_openrouter_reapplies_attribution_headers(mock_ctx_len):
"""Switching to an openrouter.ai base_url must attach the OpenRouter
attribution headers (HTTP-Referer / X-Title) to the rebuilt client
kwargs — not ship a bare api_key+base_url client (#61099)."""
agent = _make_agent(provider="copilot", base_url="https://api.githubcopilot.com")
agent.switch_model(
"deepseek/deepseek-chat",
"openrouter",
api_key="sk-or-new",
base_url="https://openrouter.ai/api/v1",
)
headers = agent._client_kwargs.get("default_headers") or {}
assert "HTTP-Referer" in headers
assert headers.get("X-Title")
@patch("agent.model_metadata.get_model_context_length", return_value=131_072)
def test_switch_away_from_headered_provider_clears_stale_headers(mock_ctx_len):
"""Switching FROM a headered provider TO one with no URL-specific headers
must not carry the old provider's headers along."""
agent = _make_agent(provider="openrouter", base_url="https://openrouter.ai/api/v1")
agent._client_kwargs["default_headers"] = {
"HTTP-Referer": "https://hermes-agent.nousresearch.com",
"X-Title": "Hermes Agent",
}
agent.switch_model(
"MiniMax-M3",
"custom:minimax",
api_key="sk-minimax",
base_url="https://api.minimax.io/v1",
)
headers = agent._client_kwargs.get("default_headers") or {}
assert "HTTP-Referer" not in headers
assert "X-Title" not in headers