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test(acp): pin parse_model_input in slash-command tests

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The two ACP slash-command tests that exercise `provider:model` routing
(`test_set_session_model_accepts_provider_prefixed_choice` and
`test_model_switch_uses_requested_provider`) relied on the live
`hermes_cli.models._KNOWN_PROVIDER_NAMES` / `_PROVIDER_ALIASES` module
state to parse `anthropic:claude-sonnet-4-6` into
`("anthropic", "claude-sonnet-4-6")`. If any earlier test in the same
xdist worker registers a custom provider that shadows `anthropic` or
otherwise mutates those globals, the parser falls into the
`detect_provider_for_model` branch and resolves to `custom` instead.

Observed once in CI on run 26326728502 / job 77505732299 as
`AssertionError: assert 'custom' == 'anthropic'` — could not reproduce
locally under per-file isolation, so the failing in-file order was
specific to a particular xdist scheduling.

Monkeypatching `parse_model_input` + `detect_provider_for_model` for
both tests removes the global-catalog dependency, so the tests now only
exercise what they were written to verify (the `requested_provider ->
runtime -> AIAgent kwargs` plumbing).
This commit is contained in:
Teknium 2026-05-23 01:42:15 -07:00
parent 6a2df9f451
commit 3127a41cb1
1 changed files with 26 additions and 0 deletions
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26
tests/acp/test_server.py
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@ -971,6 +971,18 @@ class TestSessionConfiguration:
"hermes_cli.runtime_provider.resolve_runtime_provider",
fake_resolve_runtime_provider,
)
# Pin the parser so this test doesn't depend on live
# ``_KNOWN_PROVIDER_NAMES`` / ``_PROVIDER_ALIASES`` module state
# (sibling of the same hardening on
# ``test_model_switch_uses_requested_provider``).
monkeypatch.setattr(
"hermes_cli.models.parse_model_input",
lambda raw, current: ("anthropic", "claude-sonnet-4-6"),
)
monkeypatch.setattr(
"hermes_cli.models.detect_provider_for_model",
lambda model, current: None,
)
manager = SessionManager(db=SessionDB(tmp_path / "state.db"))
with patch("run_agent.AIAgent", side_effect=fake_agent):
@ -1543,6 +1555,20 @@ class TestSlashCommands:
"hermes_cli.runtime_provider.resolve_runtime_provider",
fake_resolve_runtime_provider,
)
# Pin the model-string parser independently of the live
# ``_KNOWN_PROVIDER_NAMES`` / ``_PROVIDER_ALIASES`` module state.
# Otherwise any test in the same xdist worker that mutates those
# globals (e.g. registers a custom provider that shadows
# ``anthropic``) flakes this one — observed once in CI as
# ``'custom' == 'anthropic'``.
monkeypatch.setattr(
"hermes_cli.models.parse_model_input",
lambda raw, current: ("anthropic", "claude-sonnet-4-6"),
)
monkeypatch.setattr(
"hermes_cli.models.detect_provider_for_model",
lambda model, current: None,
)
manager = SessionManager(db=SessionDB(tmp_path / "state.db"))
with patch("run_agent.AIAgent", side_effect=fake_agent):