hermes-agent/tests/run_agent/test_per_model_compression_threshold.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

126 lines
4.6 KiB
Python

"""Tests for per-model compression threshold overrides.
Users who swap between models with very different context windows (e.g. a
256K model and a 1M model) need different compaction trigger points.
``compression.model_thresholds`` in config.yaml lets them set per-model
overrides that are resolved by longest substring match. The small-context
floor (75% for <512K models) still applies on top of per-model overrides.
"""
from unittest.mock import patch
from agent.context_compressor import ContextCompressor, resolve_model_threshold
from agent.context_engine import ContextEngine
# ---------------------------------------------------------------------------
# resolve_model_threshold helper
# ---------------------------------------------------------------------------
class TestResolveModelThreshold:
def test_no_overrides_returns_default(self):
assert resolve_model_threshold("glm-5.2", None, 0.50) == 0.50
assert resolve_model_threshold("glm-5.2", {}, 0.50) == 0.50
def test_exact_match(self):
overrides = {"glm-5.2": 0.70}
assert resolve_model_threshold("glm-5.2", overrides, 0.50) == 0.70
# ---------------------------------------------------------------------------
# ContextCompressor integration
# ---------------------------------------------------------------------------
class TestContextCompressorModelThresholds:
@patch("agent.context_compressor.get_model_context_length", return_value=1_000_000)
def test_init_large_context_with_override(self, _mock):
"""Large context (>=512K) + per-model override: override applies directly."""
cc = ContextCompressor(
model="glm-5.2",
threshold_percent=0.50,
model_thresholds={"glm-5.2": 0.40},
quiet_mode=True,
)
# 1M context >= 512K, so no small-context floor — override wins
assert cc.threshold_percent == 0.40
assert cc.threshold_tokens == int(1_000_000 * 0.40)
@patch("agent.context_compressor.get_model_context_length", return_value=256_000)
def test_init_no_model_thresholds_dict(self, _mock):
"""Empty model_thresholds dict = backward compatible."""
cc = ContextCompressor(
model="glm-5.2",
threshold_percent=0.50,
quiet_mode=True,
)
# Resolve while mock is active (lazy init defers floor past __init__).
_ = cc.context_length
# 256K < 512K → floored at 0.75
assert cc.threshold_percent == 0.75
assert cc.model_thresholds == {}
@patch("agent.context_compressor.get_model_context_length")
def test_update_model_re_resolves_threshold(self, mock_ctx):
"""Switching models re-resolves the per-model threshold + re-applies floor."""
mock_ctx.return_value = 256_000
cc = ContextCompressor(
model="glm-5.2",
threshold_percent=0.50,
model_thresholds={"glm-5.2": 0.80, "glm-5.2-1M": 0.25},
quiet_mode=True,
)
# 256K < 512K → floor at 0.75; override 0.80 > 0.75, so 0.80 wins
assert cc.threshold_percent == 0.80
# Switch to the 1M model (large context, no floor)
mock_ctx.return_value = 1_000_000
cc.update_model(
model="glm-5.2-1M",
context_length=1_000_000,
)
# 1M >= 512K → no floor; override 0.25 applies directly
assert cc.threshold_percent == 0.25
assert cc.threshold_tokens == int(1_000_000 * 0.25)
# ---------------------------------------------------------------------------
# ContextEngine base class
# ---------------------------------------------------------------------------
class TestContextEngineModelThresholds:
def test_base_class_update_model_applies_overrides(self):
"""The base-class update_model() applies model_thresholds if set."""
class TestEngine(ContextEngine):
@property
def name(self):
return "test"
def update_from_response(self, usage):
pass
def should_compress(self, prompt_tokens=None):
return False
def compress(self, messages, current_tokens=None, focus_topic=None):
return messages
engine = TestEngine()
engine.threshold_percent = 0.50
engine._config_threshold_percent = 0.50
engine.context_length = 0
engine.model_thresholds = {"glm-5.2-1M": 0.25}
engine.update_model(model="glm-5.2-1M", context_length=1_000_000)
assert engine.threshold_percent == 0.25
assert engine.threshold_tokens == int(1_000_000 * 0.25)