Marcin Pawlowski 2248a048d4
pd: cover the new cover-traffic config fields in the key() test
The key() coverage test enumerates every SimConfig field, so the five cover-
traffic knobs had to be given alternative values. Caught by the test itself
immediately after the previous commit.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-06 17:59:58 +02:00

66 lines
2.8 KiB
Python

import dataclasses
import pytest
from pd.config import SimConfig, SweepConfig
def test_key_covers_every_field():
fields = [f.name for f in dataclasses.fields(SimConfig)]
assert len(SimConfig().key()) == len(fields)
# n_regions=2 in the base so the region/churn fields can each be varied on their own
# (region_locality and churn_mode="regional" both require n_regions >= 2)
base = SimConfig(n_regions=2)
for name in fields:
cur = getattr(base, name)
alt = {"n_nodes": 2000, "degree": 4, "n_regions": 4, "region_locality": 0.5,
"blend_hops": 2, "max_blend_delay": 5,
"unresponsive_frac": 0.2, "churn_mode": "regional", "redundancy": 2,
"cover_rate_mult": 2.0, "block_interval_slots": 60, "slots_per_epoch": 1000,
"stake_inference_ratio": 0.7, "traffic_window_slots": 100,
"n_rounds": 10, "transport_jitter_mean_ms": 1.0,
"processing_lags_ms": (11.0, 51.0, 101.0), "processing_lag_probs": (0.6, 0.3, 0.1),
"link_latency_dist": "fixed", "link_latency_mean_ms": 1.0,
"coverage_pcts": (25.0,), "f_adv": 0.1, "adversary_mode": "worstcase_coverage",
"n_placements": 1, "worstcase_max_n": 5, "graph_seed": 99, "replicate": 1,
"root_seed": 7}[name]
assert alt != cur
assert dataclasses.replace(base, **{name: alt}).key() != base.key(), name
@pytest.mark.parametrize("kw", [
{"n_nodes": 999}, # odd
{"degree": 1000}, # >= n
{"blend_hops": 0}, # < 1
{"f_adv": 1.0}, # >= 1
{"max_blend_delay": -1},
{"processing_lag_probs": (0.5, 0.4)}, # doesn't sum to 1 (with default 3 lags -> len mismatch)
{"link_latency_dist": "bogus"},
{"adversary_mode": "bogus"},
])
def test_validation_rejects(kw):
with pytest.raises(ValueError):
SimConfig(**kw)
def test_sweep_grids_and_collapse():
sw = SweepConfig(n_nodes=[1000, 10000], degree=[4, 8], blend_hops=[2, 3],
max_blend_delay=[0, 3], f_adv=[0.0, 0.2],
adversary_mode=["random", "worstcase_coverage"], seeds=3)
assert len(sw.graph_cells()) == 2 * 2 * 3
assert len(sw.prop_grid()) == 2 * 2
# f_adv=0 collapses to a single (mode-irrelevant) row; f_adv=0.2 keeps both modes
assert sw.adv_grid() == [(0.0, "random"), (0.2, "random"), (0.2, "worstcase_coverage")]
def test_from_dict_rejects_unknown():
with pytest.raises(ValueError):
SweepConfig.from_dict({"nonsense": [1]})
def test_base_config_coerces_tuples():
sw = SweepConfig(base={"processing_lags_ms": [10.0, 90.0], "processing_lag_probs": [0.3, 0.7]})
cfg = sw.base_config(1000, 8, 0)
assert cfg.processing_lags_ms == (10.0, 90.0)
assert isinstance(cfg.key(), tuple)