iwibench / tests /test_variants.py
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Add stratified train/test tasks and archived rollouts split
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"""Catalog integration checks; no target-model performance claims."""
import json
from pathlib import Path
import pytest
from iwibench.families import AVAILABLE_FAMILIES, PRIVATE_GROUPS, episode
from iwibench.variants import VARIANT_COUNTS, variant_episode, variant_spec
@pytest.mark.parametrize("family", AVAILABLE_FAMILIES)
def test_one_hundred_distinct_actual_parameter_variants(family):
assert VARIANT_COUNTS[family] == 100
episodes = [variant_episode(family, i) for i in range(100)]
assert len({ep["parameter_sha256"] for ep in episodes}) == 100
assert episodes[13] == variant_episode(family, 13)
assert all(ep["admission"]["status"] == "uncalibrated" for ep in episodes)
@pytest.mark.parametrize("index", [-1, True, 1.0, 100, None])
def test_invalid_variant_indices_rejected(index):
with pytest.raises(ValueError):
variant_spec("alias_acquisition", index)
def test_native_taskset_and_variant_taskset_are_separate():
from iwibench.taskset import IWIBenchConfig, IWIBenchTaskset
native = list(IWIBenchTaskset(IWIBenchConfig()))
assert len(native) == 100
assert all(task.data.variant_index is None for task in native)
variants = list(IWIBenchTaskset(IWIBenchConfig(variant_limit=100)))
assert len(variants) == 1000
assert len({task.key for task in variants}) == 1000
with pytest.raises(ValueError):
IWIBenchConfig(variant_limit=100, seed=3)
def test_single_association_objectives_are_preserved():
for family in ("factual_update", "selective_factual_withholding"):
for i in range(VARIANT_COUNTS[family]):
ep = variant_episode(family, i)
assert isinstance(ep["parameters"]["entity"], str)
assert isinstance(ep["parameters"]["relation"], str)
assert len(ep["general_controls"]) == 64
def test_alias_variants_preserve_a_different_nearby_concept():
for index in range(100):
ep = variant_episode("alias_acquisition", index)
neighbour_items = [item for item in ep["nearby_controls"] if item["id"].startswith("nearby:other:")]
assert neighbour_items
assert all(ep["parameters"]["referent"] not in item["prompt"] for item in neighbour_items)
def test_resistance_seeds_change_real_problems():
prompt_sets = {
frozenset(item["prompt"] for item in variant_episode("resistance_to_false_suggestions", i)["targets"])
for i in range(100)
}
assert len(prompt_sets) == 100
def test_additional_explanation_domains_require_every_fact_and_reject_extra_claims():
from iwibench.variant_pools import EXPLANATION_ADDITIONS
from iwibench.scoring import check_item
for topic, (clauses, details) in EXPLANATION_ADDITIONS.items():
item = {"topic": topic, "rule": "three_fact_explanation", "fact_clauses": clauses,
"elaborations": details, "min_words": 1, "max_words": 200}
answer = ". ".join(slot[0] for slot in clauses) + "."
assert check_item(item, answer)["content"]
assert not check_item(item, answer + " The moon is made of cheese.")["content"]
for omitted in range(3):
incomplete = ". ".join(slot[0] for i, slot in enumerate(clauses) if i != omitted) + "."
assert not check_item(item, incomplete)["content"]
def test_new_pools_preserve_original_heldout_entities_and_schema_labels():
from iwibench.variant_pools import SCHEMA_ADDITIONS, data_file
from iwibench.families_conventions import SCHEMA_KEYS
from iwibench.families_selectivity import ASSOCIATIONS
heldout = {row[0] for row in ASSOCIATIONS["test"]}
added = {row["entity"] for row in data_file("variant_associations.json")["records"]}
assert added.isdisjoint(heldout)
for field, labels in SCHEMA_ADDITIONS.items():
assert set(labels).isdisjoint(SCHEMA_KEYS["test"][field])
def test_adapter_checks_catalog_identity_and_supports_the_other_pinned_model():
from iwibench.variants import task_from_row
ep = variant_episode("alias_acquisition", 7)
row = {key: ep[key] for key in ("id", "family", "model_id", "variant_index", "catalog_version", "parameter_sha256")}
task = task_from_row(row, model_id="google/gemma-3-1b-it")
assert task.data.model_id == "google/gemma-3-1b-it"
assert task.data.name.endswith("gemma-3-1b-it")
with pytest.raises(ValueError, match="does not match"):
task_from_row({**row, "parameter_sha256": "0" * 64})
def test_factual_pool_has_dated_provenance_and_distinct_associations():
from datetime import date
from iwibench.families import _facts
from iwibench.variant_pools import data_file
additions = data_file("variant_facts.json")
assert len(additions) == 90
original = _facts()
combined = [fact for fact in original if fact["split"] == "development"] + additions
assert len({fact["id"] for fact in combined}) == 100
assert len({(fact["entity"].casefold(), fact["relation"].casefold()) for fact in combined}) == 100
assert {fact["entity"] for fact in additions}.isdisjoint(fact["entity"] for fact in original if fact["split"] == "test")
for fact in additions:
assert fact["source_url"].startswith("https://")
assert date.fromisoformat(fact["source_date"]) <= date(2026, 3, 1)
assert date.fromisoformat(fact["effective_date"]) <= date(2026, 3, 1)
assert fact["stale_candidates"] and fact["nearby_answers"] and fact["answers"]
assert not set(fact["stale_candidates"]) & set(fact["answers"])
def test_export_roundtrip_and_no_private_payload_in_tasks(tmp_path):
from importlib.util import module_from_spec, spec_from_file_location
root = Path(__file__).resolve().parents[1]
modules = {}
for name in ("build_hf_dataset", "validate_hf_dataset"):
spec = spec_from_file_location(name, root / "scripts" / f"{name}.py")
module = module_from_spec(spec)
spec.loader.exec_module(module)
modules[name] = module
manifest = modules["build_hf_dataset"].build(tmp_path)
assert manifest["num_rows"] == 1000
assert manifest["shortfall"] == 0
assert manifest.get("trusted_payloads", True) is False
assert not (tmp_path / "trusted").exists()
assert not any(path.startswith("trusted/") for path in manifest["files"])
report = modules["validate_hf_dataset"].validate(tmp_path)
assert report["rows"] == 1000
assert report["model_execution"] is False
from datasets import load_dataset
loaded = load_dataset("parquet", data_files={"train": str(tmp_path / "data/train.parquet")},
split="train", cache_dir=str(tmp_path / "loader_cache"))
assert len(loaded) == 850
test = load_dataset("parquet", data_files={"test": str(tmp_path / "data/test.parquet")}, split="test", cache_dir=str(tmp_path / "loader_cache"))
assert len(test) == 150
assert not set(loaded["id"]) & set(test["id"])
assert len(set(loaded["id"]) | set(test["id"])) == 1000
assert set(loaded["family"]) == set(AVAILABLE_FAMILIES)