import importlib.util
from pathlib import Path


SPEC = importlib.util.spec_from_file_location(
    "audit_core_e2_runner", Path("runners/audit_core_e2.py")
)
runner = importlib.util.module_from_spec(SPEC)
assert SPEC.loader is not None
SPEC.loader.exec_module(runner)


def test_equivalent_denial_includes_digest():
    base = {
        "status": 404, "content_type": "application/json", "count": 1,
        "schema": ["$", "$.error:str"], "run_digest": "same",
    }
    assert runner.equivalent(base, dict(base))
    changed = dict(base, run_digest="different")
    assert not runner.equivalent(base, changed)


def test_event_is_synthetic_and_correlation_bound():
    payload = runner.event("event-a", "tenant-a", "corr")
    assert payload["id"] == payload["data"]["fixture_id"]
    assert payload["tenant"] == "tenant-a"
    assert payload["correlation_id"] == "corr"


def test_p95_is_conservative_for_small_runs():
    assert runner._p95([10, 20, 30]) == 30