import ast
import random

from oellm_code_rlvr.families import FAMILIES
from oellm_code_rlvr.generate import build_row, split_for


def test_all_families_are_deterministic_and_mutation_tested():
    for name, family in FAMILIES.items():
        left = family(random.Random(42), 3)
        right = family(random.Random(42), 3)
        assert left == right
        assert left.mutation_score >= 2 / 3
        assert len(left.public_tests) == 2
        assert len(left.hidden_tests) >= 8
        ast.parse(left.reference_solution)


def test_rows_match_open_r1_contract():
    for index, family in enumerate(FAMILIES):
        row = build_row(family, 1000 + index)
        assert row["messages"][0]["role"] == "user"
        assert row["verification_info"]["language"] == "python"
        assert all(case["type"] == "stdin_stdout" for case in row["verification_info"]["test_cases"])
        assert row["verifier_kind"] == "code_stdio"


def test_split_is_stable():
    group = "oellm-code-test-000000001"
    assert split_for(group) == split_for(group)