test_arabic_tasks.py

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import pytest

from lighteval.tasks.multilingual.tasks.arabic import hellaswag_arabic_pfn


def test_hellaswag_arabic_pfn_parses_endings():
    line = {
        "ctx": "sentence one [latin] and more",
        "endings": "['ending one [x]', 'ending two']",
        "label": 1,
    }

    doc = hellaswag_arabic_pfn(line, "test_task")

    assert doc.choices == ["ending one ", "ending two"]
    assert doc.gold_index == 1


def test_hellaswag_arabic_pfn_rejects_non_literal_endings():
    # endings comes from a hub dataset; anything that is not a plain literal
    # must raise instead of being evaluated. literal_eval raises ValueError on
    # non-literal nodes but SyntaxError on malformed input (e.g. a truncated
    # field), so both count as rejection.
    line = {
        "ctx": "sentence",
        "endings": "__import__('os').system('echo pwned')",
        "label": 0,
    }

    with pytest.raises((ValueError, SyntaxError)):
        hellaswag_arabic_pfn(line, "test_task")


def test_hellaswag_arabic_pfn_does_not_execute_endings():
    # pytest.raises alone would also pass if something ran before raising;
    # the side effect pins down that nothing in the field executes at all
    executed = []
    line = {"ctx": "s", "endings": "[executed.append(1)]", "label": 0}

    with pytest.raises((ValueError, SyntaxError)):
        hellaswag_arabic_pfn(line, "test_task")

    assert executed == []