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# Copyright (c) 2024 The HuggingFace Team

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from lighteval.tasks.lighteval_task import LightevalTask, LightevalTaskConfig


def dummy_prompt_function(item, task_name):
    return item["text"]


def test_revision_check():
    # Test with a different revision
    cfg_with_revision = LightevalTaskConfig(
        name="test_task_revision",
        prompt_function=dummy_prompt_function,
        hf_repo="lighteval-tests-datasets/dataset-test-1",
        hf_subset="default",
        evaluation_splits=["train"],
        metric=[],
        hf_revision="25175defadfde48b131b7cd7573ad6f59f868306",
    )
    task_with_revision = LightevalTask("test_task_revision", cfg_with_revision)
    assert task_with_revision.eval_docs() == ["hi", "how are you?"]


def test_dataset_filter():
    # Setup

    cfg = LightevalTaskConfig(
        name="test_task",
        prompt_function=dummy_prompt_function,
        hf_repo="lighteval-tests-datasets/dataset-test-1",
        hf_subset="default",
        hf_filter=lambda x: x["text"] == "hi",
        metric=[],
        evaluation_splits=["train"],
    )
    task = LightevalTask("test_task", cfg)

    filtered_docs = task.eval_docs()
    assert len(filtered_docs) == 1
    assert filtered_docs[0] == "hi"
