import importlib.util
from pathlib import Path
from codelock_affect.evaluation import text_metrics

spec = importlib.util.spec_from_file_location(
    "builder", Path(__file__).parents[1] / "scripts/build_dataset.py"
)
builder = importlib.util.module_from_spec(spec)
spec.loader.exec_module(builder)


def test_reproducible_grouped_split_and_counts():
    rows = builder.build()
    builder.validate(rows)
    assert rows == builder.build()
    train = {r["scenario_id"] for r in rows if r["split"] == "train"}
    test = {r["scenario_id"] for r in rows if r["split"] == "test"}
    assert len(train) == 80 and len(test) == 20 and not train & test
    assert rows != builder.build(1702)


def test_repetition_metric_detects_failure_without_calling_it_emotion():
    ordinary = text_metrics("The desk is beside the bed. I can read the terminal.")
    repeated = text_metrics("I am afraid. I am afraid. I am afraid. I am afraid.")
    assert ordinary["repeated_trigram_fraction"] == 0
    assert repeated["repeated_trigram_fraction"] > 0.5