tests/test_pipeline.py

import csv

from pcmt.pipeline import RunConfig, run_pipeline, validate_csv


def test_pipeline_writes_trace_csv_and_certificates(tmp_path):
    output = tmp_path / "run"
    metrics = run_pipeline(RunConfig(output=output, fixture_root=tmp_path / "fixtures", clips=3, edits=["none", "crop"], use_gpu="cpu"))
    assert metrics["rows"] == 3 * 2 * 5
    csv_path = output / "traces.csv"
    assert csv_path.exists()
    assert validate_csv(csv_path) == []
    with csv_path.open("r", encoding="utf-8", newline="") as handle:
        rows = list(csv.DictReader(handle))
    assert any(row["edit_type"] == "crop" and float(row["defect_score"]) > 0 for row in rows)
    assert list((output / "certificates").glob("*.json"))