from tcga_downloader.manifest import ManifestRecord, write_manifest, load_manifest


def test_manifest_roundtrip_tsv(tmp_path):
    records = [
        ManifestRecord(
            file_id="f1",
            file_name="a.tsv",
            data_type="Gene Expression",
            data_format="TSV",
            size=123,
            md5="abc",
        )
    ]
    path = tmp_path / "m.tsv"
    write_manifest(records, path, fmt="tsv")
    loaded = load_manifest(path)
    assert loaded == records