perfect-postcode/pipeline/test_validate_outputs.py
2026-05-13 12:11:54 +01:00

61 lines
1.5 KiB
Python

from __future__ import annotations
import zipfile
import polars as pl
from pipeline.validate_outputs import main
def test_validates_parquet_file_and_zip(tmp_path, monkeypatch):
parquet_path = tmp_path / "data.parquet"
file_path = tmp_path / "plain.txt"
zip_path = tmp_path / "archive.zip"
pl.DataFrame({"value": [1]}).write_parquet(parquet_path)
file_path.write_text("ok\n")
with zipfile.ZipFile(zip_path, "w") as archive:
archive.writestr("data.txt", "ok\n")
monkeypatch.setattr(
"sys.argv",
[
"validate_outputs",
"--parquet",
str(parquet_path),
"--file",
str(file_path),
"--zip",
str(zip_path),
"--glob",
f"{tmp_path}::*.txt",
"--zip-glob",
f"{tmp_path}::*.zip",
],
)
assert main() == 0
def test_rejects_missing_and_empty_outputs(tmp_path, monkeypatch, capsys):
empty_path = tmp_path / "empty.txt"
empty_path.touch()
monkeypatch.setattr(
"sys.argv",
[
"validate_outputs",
"--file",
str(empty_path),
"--parquet",
str(tmp_path / "missing.parquet"),
"--glob",
f"{tmp_path}::*.csv",
],
)
assert main() == 1
stderr = capsys.readouterr().err
assert "empty file" in stderr
assert "missing" in stderr
assert "no files matched" in stderr