procurement-ingest/tests/test_pad_zip.py

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"""Tests for pad_zip in the PO email processor."""
import pytest
@pytest.mark.parametrize(
("raw", "expected"),
[
# Missing values pass through untouched
(None, None),
("", ""),
# Leading zeros restored (Coupa drops them: "MA 2149" -> "02149")
("2149", "02149"),
("7001", "07001"),
("501", "00501"),
# Already-valid 5-digit zips are unchanged
("85704", "85704"),
("02149", "02149"),
# Zip+4: leading zeros restored on the base, suffix preserved
("2149-1234", "02149-1234"),
("85704-1234", "85704-1234"),
# Surrounding whitespace is handled
(" 2149 ", "02149"),
# Non-numeric values are left alone
("ABC12", "ABC12"),
],
)
def test_pad_zip(po_handler, raw, expected):
assert po_handler.pad_zip(raw) == expected