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kleinanzeigen-bot/tests/unit/test_dicts.py

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Python

# SPDX-FileCopyrightText: © Sebastian Thomschke and contributors
# SPDX-License-Identifier: AGPL-3.0-or-later
# SPDX-ArtifactOfProjectHomePage: https://github.com/Second-Hand-Friends/kleinanzeigen-bot/
"""Tests for the dicts utility module."""
import unicodedata
from pathlib import Path
def test_save_dict_normalizes_unicode_paths(tmp_path:Path) -> None:
"""Test that save_dict normalizes paths to NFC for cross-platform consistency (issue #728).
Directories are created with NFC normalization (via sanitize_folder_name).
This test verifies save_dict's defensive normalization handles edge cases where
an NFD path is passed (e.g., "ä" as "a" + combining diacritic vs single character).
It should normalize to NFC and use the existing NFC directory.
"""
from kleinanzeigen_bot.utils import dicts # noqa: PLC0415
# Create directory with NFC normalization (as sanitize_folder_name does)
title_nfc = unicodedata.normalize("NFC", "KitchenAid Zuhälter - nie benutzt")
nfc_dir = tmp_path / f"ad_12345_{title_nfc}"
nfc_dir.mkdir(parents = True)
# Call save_dict with NFD path (different normalization)
title_nfd = unicodedata.normalize("NFD", title_nfc)
assert title_nfc != title_nfd, "NFC and NFD should be different strings"
nfd_path = tmp_path / f"ad_12345_{title_nfd}" / "ad_12345.yaml"
dicts.save_dict(str(nfd_path), {"test": "data", "title": title_nfc})
# Verify file was saved successfully
nfc_files = list(nfc_dir.glob("*.yaml"))
assert len(nfc_files) == 1, "Should have exactly one file in NFC directory"
assert nfc_files[0].name == "ad_12345.yaml"
# On macOS/APFS, the filesystem normalizes both NFC and NFD to the same directory
# On Linux ext4, NFC normalization in save_dict ensures it uses the existing directory
# Either way, we should have exactly one YAML file total (no duplicates)
all_yaml_files = list(tmp_path.rglob("*.yaml"))
assert len(all_yaml_files) == 1, f"Expected exactly 1 YAML file total, found {len(all_yaml_files)}: {all_yaml_files}"