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65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
"""Unit tests for lib/songmeta.py — metadata file-persistence helpers."""
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from __future__ import annotations
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# songmeta lives in lib/ which is on PYTHONPATH via conftest / pyproject
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from songmeta import (
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_apply_to_sloppak_manifest,
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_coerce_year,
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)
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class TestCoerceYear:
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def test_int_passthrough(self):
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assert _coerce_year(2024) == 2024
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def test_string_digit(self):
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assert _coerce_year("2024") == 2024
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def test_empty_string_clears(self):
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# A user clearing the year field sends "" — must map to 0 so the
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# scanner reads it back as "" (str(0 or "") == "").
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assert _coerce_year("") == 0
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def test_none_clears(self):
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assert _coerce_year(None) == 0
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def test_non_numeric_string_clears(self):
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assert _coerce_year("unknown") == 0
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def test_zero_passthrough(self):
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assert _coerce_year(0) == 0
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class TestApplyToSloppakManifest:
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def test_set_title(self):
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manifest = {"title": "Old Title", "artist": "A"}
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dirty = _apply_to_sloppak_manifest(manifest, {"title": "New Title"})
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assert dirty
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assert manifest["title"] == "New Title"
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assert manifest["artist"] == "A" # untouched
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def test_set_year(self):
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manifest = {"year": 2000}
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dirty = _apply_to_sloppak_manifest(manifest, {"year": "2024"})
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assert dirty
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assert manifest["year"] == 2024
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def test_clear_year(self):
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"""Clearing year (empty string) must write 0, not be silently skipped."""
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manifest = {"year": 2020}
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dirty = _apply_to_sloppak_manifest(manifest, {"year": ""})
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assert dirty, "clearing year should mark manifest dirty"
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assert manifest["year"] == 0
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def test_no_year_key_leaves_existing(self):
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"""If 'year' is not in fields at all, the existing value is preserved."""
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manifest = {"year": 2020}
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dirty = _apply_to_sloppak_manifest(manifest, {"title": "T"})
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assert dirty
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assert manifest["year"] == 2020 # untouched
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def test_empty_fields(self):
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manifest = {"title": "T"}
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dirty = _apply_to_sloppak_manifest(manifest, {})
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assert not dirty
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