Colin Maudry
18d07b5398
Add normalize_sort_by function to convert Dash DataTable's sort_by list (unhashable) into a tuple representation (hashable) for use in cache keys. Includes TDD-driven tests for empty inputs, hashability, and order preservation. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
import polars as pl
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import pytest
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@pytest.fixture
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def sample_lff():
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"""Small LazyFrame with the columns needed by add_links / format_values."""
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return pl.LazyFrame(
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[
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{
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"uid": "u1",
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"id": "u1",
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"acheteur_id": "12345678900011",
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"acheteur_nom": "Mairie de Test",
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"titulaire_id": "98765432100022",
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"titulaire_nom": "Entreprise Test",
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"titulaire_typeIdentifiant": "SIRET",
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"objet": "Travaux divers",
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"montant": 12500.0,
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"dateNotification": "2025-03-15",
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"codeCPV": "45000000",
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"dureeRestanteMois": 6,
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"titulaire_distance": 42.0,
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}
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]
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)
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def test_table_module_imports():
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from src.utils import table
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assert hasattr(table, "prepare_table_data")
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def test_filter_table_data_does_not_call_track_search(monkeypatch, sample_lff):
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from src.utils import table
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calls = []
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monkeypatch.setattr(table, "track_search", lambda *a, **kw: calls.append(a))
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result = table.filter_table_data(
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sample_lff, "{objet} icontains travaux", "tableau"
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).collect()
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assert calls == []
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assert result.height == 1
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def test_normalize_sort_by_handles_empty():
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from src.utils.table import normalize_sort_by
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assert normalize_sort_by(None) == ()
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assert normalize_sort_by([]) == ()
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def test_normalize_sort_by_returns_hashable_tuple():
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from src.utils.table import normalize_sort_by
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sort_by = [
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{"column_id": "montant", "direction": "desc"},
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{"column_id": "dateNotification", "direction": "asc"},
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]
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key = normalize_sort_by(sort_by)
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assert key == (("montant", "desc"), ("dateNotification", "asc"))
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# Must be hashable so that flask-caching can build a cache key from it
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hash(key)
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def test_normalize_sort_by_preserves_order():
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"""Order matters for sort: [A, B] != [B, A]."""
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from src.utils.table import normalize_sort_by
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a_then_b = normalize_sort_by(
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[{"column_id": "a", "direction": "asc"}, {"column_id": "b", "direction": "asc"}]
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)
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b_then_a = normalize_sort_by(
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[{"column_id": "b", "direction": "asc"}, {"column_id": "a", "direction": "asc"}]
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)
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assert a_then_b != b_then_a
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