Ajoute l’étape 25 de répartition des minifigs par genre

tests/test_minifig_characters.py

@@ -4,10 +4,12 @@ from pathlib import Path
 
 from lib.rebrickable.minifig_characters import (
     aggregate_by_character,
+    aggregate_by_gender,
     aggregate_character_spans,
     aggregate_presence_by_year,
     load_sets_enriched,
     write_character_counts,
+    write_gender_counts,
 )
 
 
@@ -66,6 +68,24 @@ def test_aggregate_by_character_counts_unique_figs() -> None:
     ]
 
 
+def test_aggregate_by_gender_counts_unique_figs() -> None:
+    """Compter les minifigs distinctes par genre."""
+    aggregates = aggregate_by_gender(
+        [
+            {"fig_num": "fig-a", "gender": "male"},
+            {"fig_num": "fig-a", "gender": "male"},
+            {"fig_num": "fig-b", "gender": "female"},
+            {"fig_num": "fig-c", "gender": ""},
+        ]
+    )
+
+    assert aggregates == [
+        {"gender": "female", "minifig_count": "1"},
+        {"gender": "male", "minifig_count": "1"},
+        {"gender": "unknown", "minifig_count": "1"},
+    ]
+
+
 def test_write_character_counts_outputs_csv(tmp_path: Path) -> None:
     """Écrit le CSV des comptes par personnage."""
     destination = tmp_path / "counts.csv"
@@ -79,6 +99,19 @@ def test_write_character_counts_outputs_csv(tmp_path: Path) -> None:
     assert destination.read_text() == "known_character,gender,minifig_count\nA,male,2\nB,female,1\n"
 
 
+def test_write_gender_counts_outputs_csv(tmp_path: Path) -> None:
+    """Écrit le CSV des comptes par genre."""
+    destination = tmp_path / "gender_counts.csv"
+    rows = [
+        {"gender": "male", "minifig_count": "2"},
+        {"gender": "female", "minifig_count": "1"},
+    ]
+
+    write_gender_counts(destination, rows)
+
+    assert destination.read_text() == "gender,minifig_count\nmale,2\nfemale,1\n"
+
+
 def test_aggregate_presence_by_year_excludes_figurants(tmp_path: Path) -> None:
     """Calcule le total annuel en excluant les figurants."""
     sets_path = tmp_path / "sets_enriched.csv"