Ajoute les visualisations temporelles des palettes

tests/test_colors_timeline_plot.py

@@ -0,0 +1,43 @@
+"""Tests des visualisations temporelles des couleurs."""
+
+import matplotlib
+from pathlib import Path
+
+from lib.plots.colors_timeline import plot_colors_heatmap, plot_translucent_share
+
+
+matplotlib.use("Agg")
+
+
+def test_plot_translucent_share(tmp_path: Path) -> None:
+    """Produit un graphique de part de translucides et diversité des couleurs."""
+    timeline_path = tmp_path / "colors_timeline.csv"
+    destination = tmp_path / "figures" / "step14" / "colors_translucent_share.png"
+    timeline_path.write_text(
+        "year,colors_distinct,colors_new,colors_lost,share_translucent,total_quantity,top_colors\n"
+        "2020,2,2,0,0.25,100,Blue (60),Red (40)\n"
+        "2021,3,1,0,0.40,120,Blue (50),Trans-Black (48)\n"
+    )
+
+    plot_translucent_share(timeline_path, destination)
+
+    assert destination.exists()
+    assert destination.stat().st_size > 0
+
+
+def test_plot_colors_heatmap(tmp_path: Path) -> None:
+    """Génère une heatmap année × couleur."""
+    matrix_path = tmp_path / "colors_year_color_matrix.csv"
+    destination = tmp_path / "figures" / "step14" / "colors_heatmap.png"
+    matrix_path.write_text(
+        "year,color_rgb,is_translucent,color_name,quantity_total\n"
+        "2020,AAAAAA,false,Gray,5\n"
+        "2020,BBBBBB,true,Trans-Black,2\n"
+        "2021,AAAAAA,false,Gray,3\n"
+        "2021,CCCCCC,false,Blue,4\n"
+    )
+
+    plot_colors_heatmap(matrix_path, destination)
+
+    assert destination.exists()
+    assert destination.stat().st_size > 0