"""Tests du graphique minifigs par personnage."""

import matplotlib
from pathlib import Path

from lib.plots.minifig_characters import plot_minifigs_per_character


matplotlib.use("Agg")


def test_plot_minifigs_per_character(tmp_path: Path) -> None:
    """Génère l'image de comptage par personnage."""
    counts_path = tmp_path / "counts.csv"
    destination = tmp_path / "figures" / "step22" / "minifig_characters.png"
    counts_path.write_text(
        "known_character,minifig_count\n"
        "Owen Grady,2\n"
        "Figurant,1\n"
    )

    plot_minifigs_per_character(counts_path, destination)

    assert destination.exists()
    assert destination.stat().st_size > 0