"""Forest placeholder art bytes."""

from imwald.core.forest_avatar import build_forest_avatar_png, build_forest_banner_png


def test_forest_avatar_png_magic() -> None:
    b = build_forest_avatar_png()
    assert b.startswith(b"\x89PNG\r\n\x1a\n")


def test_forest_banner_png_magic_and_seed_variation() -> None:
    a = build_forest_banner_png(seed=1)
    b = build_forest_banner_png(seed=2)
    assert a.startswith(b"\x89PNG\r\n\x1a\n")
    assert b.startswith(b"\x89PNG\r\n\x1a\n")
    assert a != b


def test_forest_avatar_seed_changes_bytes() -> None:
    assert build_forest_avatar_png(seed=1) != build_forest_avatar_png(seed=2)