Forge-Engine/tests/test_animations.py

"""Tests de la timeline d'animation : clips Animate.css ou personnalisés
(images-clés), posés sur la piste d'un élément, avec un instant de départ
et une durée sur l'axe du temps (secondes depuis l'affichage de l'écran)."""

import json
import re
from typing import Any

from conftest import play_js_bundle  # type: ignore[import-not-found]  # resolu par pytest, pas mypy
from flask.testing import FlaskClient

import screens as screens_module
from tests.conftest import not_none


def _create_screen(client: FlaskClient, slug: str, name: str = "Accueil") -> Any:
    resp = client.post(f"/game/{slug}/screens/new", data={"name": name}, follow_redirects=False)
    return int(not_none(re.search(r"/screens/(\d+)/edit", resp.headers["Location"])).group(1))


def _add_element(client: FlaskClient, slug: str, screen_id: int, widget: str | None = None) -> Any:
    return screens_module.add_scene_object(slug, screen_id)


def test_animate_css_clip_persists(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    el_id = _add_element(client, game, screen_id)
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/animations/clips/add",
        data=json.dumps(
            {
                "element_id": el_id,
                "kind": "animate_css",
                "animate_name": "bounce",
                "start_time": "1.5",
                "duration": "2",
                "delay": "0",
                "easing": "ease",
                "iteration_count": "1",
            }
        ),
        content_type="application/json",
    )
    assert resp.status_code == 200
    clip = resp.get_json()
    assert clip["kind"] == "animate_css"
    assert clip["animate_name"] == "bounce"
    assert clip["start_time"] == 1.5
    assert clip["duration"] == 2.0
    assert clip["element_id"] == el_id


def test_custom_keyframes_clip_persists(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    el_id = _add_element(client, game, screen_id)
    keyframes = [{"percent": 0, "props": {"opacity": "0"}}, {"percent": 100, "props": {"opacity": "1"}}]
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/animations/clips/add",
        data=json.dumps(
            {
                "element_id": el_id,
                "kind": "custom",
                "custom_keyframes": keyframes,
                "start_time": "0",
                "duration": "3",
            }
        ),
        content_type="application/json",
    )
    assert resp.status_code == 200
    clip = resp.get_json()
    assert clip["kind"] == "custom"
    assert json.loads(clip["custom_keyframes"]) == keyframes


def test_clip_update_changes_timing(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    el_id = _add_element(client, game, screen_id)
    clip = client.post(
        f"/game/{game}/screens/{screen_id}/animations/clips/add",
        data=json.dumps({"element_id": el_id, "kind": "animate_css", "animate_name": "fadeIn"}),
        content_type="application/json",
    ).get_json()
    resp = client.post(
        f"/game/{game}/animations/clips/{clip['id']}/update",
        data=json.dumps({"start_time": "4", "duration": "0.5"}),
        content_type="application/json",
    )
    assert resp.status_code == 200
    updated = resp.get_json()
    assert updated["start_time"] == 4.0
    assert updated["duration"] == 0.5


def test_clip_delete_removes_it(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    el_id = _add_element(client, game, screen_id)
    clip = client.post(
        f"/game/{game}/screens/{screen_id}/animations/clips/add",
        data=json.dumps({"element_id": el_id, "kind": "animate_css", "animate_name": "tada"}),
        content_type="application/json",
    ).get_json()
    resp = client.post(f"/game/{game}/animations/clips/{clip['id']}/delete")
    assert resp.status_code == 200
    import screens

    assert screens.get_animation_clip(game, clip["id"]) is None


def test_scene_editor_loads_animate_css(client: FlaskClient, game: str) -> None:
    """L'onglet dédié "Timeline d'animation" (animTabPanel) n'existe que
    dans l'éditeur document, retiré — l'éditeur de scène 2D n'a pas encore
    d'UI dédiée pour poser un clip (voir templates/scene_edit.html), mais
    charge quand même animate.min.css (consommé par le runtime jouable,
    voir test_play_page_exposes_animation_runtime_and_animate_css) et
    l'API de clips ci-dessus reste pleinement fonctionnelle."""
    screen_id = _create_screen(client, game)
    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert "animate.min.css" in html


def test_play_page_exposes_animation_runtime_and_animate_css(client: FlaskClient, game: str) -> None:
    resp = client.get(f"/game/{game}/play")
    html = resp.data.decode()
    assert "animate.min.css" in html
    js = play_js_bundle()
    assert "runAnimationTimeline" in js
    assert "injectCustomKeyframes" in js


def test_play_page_payload_includes_clip(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    el_id = _add_element(client, game, screen_id, "titre")
    client.post(
        f"/game/{game}/screens/{screen_id}/animations/clips/add",
        data=json.dumps({"element_id": el_id, "kind": "animate_css", "animate_name": "pulse", "start_time": "2"}),
        content_type="application/json",
    )
    html = client.get(f"/game/{game}/play").data.decode()
    assert '"animate_name": "pulse"' in html
    assert '"start_time": 2.0' in html