feuerwerk/tests/editor/scene-visibility.test.ts

/**
 * What the scene view shows of each placeable type – symbol, name, a collider's outline. It lives
 * in the project like the game scale: saved, but never an undo step.
 */
import { describe, expect, it } from 'vitest';
import { createEmptyProject } from '../../src/core/model/Project';
import {
  defaultSceneVisibility,
  sceneVisibilityOf,
  shows,
  VISIBILITY_TYPES,
  visibilityParts,
} from '../../src/core/model/sceneVisibility';
import { deserializeProject, serializeProject } from '../../src/core/store/serialize';
import { EditorState } from '../../src/editor/state';

function loaded() {
  const state = new EditorState();
  state.loadProject(createEmptyProject('p', 'P'), 1);
  return state;
}

describe('scene visibility', () => {
  it('lists every placeable type, Behavior to Tilemap', () => {
    expect(VISIBILITY_TYPES).toEqual([
      'behavior',
      'camera',
      'collider',
      'container',
      'particles',
      'rigidbody',
      'sprite',
      'text',
      'tilemap',
    ]);
  });

  it('gives a symbol switch only to types with a symbol, and an outline switch to what collides', () => {
    expect(visibilityParts('behavior')).toEqual(['symbol', 'label']);
    expect(visibilityParts('collider')).toEqual(['symbol', 'label', 'shape']);
    expect(visibilityParts('sprite')).toEqual(['label']);
    expect(visibilityParts('tilemap')).toEqual(['label', 'shape']);
  });

  it('shows what it always showed in a new project and in one written before there was any', () => {
    for (const visibility of [
      createEmptyProject('p', 'P').sceneVisibility,
      deserializeProject({ id: 'p', name: 'P', assets: [] }).sceneVisibility,
    ]) {
      expect(shows(visibility, 'behavior', 'symbol')).toBe(true);
      expect(shows(visibility, 'behavior', 'label')).toBe(true);
      expect(shows(visibility, 'collider', 'shape')).toBe(true);
      expect(shows(visibility, 'tilemap', 'shape')).toBe(true);
      expect(shows(visibility, 'sprite', 'label')).toBe(false);
      expect(shows(visibility, 'sprite', 'shape')).toBe(true);
    }
  });

  it('survives a save and a load', () => {
    const project = createEmptyProject('p', 'P');
    project.sceneVisibility.collider.shape = false;
    project.sceneVisibility.tilemap.shape = false;
    project.sceneVisibility.rigidbody.label = false;
    project.sceneVisibility.sprite.label = true;
    const back = deserializeProject(JSON.parse(JSON.stringify(serializeProject(project)))).sceneVisibility;
    expect(back.collider.shape).toBe(false);
    expect(back.tilemap.shape).toBe(false);
    expect(back.rigidbody.label).toBe(false);
    expect(back.sprite.label).toBe(true);
    expect(back.behavior).toEqual(defaultSceneVisibility().behavior);
  });

  it('reads untrusted JSON part by part, the rest as the defaults', () => {
    const read = sceneVisibilityOf({
      sceneVisibility: { camera: { symbol: false, label: 'no' }, texture: { label: true }, text: 3 },
    });
    expect(read.camera).toEqual({ symbol: false, label: true, shape: true });
    expect(read.text).toEqual(defaultSceneVisibility().text);
    expect('texture' in read).toBe(false);
    expect(sceneVisibilityOf(null)).toEqual(defaultSceneVisibility());
  });

  it('never hides what a type does not have to hide', () => {
    const visibility = defaultSceneVisibility();
    visibility.sprite.symbol = false;
    visibility.sprite.shape = false;
    expect(shows(visibility, 'sprite', 'shape')).toBe(true);
    visibility.behavior.shape = false;
    expect(shows(visibility, 'behavior', 'shape')).toBe(true);
  });

  it('saves a switch without an undo step', () => {
    const state = loaded();
    state.setSceneVisibility('collider', 'shape', false);
    expect(state.project.sceneVisibility.collider.shape).toBe(false);
    expect(state.saveStatus).toBe('dirty');
    expect(state.commands.canUndo).toBe(false);
  });

  it('keeps a switch flipped while playing after Stop', () => {
    const state = loaded();
    state.enterPlay();
    state.setSceneVisibility('behavior', 'label', false);
    expect(state.project.sceneVisibility.behavior.label).toBe(false);
    state.exitPlay();
    expect(state.project.sceneVisibility.behavior.label).toBe(false);
  });
});