chore: establish learning module baseline

OpenMAIC/packages/@openmaic/generation/test/scene-builder.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it } from 'vitest';
+import { validateScene } from '@openmaic/dsl';
+import { buildCompleteScene } from '@openmaic/generation';
+import { slideOutline } from './scene-fixtures.js';
+
+const content = {
+  elements: [
+    {
+      id: 'text-1',
+      type: 'text' as const,
+      left: 0,
+      top: 0,
+      width: 400,
+      height: 80,
+      content: 'Dependency injection',
+      rotate: 0,
+      lineHeight: 1,
+      fill: '#000000',
+      vertical: false,
+      defaultFontName: 'Arial',
+      defaultColor: '#000000',
+    },
+  ],
+};
+
+describe('buildCompleteScene', () => {
+  it('uses a random scene id by default', () => {
+    const first = buildCompleteScene(slideOutline(), content, [], 'stage-1');
+    const second = buildCompleteScene(slideOutline(), content, [], 'stage-1');
+    expect(first?.id).toBeTruthy();
+    expect(second?.id).toBeTruthy();
+    expect(first?.id).not.toBe(second?.id);
+  });
+
+  it('honors an injected id across retries/upserts', () => {
+    const first = buildCompleteScene(slideOutline(), content, [], 'stage-1', {
+      sceneId: 'stable-scene-id',
+    });
+    const retry = buildCompleteScene(slideOutline(), content, [], 'stage-1', {
+      sceneId: 'stable-scene-id',
+    });
+    expect(first?.id).toBe('stable-scene-id');
+    expect(retry?.id).toBe(first?.id);
+    expect(first?.outlineId).toBe('slide-1');
+    expect(validateScene(first)).toEqual({ valid: true });
+  });
+});