chore: establish learning module baseline

OpenMAIC/tests/media/media-placeholder.test.ts

@@ -0,0 +1,26 @@
+import { describe, expect, it } from 'vitest';
+import { isMediaPlaceholder } from '@/lib/store/media-generation';
+
+describe('isMediaPlaceholder', () => {
+  it.each([
+    ['gen_img_1', true],
+    ['gen_vid_any-value', true],
+    ['ast_arbitrary-opaque-id', true],
+    ['tts_s2_action_1', true],
+    ['another-provider-ref', true],
+    ['logo.png', true],
+    ['file:///tmp/logo.png', true],
+    ['C:\\media\\logo.png', true],
+    [' https://example.test/leading-space.png', true],
+    ['http://example.test/image.png', false],
+    ['https://example.test/video.mp4', false],
+    ['data:image/png;base64,AA==', false],
+    ['blob:browser-object-url', false],
+    ['/absolute/path.png', false],
+    ['./relative.png', false],
+    ['../parent-relative.png', false],
+    ['', false],
+  ])('classifies %j as %s', (src, expected) => {
+    expect(isMediaPlaceholder(src)).toBe(expected);
+  });
+});