further layout preview fixes

resources/js/admin/mobile/__tests__/qrLayoutUtils.test.ts

@@ -0,0 +1,55 @@
+import { describe, it, expect } from 'vitest';
+import type { EventQrInviteLayout } from '../../api';
+import { buildInitialTextFields } from '../QrLayoutCustomizePage';
+import { resolveLayoutForFormat } from '../QrPrintPage';
+
+describe('buildInitialTextFields', () => {
+  it('prefers event name for headline and default copy when customization is missing', () => {
+    const layoutDefaults = {
+      id: 'evergreen-vows',
+      name: 'Evergreen Vows',
+      description: 'Old description',
+    } as EventQrInviteLayout;
+
+    const fields = buildInitialTextFields({
+      customization: null,
+      layoutDefaults,
+      eventName: 'Sommerfest 2025',
+    });
+
+    expect(fields.headline).toBe('Sommerfest 2025');
+    expect(fields.description).toBe('Helft uns, diesen besonderen Tag mit euren schönen Momenten festzuhalten.');
+    expect(fields.instructions).toHaveLength(3);
+  });
+
+  it('uses customization when provided', () => {
+    const fields = buildInitialTextFields({
+      customization: {
+        headline: 'Custom',
+        description: 'Desc',
+        instructions: ['One', 'Two'],
+      },
+      layoutDefaults: null,
+      eventName: 'Ignored',
+    });
+
+    expect(fields.headline).toBe('Custom');
+    expect(fields.description).toBe('Desc');
+    expect(fields.instructions).toEqual(['One', 'Two']);
+  });
+});
+
+describe('resolveLayoutForFormat', () => {
+  const layouts: EventQrInviteLayout[] = [
+    { id: 'portrait-a4', paper: 'a4', orientation: 'portrait', panel_mode: 'single', format_hint: 'poster-a4' } as EventQrInviteLayout,
+    { id: 'foldable', paper: 'a4', orientation: 'landscape', panel_mode: 'double-mirror', format_hint: 'foldable-a5' } as EventQrInviteLayout,
+  ];
+
+  it('returns portrait layout for A4 poster', () => {
+    expect(resolveLayoutForFormat('a4-poster', layouts)).toBe('portrait-a4');
+  });
+
+  it('returns foldable layout for A5 foldable', () => {
+    expect(resolveLayoutForFormat('a5-foldable', layouts)).toBe('foldable');
+  });
+});