Squash merge feat/expo-app: app-expo, .cursor, workflows, package.json, .husky; remove app-android, app-ios, react-app

app-expo/tests/features/memoir/mappers.test.ts

@@ -0,0 +1,101 @@
+import { toChapterViewModel } from '@/features/memoir/mappers';
+import type { Chapter, ImageAsset } from '@/features/memoir/types';
+
+function makeImage(overrides: Partial<ImageAsset> = {}): ImageAsset {
+  return {
+    placeholder: 'img_1',
+    description: 'A scene',
+    index: 0,
+    status: 'completed',
+    prompt: null,
+    url: 'https://example.com/img.jpg',
+    provider: null,
+    style: null,
+    size: null,
+    error: null,
+    retryable: null,
+    created_at: null,
+    updated_at: null,
+    ...overrides,
+  };
+}
+
+function makeChapter(overrides: Partial<Chapter> = {}): Chapter {
+  return {
+    id: 'ch-1',
+    title: '童年',
+    content: '一些内容',
+    order_index: 0,
+    status: 'ready',
+    category: 'childhood',
+    images: [],
+    cover_image: null,
+    sections: [{ content: '段落1', image: null }],
+    updated_at: '2026-01-01T00:00:00Z',
+    is_new: false,
+    source_segments: [],
+    ...overrides,
+  };
+}
+
+describe('toChapterViewModel', () => {
+  test('maps basic chapter fields', () => {
+    const vm = toChapterViewModel(makeChapter());
+
+    expect(vm.id).toBe('ch-1');
+    expect(vm.title).toBe('童年');
+    expect(vm.category).toBe('childhood');
+    expect(vm.orderIndex).toBe(0);
+    expect(vm.isEmpty).toBe(false);
+    expect(vm.isNew).toBe(false);
+    expect(vm.sections).toHaveLength(1);
+  });
+
+  test('detects empty chapters', () => {
+    const vm = toChapterViewModel(
+      makeChapter({ status: 'empty', content: '' }),
+    );
+    expect(vm.isEmpty).toBe(true);
+  });
+
+  test('derives image status counts correctly', () => {
+    const images = [
+      makeImage({ status: 'completed' }),
+      makeImage({ status: 'pending' }),
+      makeImage({ status: 'processing' }),
+      makeImage({ status: 'failed' }),
+    ];
+
+    const vm = toChapterViewModel(makeChapter({ images }));
+
+    expect(vm.hasImages).toBe(true);
+    expect(vm.allImagesReady).toBe(false);
+    expect(vm.pendingImageCount).toBe(2);
+    expect(vm.failedImageCount).toBe(1);
+  });
+
+  test('allImagesReady is true when all completed', () => {
+    const images = [
+      makeImage({ status: 'completed' }),
+      makeImage({ status: 'completed' }),
+    ];
+
+    const vm = toChapterViewModel(makeChapter({ images }));
+
+    expect(vm.allImagesReady).toBe(true);
+    expect(vm.pendingImageCount).toBe(0);
+    expect(vm.failedImageCount).toBe(0);
+  });
+
+  test('extracts cover image URL', () => {
+    const cover = makeImage({ url: 'https://example.com/cover.jpg' });
+    const vm = toChapterViewModel(makeChapter({ cover_image: cover }));
+
+    expect(vm.coverImageUrl).toBe('https://example.com/cover.jpg');
+  });
+
+  test('cover image URL is null when no cover', () => {
+    const vm = toChapterViewModel(makeChapter({ cover_image: null }));
+    expect(vm.coverImageUrl).toBeNull();
+  });
+});