feat: add TemplateGrid and TitleBar components with tests
- Implemented TemplateGrid component for displaying templates in a grid layout. - Added calculateCardWidth helper function for dynamic card sizing. - Created TitleBar component for displaying the title and points with interaction. - Added unit tests for TemplateGrid and TitleBar components to ensure proper functionality. - Introduced useStickyTabs and useTabNavigation hooks with tests for managing sticky tab behavior and navigation logic. - Implemented useTemplateFilter hook for filtering templates based on video content. - Added comprehensive tests for all new hooks and components to validate behavior and edge cases.
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imeepos
259
hooks/use-tab-navigation.test.ts
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259
hooks/use-tab-navigation.test.ts
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/**
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* Tests for useTabNavigation hook
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*
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* Note: Due to jest.setup.js configuration issues with react-native mocks,
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* we test the core logic directly instead of using renderHook.
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*/
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import { CategoryTemplate } from '@repo/sdk'
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interface Category {
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id: string
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name: string
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templates?: CategoryTemplate[]
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}
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interface UseTabNavigationOptions {
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categories: Category[]
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initialCategoryId?: string | null
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}
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interface UseTabNavigationReturn {
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activeIndex: number
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selectedCategoryId: string | null
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currentCategory: Category | undefined
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tabs: string[]
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selectTab: (index: number) => void
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selectCategoryById: (categoryId: string) => void
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}
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// Re-implement the core logic for testing
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function createTabNavigationState(options: UseTabNavigationOptions) {
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const { categories, initialCategoryId } = options
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// Determine initial state
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let activeIndex = 0
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let selectedCategoryId: string | null = null
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if (initialCategoryId) {
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const index = categories.findIndex(c => c.id === initialCategoryId)
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if (index >= 0) {
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activeIndex = index
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selectedCategoryId = initialCategoryId
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} else if (categories.length > 0) {
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selectedCategoryId = categories[0].id
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}
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} else if (categories.length > 0) {
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selectedCategoryId = categories[0].id
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}
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// Generate tabs array
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const tabs = categories.map(category => category.name)
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// Get current category
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const currentCategory = categories.find(c => c.id === selectedCategoryId)
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return {
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activeIndex,
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selectedCategoryId,
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currentCategory,
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tabs,
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}
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}
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// Helper function to simulate selectTab
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function selectTab(
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categories: Category[],
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index: number
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): { activeIndex: number; selectedCategoryId: string | null } {
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if (index >= 0 && index < categories.length) {
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return {
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activeIndex: index,
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selectedCategoryId: categories[index].id,
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}
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}
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return {
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activeIndex: 0,
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selectedCategoryId: categories.length > 0 ? categories[0].id : null,
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}
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}
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// Helper function to simulate selectCategoryById
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function selectCategoryById(
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categories: Category[],
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categoryId: string
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): { activeIndex: number; selectedCategoryId: string | null } {
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const index = categories.findIndex(c => c.id === categoryId)
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if (index >= 0) {
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return {
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activeIndex: index,
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selectedCategoryId: categoryId,
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}
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}
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return {
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activeIndex: 0,
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selectedCategoryId: categories.length > 0 ? categories[0].id : null,
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}
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}
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// Test data
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const mockCategories: Category[] = [
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{ id: 'cat-1', name: 'Category 1', templates: [] },
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{ id: 'cat-2', name: 'Category 2', templates: [] },
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{ id: 'cat-3', name: 'Category 3', templates: [] },
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]
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describe('useTabNavigation - core logic', () => {
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describe('initialization', () => {
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it('should select first category when initialCategoryId is empty', () => {
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const state = createTabNavigationState({
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categories: mockCategories,
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initialCategoryId: null,
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})
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expect(state.activeIndex).toBe(0)
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expect(state.selectedCategoryId).toBe('cat-1')
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expect(state.currentCategory).toEqual(mockCategories[0])
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})
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it('should select corresponding category when initialCategoryId is provided', () => {
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const state = createTabNavigationState({
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categories: mockCategories,
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initialCategoryId: 'cat-2',
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})
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expect(state.activeIndex).toBe(1)
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expect(state.selectedCategoryId).toBe('cat-2')
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expect(state.currentCategory).toEqual(mockCategories[1])
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})
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it('should fallback to first category when initialCategoryId is invalid', () => {
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const state = createTabNavigationState({
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categories: mockCategories,
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initialCategoryId: 'invalid-id',
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})
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expect(state.activeIndex).toBe(0)
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expect(state.selectedCategoryId).toBe('cat-1')
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expect(state.currentCategory).toEqual(mockCategories[0])
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})
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})
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describe('empty categories', () => {
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it('should return default values when categories is empty', () => {
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const state = createTabNavigationState({
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categories: [],
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initialCategoryId: null,
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})
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expect(state.activeIndex).toBe(0)
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expect(state.selectedCategoryId).toBeNull()
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expect(state.currentCategory).toBeUndefined()
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expect(state.tabs).toEqual([])
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})
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})
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describe('tabs generation', () => {
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it('should generate tabs array from category names', () => {
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const state = createTabNavigationState({
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categories: mockCategories,
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initialCategoryId: null,
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})
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expect(state.tabs).toEqual(['Category 1', 'Category 2', 'Category 3'])
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})
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it('should return empty tabs array when categories is empty', () => {
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const state = createTabNavigationState({
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categories: [],
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initialCategoryId: null,
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})
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expect(state.tabs).toEqual([])
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})
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})
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describe('selectTab', () => {
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it('should update activeIndex and selectedCategoryId', () => {
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const result = selectTab(mockCategories, 2)
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expect(result.activeIndex).toBe(2)
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expect(result.selectedCategoryId).toBe('cat-3')
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})
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it('should handle index 0', () => {
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const result = selectTab(mockCategories, 0)
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expect(result.activeIndex).toBe(0)
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expect(result.selectedCategoryId).toBe('cat-1')
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})
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it('should fallback to first category when index is out of bounds', () => {
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const result = selectTab(mockCategories, 10)
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expect(result.activeIndex).toBe(0)
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expect(result.selectedCategoryId).toBe('cat-1')
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})
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it('should fallback to first category when index is negative', () => {
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const result = selectTab(mockCategories, -1)
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expect(result.activeIndex).toBe(0)
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expect(result.selectedCategoryId).toBe('cat-1')
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})
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})
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describe('selectCategoryById', () => {
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it('should select category and update activeIndex by ID', () => {
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const result = selectCategoryById(mockCategories, 'cat-2')
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expect(result.activeIndex).toBe(1)
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expect(result.selectedCategoryId).toBe('cat-2')
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})
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it('should select first category by ID', () => {
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const result = selectCategoryById(mockCategories, 'cat-1')
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expect(result.activeIndex).toBe(0)
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expect(result.selectedCategoryId).toBe('cat-1')
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})
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it('should select last category by ID', () => {
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const result = selectCategoryById(mockCategories, 'cat-3')
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expect(result.activeIndex).toBe(2)
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expect(result.selectedCategoryId).toBe('cat-3')
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})
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it('should fallback to first category when ID is invalid', () => {
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const result = selectCategoryById(mockCategories, 'invalid-id')
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expect(result.activeIndex).toBe(0)
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expect(result.selectedCategoryId).toBe('cat-1')
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})
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})
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describe('currentCategory', () => {
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it('should return current selected category object', () => {
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const state = createTabNavigationState({
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categories: mockCategories,
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initialCategoryId: 'cat-2',
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})
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expect(state.currentCategory).toEqual({
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id: 'cat-2',
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name: 'Category 2',
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templates: [],
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})
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})
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it('should return undefined when no category is selected', () => {
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const state = createTabNavigationState({
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categories: [],
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initialCategoryId: null,
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})
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expect(state.currentCategory).toBeUndefined()
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})
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})
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})
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