expo-popcore-app/hooks/use-user-likes.test.ts

652 lines
16 KiB
TypeScript

import { renderHook, act } from '@testing-library/react-native'
import { useUserLikes } from './use-user-likes'
import { root } from '@repo/core'
import { TemplateSocialController } from '@repo/sdk'
import { handleError } from './use-error'
jest.mock('@repo/core', () => ({
root: {
get: jest.fn(),
},
}))
jest.mock('./use-error', () => ({
handleError: jest.fn(async (cb) => {
try {
const data = await cb()
return { data, error: null }
} catch (e) {
return { data: null, error: e }
}
}),
}))
describe('useUserLikes', () => {
beforeEach(() => {
jest.clearAllMocks()
})
afterEach(() => {
jest.restoreAllMocks()
})
describe('initial state', () => {
it('should return initial state with no data', () => {
const { result } = renderHook(() => useUserLikes())
expect(result.current.data).toBeUndefined()
expect(result.current.likes).toEqual([])
expect(result.current.loading).toBe(false)
expect(result.current.loadingMore).toBe(false)
expect(result.current.error).toBeNull()
expect(result.current.hasMore).toBe(true)
})
})
describe('execute function', () => {
it('should load user likes successfully', async () => {
const mockData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
template: { id: 'template-1', name: 'Template 1' },
},
{
id: '2',
templateId: 'template-2',
createdAt: new Date('2024-01-02'),
template: { id: 'template-2', name: 'Template 2' },
},
],
total: 2,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(mockController.getUserLikes).toHaveBeenCalledWith({
limit: 20,
page: 1,
})
expect(result.current.data).toEqual(mockData)
expect(result.current.likes).toEqual(mockData.likes)
expect(result.current.error).toBeNull()
expect(result.current.hasMore).toBe(false)
})
it('should handle API errors', async () => {
const mockError = {
status: 500,
statusText: 'Internal Server Error',
message: 'Failed to load user likes',
}
const mockController = {
getUserLikes: jest.fn().mockRejectedValue(mockError),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(result.current.error).toEqual(mockError)
expect(result.current.data).toBeUndefined()
})
it('should merge custom params with defaults', async () => {
const mockData = {
likes: [],
total: 0,
page: 2,
limit: 10,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute({ page: 2, limit: 10 })
})
expect(mockController.getUserLikes).toHaveBeenCalledWith({
limit: 10,
page: 2,
})
})
it('should use initial params', async () => {
const mockData = {
likes: [],
total: 0,
page: 1,
limit: 50,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes({ limit: 50 }))
await act(async () => {
await result.current.execute()
})
expect(mockController.getUserLikes).toHaveBeenCalledWith({
limit: 50,
page: 1,
})
})
it('should support search parameter', async () => {
const mockData = {
likes: [],
total: 0,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute({ search: 'test' })
})
expect(mockController.getUserLikes).toHaveBeenCalledWith({
limit: 20,
page: 1,
search: 'test',
})
})
})
describe('loading state', () => {
it('should set loading to true during fetch', async () => {
let resolveFetch: (value: any) => void
const fetchPromise = new Promise((resolve) => {
resolveFetch = resolve
})
const mockController = {
getUserLikes: jest.fn().mockReturnValue(fetchPromise),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
act(() => {
result.current.execute()
})
expect(result.current.loading).toBe(true)
await act(async () => {
resolveFetch!({ likes: [], total: 0, page: 1, limit: 20 })
await fetchPromise
})
expect(result.current.loading).toBe(false)
})
it('should set loading to false after error', async () => {
const mockError = { status: 500, message: 'Error' }
const mockController = {
getUserLikes: jest.fn().mockRejectedValue(mockError),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(result.current.loading).toBe(false)
})
})
describe('pagination - loadMore', () => {
it('should load more likes and append to existing data', async () => {
const page1Data = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
{
id: '2',
templateId: 'template-2',
createdAt: new Date('2024-01-02'),
},
],
total: 4,
page: 1,
limit: 2,
}
const page2Data = {
likes: [
{
id: '3',
templateId: 'template-3',
createdAt: new Date('2024-01-03'),
},
{
id: '4',
templateId: 'template-4',
createdAt: new Date('2024-01-04'),
},
],
total: 4,
page: 2,
limit: 2,
}
const mockController = {
getUserLikes: jest.fn()
.mockResolvedValueOnce(page1Data)
.mockResolvedValueOnce(page2Data),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes({ limit: 2 }))
await act(async () => {
await result.current.execute()
})
expect(result.current.likes).toHaveLength(2)
expect(result.current.hasMore).toBe(true)
await act(async () => {
await result.current.loadMore()
})
expect(result.current.likes).toHaveLength(4)
expect(result.current.likes).toEqual([
...page1Data.likes,
...page2Data.likes,
])
expect(result.current.hasMore).toBe(false)
})
it('should not load more if already loading', async () => {
let resolveFetch: (value: any) => void
const fetchPromise = new Promise((resolve) => {
resolveFetch = resolve
})
const mockController = {
getUserLikes: jest.fn().mockReturnValue(fetchPromise),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
act(() => {
result.current.execute()
})
act(() => {
result.current.loadMore()
})
await act(async () => {
resolveFetch!({ likes: [], total: 0, page: 1, limit: 20 })
await fetchPromise
})
expect(mockController.getUserLikes).toHaveBeenCalledTimes(1)
})
it('should not load more if no more data', async () => {
const mockData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 1,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(result.current.hasMore).toBe(false)
await act(async () => {
await result.current.loadMore()
})
expect(mockController.getUserLikes).toHaveBeenCalledTimes(1)
})
it('should set loadingMore state correctly', async () => {
const page1Data = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 2,
page: 1,
limit: 1,
}
let resolveLoadMore: (value: any) => void
const loadMorePromise = new Promise((resolve) => {
resolveLoadMore = resolve
})
const mockController = {
getUserLikes: jest.fn()
.mockResolvedValueOnce(page1Data)
.mockReturnValueOnce(loadMorePromise),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes({ limit: 1 }))
await act(async () => {
await result.current.execute()
})
act(() => {
result.current.loadMore()
})
expect(result.current.loadingMore).toBe(true)
await act(async () => {
resolveLoadMore!({
likes: [
{
id: '2',
templateId: 'template-2',
createdAt: new Date('2024-01-02'),
},
],
total: 2,
page: 2,
limit: 1,
})
await loadMorePromise
})
expect(result.current.loadingMore).toBe(false)
})
})
describe('refetch function', () => {
it('should reset and reload data from page 1', async () => {
const initialData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 1,
page: 1,
limit: 20,
}
const refreshedData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
{
id: '2',
templateId: 'template-2',
createdAt: new Date('2024-01-02'),
},
],
total: 2,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn()
.mockResolvedValueOnce(initialData)
.mockResolvedValueOnce(refreshedData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(result.current.likes).toHaveLength(1)
await act(async () => {
await result.current.refetch()
})
expect(result.current.likes).toHaveLength(2)
expect(mockController.getUserLikes).toHaveBeenCalledTimes(2)
})
it('should reset hasMore flag', async () => {
const mockData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 1,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(result.current.hasMore).toBe(false)
await act(async () => {
await result.current.refetch()
})
expect(result.current.hasMore).toBe(false)
})
})
describe('hasMore flag', () => {
it('should calculate hasMore when more pages exist', async () => {
const mockData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 40,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
// total: 40, limit: 20 -> totalPages: 2
// page: 1 < totalPages: 2 -> hasMore: true
expect(result.current.hasMore).toBe(true)
})
it('should set hasMore to false on last page', async () => {
const mockData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 20,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn().mockResolvedValue(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
// total: 20, limit: 20 -> totalPages: 1
// page: 1 >= totalPages: 1 -> hasMore: false
expect(result.current.hasMore).toBe(false)
})
})
describe('error handling', () => {
it('should clear error on successful execute', async () => {
const mockError = { status: 500, message: 'Error' }
const mockData = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 1,
page: 1,
limit: 20,
}
const mockController = {
getUserLikes: jest.fn()
.mockRejectedValueOnce(mockError)
.mockResolvedValueOnce(mockData),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes())
await act(async () => {
await result.current.execute()
})
expect(result.current.error).toEqual(mockError)
await act(async () => {
await result.current.execute()
})
expect(result.current.error).toBeNull()
})
it('should handle loadMore errors without affecting existing data', async () => {
const page1Data = {
likes: [
{
id: '1',
templateId: 'template-1',
createdAt: new Date('2024-01-01'),
},
],
total: 2,
page: 1,
limit: 1,
}
const mockError = { status: 500, message: 'Error loading more' }
const mockController = {
getUserLikes: jest.fn()
.mockResolvedValueOnce(page1Data)
.mockRejectedValueOnce(mockError),
}
;(root.get as jest.Mock).mockReturnValue(mockController)
const { result } = renderHook(() => useUserLikes({ limit: 1 }))
await act(async () => {
await result.current.execute()
})
expect(result.current.likes).toHaveLength(1)
await act(async () => {
await result.current.loadMore()
})
expect(result.current.likes).toHaveLength(1)
expect(result.current.loadingMore).toBe(false)
})
})
})