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480 lines
14 KiB
TypeScript
480 lines
14 KiB
TypeScript
// Comprehensive unit tests for SearchInput component
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import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
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import { render, screen, fireEvent, waitFor } from '@testing-library/react'
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import userEvent from '@testing-library/user-event'
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import SearchInput from '../../../src/components/SearchInput/index'
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import { useState } from 'react'
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// Mock the Input component from ui (matching relative import in component)
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vi.mock('../../../src/components/ui/input', () => ({
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Input: vi.fn().mockImplementation((props) => {
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const { leadingIcon, ...restProps } = props
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return (
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<div className="relative w-full">
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{leadingIcon && <div className="leading-icon-wrapper">{leadingIcon}</div>}
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<input {...restProps} />
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</div>
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)
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})
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}))
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// Mock lucide-react
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vi.mock('lucide-react', () => ({
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Search: vi.fn().mockImplementation((props) => <div data-testid="search-icon" {...props} />)
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}))
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// Mock i18next
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vi.mock('react-i18next', () => ({
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useTranslation: () => ({
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t: (key: string) => {
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if (key === 'setting.search-mcp') return 'Search MCPs'
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return key
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}
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})
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}))
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describe('SearchInput Component', () => {
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const defaultProps = {
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value: '',
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onChange: vi.fn()
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}
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beforeEach(() => {
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vi.clearAllMocks()
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})
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afterEach(() => {
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vi.clearAllMocks()
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})
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describe('Initial Render', () => {
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it('should render input field', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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expect(input).toBeInTheDocument()
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})
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it('should render with empty value initially', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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expect(input).toHaveValue('')
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})
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it('should render with provided value', () => {
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render(<SearchInput {...defaultProps} value="test search" />)
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const input = screen.getByRole('textbox')
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expect(input).toHaveValue('test search')
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})
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it('should render search icon', () => {
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render(<SearchInput {...defaultProps} />)
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const searchIcons = screen.getAllByTestId('search-icon')
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expect(searchIcons.length).toBeGreaterThan(0)
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})
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})
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describe('Placeholder Behavior', () => {
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it('should have placeholder attribute', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByPlaceholderText('Search MCPs')
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expect(input).toBeInTheDocument()
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})
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it('should show placeholder when value is empty', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByPlaceholderText('Search MCPs')
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expect(input).toHaveValue('')
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})
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it('should not show placeholder text when input has value', () => {
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render(<SearchInput {...defaultProps} value="search term" />)
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const input = screen.getByRole('textbox') as HTMLInputElement
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expect(input.value).toBe('search term')
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})
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it('should maintain placeholder after focus and blur when empty', async () => {
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const user = userEvent.setup()
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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// Focus the input
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await user.click(input)
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// Blur the input
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await user.tab()
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// Placeholder should still be present
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expect(screen.getByPlaceholderText('Search MCPs')).toBeInTheDocument()
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})
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})
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describe('Focus States', () => {
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it('should handle focus event', async () => {
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const user = userEvent.setup()
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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await user.click(input)
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expect(input).toHaveFocus()
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})
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it('should handle blur event', async () => {
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const user = userEvent.setup()
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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await user.click(input)
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await user.tab()
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expect(input).not.toHaveFocus()
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})
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it('should accept text input when focused', async () => {
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const user = userEvent.setup()
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const mockOnChange = vi.fn()
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render(<SearchInput value="" onChange={mockOnChange} />)
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const input = screen.getByRole('textbox')
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await user.click(input)
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await user.keyboard('test')
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expect(mockOnChange).toHaveBeenCalled()
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})
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})
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describe('Input Handling', () => {
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it('should call onChange when input value changes', async () => {
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const user = userEvent.setup()
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// Use a controlled wrapper so typing updates the input's value reliably in tests
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const Controlled = () => {
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const [val, setVal] = useState('')
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return <SearchInput value={val} onChange={(e: any) => setVal(e.target.value)} />
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}
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render(<Controlled />)
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const input = screen.getByRole('textbox') as HTMLInputElement
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await user.type(input, 'test')
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// The DOM input should now contain 'test'
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expect(input.value).toBe('test')
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})
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it('should handle backspace correctly', async () => {
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const user = userEvent.setup()
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// Controlled instance to reflect backspace in DOM
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const Controlled = () => {
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const [val, setVal] = useState('test')
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return <SearchInput value={val} onChange={(e: any) => setVal(e.target.value)} />
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}
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render(<Controlled />)
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const input = screen.getByRole('textbox') as HTMLInputElement
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await user.click(input)
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await user.keyboard('{Backspace}')
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// The DOM input should have one less character
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expect(input.value).toBe('tes')
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})
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it('should handle clear input', async () => {
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const user = userEvent.setup()
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const Controlled = () => {
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const [val, setVal] = useState('test')
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return <SearchInput value={val} onChange={(e: any) => setVal(e.target.value)} />
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}
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render(<Controlled />)
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const input = screen.getByRole('textbox') as HTMLInputElement
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await user.clear(input)
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expect(input.value).toBe('')
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})
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})
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describe('Icon Positioning', () => {
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it('should render search icon in component', () => {
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render(<SearchInput {...defaultProps} />)
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const searchIcon = screen.getByTestId('search-icon')
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expect(searchIcon).toBeInTheDocument()
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})
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it('should include leading icon when value is empty', () => {
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render(<SearchInput {...defaultProps} />)
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// The component should render with a leading icon
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const iconWrapper = document.querySelector('.leading-icon-wrapper')
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expect(iconWrapper).toBeInTheDocument()
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})
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it('should include leading icon when input has value', () => {
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render(<SearchInput {...defaultProps} value="test" />)
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// The component should render with a leading icon
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const iconWrapper = document.querySelector('.leading-icon-wrapper')
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expect(iconWrapper).toBeInTheDocument()
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})
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})
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describe('Styling and Classes', () => {
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it('should render within a container with relative positioning', () => {
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render(<SearchInput {...defaultProps} />)
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const container = screen.getByRole('textbox').parentElement
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expect(container).toHaveClass('relative', 'w-full')
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})
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it('should apply placeholder to input', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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expect(input).toHaveAttribute('placeholder', 'Search MCPs')
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})
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it('should render search icon component', () => {
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render(<SearchInput {...defaultProps} />)
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const searchIcon = screen.getByTestId('search-icon')
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expect(searchIcon).toBeInTheDocument()
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})
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})
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describe('Keyboard Navigation', () => {
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it('should handle Tab key for navigation', async () => {
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const user = userEvent.setup()
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render(
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<div>
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<SearchInput {...defaultProps} />
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<button>Next Element</button>
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</div>
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)
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const input = screen.getByRole('textbox')
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const button = screen.getByRole('button')
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await user.click(input)
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expect(input).toHaveFocus()
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await user.tab()
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expect(button).toHaveFocus()
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})
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it('should handle Shift+Tab for reverse navigation', async () => {
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const user = userEvent.setup()
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render(
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<div>
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<button>Previous Element</button>
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<SearchInput {...defaultProps} />
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</div>
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)
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const input = screen.getByRole('textbox')
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const button = screen.getByRole('button')
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await user.click(input)
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expect(input).toHaveFocus()
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await user.keyboard('{Shift>}{Tab}{/Shift}')
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expect(button).toHaveFocus()
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})
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it('should handle Enter key', async () => {
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const user = userEvent.setup()
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const mockOnChange = vi.fn()
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render(<SearchInput value="test" onChange={mockOnChange} />)
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const input = screen.getByRole('textbox')
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await user.click(input)
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await user.keyboard('{Enter}')
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// Enter key should not change the value
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expect(mockOnChange).not.toHaveBeenCalledWith(
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expect.objectContaining({
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target: expect.objectContaining({
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value: expect.stringContaining('\n')
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})
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})
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)
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})
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it('should handle Escape key', async () => {
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const user = userEvent.setup()
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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await user.click(input)
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expect(input).toHaveFocus()
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await user.keyboard('{Escape}')
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// Component doesn't implement Escape key handling, so focus remains
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// This is expected behavior for a simple search input
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expect(input).toHaveFocus()
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})
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})
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describe('Accessibility', () => {
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it('should have proper role attribute', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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expect(input).toBeInTheDocument()
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})
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it('should be focusable', async () => {
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const user = userEvent.setup()
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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await user.tab()
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expect(input).toHaveFocus()
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})
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it('should handle screen reader accessibility', () => {
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render(<SearchInput {...defaultProps} />)
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const input = screen.getByRole('textbox')
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// Should be accessible to screen readers
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expect(input).toBeVisible()
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expect(input).not.toHaveAttribute('aria-hidden', 'true')
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})
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})
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describe('Edge Cases', () => {
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it('should handle very long input values', async () => {
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const user = userEvent.setup()
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const longValue = 'a'.repeat(1000)
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const mockOnChange = vi.fn()
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render(<SearchInput value="" onChange={mockOnChange} />)
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const input = screen.getByRole('textbox')
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await user.type(input, longValue)
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expect(mockOnChange).toHaveBeenCalledTimes(1000)
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})
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it('should handle special characters', async () => {
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const user = userEvent.setup()
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const specialChars = '!@#$%^&*()_+-=[]{}|;:,.<>?'
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const mockOnChange = vi.fn()
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render(<SearchInput value="" onChange={mockOnChange} />)
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const input = screen.getByRole('textbox')
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// Send each character as an input change to avoid user-event parsing of bracket sequences
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for (const ch of specialChars) {
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const newVal = (input as HTMLInputElement).value + ch
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fireEvent.change(input, { target: { value: newVal } })
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}
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expect(mockOnChange).toHaveBeenCalledTimes(specialChars.length)
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})
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it('should handle unicode characters', async () => {
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const user = userEvent.setup()
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const unicodeText = '测试 🚀 العربية'
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const mockOnChange = vi.fn()
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render(<SearchInput value="" onChange={mockOnChange} />)
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const input = screen.getByRole('textbox')
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await user.type(input, unicodeText)
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expect(mockOnChange).toHaveBeenCalled()
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})
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it('should handle rapid typing', async () => {
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const user = userEvent.setup()
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const mockOnChange = vi.fn()
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render(<SearchInput value="" onChange={mockOnChange} />)
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const input = screen.getByRole('textbox')
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// Type multiple characters quickly
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await user.type(input, 'quick', { delay: 1 })
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expect(mockOnChange).toHaveBeenCalledTimes(5) // 'q', 'u', 'i', 'c', 'k'
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})
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})
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describe('Component State Management', () => {
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it('should handle value changes correctly', async () => {
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const user = userEvent.setup()
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const Controlled = () => {
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const [val, setVal] = useState('')
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return <SearchInput value={val} onChange={(e: any) => setVal(e.target.value)} />
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}
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render(<Controlled />)
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const input = screen.getByRole('textbox')
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// Type text
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await user.type(input, 'test')
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expect((input as HTMLInputElement).value).toBe('test')
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})
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it('should handle rapid value changes', async () => {
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const user = userEvent.setup()
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const Controlled = () => {
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const [val, setVal] = useState('')
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return <SearchInput value={val} onChange={(e: any) => setVal(e.target.value)} />
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}
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render(<Controlled />)
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const input = screen.getByRole('textbox') as HTMLInputElement
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// Rapid focus and type
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await user.click(input)
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await user.keyboard('quick')
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expect(input.value).toBe('quick')
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})
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})
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describe('Props Validation', () => {
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it('should handle missing onChange prop gracefully', () => {
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const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
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expect(() => {
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render(<SearchInput value="" onChange={undefined as any} />)
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}).not.toThrow()
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consoleErrorSpy.mockRestore()
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})
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it('should handle null value prop', () => {
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render(<SearchInput value={null as any} onChange={vi.fn()} />)
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const input = screen.getByRole('textbox')
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expect(input).toHaveValue('')
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})
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it('should handle undefined value prop', () => {
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render(<SearchInput value={undefined as any} onChange={vi.fn()} />)
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const input = screen.getByRole('textbox')
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expect(input).toHaveValue('')
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})
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})
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})
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