test: implement React Testing Library test for fallback identicon

Signed-off-by: Ashis Kumar Naik <ashishami2002@gmail.com>
This commit is contained in:
Ashis Kumar Naik 2025-06-28 08:05:27 +05:30
parent 612b133bb3
commit 84df74f228
5 changed files with 416 additions and 3 deletions

287
package-lock.json generated
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@ -65,6 +65,9 @@
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@ -70,6 +70,9 @@
"devDependencies": {
"@eslint/js": "^9.9.0",
"@tailwindcss/typography": "^0.5.15",
"@testing-library/jest-dom": "^6.6.3",
"@testing-library/react": "^16.3.0",
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"@types/node": "^22.5.5",
"@types/react": "^18.3.3",
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@ -0,0 +1,127 @@
import { describe, it, expect, vi } from 'vitest'
import { render, screen } from '@testing-library/react'
import { CypherImage } from './ui/CypherImage'
// Mock external dependencies
vi.mock('@/lib/utils', () => ({
cn: (...classes: any[]) => classes.filter(Boolean).join(' ')
}))
describe('Create Cell Without Icon - CypherImage Fallback', () => {
it('shows fallback identicon when src is empty (simulating cell without icon)', () => {
render(
<CypherImage
src=""
alt="Test Cell"
className="w-16 h-16"
generateUniqueFallback={true}
/>
)
// Verify that the fallback identicon is rendered instead of an img tag
const identicon = screen.getByTitle('Test Cell')
expect(identicon).toBeInTheDocument()
// Check for the fallback identicon characteristics
expect(identicon).toHaveClass('flex', 'items-center', 'justify-center')
// The fallback should contain the first letter of the alt text (cell name)
const firstLetter = screen.getByText('T') // First letter of "Test Cell"
expect(firstLetter).toBeInTheDocument()
expect(firstLetter).toHaveClass('font-bold')
// Should not render an img element when src is empty
const imgElement = screen.queryByRole('img')
expect(imgElement).not.toBeInTheDocument()
})
it('shows fallback identicon when src is undefined (simulating cell without icon)', () => {
render(
<CypherImage
src={undefined}
alt="Another Cell"
className="w-16 h-16"
generateUniqueFallback={true}
/>
)
// Verify that the fallback identicon is rendered
const identicon = screen.getByTitle('Another Cell')
expect(identicon).toBeInTheDocument()
// The fallback should contain the first letter of the alt text
const firstLetter = screen.getByText('A') // First letter of "Another Cell"
expect(firstLetter).toBeInTheDocument()
// Should not render an img element when src is undefined
const imgElement = screen.queryByRole('img')
expect(imgElement).not.toBeInTheDocument()
})
it('shows fallback identicon with correct cyberpunk styling', () => {
render(
<CypherImage
src=""
alt="Cyberpunk Cell"
className="w-16 h-16"
generateUniqueFallback={true}
/>
)
const identicon = screen.getByTitle('Cyberpunk Cell')
// Check for cyberpunk styling elements
expect(identicon).toHaveStyle({ backgroundColor: '#0a1119' })
// Check that the first letter is rendered with appropriate styling
const firstLetter = screen.getByText('C')
expect(firstLetter).toHaveClass('relative', 'font-bold', 'cyberpunk-glow', 'z-10')
})
it('renders normal img when src is provided (control test)', () => {
render(
<CypherImage
src="https://example.com/valid-image.jpg"
alt="Valid Image Cell"
className="w-16 h-16"
/>
)
// Should render an img element when src is provided
const imgElement = screen.getByRole('img')
expect(imgElement).toBeInTheDocument()
expect(imgElement).toHaveAttribute('src', 'https://example.com/valid-image.jpg')
expect(imgElement).toHaveAttribute('alt', 'Valid Image Cell')
// Should not show fallback identicon when image src is provided
const identicon = screen.queryByTitle('Valid Image Cell')
expect(identicon).not.toBeInTheDocument()
})
it('generates unique fallbacks for different cell names', () => {
const { rerender } = render(
<CypherImage
src=""
alt="Alpha Cell"
generateUniqueFallback={true}
/>
)
const alphaLetter = screen.getByText('A')
expect(alphaLetter).toBeInTheDocument()
rerender(
<CypherImage
src=""
alt="Beta Cell"
generateUniqueFallback={true}
/>
)
const betaLetter = screen.getByText('B')
expect(betaLetter).toBeInTheDocument()
// Alpha should no longer be present
expect(screen.queryByText('A')).not.toBeInTheDocument()
})
})

1
src/test/setup.ts Normal file
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@ -0,0 +1 @@
import '@testing-library/jest-dom'

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@ -5,6 +5,7 @@ export default defineConfig({
test: {
environment: 'jsdom',
globals: true,
setupFiles: ['./src/test/setup.ts'],
},
resolve: {
alias: {