7e08a85f73
Clicking Export PNG now opens a modal with three quality presets: - Standard (1× pixel ratio) — small file - High (2×, default) — recommended for sharing - Ultra (4×) — print quality Adds ExportModal component, updates exportToPng() to accept a quality param, and wires the modal into App.tsx replacing the direct export call.
75 lines
3.1 KiB
TypeScript
75 lines
3.1 KiB
TypeScript
import { describe, it, expect, vi, beforeEach } from 'vitest'
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import { render, screen, fireEvent, waitFor } from '@testing-library/react'
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import { ExportModal } from '../ExportModal'
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const mockExportToPng = vi.fn()
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vi.mock('@/utils/export', () => ({
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exportToPng: (...args: unknown[]) => mockExportToPng(...args),
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EXPORT_QUALITY_OPTIONS: [
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{ value: 'standard', label: 'Standard', pixelRatio: 1, hint: '1× — small file' },
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{ value: 'high', label: 'High', pixelRatio: 2, hint: '2× — recommended' },
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{ value: 'ultra', label: 'Ultra', pixelRatio: 4, hint: '4× — print quality, large file' },
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],
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}))
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const el = document.createElement('div')
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const getElement = () => el
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const onClose = vi.fn()
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describe('ExportModal', () => {
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beforeEach(() => {
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vi.clearAllMocks()
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mockExportToPng.mockResolvedValue(undefined)
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})
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it('renders all three quality options', () => {
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render(<ExportModal open onClose={onClose} getElement={getElement} />)
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expect(screen.getByText('Standard')).toBeInTheDocument()
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expect(screen.getByText('High')).toBeInTheDocument()
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expect(screen.getByText('Ultra')).toBeInTheDocument()
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})
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it('selects High by default', () => {
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render(<ExportModal open onClose={onClose} getElement={getElement} />)
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const highBtn = screen.getByText('High').closest('button')!
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expect(highBtn.className).toContain('border-[#00d4ff]')
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})
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it('changes selection when another option is clicked', () => {
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render(<ExportModal open onClose={onClose} getElement={getElement} />)
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fireEvent.click(screen.getByText('Ultra').closest('button')!)
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expect(screen.getByText('Ultra').closest('button')!.className).toContain('border-[#00d4ff]')
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expect(screen.getByText('High').closest('button')!.className).not.toContain('border-[#00d4ff]')
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})
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it('calls exportToPng with selected quality on Download click', async () => {
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render(<ExportModal open onClose={onClose} getElement={getElement} />)
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fireEvent.click(screen.getByText('Standard').closest('button')!)
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fireEvent.click(screen.getByRole('button', { name: /download/i }))
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await waitFor(() => expect(mockExportToPng).toHaveBeenCalledWith(el, 'standard'))
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})
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it('closes after successful export', async () => {
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render(<ExportModal open onClose={onClose} getElement={getElement} />)
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fireEvent.click(screen.getByRole('button', { name: /download/i }))
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await waitFor(() => expect(onClose).toHaveBeenCalled())
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})
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it('calls onClose when Cancel is clicked', () => {
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render(<ExportModal open onClose={onClose} getElement={getElement} />)
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fireEvent.click(screen.getByRole('button', { name: /cancel/i }))
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expect(onClose).toHaveBeenCalled()
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})
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it('does not call exportToPng when getElement returns null', async () => {
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render(<ExportModal open onClose={onClose} getElement={() => null} />)
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fireEvent.click(screen.getByRole('button', { name: /download/i }))
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await waitFor(() => expect(mockExportToPng).not.toHaveBeenCalled())
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})
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it('does not render when closed', () => {
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render(<ExportModal open={false} onClose={onClose} getElement={getElement} />)
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expect(screen.queryByText('Export as PNG')).not.toBeInTheDocument()
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})
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})
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