83 lines
2.1 KiB
TypeScript
83 lines
2.1 KiB
TypeScript
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import { renderHook, waitFor } from '@testing-library/react'
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import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
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import { useTauriDragDropEvent } from './useTauriDragDropEvent'
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let tauriMode = true
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type NativeDragDropPayload = {
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type: string
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paths: string[]
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position: { x: number; y: number }
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}
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type CapturedDragDropHandler = (event: { payload: unknown }) => void
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let capturedDragDropHandler: CapturedDragDropHandler | undefined
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const unlisten = vi.fn()
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const onDragDropEvent = vi.fn((handler: CapturedDragDropHandler) => {
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capturedDragDropHandler = handler
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return Promise.resolve(unlisten)
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})
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vi.mock('../mock-tauri', () => ({
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isTauri: () => tauriMode,
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}))
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vi.mock('@tauri-apps/api/window', () => ({
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getCurrentWindow: () => ({
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onDragDropEvent,
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}),
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}))
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function emitNativeDragDropPayload(payload: unknown): void {
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if (!capturedDragDropHandler) throw new Error('No native drag-drop handler registered')
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capturedDragDropHandler({ payload })
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}
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async function waitForNativeDragDropListener(): Promise<void> {
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await waitFor(() => {
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expect(capturedDragDropHandler).toBeDefined()
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})
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}
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describe('useTauriDragDropEvent', () => {
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beforeEach(() => {
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tauriMode = true
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capturedDragDropHandler = undefined
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onDragDropEvent.mockClear()
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unlisten.mockClear()
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})
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afterEach(() => {
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tauriMode = false
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capturedDragDropHandler = undefined
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})
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it('does not forward null native drag-drop payloads to consumers', async () => {
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const handler = vi.fn()
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renderHook(() => useTauriDragDropEvent(handler))
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await waitForNativeDragDropListener()
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expect(() => {
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emitNativeDragDropPayload(null)
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}).not.toThrow()
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expect(handler).not.toHaveBeenCalled()
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})
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it('forwards valid native drag-drop payloads to consumers', async () => {
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const handler = vi.fn()
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renderHook(() => useTauriDragDropEvent(handler))
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await waitForNativeDragDropListener()
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const payload = {
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type: 'drop',
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paths: ['/tmp/photo.png'],
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position: { x: 10, y: 20 },
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} satisfies NativeDragDropPayload
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emitNativeDragDropPayload(payload)
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expect(handler).toHaveBeenCalledWith({ payload })
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})
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})
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