Files
landing-builder/components/wysiwyg/Canvas.guidelines.horizontal.test.tsx
T

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TypeScript

import React from 'react'
import { describe, it, expect, vi, beforeEach } from 'vitest'
import { render, screen, waitFor } from '@testing-library/react'
import { act } from 'react-dom/test-utils'
import { Canvas } from '@/components/wysiwyg/Canvas'
import type { Frame } from '@/lib/wysiwyg/schema'
const capture = vi.fn()
type MProps = {
onDragStart?: () => void
onDrag?: (e: { left?: number; top?: number }) => void
onDragEnd?: () => void
}
vi.mock('react-moveable', () => {
const Mock = (props: Record<string, unknown>) => {
capture(props)
return <div data-testid="moveable" />
}
return { default: Mock }
})
const frame: Frame = {
id: 'f-guides-h',
width: 500,
height: 400,
background: '#fff',
layers: [
{ id: 'l1', name: 'L1', visible: true, locked: false, objects: [
// 드래그 대상(o1) - 기본 선택이 되도록 첫 번째
{ id: 'o1', type: 'text', x: 10, y: 10, width: 40, height: 40, rotate: 0, zIndex: 1, props: { text: 'A', fontSize: 16, color: '#000' } },
// 대상(o2) 수평 중심선: y = 65 유지. 에지 간섭 방지 위해 top을 60, height를 10으로 조정(65=60+10/2)
{ id: 'o2', type: 'text', x: 200, y: 60, width: 80, height: 10, rotate: 0, zIndex: 0, props: { text: 'B', fontSize: 16, color: '#000' } },
]}
]
}
describe('Canvas guidelines advanced (horizontal center snap)', () => {
beforeEach(() => capture.mockReset())
it('shows horizontal guide and snaps y to other object center within 8px threshold', async () => {
render(<Canvas frame={frame} />)
const last = capture.mock.calls.at(-1)?.[0] as MProps
expect(last).toBeTruthy()
await act(async () => { last.onDragStart?.() })
// o1 height=40 → 중심은 top+20. o2 중심 65에 맞추려면 top=45 필요
await act(async () => { last.onDrag?.({ left: 10, top: 45 }) })
const obj = screen.getByTestId('obj-o1') as HTMLElement
await waitFor(() => {
expect(obj.style.top).toBe('45px')
})
// 수평 가이드 라인 표시
await screen.findByTestId('guide-y')
await act(async () => { last.onDragEnd?.() })
await waitFor(() => {
expect(screen.queryByTestId('guide-y')).toBeNull()
})
})
})