openpencil/tests/engine/render/canvas/page-guides.test.ts
2026-06-30 10:54:32 +03:00

57 lines
1.5 KiB
TypeScript

import { describe, expect, test } from 'bun:test'
import type { Canvas } from 'canvaskit-wasm'
import type { SceneGraph, SceneNode } from '@open-pencil/scene-graph'
import { drawPageGuides } from '#core/canvas/page-guides'
import { createMockCanvas, createMockRenderer, mockCalls } from './effects/helpers'
function graphWithGuides(guides: unknown[]): SceneGraph {
const page = {
id: 'page',
source: { fig: { rawNodeFields: { guides } } }
} as SceneNode
return {
rootId: 'root',
getNode: (id: string) => (id === 'page' ? page : null)
} as SceneGraph
}
describe('page guide rendering', () => {
test('renders imported Figma page guides in screen space', () => {
const r = createMockRenderer({
pageId: 'page',
panX: 10,
panY: 20,
zoom: 2,
viewportWidth: 300,
viewportHeight: 200
})
const canvas = createMockCanvas()
const graph = graphWithGuides([
{ axis: 'X', offset: 42 },
{ axis: 'Y', offset: 84 }
])
drawPageGuides(r, canvas as Canvas, graph)
expect(mockCalls(canvas.drawRect)).toHaveLength(2)
expect(mockCalls(r.ck.LTRBRect)).toEqual([
[94, 0, 95, 200],
[0, 188, 300, 189]
])
})
test('ignores malformed guides', () => {
const r = createMockRenderer({ pageId: 'page' })
const canvas = createMockCanvas()
const graph = graphWithGuides([{ axis: 'X' }, { axis: 'Z', offset: 10 }])
drawPageGuides(r, canvas as Canvas, graph)
expect(canvas.drawRect).not.toHaveBeenCalled()
})
})