54 lines
1.6 KiB
TypeScript
54 lines
1.6 KiB
TypeScript
import { describe, expect, test } from 'bun:test'
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import { SceneGraph } from '@open-pencil/scene-graph'
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import type { SceneNode } from '@open-pencil/scene-graph'
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import { distanceToGuideSegment, getGuideScreenSegment } from '#core/canvas/guides/geometry'
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import { hitTestGuides } from '#core/canvas/guides/hit-test'
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function pageWithGuide(): { graph: SceneGraph; page: SceneNode } {
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const page = {
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id: 'page',
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type: 'CANVAS',
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parentId: null,
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childIds: [],
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guides: [{ id: 'guide', axis: 'x', position: 20 }]
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} as SceneNode
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const graph = new SceneGraph()
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graph.nodes = new Map([['page', page]])
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graph.rootId = 'page'
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return { graph, page }
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}
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describe('guide screen geometry', () => {
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test('spans page guides across the viewport', () => {
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const { graph, page } = pageWithGuide()
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expect(
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getGuideScreenSegment(graph, page, page.guides[0], {
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panX: 10,
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panY: 0,
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zoom: 2,
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width: 300,
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height: 200
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})
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).toEqual({ x1: 50, y1: 0, x2: 50, y2: 200 })
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})
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test('measures distance to the bounded segment', () => {
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expect(distanceToGuideSegment(20, 5, { x1: 10, y1: 0, x2: 10, y2: 20 })).toBe(10)
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expect(distanceToGuideSegment(10, 30, { x1: 10, y1: 0, x2: 10, y2: 20 })).toBe(10)
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})
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test('hit tests page guides using screen coordinates', () => {
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const { graph } = pageWithGuide()
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const hit = hitTestGuides(
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graph,
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'page',
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{ panX: 10, panY: 0, zoom: 2, width: 300, height: 200 },
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52,
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100
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)
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expect(hit).toMatchObject({ ownerId: 'page', guideId: 'guide', axis: 'x', position: 20 })
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})
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})
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