48 lines
1.7 KiB
TypeScript
48 lines
1.7 KiB
TypeScript
import { describe, test, expect, beforeAll } from 'bun:test'
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import {
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exportFigFile,
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parseFigFile,
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initCodec,
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SceneGraph,
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} from '@open-pencil/core'
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beforeAll(async () => {
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await initCodec()
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})
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describe('COLOR variable alpha handling', () => {
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test('COLOR variable without alpha exports successfully', async () => {
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const graph = new SceneGraph()
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const col = graph.createCollection('Colors')
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// Simulate a COLOR variable value missing the alpha field
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graph.createVariable('brand', 'COLOR', col.id, { r: 0.2, g: 0.4, b: 0.8 } as any)
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const exported = await exportFigFile(graph)
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const reimported = await parseFigFile(exported.buffer as ArrayBuffer)
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const vars = [...reimported.variables.values()]
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const colorVar = vars.find((v) => v.name === 'brand')!
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expect(colorVar.type).toBe('COLOR')
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const val = Object.values(colorVar.valuesByMode)[0] as { r: number; g: number; b: number; a: number }
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expect(val.r).toBeCloseTo(0.2, 1)
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expect(val.g).toBeCloseTo(0.4, 1)
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expect(val.b).toBeCloseTo(0.8, 1)
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expect(val.a).toBe(1)
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})
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test('COLOR variable with explicit alpha preserves it', async () => {
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const graph = new SceneGraph()
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const col = graph.createCollection('Colors')
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graph.createVariable('overlay', 'COLOR', col.id, { r: 0, g: 0, b: 0, a: 0.5 })
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const exported = await exportFigFile(graph)
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const reimported = await parseFigFile(exported.buffer as ArrayBuffer)
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const vars = [...reimported.variables.values()]
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const colorVar = vars.find((v) => v.name === 'overlay')!
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const val = Object.values(colorVar.valuesByMode)[0] as { r: number; g: number; b: number; a: number }
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expect(val.a).toBeCloseTo(0.5, 1)
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})
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})
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