c7b944d103
- Decode zstd FIG data and reject invalid compressed payloads - Compose caller CSS with Tailwind defaults during DOM import - Slice pooled fixture buffers to their exact byte range Co-authored-by: Joseph Cumines <joeycumines@gmail.com>
52 lines
1.9 KiB
TypeScript
52 lines
1.9 KiB
TypeScript
import { describe, expect, test } from 'bun:test'
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import { deflateSync } from 'fflate'
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import {
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buildFigKiwi,
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decompressFigKiwiData,
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decompressFigKiwiDataAsync,
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FIG_KIWI_DEFAULT_VERSION,
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parseFigKiwiChunks
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} from '../src/fig/container'
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describe('Figma FIG Kiwi container helpers', () => {
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test('builds and parses fig-kiwi chunks', async () => {
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const schemaDeflated = new Uint8Array([1, 2, 3])
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const dataRaw = new TextEncoder().encode('payload')
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const binary = buildFigKiwi(schemaDeflated, dataRaw)
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const chunks = parseFigKiwiChunks(binary)
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expect(chunks).not.toBeNull()
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expect(chunks?.[0]).toEqual(schemaDeflated)
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// A well-formed fig-kiwi container always carries a payload chunk; dereference it
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// explicitly so a missing second chunk fails the test directly instead of being
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// masked by an empty-buffer fallback.
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const dataChunk = chunks?.[1]
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expect(dataChunk).toBeInstanceOf(Uint8Array)
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expect(dataChunk?.length).toBeGreaterThan(0)
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expect(decompressFigKiwiData(dataChunk as Uint8Array)).toEqual(dataRaw)
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await expect(decompressFigKiwiDataAsync(dataChunk as Uint8Array)).resolves.toEqual(dataRaw)
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})
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test('uses the default container version', () => {
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const binary = buildFigKiwi(new Uint8Array([1]), new Uint8Array([2]))
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const view = new DataView(binary.buffer, binary.byteOffset, binary.byteLength)
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expect(view.getUint32(8, true)).toBe(FIG_KIWI_DEFAULT_VERSION)
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})
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test('decompresses deflated data synchronously and asynchronously', async () => {
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const dataRaw = new TextEncoder().encode('payload')
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const deflated = deflateSync(dataRaw)
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expect(decompressFigKiwiData(deflated)).toEqual(dataRaw)
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await expect(decompressFigKiwiDataAsync(deflated)).resolves.toEqual(dataRaw)
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})
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test('rejects non fig-kiwi data', () => {
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expect(parseFigKiwiChunks(new TextEncoder().encode('not-fig-kiwi'))).toBeNull()
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})
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})
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