86d6a63d0f
- Reject corrupt compressed Kiwi chunks instead of accepting raw garbage\n- Tolerate legacy source metadata without editedFields in renderer fallbacks\n- Align font, derived glyph, shared style, renderer mock, and ownership tests with current contracts\n- Restore clean quick and heavy unit quality gates
69 lines
2.3 KiB
TypeScript
69 lines
2.3 KiB
TypeScript
import { describe, expect, test } from 'bun:test'
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import { parseFigKiwiContainer } from '@open-pencil/kiwi/fig/parse'
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/**
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* Build a minimal fig-kiwi container with a valid header + schema chunk
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* but a corrupt (non-compressible) data chunk that will cause inflateSync
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* to throw. This verifies that the decompressor does NOT silently fall
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* back to raw compressed bytes.
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*/
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function buildCorruptFigKiwi(): Uint8Array {
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const schemaDeflated = new Uint8Array([0x78, 0x01, 0x01, 0x00, 0x00]) // minimal deflate
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// Data chunk: random bytes that are neither valid zlib nor valid zstd
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const dataCorrupt = new Uint8Array(32)
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for (let i = 0; i < dataCorrupt.length; i++) dataCorrupt[i] = (i * 37) & 0xff
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const header = new TextEncoder().encode('fig-kiwi')
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const total = 8 + 4 + 4 + schemaDeflated.length + 4 + dataCorrupt.length
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const out = new Uint8Array(total)
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const view = new DataView(out.buffer, out.byteOffset, out.byteLength)
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let offset = 0
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out.set(header, offset)
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offset += 8
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view.setUint32(offset, 101, true)
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offset += 4
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view.setUint32(offset, schemaDeflated.length, true)
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offset += 4
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out.set(schemaDeflated, offset)
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offset += schemaDeflated.length
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view.setUint32(offset, dataCorrupt.length, true)
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offset += 4
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out.set(dataCorrupt, offset)
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return out
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}
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describe('parseFigKiwiContainer: decompression failures', () => {
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test('throws on corrupt data chunk (not raw bytes)', () => {
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const buf = buildCorruptFigKiwi()
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expect(() => parseFigKiwiContainer(buf)).toThrow()
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})
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test('returns null for missing header', () => {
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const buf = new Uint8Array([0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07])
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expect(parseFigKiwiContainer(buf)).toBeNull()
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})
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test('returns null for fewer than 2 chunks', () => {
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const header = new TextEncoder().encode('fig-kiwi')
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const schemaDeflated = new Uint8Array([0x78, 0x01])
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// No data chunk — only one chunk total
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const total = 8 + 4 + 4 + schemaDeflated.length
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const out = new Uint8Array(total)
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const view = new DataView(out.buffer, out.byteOffset, out.byteLength)
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let offset = 0
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out.set(header, offset)
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offset += 8
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view.setUint32(offset, 101, true)
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offset += 4
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view.setUint32(offset, schemaDeflated.length, true)
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offset += 4
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out.set(schemaDeflated, offset)
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expect(parseFigKiwiContainer(out)).toBeNull()
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})
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})
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