165 lines
7.3 KiB
TypeScript
165 lines
7.3 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import { calculateCrc, calculateCrcChunks, CRC_PRESETS, formatCrc } from '../src/lib/crc'
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import {
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calculateCrcHexInput,
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calculateCrcReport,
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MAX_INLINE_CRC_DATA_BYTES,
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MAX_INLINE_CRC_INPUT_CHARS,
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} from '../src/lib/crcWorker'
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import { getFirmwareFormat, parseFirmwareContent } from '../src/lib/firmware'
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import { concatenateBlocks, parseIntelHex } from '../src/lib/intelHex'
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import { textToBytes } from '../src/lib/bytes'
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function intelHexRecord(address: number, data: number[]): string {
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const bytes = [data.length, address >> 8, address & 0xff, 0, ...data]
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const checksum = (-bytes.reduce((sum, byte) => sum + byte, 0)) & 0xff
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return `:${[...bytes, checksum].map((byte) => byte.toString(16).padStart(2, '0')).join('').toUpperCase()}`
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}
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describe('CRC', () => {
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it('matches standard check values for 123456789', () => {
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const input = textToBytes('123456789')
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for (const preset of CRC_PRESETS) {
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expect(calculateCrc(input, preset), preset.name).toBe(preset.check)
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expect(formatCrc(preset.check, preset.width)).toHaveLength(Math.ceil(preset.width / 4))
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}
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})
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it('supports CRC-64 / ECMA-182 parameters', () => {
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expect(calculateCrc(textToBytes('123456789'), {
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width: 64,
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polynomial: 0x42f0e1eba9ea3693n,
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initialValue: 0n,
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inputReflected: false,
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outputReflected: false,
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xorOut: 0n,
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})).toBe(0x6c40df5f0b497347n)
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})
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it('supports reflected CRC-64 / XZ parameters', () => {
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expect(calculateCrc(textToBytes('123456789'), {
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width: 64,
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polynomial: 0x42f0e1eba9ea3693n,
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initialValue: 0xffffffffffffffffn,
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inputReflected: true,
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outputReflected: true,
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xorOut: 0xffffffffffffffffn,
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})).toBe(0x995dc9bbdf1939fan)
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})
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it('calculates chunked data as one continuous byte stream', () => {
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const preset = CRC_PRESETS[0]
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const chunks = [textToBytes('123'), textToBytes('456'), textToBytes('789')]
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expect(calculateCrcChunks(chunks, preset)).toBe(calculateCrc(textToBytes('123456789'), preset))
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})
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it('calculates inline Hex with the same separators used by other tools', () => {
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const preset = CRC_PRESETS[0]
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const inputs = [
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'A51F7ADD',
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'A5 1F 7A DD',
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'A5,1F,7A,DD',
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'A5，1F，7A，DD',
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'0xA5 0x1F 0x7A 0xDD',
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'0xa5, 1F\n0x7a，DD',
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]
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for (const input of inputs) {
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expect(calculateCrcHexInput(input, preset)).toEqual({
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combinedResult: '6139ED73',
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totalBytes: 4,
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})
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}
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})
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it('rejects empty, malformed, and oversized inline Hex', () => {
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const preset = CRC_PRESETS[0]
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expect(() => calculateCrcHexInput(' ', preset)).toThrow('请输入 Hex 数据')
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expect(() => calculateCrcHexInput('ABC', preset)).toThrow('偶数')
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expect(() => calculateCrcHexInput('A5,,1F', preset)).toThrow('片段缺少')
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expect(() => calculateCrcHexInput('GG', preset)).toThrow('无效')
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expect(() => calculateCrcHexInput('AA'.repeat(MAX_INLINE_CRC_DATA_BYTES + 1), preset)).toThrow('Hex 数据不能超过 1 MiB')
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expect(() => calculateCrcHexInput(' '.repeat(MAX_INLINE_CRC_INPUT_CHARS + 1), preset)).toThrow('输入不能超过')
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})
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it('rejects malformed runtime parameters instead of coercing them', () => {
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const preset = CRC_PRESETS[0]
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expect(() => calculateCrc(new Uint8Array(), { ...preset, inputReflected: undefined as never })).toThrow('布尔值')
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expect(() => calculateCrc(new Uint8Array(), { ...preset, polynomial: 7 as never })).toThrow('BigInt')
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expect(() => formatCrc(0x100n, 8)).toThrow('超出当前位宽')
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expect(() => formatCrc(0n, 7)).toThrow('位宽')
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})
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it('reports both the combined CRC and each block CRC', () => {
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const parameters = CRC_PRESETS.find((preset) => preset.id === 'crc-32-iso-hdlc')!
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const blocks = [
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{ startAddress: 0x1000, data: textToBytes('1234') },
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{ startAddress: 0x2000, data: textToBytes('56789') },
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]
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const report = calculateCrcReport(blocks, parameters)
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expect(report.combinedResult).toBe(formatCrc(parameters.check, parameters.width))
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expect(report.blockResults).toEqual([
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{ startAddress: 0x1000, endAddress: 0x1003, length: 4, crc: formatCrc(calculateCrc(blocks[0].data, parameters), 32) },
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{ startAddress: 0x2000, endAddress: 0x2004, length: 5, crc: formatCrc(calculateCrc(blocks[1].data, parameters), 32) },
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])
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})
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})
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describe('Intel HEX', () => {
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it('validates records and separates non-contiguous data into blocks', () => {
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const parsed = parseIntelHex(':0400000001020304F2\n:02001000AABB89\n:00000001FF\n')
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expect(parsed.totalBytes).toBe(6)
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expect(parsed.blocks).toHaveLength(2)
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expect(parsed.blocks[0]).toEqual({ startAddress: 0, data: Uint8Array.from([1, 2, 3, 4]) })
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expect(parsed.blocks[1]).toEqual({ startAddress: 0x10, data: Uint8Array.from([0xaa, 0xbb]) })
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expect(concatenateBlocks(parsed.blocks)).toEqual(Uint8Array.from([1, 2, 3, 4, 0xaa, 0xbb]))
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})
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it('supports extended addresses and reports a missing EOF record', () => {
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const parsed = parseIntelHex(':020000040001F9\n:040000001122334452\n')
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expect(parsed.blocks[0].startAddress).toBe(0x10000)
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expect(parsed.warnings).toEqual(['文件缺少 EOF 记录，已按现有数据计算'])
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})
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it('rejects invalid checksums and conflicting overlapping data', () => {
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expect(() => parseIntelHex(':0400000001020304F3\n:00000001FF')).toThrow('校验和错误')
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expect(() => parseIntelHex(':020000000102FB\n:02000100FF03FB\n:00000001FF')).toThrow('数据冲突')
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})
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it('merges out-of-order and identical overlapping records without changing bytes', () => {
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const parsed = parseIntelHex([
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intelHexRecord(2, [3, 4]),
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intelHexRecord(0, [1, 2, 3]),
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':00000001FF',
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].join('\n'))
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expect(parsed.blocks).toEqual([{ startAddress: 0, data: Uint8Array.from([1, 2, 3, 4]) }])
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})
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it('enforces configurable data-record and block limits', () => {
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const records = [intelHexRecord(0, [1]), intelHexRecord(2, [2]), ':00000001FF'].join('\n')
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expect(() => parseIntelHex(records, { maxDataRecords: 1 })).toThrow('数据记录不能超过 1 条')
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expect(() => parseIntelHex(records, { maxBlocks: 1 })).toThrow('数据块不能超过 1 个')
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expect(() => parseIntelHex(records, { maxBlocks: 0 })).toThrow('必须是正整数')
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})
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})
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describe('firmware parsing', () => {
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it('detects supported extensions case-insensitively', () => {
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expect(getFirmwareFormat('firmware.HEX')).toBe('Intel HEX')
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expect(getFirmwareFormat('firmware.ihx')).toBe('Intel HEX')
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expect(getFirmwareFormat('firmware.bin')).toBe('BIN')
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expect(() => getFirmwareFormat('firmware.txt')).toThrow('请选择')
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})
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it('parses Intel HEX and BIN content with strict content types', () => {
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const hex = parseFirmwareContent('firmware.hex', `${intelHexRecord(0, [0xaa, 0xbb])}\n:00000001FF`)
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expect(hex.totalBytes).toBe(2)
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expect(hex.blocks[0].data).toEqual(Uint8Array.from([0xaa, 0xbb]))
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const bin = parseFirmwareContent('firmware.bin', Uint8Array.from([1, 2, 3]))
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expect(bin).toMatchObject({ format: 'BIN', totalBytes: 3, warnings: [] })
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expect(() => parseFirmwareContent('firmware.hex', Uint8Array.of(1))).toThrow('必须是文本')
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expect(() => parseFirmwareContent('firmware.bin', '')).toThrow('必须是二进制')
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expect(() => parseFirmwareContent('firmware.bin', new Uint8Array())).toThrow('文件为空')
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})
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})
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