xuyueandClaude Opus 5.5
697f31e9ce
- 学生程序每次运行放进 bubblewrap：断网，只读挂载系统文件、运行时和自己的工程目录， 看不到其他进程和服务器环境变量；限制堆内存 128 MB、CPU 时间 120 秒、运行 60 分钟， nice 10，全站同时运行上限 150；启动时自检沙箱，不可用时拒绝运行 - 编译检查（SIM001）：网络、反射、启动进程、调用本机代码、加载程序集、dynamic 给出中文报错 - 访问口令：cookie 保存口令哈希，按真实 IP 限制输错次数；前端口令页 - 服务端配置集中到 config.ts，可用环境变量覆盖；Bun 直接提供打包好的网页 - Dockerfile（多阶段，服务端打包成单文件）、compose.yaml（Caddy 只收 HTTP，接入 NPM 的 npm_proxy 网络）、deploy/deploy.sh（本机构建后经 ssh 传到服务器）和部署说明 - 测试：沙箱隔离、内存上限、CPU 时间上限、编译检查 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
444 lines
20 KiB
TypeScript
444 lines
20 KiB
TypeScript
// 端到端测试：直接启动 C# 运行器，模拟浏览器操作，检查教材示例工程的行为。
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// 运行前先编译运行时：bun run build:runtime
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import { afterAll, afterEach, describe, expect, test } from 'bun:test'
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import { cp, rm } from 'node:fs/promises'
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import { resolve } from 'node:path'
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import type { ControlNode, RunnerInput, RunnerMessage } from '@iot/shared'
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import { compileService } from '../src/compile-service'
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import { config, ROOT } from '../src/config'
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import { cpuLimitMessage, runCommand } from '../src/sandbox'
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class Runner {
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readonly messages: RunnerMessage[] = []
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private proc?: Bun.Subprocess<'pipe', 'pipe', 'inherit'>
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private reading?: Promise<void>
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private waiters: { match: (m: RunnerMessage) => boolean; resolve: (m: RunnerMessage) => void }[] = []
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/** 与服务器相同的流程：先由编译服务编译，成功后启动运行进程 */
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static async start(projectDir: string) {
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const runner = new Runner()
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const compiled = await compileService.compile(projectDir)
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runner.receive({ type: 'compiled', ...compiled })
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if (compiled.ok) {
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const { cmd, env } = runCommand(projectDir, {})
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runner.proc = Bun.spawn(cmd, { stdin: 'pipe', stdout: 'pipe', stderr: 'inherit', env })
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runner.reading = runner.read()
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}
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return runner
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}
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private receive(message: RunnerMessage) {
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this.messages.push(message)
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this.waiters = this.waiters.filter((w) => {
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if (!w.match(message)) return true
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w.resolve(message)
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return false
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})
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}
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private async read() {
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const decoder = new TextDecoder()
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let buffer = ''
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for await (const chunk of this.proc!.stdout) {
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buffer += decoder.decode(chunk, { stream: true })
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let index: number
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while ((index = buffer.indexOf('\n')) >= 0) {
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const line = buffer.slice(0, index)
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buffer = buffer.slice(index + 1)
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if (!line.trim()) continue
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this.receive(JSON.parse(line) as RunnerMessage)
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}
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}
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}
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/** 只等待从现在起新收到的消息（不算已经收到的） */
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next<T extends RunnerMessage['type']>(
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type: T,
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match: (m: Extract<RunnerMessage, { type: T }>) => boolean = () => true,
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timeoutMs = 15000,
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): Promise<Extract<RunnerMessage, { type: T }>> {
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const from = this.messages.length
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return this.waitFor(type, (m) => this.messages.indexOf(m) >= from && match(m), timeoutMs)
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}
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/** 等待下一条满足条件的消息（已经收到的也算） */
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waitFor<T extends RunnerMessage['type']>(
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type: T,
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match: (m: Extract<RunnerMessage, { type: T }>) => boolean = () => true,
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timeoutMs = 15000,
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): Promise<Extract<RunnerMessage, { type: T }>> {
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const isMatch = (m: RunnerMessage) => m.type === type && match(m as Extract<RunnerMessage, { type: T }>)
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const existing = this.messages.find(isMatch)
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if (existing) return Promise.resolve(existing as Extract<RunnerMessage, { type: T }>)
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return new Promise((resolve, reject) => {
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const timer = setTimeout(() => reject(new Error(`等待 ${type} 超时`)), timeoutMs)
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this.waiters.push({
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match: isMatch,
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resolve: (m) => {
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clearTimeout(timer)
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resolve(m as Extract<RunnerMessage, { type: T }>)
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},
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})
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})
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}
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send(message: RunnerInput) {
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this.proc!.stdin.write(`${JSON.stringify(message)}\n`)
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this.proc!.stdin.flush()
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}
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kill() {
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this.proc?.kill()
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}
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/** 等程序自己结束、输出全部读完 */
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async finished() {
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await this.proc!.exited
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await this.reading
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return { code: this.proc!.exitCode, signal: this.proc!.signalCode }
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}
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}
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function findByName(node: ControlNode, name: string): ControlNode {
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if (node.name === name) return node
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for (const child of node.children) {
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const found = findByName(child, name)
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if (found.name === name) return found
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}
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return { id: '', type: '', name: '', props: {}, children: [] }
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}
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/** 编译产物写在工程目录里，所以把示例复制到临时目录再编译 */
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async function prepareSample(id: string) {
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const dir = resolve(ROOT, '.runs', `test-${id}`)
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await rm(dir, { recursive: true, force: true })
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await cp(resolve(ROOT, 'samples', id), dir, { recursive: true })
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return dir
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}
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/** 启动示例并等窗体显示；返回按控件名查 id 的函数 */
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async function startSample(id: string) {
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runner = await Runner.start(await prepareSample(id))
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const compiled = await runner.waitFor('compiled')
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expect(compiled.diagnostics.filter((d) => d.severity === 'error')).toEqual([])
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const { form } = await runner.waitFor('formShown')
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return { runner, form, id: (name: string) => findByName(form, name).id }
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}
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const ANALOG_DEFAULT = [25, 60, 500, 101, 60, 600, 3]
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const DIGITAL_OFF = [false, false, false, false]
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let runner: Runner | undefined
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afterEach(() => runner?.kill())
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afterAll(() => compileService.stop())
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test('项目2 任务1：选串口、打开、推送文字到 LED 屏', async () => {
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runner = await Runner.start(await prepareSample('p2-t1-LED显示屏'))
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const compiled = await runner.waitFor('compiled')
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expect(compiled.diagnostics).toEqual([])
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const { form } = await runner.waitFor('formShown')
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expect(form.props.Text).toBe('LED显示屏')
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const id = (name: string) => findByName(form, name).id
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const comPort = id('com_Port')
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// 先推送、不打开串口：教材约定返回 "Error:发送失败"，学生代码弹出 MessageBox
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runner.send({ type: 'action', id: id('txt_SendText'), action: 'text', value: '欢迎学习物联网' })
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runner.send({ type: 'action', id: id('btn_Send'), action: 'click' })
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const box = await runner.waitFor('messageBox')
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expect(box.text).toBe('Error:发送失败')
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runner.send({ type: 'reply', requestId: box.requestId, result: 'OK' })
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// 点下拉框：Click 事件里填充串口列表
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runner.send({ type: 'action', id: comPort, action: 'dropDown' })
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const items = await runner.waitFor('patch', (m) => m.changes.some((c) => c.id === comPort && c.prop === 'Items'))
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const ports = items.changes.findLast((c) => c.id === comPort && c.prop === 'Items')!.value as string[]
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expect(ports).toContain('COM5')
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runner.send({ type: 'action', id: comPort, action: 'select', index: ports.indexOf('COM5') })
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runner.send({ type: 'action', id: id('btn_Open'), action: 'click' })
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runner.send({ type: 'action', id: id('btn_Send'), action: 'click' })
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const device = await runner.waitFor('device', (m) => m.device === 'led')
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expect(device.data).toBe('欢迎学习物联网')
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const led = id('led')
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const ledPatch = await runner.waitFor('patch', (m) => m.changes.some((c) => c.id === led && c.prop === 'LedText'))
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expect(ledPatch.changes.find((c) => c.id === led)!.value).toBe('欢迎学习物联网')
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// 关闭主窗体：程序结束
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runner.send({ type: 'action', id: form.id, action: 'close' })
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await runner.waitFor('formClosed')
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}, 30000)
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test('编译错误：书上常见的 True 大写给出中文提示', async () => {
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const dir = resolve(ROOT, '.runs/test-true')
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const sample = resolve(ROOT, 'samples/p2-t1-LED显示屏')
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for (const name of ['Program.cs', 'Form1.Designer.cs']) await Bun.write(`${dir}/${name}`, Bun.file(`${sample}/${name}`))
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const form1 = await Bun.file(`${sample}/Form1.cs`).text()
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await Bun.write(`${dir}/Form1.cs`, form1.replace('private void btn_Open_Click(object sender, EventArgs e)\n {', 'private void btn_Open_Click(object sender, EventArgs e)\n {\n bool IsOpen = True;'))
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runner = await Runner.start(dir)
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const compiled = await runner.waitFor('compiled')
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expect(compiled.ok).toBe(false)
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const error = compiled.diagnostics.find((d) => d.code === 'CS0103')
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expect(error?.message).toContain('True')
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expect(error?.hint).toContain('小写')
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}, 30000)
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test('项目2 任务2：温度读数来自实训台，滑块变化后再次获取得到新值', async () => {
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const { runner, id } = await startSample('p2-t2-模拟量采集')
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const port = id('com_port')
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// 串口列表在 Load 里就已填好
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runner.send({ type: 'action', id: port, action: 'select', index: 1 })
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runner.send({ type: 'action', id: id('btn_Open'), action: 'click' })
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const textOf = (name: string) =>
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runner.next('patch', (m) => m.changes.some((c) => c.id === id(name) && c.prop === 'Text')).then(
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(m) => m.changes.findLast((c) => c.id === id(name) && c.prop === 'Text')!.value,
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)
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let temperature = textOf('txt_temperature')
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runner.send({ type: 'action', id: id('btn_get'), action: 'click' })
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expect(await temperature).toBe('25')
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runner.send({ type: 'board', analog: [31, 60, 300, 101, 60, 600, 3], digital: DIGITAL_OFF })
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temperature = textOf('txt_temperature')
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const light = textOf('txt_light')
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runner.send({ type: 'action', id: id('btn_get'), action: 'click' })
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expect(await temperature).toBe('31')
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expect(await light).toBe('300')
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}, 30000)
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test('项目3 任务1：单选按钮切换，事件顺序与 WinForms 一致，最终灯的状态正确', async () => {
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const { runner, id } = await startSample('p3-t1-ZigBee路灯')
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const lamp = id('lamp1')
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// 串口没打开时控制无效：没有继电器动作，但界面上的灯照样会亮（学生能看出两者不一致）
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runner.send({ type: 'action', id: id('rb_Open'), action: 'click' })
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await runner.waitFor('patch', (m) => m.changes.some((c) => c.id === lamp && c.prop === 'IsOn' && c.value === true))
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expect(runner.messages.some((m) => m.type === 'device')).toBe(false)
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runner.send({ type: 'action', id: id('com_port'), action: 'select', index: 3 })
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runner.send({ type: 'action', id: id('btn_open'), action: 'click' })
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// 选"关"：先触发"开"的 CheckedChanged（又开一次），再触发"关"的 CheckedChanged，最终关灯
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const relayOff = runner.next('device', (m) => m.device === 'zigbee' && (m.data as number[])[1] === 0)
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runner.send({ type: 'action', id: id('rb_Close'), action: 'click' })
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const devices: unknown[] = []
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await relayOff
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for (const m of runner.messages) if (m.type === 'device') devices.push(m.data)
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expect(devices).toEqual([
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[1, 1],
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[1, 0],
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])
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}, 30000)
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test('项目3 任务2：勾选人体开关后，有人经过时 5 秒内路灯打开', async () => {
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const { runner, id } = await startSample('p3-t2-人体红外ZigBee联动')
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runner.send({ type: 'action', id: id('com_lamp'), action: 'select', index: 3 })
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runner.send({ type: 'action', id: id('com_environment'), action: 'select', index: 2 })
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runner.send({ type: 'action', id: id('btn_open'), action: 'click' })
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// 复选框的 Click 里读取 Checked：此时 Checked 必须已经是 true
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const disabled = runner.next('patch', (m) => m.changes.some((c) => c.id === id('btn_lampOpen') && c.prop === 'Enabled' && c.value === false))
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runner.send({ type: 'action', id: id('ch_bodyInfrared'), action: 'click' })
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await disabled
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runner.send({ type: 'board', analog: ANALOG_DEFAULT, digital: [true, false, false, false] })
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const on = await runner.next('device', (m) => m.device === 'zigbee', 7000)
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expect(on.data).toEqual([1, 1])
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}, 30000)
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test('项目1 任务1：多窗体——打开增加用户窗体、添加用户、关闭后登录成功，可以再次打开', async () => {
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const { runner, form: login, id } = await startSample('p1-t1-登录')
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expect(login.props.Text).toBe('登录')
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runner.send({ type: 'action', id: id('btnAdd'), action: 'click' })
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const { form: addUser } = await runner.waitFor('formShown', (m) => m.form.props.Text === '增加用户')
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const addId = (name: string) => findByName(addUser, name).id
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runner.send({ type: 'action', id: addId('txtNewUser1'), action: 'text', value: 'admin' })
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runner.send({ type: 'action', id: addId('txtPass1'), action: 'text', value: '123' })
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runner.send({ type: 'action', id: addId('txtPass2'), action: 'text', value: '123' })
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runner.send({ type: 'action', id: addId('btnOk'), action: 'click' })
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await runner.waitFor('formClosed', (m) => m.formId === addUser.id)
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runner.send({ type: 'action', id: id('txtUserName'), action: 'text', value: 'admin' })
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runner.send({ type: 'action', id: id('txtPassword'), action: 'text', value: '123' })
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runner.send({ type: 'action', id: id('btnOk'), action: 'click' })
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const box = await runner.waitFor('messageBox')
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expect(box.text).toBe('登录成功，欢迎进入！')
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runner.send({ type: 'reply', requestId: box.requestId, result: 'OK' })
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// 再次打开增加用户窗体：每次新建实例，不会因为上一个已释放而出错
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runner.send({ type: 'action', id: id('btnAdd'), action: 'click' })
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const second = await runner.next('formShown', (m) => m.form.props.Text === '增加用户')
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expect(second.form.id).not.toBe(addUser.id)
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expect(runner.messages.some((m) => m.type === 'exception')).toBe(false)
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}, 30000)
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describe('所有示例都能编译通过', async () => {
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const ids = (await Array.fromAsync(new Bun.Glob('*/meta.json').scan({ cwd: resolve(ROOT, 'samples') }))).map((p) => p.split('/')[0]).sort()
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for (const id of ids) {
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test(id, async () => {
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const result = await compileService.compile(await prepareSample(id))
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expect(result.diagnostics.filter((d) => d.severity === 'error')).toEqual([])
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}, 30000)
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}
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})
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test('项目1 任务2：计算器（装箱拆箱）和多态', async () => {
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const { runner, id } = await startSample('p1-t2-面向对象特性')
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const textOf = (name: string) =>
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runner.next('patch', (m) => m.changes.some((c) => c.id === id(name) && c.prop === 'Text')).then(
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(m) => m.changes.findLast((c) => c.id === id(name) && c.prop === 'Text')!.value,
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)
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runner.send({ type: 'action', id: id('txtNum1'), action: 'text', value: '7' })
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runner.send({ type: 'action', id: id('txtNum2'), action: 'text', value: '2' })
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runner.send({ type: 'action', id: id('cmboxType'), action: 'select', index: 3 })
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const result = textOf('txtResult')
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runner.send({ type: 'action', id: id('btnCalculate'), action: 'click' })
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expect(await result).toBe('3.5')
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const display = textOf('txtDispaly')
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runner.send({ type: 'action', id: id('btnDisplay'), action: 'click' })
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expect(await display).toBe('张三说的是汉语！\r\n李四说的是汉语！\r\nMary说的是英语！\r\nJimmy说的是英语！\r\n')
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}, 30000)
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/** 选 COM3、点"开启"，等定时器读到实训台上的传感器 */
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async function openAdam4150(runner: Runner, id: (name: string) => string) {
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runner.send({ type: 'action', id: id('com_port'), action: 'select', index: 2 })
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runner.send({ type: 'action', id: id('btn_open'), action: 'click' })
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}
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test('项目4 任务1：红外对射被遮挡时显示"发现入侵"', async () => {
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const { runner, id } = await startSample('p4-t1-红外对射')
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await openAdam4150(runner, id)
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const even = (value: string) => runner.next('patch', (m) => m.changes.some((c) => c.id === id('txt_even') && c.value === value), 5000)
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await even('正常')
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runner.send({ type: 'board', analog: ANALOG_DEFAULT, digital: [false, false, false, true] })
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await even('发现入侵')
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}, 30000)
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test('项目4 任务3：开报警灯——实训台 DO0 动作，窗体上的报警灯亮', async () => {
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const { runner, id } = await startSample('p4-t3-报警灯')
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await openAdam4150(runner, id)
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const relay = runner.next('device', (m) => m.device === 'adam4150')
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const lamp = runner.next('patch', (m) => m.changes.some((c) => c.id === id('alarm1') && c.prop === 'IsOn' && c.value === true))
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runner.send({ type: 'action', id: id('btn_alarmOpen'), action: 'click' })
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expect((await relay).data).toEqual([0, 1])
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await lamp
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}, 30000)
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test('项目5 任务1：有火焰时显示"发现火情！"', async () => {
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const { runner, id } = await startSample('p5-t1-火焰')
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await openAdam4150(runner, id)
|
||
runner.send({ type: 'board', analog: ANALOG_DEFAULT, digital: [false, true, false, false] })
|
||
await runner.next('patch', (m) => m.changes.some((c) => c.id === id('txt_even') && c.value === '发现火情！'), 5000)
|
||
}, 30000)
|
||
|
||
/** 把一段 Main 方法体写成工程并运行，收集它的控制台输出 */
|
||
async function runMain(name: string, body: string, usings = '') {
|
||
const dir = resolve(ROOT, '.runs', `test-${name}`)
|
||
await rm(dir, { recursive: true, force: true })
|
||
await Bun.write(
|
||
`${dir}/Program.cs`,
|
||
`using System;\nusing System.IO;\nusing System.Linq;\n${usings}\nstatic class Program\n{\n static void Main()\n {\n${body}\n }\n}\n`,
|
||
)
|
||
runner = await Runner.start(dir)
|
||
return { runner, dir }
|
||
}
|
||
|
||
test.skipIf(config.sandbox === 'none')('沙箱：看不到服务器文件、别的运行目录、环境变量和其他进程，工程目录只读', async () => {
|
||
process.env.SIM_TEST_SECRET = '不该被看到'
|
||
const { runner } = await runMain(
|
||
'sandbox',
|
||
`
|
||
Console.WriteLine("passwd=" + File.Exists("/etc/passwd"));
|
||
Console.WriteLine("runs=" + Directory.Exists(${JSON.stringify(config.runsDir)}));
|
||
Console.WriteLine("home=" + Directory.Exists("/home"));
|
||
Console.WriteLine("secret=" + (Environment.GetEnvironmentVariable("SIM_TEST_SECRET") ?? "null"));
|
||
Console.WriteLine("procs=" + Directory.GetDirectories("/proc").Count(d => char.IsDigit(Path.GetFileName(d)[0])));
|
||
try { File.WriteAllText("hack.txt", "x"); Console.WriteLine("write=ok"); } catch (Exception) { Console.WriteLine("write=denied"); }
|
||
File.WriteAllText("/tmp/ok.txt", "x");
|
||
Console.WriteLine("tmp=" + File.Exists("/tmp/ok.txt"));`,
|
||
)
|
||
expect((await runner.waitFor('compiled')).ok).toBe(true)
|
||
await runner.finished()
|
||
const output = runner.messages.flatMap((m) => (m.type === 'console' ? [m.text] : [])).join('')
|
||
expect(output).toContain('passwd=False')
|
||
expect(output).toContain('runs=False')
|
||
expect(output).toContain('home=False')
|
||
expect(output).toContain('secret=null')
|
||
// 只能看到 bwrap 和自己
|
||
expect(Number(/procs=(\d+)/.exec(output)?.[1])).toBeLessThanOrEqual(2)
|
||
expect(output).toContain('write=denied')
|
||
expect(output).toContain('tmp=True')
|
||
}, 30000)
|
||
|
||
test('内存上限：不停分配内存的程序得到 OutOfMemoryException，而不是吃光服务器内存', async () => {
|
||
const { runner } = await runMain(
|
||
'heap',
|
||
`
|
||
var blocks = new System.Collections.Generic.List<byte[]>();
|
||
try { while (true) blocks.Add(new byte[1 << 20]); }
|
||
catch (OutOfMemoryException) { Console.WriteLine("oom=" + blocks.Count); }`,
|
||
)
|
||
await runner.finished()
|
||
const output = runner.messages.flatMap((m) => (m.type === 'console' ? [m.text] : [])).join('')
|
||
const megabytes = Number(/oom=(\d+)/.exec(output)?.[1])
|
||
expect(megabytes).toBeGreaterThan(50)
|
||
expect(megabytes).toBeLessThanOrEqual(config.heapLimitMb)
|
||
}, 30000)
|
||
|
||
test('编译检查：网络、启动程序、反射、dynamic 给出中文报错；AssemblyInfo.cs 里的特性不受影响', async () => {
|
||
const dir = resolve(ROOT, '.runs/test-policy')
|
||
await rm(dir, { recursive: true, force: true })
|
||
await Bun.write(
|
||
`${dir}/Program.cs`,
|
||
`using System;
|
||
using System.Diagnostics;
|
||
using System.Net.Http;
|
||
static class Program
|
||
{
|
||
static void Main()
|
||
{
|
||
Process.Start("sh");
|
||
var client = new HttpClient();
|
||
typeof(string).GetMethod("Trim", Type.EmptyTypes).Invoke("x", null);
|
||
dynamic d = 1;
|
||
}
|
||
}
|
||
`,
|
||
)
|
||
await Bun.write(
|
||
`${dir}/Properties/AssemblyInfo.cs`,
|
||
`using System.Reflection;
|
||
using System.Runtime.InteropServices;
|
||
[assembly: AssemblyTitle("WindowsFormsApplication1")]
|
||
[assembly: ComVisible(false)]
|
||
[assembly: Guid("0a1b2c3d-1111-2222-3333-444455556666")]
|
||
`,
|
||
)
|
||
const result = await compileService.compile(dir)
|
||
expect(result.ok).toBe(false)
|
||
const denied = result.diagnostics.filter((d) => d.code === 'SIM001')
|
||
expect(denied.map((d) => [d.line, d.message])).toEqual([
|
||
[8, '平台不允许使用 System.Diagnostics.Process.Start（启动其他程序）'],
|
||
[9, '平台不允许使用 System.Net.Http.HttpClient（网络访问）'],
|
||
[10, '平台不允许使用 System.Reflection.MethodBase.Invoke（反射）'],
|
||
[11, '平台不允许使用 dynamic（dynamic 动态调用）'],
|
||
])
|
||
expect(result.diagnostics.filter((d) => d.file.includes('AssemblyInfo'))).toEqual([])
|
||
}, 30000)
|
||
|
||
test.skipIf(config.sandbox === 'none')('CPU 时间上限：死循环的程序到时被结束，并提示检查死循环', async () => {
|
||
const limit = config.cpuLimitSeconds
|
||
config.cpuLimitSeconds = 2
|
||
try {
|
||
const { runner } = await runMain('cpu', ' long i = 0;\n while (true) i++;')
|
||
const { code, signal } = await runner.finished()
|
||
expect(cpuLimitMessage(code, signal)).toContain('死循环')
|
||
} finally {
|
||
config.cpuLimitSeconds = limit
|
||
}
|
||
}, 30000)
|