项目 6 数据存储：仿冒 SqlClient（T-SQL 转写成 SQLite）、数据库页面、DataGridView、DateTimePicker
- 每个学生一套数据库，长期保存（data/databases/<用户编号>/库名.db）；学生程序运行时挂进沙箱可读写 - Sim.Data：SqlConnection / SqlCommand / SqlDataReader / SqlDataAdapter / SqlCommandBuilder / SqlParameter； 连接字符串只按库名打开学生自己的库；ScriptDom 解析 T-SQL 后按白名单转写成 SQLite 语句， STRICT 表 + 元数据表还原 SQL Server 的列类型，报错编号和中文信息与 SQL Server 一致； INSERT 不写列名时跳过自增列，日期统一格式（书上 DateTime.ToString() 拼接的日期能正确比较） - 常驻 SQL 服务（Sim.Runner sql-server）：数据库页面的查询、对象资源管理器，评分前按实验 database.sql 建库 - 数据库页面（代替 SSMS）：对象资源管理器、查询窗口、编辑前 200 行、表设计器、恢复实验初始数据 - DataGridView（绑定 DataView/DataTable/DataSet，单元格修改写回 DataTable）、DateTimePicker；设计器工具箱加入 - 评分：每个检查项一份新建的实验库；新增点 / 修改表格单元格、选日期、表格里有 / 没有某行的检查 - 示例：项目 6 任务 2、3；时间格式改成和中文 Windows 一致（9:05:03）；异常堆栈不暴露服务器路径 - 测试：数据库端到端、接口（每人只看到自己的库、恢复实验数据）、评分出错情况、T-SQL 生成 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -3,11 +3,15 @@ import { afterAll, 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 { compileService } from '../src/compile-service'
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import { sqlService } from '../src/sql-service'
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import { ROOT } from '../src/config'
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import { parseChecks } from '../src/grading/checks'
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import { grade } from '../src/grading/grader'
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afterAll(() => compileService.stop())
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afterAll(() => {
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compileService.stop()
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sqlService.stop()
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})
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const SAMPLES = resolve(ROOT, 'samples')
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@@ -31,10 +35,10 @@ async function prepare(id: string, name: string, edit?: { file: string; from: st
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describe('参考答案全部通过', async () => {
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const ids = (await Array.fromAsync(new Bun.Glob('*/checks.yaml').scan({ cwd: SAMPLES }))).map((p) => p.split('/')[0]).sort()
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test('每个示例都有评分规则', () => expect(ids.length).toBe(13))
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test('每个示例都有评分规则', () => expect(ids.length).toBe(15))
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for (const id of ids) {
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test(id, async () => {
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const result = await grade(await prepare(id, id), await checksOf(id))
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const result = await grade(await prepare(id, id), await checksOf(id), id)
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expect(result.compiled).toBe(true)
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expect(result.results.filter((r) => !r.passed)).toEqual([])
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}, 60000)
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@@ -45,7 +49,7 @@ describe('改坏的代码', () => {
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test('编译不通过时所有项都不通过', async () => {
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const id = 'p2-t1-LED显示屏'
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const dir = await prepare(id, 'compile-error', { file: 'Form1.cs', from: 'led.setLedText(res);', to: 'led.setLedText(res)' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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expect(result.compiled).toBe(false)
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expect(result.results.every((r) => !r.passed && r.message === '编译没有通过，先改正编译错误')).toBe(true)
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}, 60000)
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@@ -56,14 +60,14 @@ describe('改坏的代码', () => {
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// 同时把 Designer.cs 里的控件改名，模拟学生没按书上命名
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const designer = resolve(dir, 'Form1.Designer.cs')
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await Bun.write(designer, (await Bun.file(designer).text()).replaceAll('txt_SendText', 'textBox1'))
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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expect(result.results[0]).toMatchObject({ passed: false, message: '找不到名为 txt_SendText 的控件（书上规定的控件名，注意大小写）' })
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}, 60000)
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test('判断写反：入侵时显示"正常"', async () => {
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const id = 'p4-t1-红外对射'
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const dir = await prepare(id, 'reversed', { file: 'Form1.cs', from: 'if (DeviceCtrlHelper.adam4150Helper.SetData().infraredValue)', to: 'if (!DeviceCtrlHelper.adam4150Helper.SetData().infraredValue)' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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const realtime = result.results.find((r) => r.title === '能实时显示入侵数据')!
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expect(realtime.passed).toBe(false)
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expect(realtime.message).toBe('期望6 秒内 txt_even 的文字包含"发现入侵"，实际是"正常"')
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@@ -74,7 +78,7 @@ describe('改坏的代码', () => {
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test('关闭时忘了停定时器', async () => {
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const id = 'p4-t1-红外对射'
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const dir = await prepare(id, 'timer', { file: 'Form1.cs', from: 'timer1.Stop();', to: '' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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const stop = result.results.find((r) => r.title === '再点按钮能关闭串口、停止定时器')!
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expect(stop.passed).toBe(false)
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expect(stop.message).toStartWith('期望 txt_time 不再更新时间（定时器应已停止），实际从')
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@@ -83,15 +87,33 @@ describe('改坏的代码', () => {
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test('摄像机：忘了绑定画面事件', async () => {
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const id = 'p4-t2-网络摄像机'
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const dir = await prepare(id, 'camera', { file: 'Form1.cs', from: 'DeviceCtrlHelper.ipCameraHelper.ImageRead += ipCameraHelper_ImageRead;', to: '' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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expect(result.results.map((r) => r.passed)).toEqual([true, false, true, false])
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expect(result.results[1].message).toBe('期望3 秒内 pictureBox1 显示摄像机拍到的图像，实际是空的')
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}, 60000)
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test('数据库：照书上 INSERT 不写列名，温度和光照存反了', async () => {
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const id = 'p6-t2-存储环境数据'
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const dir = await prepare(id, 'insert-order', { file: 'Form1.cs', from: 'insert into CampusEnvironment (temperature, humidity, light, addtime) values', to: 'insert into CampusEnvironment values' })
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const result = await grade(dir, await checksOf(id), id)
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const save = result.results.find((r) => r.title === '能把数据保存到数据库，并显示在表格中')!
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expect(save.passed).toBe(false)
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expect(save.message).toContain('期望数据表格 dataGridView1 表格里有刚保存的一行，温度、湿度、光照度各在对应的列，实际表格里是：')
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expect(save.message).toContain('4 | 733 | 42 | 31')
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}, 60000)
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test('数据库：照书上漏写 ds = new DataSet()，查询时程序出错', async () => {
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const id = 'p6-t3-按时间查询'
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const dir = await prepare(id, 'no-dataset', { file: 'Form1.cs', from: ' ds = new DataSet();\n', to: '' })
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const result = await grade(dir, await checksOf(id), id)
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expect(result.results[0].passed).toBe(false)
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expect(result.results[0].message).toStartWith('程序出错：System.ArgumentNullException')
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}, 60000)
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test('关闭时忘了挂起线程', async () => {
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const id = 'p5-t2-烟雾'
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const dir = await prepare(id, 'thread', { file: 'Form1.cs', from: 'thd.Suspend();//挂起线程', to: '' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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const stop = result.results.find((r) => r.title === '再点按钮能关闭串口、挂起线程，再次打开时线程继续')!
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expect(stop.passed).toBe(false)
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expect(stop.message).toStartWith('期望 txt_time 不再更新时间（线程应已挂起），实际从')
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@@ -100,14 +122,14 @@ describe('改坏的代码', () => {
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test('历史灾情窗体没有把数组里的记录加入列表框', async () => {
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const id = 'p5-t3-推送灾情'
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const dir = await prepare(id, 'listbox', { file: 'Form2.cs', from: 'lstbRecored.Items.Add(', to: 'Console.WriteLine(' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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expect(result.results[2]).toMatchObject({ passed: false, message: '期望 lstbRecored 列表里有"发现火情"的记录，实际列表是空的' })
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}, 60000)
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test('报警灯接错了 DO 口', async () => {
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const id = 'p4-t3-报警灯'
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const dir = await prepare(id, 'relay', { file: 'Form1.cs', from: 'DeviceCtrlHelper.adam4150Helper.OnOff(0, IsOpen);', to: 'DeviceCtrlHelper.adam4150Helper.OnOff(1, IsOpen);' })
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const result = await grade(dir, await checksOf(id))
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const result = await grade(dir, await checksOf(id), id)
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expect(result.results[0]).toMatchObject({ passed: false, message: '期望实训台的报警灯（ADAM-4150 DO0）打开，实际是关闭的' })
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}, 60000)
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})
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