370 lines
13 KiB
Markdown
370 lines
13 KiB
Markdown
---
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id: 587d8249367417b2b2512c42
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title: 問題跟蹤器
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challengeType: 4
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forumTopicId: 301569
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dashedName: issue-tracker
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---
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# --description--
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構建一個 JavaScript 的全棧應用，在功能上與這個應用相似： <https://issue-tracker.freecodecamp.rocks/>。 可以採用下面的任意一種方式完成這個挑戰：
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- 克隆 [GitHub 倉庫](https://github.com/freeCodeCamp/boilerplate-project-issuetracker/) 並在本地完成你的項目。
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- 使用[我們的 Replit 初始化項目](https://replit.com/github/freeCodeCamp/boilerplate-project-issuetracker)來完成你的項目。
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- 使用一個你喜歡的站點生成器來完成項目。 需要確定包含了我們 GitHub 倉庫的所有文件。
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完成本項目後，請將一個正常運行的 demo（項目演示）託管在可以公開訪問的平臺。 然後在 `Solution Link` 框中提交你的項目 URL。 此外，還可以將項目的源碼提交到 `GitHub Link` 中。
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# --instructions--
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- 在 `/routes/api.js` 中完成必要的路由
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- 在 `tests/2_functional-tests.js` 中創建所有的功能測試
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- 複製 `sample.env` 文件到 `.env` 並按需設置變量
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- 要運行測試，在 `.env` 文件中取消註釋 `NODE_ENV=test`
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- 使用 `npm run test` 命令，在 console 運行測試。 按 Ctrl+Shift+P（在 Mac 上是 Cmd+Shift+P），並輸入“open shell”，打開 Replit 控制檯。
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在 `tests/2_functional-tests.js` 中編寫下以下測試：
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- 用所有字段創建 issue：POST 請求到 `/api/issues/{project}`
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- 用必填字段創建 issue：POST 請求到 `/api/issues/{project}`
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- 用缺失必填字段創建 issue：POST 請求到 `/api/issues/{project}`
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- 查看 project 裏的 issue：GET 請求到 `/api/issues/{project}`
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- 用 filter 過濾 project 裏的 issue：GET 請求到 `/api/issues/{project}`
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- 用多個 filter 過濾 project 裏的 issue：GET 請求到 `/api/issues/{project}`
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- 更新 issue 裏的一個字段：PUT 請求到 `/api/issues/{project}`
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- 更新 issue 裏的多個字段：PUT 請求到 `/api/issues/{project}`
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- 在缺少 `_id` 字段的情況下更新 issue: PUT 請求到 `/api/issues/{project}`
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- 在沒有字段更新的情況下調用更新：PUT 請求到 `/api/issues/{project}`
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- 傳入一個無效的的 `_id` 來調用更新：PUT 請求到 `/api/issues/{project}`
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- 刪除一個 issue：DELETE 請求到 `/api/issues/{project}`
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- 傳入一個無效的的 `_id` 來調用刪除：DELETE 請求到 `/api/issues/{project}`
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- 在缺失 `_id` 的情況下來調用刪除：DELETE 請求到 `/api/issues/{project}`
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# --hints--
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提交自己的項目，而不是示例的 URL。
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```js
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(getUserInput) => {
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assert(!/.*\/issue-tracker\.freecodecamp\.rocks/.test(getUserInput('url')));
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};
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```
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可以發送 `POST` 請求到 `/api/issues/{projectname}`，表單數據包含必填字段 `issue_title`、`issue_text`、`created_by` 和可選字段 `assigned_to` 以及 `status_text`。
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```js
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async (getUserInput) => {
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try {
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let test_data = {
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issue_title: 'Faux Issue Title',
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issue_text: 'Functional Test - Required Fields Only',
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created_by: 'fCC'
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};
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const data = await $.post(
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getUserInput('url') + '/api/issues/fcc-project',
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test_data
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);
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assert.isObject(data);
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assert.nestedInclude(data, test_data);
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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`POST` 請求到 `/api/issues/{projectname}` 將返回創建的對象，必須包含所有提交的全部字段。 如果沒有填選填字段將作爲空字符串返回. 此外，包含 `created_on` (日期/時間)、 `updated_on` (日期/時間)、 `open` (布爾型) `true` 用於打開 - 默認值， `false` 用於關閉， `_id`。
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```js
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async (getUserInput) => {
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try {
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let test_data = {
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issue_title: 'Faux Issue Title 2',
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issue_text: 'Functional Test - Every field filled in',
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created_by: 'fCC',
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assigned_to: 'Chai and Mocha'
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};
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const data = await $.post(
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getUserInput('url') + '/api/issues/fcc-project',
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test_data
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);
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assert.isObject(data);
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assert.nestedInclude(data, test_data);
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assert.property(data, 'created_on');
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assert.isNumber(Date.parse(data.created_on));
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assert.property(data, 'updated_on');
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assert.isNumber(Date.parse(data.updated_on));
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assert.property(data, 'open');
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assert.isBoolean(data.open);
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assert.isTrue(data.open);
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assert.property(data, '_id');
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assert.isNotEmpty(data._id);
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assert.property(data, 'status_text');
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assert.isEmpty(data.status_text);
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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如果發送一個 `POST` 請求到 `/api/issues/{projectname}` 且缺少必填字段，會返回錯誤 `{ error: 'required field(s) missing' }`。
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```js
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async (getUserInput) => {
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try {
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let test_data = { created_by: 'fCC' };
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const data = await $.post(getUserInput('url') + '/api/issues/fcc-project', {
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created_by: 'fCC'
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});
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assert.isObject(data);
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assert.property(data, 'error');
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assert.equal(data.error, 'required field(s) missing');
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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可以發送 `GET` 請求到 `/api/issues/{projectname}` 請求所有指定 `projectname` 的 issues 數組，會展示每個 issue 的所有字段。
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```js
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async (getUserInput) => {
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try {
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let test_data = { issue_text: 'Get Issues Test', created_by: 'fCC' };
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const url =
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getUserInput('url') +
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'/api/issues/get_issues_test_' +
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Date.now().toString().substring(7);
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const data1 = await $.post(
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url,
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Object.assign(test_data, { issue_title: 'Faux Issue 1' })
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);
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assert.isObject(data1);
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const data2 = await $.post(
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url,
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Object.assign(test_data, { issue_title: 'Faux Issue 2' })
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);
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assert.isObject(data2);
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const data3 = await $.post(
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url,
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Object.assign(test_data, { issue_title: 'Faux Issue 3' })
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);
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assert.isObject(data3);
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const getIssues = await $.get(url);
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assert.isArray(getIssues);
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assert.lengthOf(getIssues, 3);
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let re = new RegExp('Faux Issue \\d');
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getIssues.forEach((issue) => {
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assert.property(issue, 'issue_title');
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assert.match(issue.issue_title, re);
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assert.property(issue, 'issue_text');
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assert.property(issue, 'created_by');
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assert.property(issue, 'assigned_to');
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assert.property(issue, 'status_text');
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assert.property(issue, 'open');
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assert.property(issue, 'created_on');
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assert.property(issue, 'updated_on');
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assert.property(issue, '_id');
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});
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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可以發送 `GET` 請求到 `/api/issues/{projectname}` 通過 URL 查詢傳入字段名和值過濾請求（如， `/api/issues/{project}?open=false`）。 你可以一次通過一個或多個字段/值對。
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```js
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async (getUserInput) => {
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try {
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let test_data = {
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issue_title: 'To be Filtered',
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issue_text: 'Filter Issues Test'
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};
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const url =
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getUserInput('url') +
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'/api/issues/get_issues_test_' +
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Date.now().toString().substring(7);
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const data1 = await $.post(
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url,
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Object.assign(test_data, { created_by: 'Alice', assigned_to: 'Bob' })
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);
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const data2 = await $.post(
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url,
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Object.assign(test_data, { created_by: 'Alice', assigned_to: 'Bob' })
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);
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const data3 = await $.post(
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url,
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Object.assign(test_data, { created_by: 'Alice', assigned_to: 'Eric' })
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);
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const data4 = await $.post(
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url,
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Object.assign(test_data, { created_by: 'Carol', assigned_to: 'Eric' })
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);
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const getSingle = await $.get(url + '?created_by=Alice');
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assert.isArray(getSingle);
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assert.lengthOf(getSingle, 3);
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const getMultiple = await $.get(url + '?created_by=Alice&assigned_to=Bob');
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assert.isArray(getMultiple);
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assert.lengthOf(getMultiple, 2);
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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你可以發送一個 `PUT` 請求到 `/api/issues/{projectname}` 帶有一個 `_id` 以及一個或多個字段進行更新。 成功後， `updated_on` field 應該被更新，返回的應該是 `{ result: 'successfully updated', '_id': _id }`。
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```js
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async (getUserInput) => {
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try {
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let initialData = {
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issue_title: 'Issue to be Updated',
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issue_text: 'Functional Test - Put target',
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created_by: 'fCC'
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};
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const url = getUserInput('url') + '/api/issues/fcc-project';
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const itemToUpdate = await $.post(url, initialData);
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const updateSucccess = await $.ajax({
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url: url,
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type: 'PUT',
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data: { _id: itemToUpdate._id, issue_text: 'New Issue Text' }
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});
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assert.isObject(updateSucccess);
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assert.deepEqual(updateSucccess, {
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result: 'successfully updated',
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_id: itemToUpdate._id
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});
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const getUpdatedId = await $.get(url + '?_id=' + itemToUpdate._id);
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assert.isArray(getUpdatedId);
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assert.isObject(getUpdatedId[0]);
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assert.isAbove(
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Date.parse(getUpdatedId[0].updated_on),
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Date.parse(getUpdatedId[0].created_on)
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);
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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當 `PUT` 請求發送給 `/api/issues/{projectname}` 的請求體不包含 `_id` 時應返回`{ error: 'missing _id' }`。
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```js
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async (getUserInput) => {
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try {
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const url = getUserInput('url') + '/api/issues/fcc-project';
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const badUpdate = await $.ajax({ url: url, type: 'PUT' });
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assert.isObject(badUpdate);
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assert.property(badUpdate, 'error');
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assert.equal(badUpdate.error, 'missing _id');
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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當 `PUT` 請求發送給 `/api/issues/{projectname}` 的請求體不包含任何更新的字段，應返回 `{ error: 'no update field(s) sent', '_id': _id }`。 在任何其他錯誤，應返回 `{ error: 'could not update', '_id': _id }`。
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```js
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async (getUserInput) => {
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try {
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const url = getUserInput('url') + '/api/issues/fcc-project';
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const badUpdate = await $.ajax({
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url: url,
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type: 'PUT',
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data: { _id: '5f665eb46e296f6b9b6a504d' }
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});
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assert.deepEqual(badUpdate, {
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error: 'no update field(s) sent',
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_id: '5f665eb46e296f6b9b6a504d'
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});
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const badIdUpdate = await $.ajax({
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url: url,
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type: 'PUT',
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data: { _id: '5f665eb46e296f6b9b6a504d', issue_text: 'New Issue Text' }
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});
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assert.deepEqual(badIdUpdate, {
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error: 'could not update',
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_id: '5f665eb46e296f6b9b6a504d'
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});
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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你可以發送一個 `DELETE` 請求到 `/api/issues/{projectname}` 帶有一個 `_id` 來刪除 issue。 如果沒有發送 `_id` ，返回值爲 `{ error: 'missing _id' }`。 成功後，返回值爲 `{ result: 'successfully deleted', '_id': _id }`。 失敗時，返回值爲 `{ error: 'could not delete', '_id': _id }`。
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```js
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async (getUserInput) => {
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try {
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let initialData = {
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issue_title: 'Issue to be Deleted',
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issue_text: 'Functional Test - Delete target',
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created_by: 'fCC'
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};
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const url = getUserInput('url') + '/api/issues/fcc-project';
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const itemToDelete = await $.post(url, initialData);
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assert.isObject(itemToDelete);
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const deleteSuccess = await $.ajax({
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url: url,
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type: 'DELETE',
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data: { _id: itemToDelete._id }
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});
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assert.isObject(deleteSuccess);
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assert.deepEqual(deleteSuccess, {
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result: 'successfully deleted',
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_id: itemToDelete._id
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});
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const noId = await $.ajax({ url: url, type: 'DELETE' });
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assert.isObject(noId);
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assert.deepEqual(noId, { error: 'missing _id' });
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const badIdDelete = await $.ajax({
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url: url,
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type: 'DELETE',
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data: { _id: '5f665eb46e296f6b9b6a504d', issue_text: 'New Issue Text' }
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});
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assert.isObject(badIdDelete);
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assert.deepEqual(badIdDelete, {
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error: 'could not delete',
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_id: '5f665eb46e296f6b9b6a504d'
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});
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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所有 14 項功能測試都已完成並通過。
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```js
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async (getUserInput) => {
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try {
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const getTests = await $.get(getUserInput('url') + '/_api/get-tests');
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assert.isArray(getTests);
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assert.isAtLeast(getTests.length, 14, 'At least 14 tests passed');
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getTests.forEach((test) => {
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assert.equal(test.state, 'passed', 'Test in Passed State');
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assert.isAtLeast(
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test.assertions.length,
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1,
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'At least one assertion per test'
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);
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});
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} catch (err) {
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throw new Error(err.responseText || err.message);
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}
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};
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```
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# --solutions--
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||
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```js
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/**
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Backend challenges don't need solutions,
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because they would need to be tested against a full working project.
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Please check our contributing guidelines to learn more.
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*/
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```
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