54 lines
2.1 KiB
Markdown
54 lines
2.1 KiB
Markdown
---
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id: 587d824d367417b2b2512c52
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challengeType: 2
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forumTopicId: 301599
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title: 测试某个值是否为字符串
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---
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## Description
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<section id='description'>
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请注意，本项目在 <a href="https://repl.it/github/freeCodeCamp/boilerplate-mochachai">这个 Repl.it 项目</a> 的基础上进行开发。你也可以从 <a href='https://repl.it/github/freeCodeCamp/boilerplate-mochachai'>GitHub</a> 上克隆。
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<code>isString</code> 或 <code>isNotString</code> 断言一个值是否为字符串。
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</section>
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## Instructions
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<section id='instructions'>
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使用 <code>assert.isString()</code> 或 <code>assert.isNotString()</code> 让所有测试通过。
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: 不应有未通过的测试
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=12').then(data => { assert.equal(data.state,'passed'); }, xhr => { throw new Error(xhr.responseText); })
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- text: 请选择正确的断言—isString 或 isNotString
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=12').then(data => { assert.equal(data.assertions[0].method, 'isNotString', 'A float number is not a string'); }, xhr => { throw new Error(xhr.responseText); })
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- text: 请选择正确的断言—isString 或 isNotString
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=12').then(data => { assert.equal(data.assertions[1].method, 'isString', 'environment vars are strings (or undefined)'); }, xhr => { throw new Error(xhr.responseText); })
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- text: 请选择正确的断言—isString 或 isNotString
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=12').then(data => { assert.equal(data.assertions[2].method, 'isString', 'A JSON is a string'); }, xhr => { throw new Error(xhr.responseText); })
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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</section>
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## Solution
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<section id='solution'>
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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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</section>
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