freeCodeCamp/curriculum/challenges/chinese/06-quality-assurance/quality-assurance-and-testing-with-chai/test-if-an-object-has-a-property.md

id	challengeType	forumTopicId	localeTitle
587d824e367417b2b2512c55	2	301604	测试对象是否具有某个属性

Description

请注意，本项目在 这个 Repl.it 项目 的基础上进行开发。你也可以从 GitHub 上克隆。 property 断言一个对象含有给定属性。

Instructions

使用 assert.property() 或者 assert.notProperty() 让所有测试通过。

Tests

tests:
  - text: 不应有未通过的测试
    testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=15').then(data => { assert.equal(data.state,'passed'); }, xhr => { throw new Error(xhr.responseText); })
  - text: 请选择正确的断言—property 或 notProperty
    testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=15').then(data => { assert.equal(data.assertions[0].method, 'notProperty', 'A car has not wings'); }, xhr => { throw new Error(xhr.responseText); })
  - text: 请选择正确的断言—property 或 notProperty
    testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=15').then(data => { assert.equal(data.assertions[1].method, 'property', 'planes have engines'); }, xhr => { throw new Error(xhr.responseText); })
  - text: 请选择正确的断言—property 或 notProperty
    testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit&n=15').then(data => { assert.equal(data.assertions[2].method, 'property', 'Cars have wheels'); }, xhr => { throw new Error(xhr.responseText); })

Challenge Seed

Solution

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