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---
id: 587d824f367417b2b2512c5a
title: Run Functional Tests on an API Response using Chai-HTTP III - PUT method
challengeType: 2
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forumTopicId: 301590
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---
## Description
< section id = 'description' >
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As a reminder, this project is being built upon the following starter project on < a href = 'https://glitch.com/edit/#!/remix/clone-from-repo?REPO_URL=https://github.com/freeCodeCamp/boilerplate-mochachai/' > Glitch< / a > , or cloned from < a href = 'https://github.com/freeCodeCamp/boilerplate-mochachai/' > GitHub< / a > .
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In the next example we'll see how to send data in a request payload (body).
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We are going to test a PUT request. The < code > '/travellers'< / code > endpoint accepts a JSON object taking the structure :
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```json
{
"surname": [last name of a traveller of the past]
}
```
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The route responds with :
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```json
{
"name": [first name], "surname": [last name], "dates": [birth - death years]
}
```
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See the server code for more details.
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< / section >
## Instructions
< section id = 'instructions' >
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Send < br >
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```json
{
"surname": "Colombo"
}
```
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Replace < code > assert.fail()< / code > and make the test pass.
Check for 1) < code > status< / code > , 2) < code > type< / code > , 3) < code > body.name< / code > , 4) < code > body.surname< / code > .
Follow the assertion order above, We rely on it.
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< / section >
## Tests
< section id = 'tests' >
```yml
tests:
- text: All tests should pass
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=functional& n=2').then(data => { assert.equal(data.state,'passed'); }, xhr => { throw new Error(xhr.responseText); })
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- text: You should test for 'res.status' to be 200
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=functional& n=2').then(data => { assert.equal(data.assertions[0].method, 'equal'); assert.equal(data.assertions[0].args[0], 'res.status'); assert.equal(data.assertions[0].args[1], '200');}, xhr => { throw new Error(xhr.responseText); })
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- text: You should test for 'res.type' to be 'application/json'
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=functional& n=2').then(data => { assert.equal(data.assertions[1].method, 'equal'); assert.equal(data.assertions[1].args[0], 'res.type'); assert.equal(data.assertions[1].args[1], '\'application/json\'');}, xhr => { throw new Error(xhr.responseText); })
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- text: You should test for 'res.body.name' to be 'Cristoforo'
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=functional& n=2').then(data => { assert.equal(data.assertions[2].method, 'equal'); assert.equal(data.assertions[2].args[0], 'res.body.name'); assert.equal(data.assertions[2].args[1], '\'Cristoforo\'');}, xhr => { throw new Error(xhr.responseText); })
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- text: You should test for 'res.body.surname' to be 'Colombo'
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=functional& n=2').then(data => { assert.equal(data.assertions[3].method, 'equal'); assert.equal(data.assertions[3].args[0], 'res.body.surname'); assert.equal(data.assertions[3].args[1], '\'Colombo\'');}, xhr => { throw new Error(xhr.responseText); })
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```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< / section >
## Solution
< section id = 'solution' >
```js
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/**
Backend challenges don't need solutions,
because they would need to be tested against a full working project.
Please check our contributing guidelines to learn more.
*/
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```
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< / section >