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---
id: 587d824b367417b2b2512c48
title: Use Assert.isOK and Assert.isNotOK
challengeType: 2
---
## Description
< section id = 'description' >
As a reminder, this project is being built upon the following starter project on < a href = 'https://glitch.com/#!/import/github/freeCodeCamp/boilerplate-mochachai/' > Glitch< / a > , or cloned from < a href = 'https://github.com/freeCodeCamp/boilerplate-mochachai/' > GitHub< / a > .
Use assert.isOk() or assert.isNotOk() to make the tests pass.
.isOk(truthy) and .isNotOk(falsey) will pass.
< / section >
## Instructions
< section id = 'instructions' >
< / 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=unit& n=2').then(data => {assert.equal(data.state,'passed'); }, xhr => { throw new Error(xhr.responseText); })
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- text: Choose the right assertion - isOk vs. isNotOk
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit& n=2').then(data => { assert.equal(data.assertions[0].method, 'isNotOk', 'Null is falsey'); }, xhr => { throw new Error(xhr.responseText); })
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- text: Choose the right assertion - isOk vs. isNotOk
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit& n=2').then(data => { assert.equal(data.assertions[1].method, 'isOk','A string is truthy'); }, xhr => { throw new Error(xhr.responseText); })
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- text: Choose the right assertion - isOk vs. isNotOk
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testString: getUserInput => $.get(getUserInput('url') + '/_api/get-tests?type=unit& n=2').then(data => { assert.equal(data.assertions[2].method, 'isOk', 'true is truthy'); }, xhr => { throw new Error(xhr.responseText); })
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```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< / section >
## Solution
< section id = 'solution' >
```js
// solution required
```
< / section >