e1bae44036
* feat(learn): migrate mongodb-mongoose instructions to learn * remove extraneous quotation mark * update with boilerplate change * grammar changes on instructions Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com> Co-authored-by: Randell Dawson <5313213+RandellDawson@users.noreply.github.com>
63 lines
1.9 KiB
Markdown
63 lines
1.9 KiB
Markdown
---
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id: 587d7fb8367417b2b2512c0f
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title: Perform New Updates on a Document Using model.findOneAndUpdate()
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challengeType: 2
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forumTopicId: 301542
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---
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## Description
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<section id='description'>
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Recent versions of Mongoose have methods to simplify documents updating. Some more advanced features (i.e. pre/post hooks, validation) behave differently with this approach, so the classic method is still useful in many situations. `findByIdAndUpdate()` can be used when searching by id.
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</section>
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## Instructions
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<section id='instructions'>
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Modify the `findAndUpdate` function to find a person by `Name` and set the person's age to `20`. Use the function parameter `personName` as the search key.
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**Note:** You should return the updated document. To do that, you need to pass the options document `{ new: true }` as the 3rd argument to `findOneAndUpdate()`. By default, these methods return the unmodified object.
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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: findOneAndUpdate an item should succeed
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testString: |
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getUserInput => $.post(getUserInput('url') + '/_api/find-one-update', {name:'Dorian Gray', age: 35, favoriteFoods:['unknown']}).then(data => {
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assert.equal(data.name, 'Dorian Gray', 'item.name is not what expected');
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assert.equal(data.age, 20, 'item.age is not what expected');
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assert.deepEqual(data.favoriteFoods, ['unknown'], 'item.favoriteFoods is not what expected');
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assert.equal(data.__v, 0, 'findOneAndUpdate does not increment version by design!');
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}, 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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