expect-more | Curried Type Testing library , and Test Matchers for Jest | Testing library

by JamieMason TypeScript Version: 1.2.1 License: MIT

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kandi X-RAY | expect-more Summary

expect-more is a TypeScript library typically used in Testing, Jest applications. expect-more has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Curried Type Testing library, and Test Matchers for Jest

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Quality

Security

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Support

expect-more has a low active ecosystem.

It has 131 star(s) with 7 fork(s). There are 4 watchers for this library.

It had no major release in the last 12 months.

There are 14 open issues and 10 have been closed. On average issues are closed in 116 days. There are 5 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of expect-more is 1.2.1

Quality

expect-more has no bugs reported.

Security

expect-more has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

expect-more is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

expect-more releases are available to install and integrate.

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expect-more Key Features

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expect-more Examples and Code Snippets

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Community Discussions

Trending Discussions on expect-more

Error Mocking Firebase Admin in Jest: "TypeError: admin.firestore is not a function"

QUESTION

Error Mocking Firebase Admin in Jest: "TypeError: admin.firestore is not a function"

Asked 2020-May-12 at 06:55

I have a function to handle connecting to Cloud Firestore through the Admin SDK. I know the function works fine, as the app connects and allows writing to the database.

Now I am trying to test this function with Jest. To avoid testing outside the scope of this function, I am mocking the firebase-admin Node module. However, my test is failing with the error "TypeError: admin.firestore is not a function".

My function and tests are both written in TypeScript, run via ts-jest, but I don't think this is a TypeScript error, as VS Code has no complaints. I believe this is an issue with Jest's automatic mocking.

admin.firebase() is a valid call. The TypeScript definition file defines it as function firestore(app?: admin.app.App): admin.firestore.Firestore;

I've read over the Jest docs, but I'm not understanding how to fix this.

This is my function:

...

ANSWER

Answered 2020-May-12 at 06:55

Your code looks good. jest.mock mocks all the methods of the library and, by default, all of them will return undefined when called.

Explanation

The problem you are seeing is related to how the firebase-admin module methods are being defined.

In the source code for firebase-admin package, the initializeApp method is being defined as a method in the FirebaseNamespace.prototype:

Source https://stackoverflow.com/questions/61686830

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Vulnerabilities

No vulnerabilities reported

Install expect-more

You can download it from GitHub.

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For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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