ts-mock-imports | Intuitive mocking library for Typescript class imports | Mock library

by EmandM TypeScript Version: 1.3.8 License: MIT

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kandi X-RAY | ts-mock-imports Summary

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

ts-mock-imports leverages the ES6 import syntax to mock out imported code with stub versions of the imported objects. This allows ES6 code to be easily unit-tested without the need for an explicit dependency injection library. ts-mock-imports is built on top of sinon. Sinon stub documentation. Mocked classes take all of the original class functions, and replace them with noop functions (functions returning undefined) while maintaining type safety. This library needs to be run on TypeScript 2.6.1 or later.

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Quality

Security

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Support

ts-mock-imports has a low active ecosystem.

It has 106 star(s) with 9 fork(s). There are 3 watchers for this library.

It had no major release in the last 12 months.

There are 0 open issues and 28 have been closed. On average issues are closed in 22 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of ts-mock-imports is 1.3.8

Quality

ts-mock-imports has no bugs reported.

Security

ts-mock-imports has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

ts-mock-imports 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

ts-mock-imports releases are available to install and integrate.

Installation instructions, examples and code snippets are available.

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ts-mock-imports Key Features

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ts-mock-imports Examples and Code Snippets

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Community Discussions

Trending Discussions on ts-mock-imports

Stub adm-zip with proxyquire and sinon in TypeScript

Mocking 'os' nodejs module issues

QUESTION

Stub adm-zip with proxyquire and sinon in TypeScript

Asked 2020-Nov-04 at 16:44

I want to unit test the class zip.adapter.ts with jest. I tried a lot of different methods to mock/stub the adm-zip package but nothing works.

I first tried ts-mock-imports but it always fails if I try to mock adm-zip. Then I tried sinon but it either failed to stub adm-zip or it just didn't stub it. My last resort was to combine sinon with proxyquire but that doesn't seem to work either....

Has someone an idea why this doesn't work? When the test calls the unzip method the code in it still uses the real adm-zip implementation...

(I know the unit test doesn't make much sense because everything is mocked but I'm required to do it because of test coverage rules that I cannot change)

zip.adapter.ts

...

ANSWER

Answered 2020-Nov-04 at 16:44

Top-level import only imports ZipAdapter type so it's evaluated the first time when it's imported with require. If it were mocked with jest.mock after the import, this couldn't affect imported module.

If it needs to be mocked for all tests, it should be mocked and imported at top level:

Source https://stackoverflow.com/questions/64676413

QUESTION

Mocking 'os' nodejs module issues

Asked 2019-Nov-19 at 08:32

I'm currently facing some difficulties mocking the 'os' module in NodeJS. I'd like to mock the 'networkInterfaces' function of the module to return a fixed configuration. It is however still returning the interface data of my machines.

I've created a small test case which isolates the problem: something.ts:

...

ANSWER

Answered 2019-Nov-19 at 08:31

Here is the unit test solution:

index.ts:

Source https://stackoverflow.com/questions/57690820

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install ts-mock-imports

ts-mock-imports is built on top of Sinon and TypeScript. Ensure you have both installed.

Support

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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