react-testing-library-course | Test React Components with Jest and React Testing Library | Testing library
kandi X-RAY | react-testing-library-course Summary
kandi X-RAY | react-testing-library-course Summary
Test React Components with Jest and React Testing Library on TestingJavaScript.com
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Top functions reviewed by kandi - BETA
- Edit Editor .
- Confirm .
- Simple client .
- Page1 .
- page2!
- Generates a number for the given number .
- Submit a new post
- Clear up time .
- Create a new graphic loader .
- The counter class .
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QUESTION
I'm trying to mock a fetch() that retrieves data into a component.
I'm using this as a model for mocking my fetches, but I'm having trouble getting it to work.
I'm getting this error when I run my tests: babel-plugin-jest-hoist: The module factory of 'jest.mock()' is not allowed to reference any out-of-scope variables.
Is there a way I can have these functions return mock data instead of actually trying to make real API calls?
Code utils/getUsers.jsReturns users with roles mapped into each user.
...ANSWER
Answered 2019-Apr-12 at 20:48You need to rename the variables used in the scope of the mocks to be prefixed with mock
(e.g. mockUsers
).
Jest does some hoisting magic to allow you to replace the imported modules with mocks, but does seem to require these special variable name prefixes to do its thing.
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