What are the configuration options for setupFilesAfterEnv in Jest?
An example of an AI chatbot conversation about Jest's setupFilesAfterEnv configuration options.
What are the configuration options for setupFilesAfterEnv in Jest?
The setupFilesAfterEnv option in Jest allows you to specify a list of files that will be executed after the test framework is installed but before the tests are run. This is useful for setting up global configurations or mocks.
Can I use multiple files with setupFilesAfterEnv?
Yes, you can specify multiple files in an array. For example: setupFilesAfterEnv: ['<rootDir>/setupTests.js', '<rootDir>/anotherSetup.js'].
What kind of setup can I do in those files?
You can set up global variables, configure testing libraries like Enzyme or React Testing Library, or mock global functions.
Is there a specific order in which these files are executed?
Yes, the files are executed in the order they are listed in the array.
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