How do I unit test global variables in my code?
An example of an AI chatbot conversation about unit testing global variables in programming.
How do I unit test global variables in my code?
Unit testing global variables can be tricky. It's best to minimize their use. However, if you must, you can mock them.
What do you mean by mocking global variables?
Mocking global variables means creating a temporary version of the variable for testing, so it doesn't affect the actual global state.
Can you give me an example of how to mock a global variable?
Sure! In JavaScript, you can use libraries like Jest to mock global variables using jest.spyOn or global.variableName = value.
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