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adding exercise for step 5

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2019-02-19 14:14:34 -08:00
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step2-04/README.md
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# Step 2.4
Testing Typescript code with jest.
Testing Typescript code with jest. jest is a test framework made by Facebook and is very popular in the React and the wider JS ecosystem. We will work on implementing simple unit tests here in this exercise.
We won't go too deeply into mocks in this exercise, but feel free to play around with that yourself by reading up on this:
https://jestjs.io/docs/en/mock-functions
# Exercise
1. copy the generic `Stack<T>` code you have developed in Step 2.1
2. import the `Stack<T>` class into `stack.spec.ts`
2. Run the tests by running `npm test` at the root of the bootcamp project
3. Follow the instructions inside the file to complete the two tests
3. Follow the instructions inside the `stack.spec.ts` file to complete the two tests

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step2-04/exercise/index.html Normal file
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<!DOCTYPE html>
<html>
<body>
For this step, we look at unit testing. Run
<pre>npm test</pre>
in the command line.
</body>
</html>