1. What is unit testing?

✔️ Unit testing revolves around the idea of having separate, small pieces of code that are easy to test.
❌ Unit testing tests how parts of your system interact with other parts of your system.
❌ Unit testing gives you an efficiency rating for your code measured in units.
❌ Unit testing tries to imitate how a user might interact with your app.

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2. When the test executes, what format will the result be?

✔️ Success/Fail
❌ True/False
❌ String
❌ Function

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3. Testing type with small, easy-to-test pieces?

✔️ Unit testing
❌ End-to-end testing
❌ Post-hoc testing
❌ Integration testing

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4. Why know your code coverage?

✔️ It lets you know where more testing may be required.
❌ It lets you know if your code is in JavaScript.
❌ It lets you know if you are testing correctly.
❌ It lets you know if you are done writing code.

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5. Which runtimes are used for building backends?

✔️ Node.js
❌ Jest
❌ Protractor
❌ Cyprus

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6. What is integration testing?

✔️ Integration testing tests how parts of your system interact with other parts of your system.
❌ Integration testing revolves around small pieces of code.
❌ Integration testing tests code coverage.
❌ Integration testing imitates user interaction.

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7. What is npm used for?

✔️ Use a large number of libraries and frameworks as Node.js modules.
❌ Build a backend.
❌ Test code coverage.
❌ Add code from Stack Overflow or GitHub.

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8. What does package.json do?

✔️ Store all the dependencies required for an application.
❌ Store all testing code.
❌ Download npm packages.
❌ Turn your code into an application.

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9. True or False: End-to-end tests can be performed in a web browser without writing code.

✔️ True
❌ False

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10. In Jest, mocking is done using:

✔️ Jest Mock functions
❌ Jest Snapshot
❌ External mock libraries
❌ Jest Fakes

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📊 Summary Table

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