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● What is unit testing?● Approaches● Why is it needed?● Downside of unit testing● Testing reasons● How do we do testing?

● Unit○

● Testing○

● What is unit testing?● Approaches● Why is it needed?● Downside of unit testing● Testing reasons● How do we do testing?

Test Driven Development (TDD)Code CoverageTest Driven Bug Fixing

● What is unit testing?● Approaches● Why is it needed?● Downside of unit testing● Testing reasons● How do we do testing?

● Code design (When doing TDD)○

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● Maintainability○

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● Provides documentation○

● Allows to “share” development (with less fear)○

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● What is unit testing?● Approaches● Why is it needed?● Downside of unit testing● Testing reasons● How do we do testing?

● Increased development time● Maintain and fix unit tests● Increased development costs● Steep learning curve

What else?..

● What is unit testing?● Approaches● Why is it needed?● Downside of unit testing● Testing reasons● How do we do testing?

● If code has to do something…○

● If it is difficult to understand how it works…○

● If I allow others to modify my code base…○

● If I find a bug…○

● If I want to have better code quality…○

● What is unit testing?● Approaches● Why is it needed?● Downside of unit testing● Testing reasons● How do we do testing?

● Testing library○

● Additional plugins○

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● Automation tools○

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● Continuous integration○

...to add some test