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Test-Driven iOS Development with Swift 4

You're reading from   Test-Driven iOS Development with Swift 4 Write Swift code that is maintainable, flexible, and easily extensible

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781788475709
Length 222 pages
Edition 3rd Edition
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Author (1):
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Dr. Dominik Hauser Dr. Dominik Hauser
Author Profile Icon Dr. Dominik Hauser
Dr. Dominik Hauser
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Toc

Putting It All Together

In the previous chapters, we implemented different parts of our app using TDD. Now, it is time to put all the parts together to develop a complete app.

This part of the implementation using TDD is the most exciting one. Usually, when not using TDD, you build and run the app in the simulator all the time to check whether your code works and changes bring the app closer to its final state.

In TDD, most of the development is done without running the app on the simulator or device. The tests guide the implementation. This has one big advantage: you can implement parts of the app that need to talk to a component that has not been implemented yet. For example, you can write and verify the complete data model before a view controller or view is able to show the data on the screen.

In this chapter, we will put the different parts of our code together to form the...

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