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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

Summary

In this chapter, we looked at how to implement a view controller with a table view using TDD. We split the table view controller into code that manages the view hierarchy and code for the data source, and the delegate of the table view.

We discussed how to write tests to drive the development of subviews, outlets, and actions, and how to use fake objects to isolate the microfeature to be tested. The usage of mock objects allowed us to create fast, isolated, and reliable tests. This way, we were able to write tests for the table view cell without the need to instantiate the real data source of the table view.

Next, we implemented the detail view controller using TDD. We added MapKit to the project in order to show the location of the to-do item in case a user added an address.

Finally, we wrote tests to drive the implementation of the input view controller. We also looked...

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