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Test-Driven iOS Development with Swift 4 - Third Edition

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

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Product type Book
Published in Oct 2017
Publisher Packt
ISBN-13 9781788475709
Pages 222 pages
Edition 3rd Edition
Languages
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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

Functional tests

Until now, we have written unit tests to drive the implementation. Unit tests test a small microfeature (a unit of the project) under controlled circumstances.

On the other side of the spectrum are functional tests, which test the functionalities of the app in terms of how a user would approach them. The user does not care how the app they're using is implemented. The user cares about what they can do with the app. Functional tests help make sure that the app works as expected.

In this section, we will add a functional test using UI tests, which were introduced with Xcode 7. We will take one functionality (adding a to-do item) and write a test from the user's perspective.

Adding a UI test target

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