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If you’re using your own app and already have test targets and a test plan, feel free to skip this section. Adding Testing Targets and a Test Planįirst, add two new testing targets: one for unit tests and another for UI tests. If you prefer, follow along using your own app. Use the Download Materials button at the top or bottom of this article to download the starter and final Scattergories app used throughout this article. This is a great time to add tests, before you get to the heavy-lifting part of implementing gameplay. Like the original game, you score points by naming objects from a set of categories, all of which have to start with a randomly selected letter.Ĭurrently, the app only supports randomly selecting a letter. To demonstrate the testing concepts and tools discussed in this article, you’ll work on a Scattergories client app. Sound like a plan? Time to get started! Getting Started

:] In this article, you’ll learn how to use these Xcode 12 testing topics to enhance your app’s quality and your development velocity. It may be a bit painful to admit, but everyone writes buggy code sometimes.

Execution Time Allowance to better handle hung tests.

The ability to skip tests instead of having to comment them out using XCTSkip.

Breadcrumbs for test failures which point you directly to the point of failure.

Improved test results with the new XCTIssue type.

Xcode 12 introduces improvements to enhance the testing experience, including: As a result, you avoid unintentionally matching your tests to the code you’ve already written and force yourself to think about what you want to achieve before writing a single line of code. Only then do you get to implementation, with the goal of getting your tests to pass. The idea behind test-driven development is simple: Think about what you want to accomplish, break that down into use cases and write tests to verify those cases.