iOS Quality & ComplianceLesson 75Free preview

Testing with XCTest

This lesson is part of Swift · All levels

Summary

This lesson discusses testing iOS apps comprehensively using the modern XCTest and Swift Testing frameworks. Testing includes Unit Testing for business logic and model view, Performance Testing to measure algorithm efficiency, and UI Testing to simulate user interactions on a real-world application interface.

Key points

XCTestCase is the basic class for creating a suite of unit and UI testing in Xcode
Swift Testing (@MacroTest) is a modern declarative testing framework introduced in Xcode 16
Assert functions such as XCTAssertEqual and #expect verify the actual outcome against expectation
UI testing uses XCUIApplication to interact with UI elements such as buttons and text fields

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