1、创建一个新的单元测试类,继承自XCTestCase:swift import XCTest @testable import YourApp // 导...
This target will contain the unit tests for your SwiftUI views. Import Necessary Modules: In your test files, import the necessary modules, such as XCTest and your main app module to access your SwiftUI views. Writing Unit Tests Now that your project is set up for testing, let's dive ...
Step 5. Click “Next” and name your test file. Step 6. Select the appropriate targets and click “Create“. Writing iOS Unit Tests The default test file templates for both unit and UI tests in Xcode provide a starting point for developers to create their tests. In the case of...
finalclassImageFetcherTests:XCTestCase{/// We marked the method to be async and throwing.functestImageFetching()asyncthrows{letimageFetcher=ImageFetcher()/// The image URL in this example returns a random image./// I recommend mocking outgoing network requests as a best practice:/// https:/...
You'll find more insights on how to write tests for code using Combine in my book Test-Driven Development in Swift with SwiftUI and Combine. What are the most common Publisher behavior you test? I'd love to hear from you! Leave a comment below or get in touch on Twitter at @mokagio...
Here's how to have a dedicated AppDelegate for the unit test target in Swift:// main.swift import UIKit private func delegateClassName() -> String? { return NSClassFromString("XCTestCase") == nil ? NSStringFromClass(AppDelegate.self) : nil } UIApplicationMain( CommandLine.argc, CommandLine....
Error-prone.We all know how hard it is to get async code right. Same goes for testing it. If you run across a multithreading issue in your tests, you know that you are on for a wild ride. The solution is to use next four patterns which allow us to test async code in a safe and...
extensionXCTestCase{/// Checks for the callback to be the expected value within the given timeout./// - Parameters:/// - condition: The condition to check for./// - timeout: The timeout in which the callback should return true./// - description: A string to display in the test ...
Step 5. Click “Next” and name your test file. Step 6. Select the appropriate targets and click “Create“. Writing iOS Unit Tests The default test file templates for both unit and UI tests in Xcode provide a starting point for developers to create their tests. In the case of unit tes...
Step 5. Click “Next” and name your test file. Step 6. Select the appropriate targets and click “Create“. Writing iOS Unit Tests The default test file templates for both unit and UI tests in Xcode provide a starting point for developers to create their tests. In the case of unit tes...