What are integration testing setup for StoreKit 2 in Swift?

Integration testing for StoreKit 2 in Swift involves setting up a simulated environment where you can test the purchase process, restore transactions, and handle subscription management without using real money. Here's a guide on how to set up integration tests for StoreKit 2.

Basic Setup for Integration Testing

Before you begin testing with StoreKit 2, make sure you have the necessary configurations in your project:

  • Enable in-app purchases in your app's capabilities.
  • Set up your app on App Store Connect and create test products.
  • Use StoreKit Configuration files to specify products for testing.

StoreKit Configuration File

Create a StoreKit configuration file (e.g., StoreKitConfig.storekit) in your Xcode project. Add your products in this configuration file so that you can use it during testing.

Writing Integration Tests

Here is a simplified example of how you can write an integration test for StoreKit 2:

import XCTest import StoreKit class StoreKitIntegrationTests: XCTestCase { func testPurchaseProduct() async throws { let product = try await Product.products(for: ["your_product_id"]).first let result = try await product.purchase() switch result { case .success(let verificationResult): // Handle successful purchase if case .unverified(_, _) = verificationResult { // Handle unverified purchases } case .userCancelled: // Handle user cancellation break case .failure(let error): // Handle purchase failure XCTFail("Purchase failed with error: \(error)") } } func testRestorePurchases() async throws { let result = try await AppStore.sync() switch result { case .success(let restored): // Handle restored purchases NSLog("Restored Purchases: \(restored)") case .failure(let error): // Handle restore failure XCTFail("Restore failed with error: \(error)") } } }

StoreKit 2 Swift Integration Testing In-App Purchases XCTest Testing Products

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