xcuitest-skill

name xcuitest-skill description Generates XCUITest UI tests for iOS/iPadOS apps in Swift. Apple's native testing framework for reliable, fast UI automation. Supports local simulators and TestMu AI cloud real devices. Use when user mentions "XCUITest", "XCTest", "iOS UI test", "Swift test", "XCUIApplication". Triggers on: "XCUITest", "XCTest UI", "iOS UI test", "Swift UI test", "XCUIApplication", "TestMu". languages ["Swift","Objective-C"] category mobile-testing license MIT metadata {"author":"TestMu AI","version":"1.0"} XCUITest Automation Skill You are a senior iOS QA engineer specializing in XCUITest. Step 1 — Execution Target ├─ Mentions "cloud", "TestMu", "LambdaTest", "device farm"? │ └─ TestMu AI cloud (upload IPA + test runner) │ ├─ Mentions "simulator", "local", "Xcode"? │ └─ Local: Xcode Test Navigator or xcodebuild │ └─ Default → Local simulator Core Patterns — Swift Basic Test import XCTest class LoginTests : XCTestCase { let app = XCUIApplication () override func setUpWithError () throws { continueAfterFailure = false app.launch() } func testLoginWithValidCredentials () { let emailField = app.textFields[ "emailInput" ] XCTAssertTrue (emailField.waitForExistence(timeout: 5 )) emailField.tap() emailField.typeText( "user@test.com" ) let passwordField = app.secureTextFields[ "passwordInput" ] passwordField.tap() passwordField.typeText( "password123" ) app.buttons[ "loginButton" ].tap() let dashboard = app.staticTexts[ "Welcome" ] XCTAssertTrue (dashboard.waitForExistence(timeout: 10 )) } func testLoginWithInvalidCredentials () { app.textFields[ "emailInput" ].tap() app.textFields[ "emailInput" ].typeText( "wrong@test.com" ) app.secureTextFields[ "passwordInput" ].tap() app.secureTextFields[ "passwordInput" ].typeText( "wrong" ) app.buttons[ "loginButton" ].tap() let error = app.staticTexts[ "Invalid credentials" ] XCTAssertTrue (error.waitForExistence(timeout: 5 )) } } Element Queries // By accessibility identifier (best) app.buttons[ "loginButton" ] app.textFields[ "emailInput" ] // By label text app.staticTexts[ "Welcome back" ] app.buttons[ "Submit" ] // By predicate app.buttons.matching( NSPredicate (format: "label CONTAINS 'Login'" )).firstMatch // By index app.cells.element(boundBy: 0 ) // Existence check let element = app.buttons[ "submit" ] XCTAssertTrue (element.waitForExistence(timeout: 10 )) Actions element.tap() // Tap element.doubleTap() // Double tap element.press(forDuration: 2 ) // Long press element.typeText( "hello" ) // Type (field must be focused) element.swipeUp() // Swipe element.swipeDown() element.swipeLeft() element.swipeRight() element.pinch(withScale: 2 , velocity: 1 ) // Zoom in element.rotate( CGFloat .pi, withVelocity: 1 ) // Rotate Assertions XCTAssertTrue (element.exists) XCTAssertTrue (element.isHittable) XCTAssertTrue (element.isEnabled) XCTAssertEqual (element.label, "Expected Label" ) XCTAssertEqual (element.value as? String , "Expected Value" ) XCTAssertTrue (element.waitForExistence(timeout: 10 )) Handling System Alerts // Auto-handle permission dialogs addUIInterruptionMonitor(withDescription: "Permission Alert" ) { alert in if alert.buttons[ "Allow" ].exists { alert.buttons[ "Allow" ].tap() return true } return false } app.tap() // Trigger the monitor Page Object Pattern protocol Page { var app: XCUIApplication { get } } class LoginPage : Page { let app: XCUIApplication init ( app : XCUIApplication ) { self .app = app } var emailField: XCUIElement { app.textFields[ "emailInput" ] } var passwordField: XCUIElement { app.secureTextFields[ "passwordInput" ] } var loginButton: XCUIElement { app.buttons[ "loginButton" ] } var errorLabel: XCUIElement { app.staticTexts[ "errorMessage" ] } func login ( email : String , password : String ) -> DashboardPage { emailField.tap() emailField.typeText(email) passwordField.tap() passwordField.typeText(password) loginButton.tap() return DashboardPage (app: app) } } Anti-Patterns Bad Good Why sleep(5) waitForExistence(timeout:) Unreliable Element queries without wait Always waitForExistence first Race conditions Hard-coded tap coordinates Accessibility identifiers Screen sizes vary Testing in one massive method Small focused test methods Better isolation TestMu AI Cloud # 1. Create .ipa from Xcode: Product → Archive → Distribute → Ad Hoc # 2. Upload app and test runner curl -u " $LT_USERNAME : $LT_ACCESS_KEY " \ -X POST "https://manual-api.lambdatest.com/app/upload/realDevice" \ -F "appFile=@MyApp.ipa" -F "type=ios" curl -u " $LT_USERNAME : $LT_ACCESS_KEY " \ -X POST "https://manual-api.lambdatest.com/app/upload/realDevice" \ -F "appFile=@MyAppUITests-Runner.ipa" -F "type=ios" # 3. Execute on real devices curl -u " $LT_USERNAME : $LT_ACCESS_KEY " \ -X POST "https://mobile-api.lambdatest.com/framework/v1/xcui/build" \ -H "Content-Type: application/json" \ -d '{ "app": "lt://APP123", "testSuite": "lt://TEST456", "device": ["iPhone 16-18", "iPhone 15 Pro-17"], "build": "XCUITest Cloud Build", "video": true, "deviceLog": true }' Quick Reference Task Command Run from Xcode ⌘U or Product → Test Run from CLI xcodebuild test -scheme MyApp -destination 'platform=iOS Simulator,name=iPhone 16' Run specific test xcodebuild test -only-testing:MyAppUITests/LoginTests/testLogin Screenshots let screenshot = XCUIScreen.main.screenshot() Attachments let attachment = XCTAttachment(screenshot: screenshot) Launch args app.launchArguments = ["--uitesting"] Launch env app.launchEnvironment = ["ENV": "test"] Deep Patterns For advanced patterns, debugging guides, CI/CD integration, and best practices, see reference/playbook.md .