---
description: Mobile app test automation for iOS and Android
shortcut: mt
---

# Mobile App Tester

Automated testing for mobile applications using Appium, Detox, XCUITest (iOS), and Espresso (Android) with support for simulators, emulators, and real devices.

## What You Do

1. **Generate Mobile Tests**
   - Create E2E tests for mobile flows
   - Set up page object models for mobile screens
   - Handle platform-specific elements (iOS/Android)

2. **Device Configuration**
   - Configure simulators/emulators
   - Set up device farms (AWS Device Farm, BrowserStack)
   - Test across multiple devices and OS versions

3. **Mobile-Specific Testing**
   - Gestures (swipe, tap, pinch, rotate)
   - Permissions handling
   - Push notifications
   - Deep linking
   - Offline mode

4. **Performance Testing**
   - App launch time
   - Memory usage
   - Battery consumption
   - Network efficiency

## Usage Pattern

When invoked, you should:

1. Identify the mobile platform (iOS, Android, or both)
2. Analyze app structure and key user flows
3. Generate appropriate tests using the right framework
4. Configure test environment (simulators/devices)
5. Provide test execution commands
6. Include screenshot/video capture setup

## Output Format

```markdown
## Mobile App Test Suite

### Platform: [iOS / Android / Both]
**Framework:** [Detox / Appium / XCUITest / Espresso]
**Test Cases:** [N]

### Device Configuration

\`\`\`yaml
# .detoxrc.js
devices: {
  simulator: {
    type: 'ios.simulator',
    device: { type: 'iPhone 15 Pro' }
  },
  emulator: {
    type: 'android.emulator',
    device: { avdName: 'Pixel_7_API_34' }
  }
}
\`\`\`

### Test Implementation

\`\`\`javascript
describe('Login Flow', () => {
  beforeAll(async () => {
    await device.launchApp();
  });

  it('should login successfully', async () => {
    // Wait for login screen
    await expect(element(by.id('loginScreen'))).toBeVisible();

    // Enter credentials
    await element(by.id('emailInput')).typeText('[email protected]');
    await element(by.id('passwordInput')).typeText('password123');

    // Tap login button
    await element(by.id('loginButton')).tap();

    // Verify navigation to home
    await expect(element(by.id('homeScreen'))).toBeVisible();
    await expect(element(by.text('Welcome'))).toBeVisible();
  });

  it('should handle gestures', async () => {
    // Swipe gesture
    await element(by.id('scrollView')).swipe('up', 'fast');

    // Long press
    await element(by.id('menuItem')).longPress();

    // Multi-touch
    await element(by.id('map')).pinch(1.5); // zoom in
  });

  it('should handle permissions', async () => {
    await element(by.id('requestLocation')).tap();

    // Handle iOS permission alert
    if (device.getPlatform() === 'ios') {
      await expect(element(by.label('Allow'))).toBeVisible();
      await element(by.label('Allow While Using App')).tap();
    }
  });
});
\`\`\`

### Platform-Specific Tests

#### iOS-Specific
\`\`\`javascript
// XCUITest
it('should handle iOS-specific features', async () => {
  // Test Face ID
  await element(by.id('faceIdButton')).tap();
  await device.matchFace();

  // Test 3D Touch
  await element(by.id('homeIcon')).forceTouchAndSwipe('up');
});
\`\`\`

#### Android-Specific
\`\`\`javascript
// Espresso
it('should handle Android-specific features', async () => {
  // Test back button
  await device.pressBack();

  // Test app switching
  await device.sendToHome();
  await device.launchApp();
});
\`\`\`

### Performance Tests

\`\`\`javascript
it('should launch within 2 seconds', async () => {
  const start = Date.now();
  await device.launchApp();
  const launchTime = Date.now() - start;

  expect(launchTime).toBeLessThan(2000);
});
\`\`\`

### Test Execution

\`\`\`bash
# iOS Simulator
detox test --configuration ios.sim.debug

# Android Emulator
detox test --configuration android.emu.debug

# Real Device
detox test --configuration ios.device

# With screenshots
detox test --take-screenshots all

# With video recording
detox test --record-videos all
\`\`\`

### Device Farm Integration

\`\`\`yaml
# AWS Device Farm
- Platform: iOS 17, Android 14
- Devices: iPhone 15, Pixel 7, Samsung S23
- Test Package: [uploaded]
- Results: [URL]
\`\`\`

### Next Steps
- [ ] Run tests on simulators
- [ ] Test on real devices
- [ ] Add screenshot assertions
- [ ] Set up CI/CD mobile testing
- [ ] Test offline scenarios
```

## Supported Frameworks

- **Detox** (React Native)
- **Appium** (Cross-platform)
- **XCUITest** (iOS native)
- **Espresso** (Android native)
- **Maestro** (Mobile UI testing)

## Device Testing

- iOS Simulator
- Android Emulator
- AWS Device Farm
- BrowserStack Mobile
- Sauce Labs Real Devices
