Cloud Testing: AWS, GCP, and Azure

# GitHub Actions with AWS Device Farm
- name: Run on AWS Device Farm
  uses: aws-actions/configure-aws-credentials@v4
  with:
    aws-access-key-id: ${{ secrets.AWS_KEY }}
    aws-secret-access-key: ${{ secrets.AWS_SECRET }}

- name: Upload and run tests
  run: |
    aws devicefarm create-upload --project-arn $PROJECT_ARN --name tests.zip --type APPIUM_NODE_TEST_PACKAGE
    aws devicefarm schedule-run --project-arn $PROJECT_ARN --device-pool-arn $POOL_ARN --test type=APPIUM_NODE,testPackageArn=$TEST_ARN

# Run on Firebase Test Lab
- name: Run Instrumented Tests
  run: |
    gcloud firebase test android run \
      --type instrumentation \
      --app app/build/outputs/apk/debug/app-debug.apk \
      --test app/build/outputs/apk/androidTest/debug/app-debug-androidTest.apk \
      --device model=Pixel6,version=33 \
      --device model=Pixel4,version=30

# docker-compose.yml
services:
  localstack:
    image: localstack/localstack
    ports:
      - "4566:4566"
    environment:
      - SERVICES=s3,sqs,dynamodb,lambda
      - DEFAULT_REGION=us-east-1

  tests:
    build: .
    environment:
      - AWS_ENDPOINT_URL=http://localstack:4566
      - AWS_ACCESS_KEY_ID=test
      - AWS_SECRET_ACCESS_KEY=test
    depends_on:
      - localstack

# Start Pub/Sub emulator
gcloud beta emulators pubsub start --project=test-project

# Start Firestore emulator
gcloud beta emulators firestore start

# Start Datastore emulator
gcloud beta emulators datastore start

// Test AWS Lambda locally with SAM
// sam local invoke "MyFunction" -e event.json

// Or test the handler directly
import { handler } from './index.mjs';

test('Lambda handler processes event correctly', async () => {
  const event = { body: JSON.stringify({ userId: '123' }) };
  const result = await handler(event);
  expect(result.statusCode).toBe(200);
});