booting iOS Simulator in Appcenter build pipeline (part of blog post at stefan-majiros.com)

boot_iOS_simulator.sh

GRACE_TIME=80
APP_ID=org.stefanmajiros.bluepass.prod
    echo "Setup iOS Simulator"
    echo "Installing iOS Simulator dependencies" 
    brew tap wix/brew
    brew update
    brew install applesimutils

    echo "Installing pods"
    cd ./ios && /usr/local/lib/ruby/gems/2.7.0/bin/pod install --repo-update && cd ..
    
    SIMULATOR_ID=$(xcrun simctl create My-iphone12 com.apple.CoreSimulator.SimDeviceType.iPhone-12 com.apple.CoreSimulator.SimRuntime.iOS-14-4)
    echo "Running $SIMULATOR_ID"
    
    echo "Booting simulator $SIMULATOR_ID"    
    xcrun simctl boot "$SIMULATOR_ID"
    
    echo "Waiting ${GRACE_TIME}s to let it boot the new simulator"
    for i in $(seq 1 $GRACE_TIME); do echo -n '.'; sleep 1; done; echo " OK."
    
    echo "Starting logging service"
    xcrun simctl spawn booted log stream --debug --predicate 'subsystem == "$APP_ID"' >  deviceLog.log &
    # echo application logs from React Native to separate file
    xcrun simctl spawn booted log stream --debug --predicate 'subsystem == "com.facebook.react.log"' >  reactLog.log &
    
    echo "Starting E2E tests"
    npm run e2e:ios -- --udid "$SIMULATOR_ID"
    xcrun simctl shutdown booted
    xcrun simctl delete "$SIMULATOR_ID"