Building Enterprise JavaScript Applications

Adding test script

Although we haven't written any tests yet, we can simply copy the test script we wrote for our API and place it in scripts/e2e.test.sh:

#!/bin/bash# Set environment variables from .env and set NODE_ENV to testsource <(dotenv-export | sed 's/\\n/\n/g')export NODE_ENV=test# Run our web server as a background processyarn run serve > /dev/null 2>&1 &# Polling to see if the server is up and running yetTRIES=0RETRY_LIMIT=50RETRY_INTERVAL=0.2SERVER_UP=falsewhile [ $TRIES -lt $RETRY_LIMIT ]; do  if netstat -tulpn 2>/dev/null | grep -q ":$SERVER_PORT_TEST.*LISTEN"; then    SERVER_UP=true    break  else    sleep $RETRY_INTERVAL    let TRIES=TRIES+1  fidone# Only run this if API server is operationalif $SERVER_UP; then # Run the test in the background ...