feat: add cypress for e2e tests

cypress/run-e2e.sh

@@ -0,0 +1,83 @@
+#!/bin/bash
+
+gastby_pid=''
+api_pid=''
+
+application_host='http://localhost:8000'
+cypress_cmd='cypress:open'
+
+finally() {
+  echo "End to end bash script exiting gracefully"
+
+  local exit_code="${1:-0}"
+  # This is the clean up.
+  # Find any node processes running from within the client dir
+  local hanging_client_processes=$(ps aux | grep -v grep | grep client/node_modules | awk '{print $2}')
+  local hanging_api_processes=$(ps aux | grep -v grep | grep api-server/node_modules | awk '{print $2}')
+  local hanging_server_processes=$(ps aux | grep -v grep | grep 'node production-start.js' | awk '{print $2}')
+
+  # Send kill signal to the processes
+  if [ ${#hanging_api_processes} -gt "0" ];  then
+    kill -9 $hanging_api_processes &>/dev/null
+  fi
+  if [ ${#hanging_client_processes} -gt "0" ]; then
+    kill -9 $hanging_client_processes &>/dev/null
+  fi
+  if [ ${#hanging_server_processes} -gt "0" ]; then
+    kill -9 $hanging_server_processes &>/dev/null
+  fi
+
+  kill -9 $gastby_pid $api_pid &>/dev/null
+
+  echo "Finally exiting with a status code of ${exit_code}"
+  exit "${exit_code}"
+}
+
+trap finally SIGINT
+
+run_development_application() {
+  cd client
+  npm run stand-alone &
+  gastby_pid=$!
+
+
+  cd ../api-server
+  npm start &
+  api_pid=$!
+
+  cypress_cmd='cypress:run'
+  cd ../
+}
+
+run_production_application() {
+  cd client
+  npm run build
+  npm run serve &
+  gastby_pid=$!
+
+  cd ../
+
+  application_host='http://localhost:9000/'
+  cypress_cmd='cypress:run'
+}
+
+if [ "$NODE_ENV" = "production" ]; then
+  run_production_application
+else
+  run_development_application
+fi
+
+while true; do
+  curl $application_host &>/dev/null
+  curl_exit_code=$?
+
+  if [ $curl_exit_code = "0" ]; then
+    break
+  else
+    sleep 10
+  fi
+done
+
+npm run $cypress_cmd
+
+finally $?