handle_watched_file.sh

#!/usr/bin/env bash

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
source "${SCRIPT_DIR}/boilerplate.sh"

function now {
  ::now
}

function print {
  ::log "$@"
}

function run_all_tests {
  print "Running all tests."
  local exit_code=0
  for test_file in ./tests/**/*test.*js; do
    run_test "${test_file}"
    ! [[ $? -eq 0 ]] && exit_code=1
  done
  print "Done running all tests."
  return ${exit_code}
}

function run_test {
  local test_file=$1
  print "Running test: ${test_file}"
  node "${test_file}"
  return $?
}

function get_test_file {
  local src_file=$1
  local filename=$(basename ${src_file})
  local dirpath=$(dirname ${src_file})

  local test_dirpath=${dirpath/power/power\/tests}
  local test_filename=
  if [[ "${src_file}" =~ \.js ]]; then
    test_filename=${filename/\.js/.test.mjs}
  elif [[ "${src_file}" =~ \.mjs ]]; then
    test_filename=${filename/\.mjs/.test.mjs}
  fi
  echo ${test_dirpath}/${test_filename}
}

function rebuild_app {
  print "Rebuilding app"
  npm run build &>/tmp/power-npm-run-build.log &
}

function main {
  local file=$1
  local test_file=
  clear


  if ! [[ "${file}" =~ /tests/ ]]; then
    # regenerate app if changed file isn't a test file
    rebuild_app
  fi

  if [[ "${file}" =~ test\.m?js ]]; then
    run_test "${file}"
  elif [[ "${file}" =~ \.m?js ]]; then
    test_file=$(get_test_file "${file}")
    if [[ -e "${test_file}" ]]; then
      run_test "${test_file}"
    else
      if ! [[ "${file}" =~ /ui/ ]]; then
        # /ui/ files do not have tests
        run_all_tests
      fi
    fi
  fi

  exit $?
}

main "$@"