Bash function to run targeted Rails tests.

rt

# Use: rt test_file
# Use: rt test_file:test_name_regex
# Finds a file under test/* and runs it with -n /test_name_regex/
function rt {
  FILE_HINT=`echo $1 | cut -f1 -d:`
  TEST_REGEX=`echo $1 | cut -f2 -d:`
  FILE_PATH=`find test/* -maxdepth 3 -name ${FILE_HINT}_test.rb`
  if [ -z $FILE_PATH ];
    then
    echo Couldn\'t find file for $FILE_HINT
    return
  fi

  if [[ $1 =~ ":" ]];
    then
    echo Running $FILE_PATH -n /$TEST_REGEX/
    ruby -Itest $FILE_PATH -n /$TEST_REGEX/
  else
    echo Running $FILE_PATH
    ruby -Itest $FILE_PATH
  fi
}