Module: Battleroom::Exceptionable

Included in:
BattleroomMachinery
Defined in:
lib/battleroom/helpers/exceptionable.rb

Instance Method Summary collapse

Instance Method Details

#isolate_variable_name_from_name_error(error) ⇒ Object 



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# File 'lib/battleroom/helpers/exceptionable.rb', line 11

def isolate_variable_name_from_name_error(error)
  /`(.+)'/i.match(error.message)
end

#print_colorized_error_prompt(error) ⇒ Object 



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# File 'lib/battleroom/helpers/exceptionable.rb', line 4

def print_colorized_error_prompt(error)
  method_or_variable = (error.class == NoMethodError) ? "method" : "variable"
  battleprint "\nYou're referencing a #{method_or_variable} that doesn't exist, probably as the result of a mispelling. This results in a common Ruby error that reads: \n".red
  battleprint "\tundefined local variable or method \'WHATEVER_YOU_MISTYPED\'\n".green
  battleprint "Get used to it and try again.\n".red
end

#print_colorized_type_error_prompt(error) ⇒ Object 



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# File 'lib/battleroom/helpers/exceptionable.rb', line 25

def print_colorized_type_error_prompt(error)
  battleprint "\nNope! You just triggered a common Ruby error that reads:\n".red
  battleprint "\tin '[]', #{error.message}".green
  error.message.match /conversion\sof\s(.+)\sinto\sInteger/i
  battleprint "\nBasically, you put a #{$1} between square brackets, whereas Ruby ".red +
       "was expecting an index value, i.e. an integer. This commonly arises ".red +
       "when programmers think they're dealing with a hash, when in fact ".red +
       "they're dealing with an array. Try again.\n".red
end

#print_unexpected_end_of_input_explanation(error) ⇒ Object 



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# File 'lib/battleroom/helpers/exceptionable.rb', line 15

def print_unexpected_end_of_input_explanation(error)
  battleprint "\nNope! You just triggered a common Ruby error that reads:\n".red
  battleprint "\tsyntax error, unexpected end-of-input\n".green
  if error.message.include?(']')
    battleprint "Basically, you used an opening square bracket '[', but didn't pair it with a closing square bracket. Try again.\n".red
  else
    battleprint "Basically, you told Ruby you were going to assign a value to a variable, but you neglected to provide a valid value. Try again.\n".red
  end
end