Module: RubyJard::Commands::ValidationHelpers

Included in:
DownCommand, FrameCommand, NextCommand, StepCommand, StepOutCommand, UpCommand
Defined in:
lib/ruby_jard/commands/validation_helpers.rb

Overview

Helpers to help validate commands

Instance Method Summary collapse

Instance Method Details

#validate_non_negative_integer!(input) ⇒ Object

Raises:

  • (::Pry::CommandError) 


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# File 'lib/ruby_jard/commands/validation_helpers.rb', line 20

def validate_non_negative_integer!(input)
  input = input.to_s.strip
  unless input =~ /^[+\-\d]+$/
    raise ::Pry::CommandError, 'argument is not an integer'
  end

  input = input.to_i
  raise ::Pry::CommandError, 'argument must be positive' if input < 0

  input.to_i
end

#validate_positive_integer!(input) ⇒ Object

Raises:

  • (::Pry::CommandError) 


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# File 'lib/ruby_jard/commands/validation_helpers.rb', line 8

def validate_positive_integer!(input)
  input = input.to_s.strip
  unless input =~ /^[+\-\d]+$/
    raise ::Pry::CommandError, '`argument is not an integer'
  end

  input = input.to_i
  raise ::Pry::CommandError, 'argument must be positive' if input <= 0

  input
end

#validate_present!(input) ⇒ Object 



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# File 'lib/ruby_jard/commands/validation_helpers.rb', line 32

def validate_present!(input)
  input = input.to_s.strip
  if input.empty?
    raise ::Pry::CommandError, 'argument must be present'
  end

  input
end

#validate_range!(input, from, to) ⇒ Object 



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# File 'lib/ruby_jard/commands/validation_helpers.rb', line 41

def validate_range!(input, from, to)
  if input < from || input > to
    raise ::Pry::CommandError, "argument must be from #{from} to #{to}"
  end

  input
end