class PrintPrimesTable::Validators::DefaultValidator
Public Class Methods
validate(args)
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validate the args before a method to return a message to the user @param args [Array] in this case is valid 1 argument integer @return [Symbol | String] :valid or an Error Message
# File lib/print_primes_table/validators/default_validator.rb, line 11 def validate(args) begin raise ArgumentError.new( ErrorMessage.new(:command_wrong_arguments, {:max => 1, :argument_num => args.count } ).show_content) if args.count > 1 if args.count > 0 begin total = Integer(args[0]) rescue raise TypeError.new( ErrorMessage.new(:command_wrong_type_arguments, { :argument => args[0] }).show_content) end raise RangeError.new( ErrorMessage.new(:less_than_min, { :min => 1, :argument => args[0] }).show_content) if total < 1 end :valid rescue => err err.message end end