class DummyLogGenerator::Random

Public Class Methods

new() click to toggle source
# File lib/dummy_log_generator/generator.rb, line 83
def initialize
  @rand = ::Random.new(0)
  @chars = ('a'..'z').to_a + ('A'..'Z').to_a + ('0'..'9').to_a # no symbols and multi-bytes for now
end

Public Instance Methods

any(any) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 170
def any(any)
  any[rand(any.size-1)]
end
datetime(format: "%Y-%m-%d %H:%M:%S.%3N", random: false, value: nil) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 147
def datetime(format: "%Y-%m-%d %H:%M:%S.%3N", random: false, value: nil)
  if value
    Proc.new { value.strftime(format) }
  elsif random
    Proc.new {
      y = rand(1970..2037);
      m = rand(1..12);
      d = rand(1..27);
      h = rand(0..23);
      min = rand(0..59);
      s = rand(0..59);
      usec = rand(0..999999);
      Time.local(y, m, d, h, min, s, usec).strftime(format)
    }
  else
    Proc.new { Time.now.strftime(format) }
  end
end
float(format: nil, range: nil, value: nil) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 125
def float(format: nil, range: nil, value: nil)
  if format
    if value
      float = value.to_f
      Proc.new { sprintf(format, float) }
    elsif range
      Proc.new { sprintf(format, self.range(range)) }
    else
      Proc.new { r = rand(1..358); sprintf(format, r * Math.cos(r)) }
    end
  else
    if value
      float = value.to_f
      Proc.new { float }
    elsif range
      Proc.new { self.range(range) }
    else
      Proc.new { r = rand(1..358); r * Math.cos(r) }
    end
  end
end
integer(format: nil, range: nil, countup: false, value: nil) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 99
def integer(format: nil, range: nil, countup: false, value: nil)
  if format
    if value
      integer = sprintf(format, value.to_i)
      Proc.new { integer }
    elsif range
      Proc.new { sprintf(format, self.range(range)) }
    elsif countup
      Proc.new {|prev| sprintf(format, prev.to_i + 1) }
    else
      Proc.new { sprintf(format, rand(0..2,147,483,647)) }
    end
  else
    if value
      integer = value.to_i
      Proc.new { integer }
    elsif range
      Proc.new { self.range(range) }
    elsif countup
      Proc.new {|prev| prev + 1 }
    else
      Proc.new { rand(0..2,147,483,647) }
    end
  end
end
rand(arg = nil) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 174
def rand(arg = nil)
  @rand.rand(arg)
end
range(range) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 166
def range(range)
  rand(range)
end
string(length: 8, any: nil, value: nil) click to toggle source
# File lib/dummy_log_generator/generator.rb, line 88
def string(length: 8, any: nil, value: nil)
  if value
    string = value.to_s
    Proc.new { string }
  elsif any
    Proc.new { self.any(any) }
  else
    Proc.new { Array.new(length){@chars[rand(@chars.size-1)]}.join }
  end
end