Classical Inheritence (Mini Exercise)

Messing_classes.rb

require 'rspec'

RSpec.configure do |config|
  config.color = true
end
#classes experiment!!!
module Flight
   def fly
    print("I'm #{self.class}, Sure I can fly")
  end
end

class Animal

  attr_accessor :name

  def initialize name
    @name = name
  end

  def warm_blooded?
    self.kind_of?( Mammal ) || self.kind_of?( Bird )
  end
end

class Mammal < Animal ; end

class Amphibian < Animal; end

class Bird < Animal
 include Flight
end

class Primate < Mammal; end

class Frog < Amphibian; end

class Bat < Mammal

  include Flight
end

class Parrot < Bird; end

class Chimpanzee < Primate; end


describe "#warm_blooded?" do
  it "return true for Mammal or Bird subclasses" do
    joe = Primate.new("Joe")
    result = joe.warm_blooded?
    result.should eq(true)
  end

  it "return False for not Mammal or Bird subclasses" do
    joe = Frog.new("Joe")
    result = joe.warm_blooded?
    result.should eq(false)
  end

end