Added Vehicle, Automobile & Motorcycle classes with required options

models/auto.rb

@@ -0,0 +1,46 @@
+class Vehicle
+  attr_accessor :color, :make, :model, :year, :wheel
+##
+# Initialize new vehicle; if no arguments are provided, default to "None"
+  def initialize(args)
+    @color = args[:color] ||= "None"
+    @make = args[:make] ||= "None"
+    @model = args[:model] ||= "None"
+    @year = args[:year] ||= "None"
+  end
+##  
+# If I want to update the Vehicle, so shall it be
+  def updater(args)
+    @color = args.fetch(:color) if args[:color]
+    @make = args.fetch(:make) if args[:make]
+    @model = args.fetch(:model) if args[:model]
+    @year = args.fetch(:year).to_s if args[:year]
+  end
+##
+# Such wheels, so round
+# May have been overzealous
+#
+# Could have done:
+# def number_of_wheels
+#    4
+# end
+#
+# But wanted to mess with arguments
+##
+  def self.number_of_wheels(wheels)
+    @wheel = wheels
+    return @wheel
+  end
+end
+
+
+class Automobile < Vehicle
+  Automobile.number_of_wheels(4)
+end
+
+
+##
+# Doesn't have a redefined method, but should still give us correct wheels.
+class Motorcycle < Vehicle
+  Motorcycle.number_of_wheels(2)
+end

spec/auto_spec.rb

@@ -0,0 +1,44 @@
+require './models/auto'
+require 'rspec'
+
+describe Automobile do
+
+  let(:auto) {Automobile.new(color: "Red",make: "Ford",model: "Fiesta",year: "2014")}
+
+##
+# Passing tests 
+  it "should have a color" do
+    auto.color.should eq("Red")
+  end
+  it "should have a make" do
+    auto.make.should eq("Ford")
+  end
+  it "should have a model" do
+    auto.model.should eq("Fiesta")
+  end
+  it "should have a year made" do
+    auto.year.should eq("2014")
+  end
+  it "should be able to update via hash" do
+    auto.updater(color: "Blue",make: "Chevy", model: "Nova SS", year: "1968")
+    auto.color.should eq("Blue")
+    auto.make.should eq("Chevy")
+    auto.model.should eq("Nova SS")
+    auto.year.should eq("1968")
+  end
+  it "should have 4 the wheels" do
+    Automobile.number_of_wheels(4).should eq(4)
+  end
+  it "should not have 300 wheels" do
+    Automobile.number_of_wheels(300).should_not eq(4)  
+  end
+end
+
+describe Motorcycle do
+  it "should have 2 wheels" do
+    Motorcycle.number_of_wheels(2).should eq(2)
+  end
+  it "should not have 4 wheels" do
+    Motorcycle.number_of_wheels(4).should_not eq(2)
+  end
+end