Panda, tiger, eagle!

Gemfile.lock

@@ -1,33 +1,41 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (3.2.3)
-      activesupport (= 3.2.3)
-      builder (~> 3.0.0)
-    activerecord (3.2.3)
-      activemodel (= 3.2.3)
-      activesupport (= 3.2.3)
-      arel (~> 3.0.2)
-      tzinfo (~> 0.3.29)
-    activesupport (3.2.3)
-      i18n (~> 0.6)
-      multi_json (~> 1.0)
-    arel (3.0.2)
-    builder (3.0.0)
-    diff-lcs (1.1.3)
-    i18n (0.6.0)
-    multi_json (1.3.4)
-    pg (0.13.2)
-    rake (0.9.2.2)
-    rspec (2.10.0)
-      rspec-core (~> 2.10.0)
-      rspec-expectations (~> 2.10.0)
-      rspec-mocks (~> 2.10.0)
-    rspec-core (2.10.0)
-    rspec-expectations (2.10.0)
-      diff-lcs (~> 1.1.3)
-    rspec-mocks (2.10.1)
-    tzinfo (0.3.33)
+    activemodel (4.0.2)
+      activesupport (= 4.0.2)
+      builder (~> 3.1.0)
+    activerecord (4.0.2)
+      activemodel (= 4.0.2)
+      activerecord-deprecated_finders (~> 1.0.2)
+      activesupport (= 4.0.2)
+      arel (~> 4.0.0)
+    activerecord-deprecated_finders (1.0.3)
+    activesupport (4.0.2)
+      i18n (~> 0.6, >= 0.6.4)
+      minitest (~> 4.2)
+      multi_json (~> 1.3)
+      thread_safe (~> 0.1)
+      tzinfo (~> 0.3.37)
+    arel (4.0.1)
+    atomic (1.1.14)
+    builder (3.1.4)
+    diff-lcs (1.2.5)
+    i18n (0.6.9)
+    minitest (4.7.5)
+    multi_json (1.8.4)
+    pg (0.17.1)
+    rake (10.1.1)
+    rspec (2.14.1)
+      rspec-core (~> 2.14.0)
+      rspec-expectations (~> 2.14.0)
+      rspec-mocks (~> 2.14.0)
+    rspec-core (2.14.7)
+    rspec-expectations (2.14.4)
+      diff-lcs (>= 1.1.3, < 2.0)
+    rspec-mocks (2.14.4)
+    thread_safe (0.1.3)
+      atomic
+    tzinfo (0.3.38)
 
 PLATFORMS
   ruby

models/automobile.rb

@@ -0,0 +1,5 @@
+require_relative 'vehicle'
+
+class Automobile < Vehicle
+
+end

models/motorcycle.rb

@@ -0,0 +1,7 @@
+require_relative 'vehicle'
+
+class Motorcycle < Vehicle
+  def self.num_wheels
+    num_wheels = 2
+  end
+end

models/vehicle.rb

@@ -0,0 +1,46 @@
+class Vehicle
+
+  attr_reader :color, :make, :model, :year, :name
+
+  @@all_vehicles = []
+
+  def initialize(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]
+    @name = args.fetch(:name) if args[:name]
+    args[:year] = @year.to_s
+    @@all_vehicles << args
+  end
+
+  def self.all_vehicles
+    @@all_vehicles
+  end
+
+  def self.num_wheels
+    num_wheels = 4
+  end
+
+  def self.filter(args ={})
+    search_str =  args.to_a.map { |group| "vehicle[:#{group[0]}] == '#{group[1]}' and "}.reduce(:+)[0..-5]
+    @@all_vehicles.find_all { |vehicle| eval(search_str) }
+  end
+
+  def update_all_vehicles(name)
+    index = @@all_vehicles.index {|vehicle| vehicle[:name] == name}
+    @@all_vehicles[index] = { name: @name, color: @color, make: @make, model: @model, year: @year}
+  end
+
+  def all_vehicles
+    @@all_vehicles
+  end
+
+  def update(name, 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]
+    update_all_vehicles(name)
+  end
+end

spec/automobiles_spec.rb

@@ -0,0 +1,23 @@
+require_relative 'spec_helper'
+
+describe Automobile do
+
+  it "should return the number of wheels" do
+    expect(Automobile.num_wheels).to eq(4)
+  end
+
+  it "should have and set attributes: color, make, model, and year" do
+    car = Automobile.new(name: 'bill', color: "blue", make: "Toyota", model: "Prius", year: 2008 )
+    expect(car.color).to eq('blue')
+    expect(car.make).to eq('Toyota')
+    expect(car.model).to eq('Prius')
+    expect(car.year).to eq('2008')
+  end
+
+  it "should allow you to change attributes" do
+    car = Automobile.new(name: 'jerry', color: "blue", make: "Toyota", model: "Prius", year: 2008 )
+    expect(car.color).to eq("blue")
+    car.update('jerry', color: "yellow")
+    expect(car.color).to eq("yellow")
+  end
+end

spec/motorcycle_spec.rb

@@ -0,0 +1,7 @@
+require_relative 'spec_helper'
+
+describe Motorcycle do
+  it "should return the number of wheels" do
+    expect(Motorcycle.num_wheels).to eq(2)
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1,19 @@
+require 'rspec'
+require 'bundler/setup'
+require_relative '../db/setup'
+
+Dir.glob("./models/**/*.rb").each {|f| require f}
+
+
+
+RSpec.configure do |config|
+  # Use color in STDOUT
+  config.color_enabled = true
+
+  # Use color not only in STDOUT but also in pagers and files
+  config.tty = true
+
+  # Use the specified formatter
+  config.formatter = :documentation # :progress, :html, :textmate
+end
+

spec/vehicles_spec.rb

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+require_relative 'spec_helper'
+
+describe Vehicle do
+
+  it "should add to @all_vehicles" do
+    Automobile.new(name: 'new', color: 'purple', make: 'Toyota', model: 'Prius', year: 2008) 
+    index = Automobile.all_vehicles.index {|vehicle| vehicle[:name] == 'new' }
+    expect(Automobile.all_vehicles[index]).to eq({name: 'new', :color => 'purple', :make => 'Toyota', :model => 'Prius', :year => "2008"})
+  end
+
+  describe "#filter" do
+    it "should filter on blue honda accords" do
+      Automobile.new(name: 'new3', color: 'blue', make: 'Honda', model: 'Accord', year: 2008) 
+      Automobile.new(name: 'new4', color: 'white', make: 'Honda', model: 'Accord', year: 2008) 
+      Automobile.new(name: 'new5', color: 'blue', make: 'Honda', model: 'Accord', year: 2008) 
+      Automobile.new(name: 'new6', color: 'purple', make: 'Toyota', model: 'Prius', year: 2008) 
+      expect(Automobile.filter(color: 'blue', make: 'Honda', model: 'Accord')).to eq([{name: 'new3', color: 'blue', make: 'Honda', model: 'Accord', year: "2008"}, {name: 'new5', color: 'blue', make: 'Honda', model: 'Accord', year: "2008"}])
+    end
+  end
+
+
+  describe "#update" do
+    it "should update @@all_vehicles" do
+      car = Automobile.new(name: 'new2', color: 'purple', make: 'Toyota', model: 'Prius', year: 2008) 
+      car.update('new2', year: 2009)
+      index = car.all_vehicles.index {|vehicle| vehicle[:name] == 'new2' }
+      expect(car.all_vehicles[index][:year]).to eq('2009')
+    end
+  end
+
+  it "should return the number of wheels" do
+    expect(Vehicle.num_wheels).to eq(4)
+  end
+
+  it "should keep track of the vehicles created" do
+    Automobile.new(name: 'john', color: 'yellow', make: 'Toyota', model: 'Prius', year: 2008)
+    Motorcycle.new(name: 'ben', color: 'red', make: 'honda', model: 'fast', year: 2014)
+    expect(Automobile.all_vehicles.length).to eq(2)
+  end
+end