karthiks

karthik@cloud:~/MyRubyProjects/beach_projects/dashboard$ bundle install
/home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/ui.rb:56:in '<class:UI>': uninitialized constant Gem::SilentUI (NameError)
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/ui.rb:2:in `<module:Bundler>'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/ui.rb:1:in `<top (required)>'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/cli.rb:16:in `initialize'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/vendor/thor.rb:246:in `new'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/vendor/thor.rb:246:in `dispatch'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/vendor/thor/base.rb:389:in `start'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/bin/bundle:13:in `<top (required)>'
	from /home/karthik/.

karthiks

class Fixnum
    def crime
    end
end
p 2.method(:crime)
#<Method: Fixnum#crime>    #crime() defined in Fixnum class is invoked

module Loser
  def crime
  end

karthiks

require File.expand_path('../boot', __FILE__)

require 'rails/all'

# If you have a Gemfile, require the gems listed there, including any gems
# you've limited to :test, :development, or :production.
Bundler.require(:default, Rails.env) if defined?(Bundler)

module MyRails3App
  class Application < Rails::Application

karthiks

# RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com

# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
module Player
	describe MovieList, "with optional description" do
		  
	  it "is pending example, so that you can write ones quickly"
	  
	  it "is already working example that we want to suspend from failing temporarily" do
		pending("working on another feature that temporarily breaks this one")

karthiks

### Terminal Output showing spec failure ###
Failures:
  1) CurrencyConverter#validations 
     Failure/Error: it { should validate_uniqueness_of(:from).scoped_to(:to) }
       Can't find first CurrencyConverter
     # ./spec/models/currency_converter_spec.rb:4:in `block (3 levels) in <top (required)>'


###########################################
           ### The Solution ###

karthiks

################################################################################
################################## Yucky code ##################################

find_by_name name
  User.all( :conditions => "first_name LIKE #{name}% OR last_name LIKE #{name}%")   #prone to SQL injection. Imagine the parameter name = "1; drop table users;"
end


############################################################################################################################
# For Active Record to sanitize the input parameters from SQL Injection of sorts, you may adopt one of the following styles:

karthiks

describe Address do
  describe "#validations" do
    it "must have a city" do
      a = Address.new
      a.should_not be_valid
      a.errors_on(:city).should_not be_nil
    end

    it "must have a state" do
      a = Address.new

karthiks

describe Address do
  describe "#validations" do
    it "must have a city" do
      a = Address.new
      a.should_not be_valid
      a.errors_on(:city).should_not be_nil
    end

    it "must have a state" do
      a = Address.new

karthiks

describe Address do
  describe "#validations" do
    before(:each) do
      @a = Address.new
      @a.should_not be_valid
    end

    it "must have a city" do
      @a.errors_on(:city).should_not be_nil
    end

karthiks

describe Address do
  describe "#validations" do
    before(:all) do
      @a = Address.new
      @a.should_not be_valid
    end

    %w(:city :state :country).each do |attr|
      it "must have a #{attr}" do 
        @a.errors_on(attr).should_not be_nil