phosphene

Testing Principles:

Proving and Documenting Behaviour and Effectiveness

First Cut with the Razor:

A. Integration/Acceptance testing

  1. Acceptance testing with Capybara

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Occam's Razor or Lex Parsimoniae or the Law of Parsimony

"It is vain to do with more what can be done with fewer"

It is an heuristic for design; it is not a golden hammer. 

applying the razor to SOLID:

We get: Cohesive responsibility, cohesion, object coherence, or single responsibility.

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1.  Your classes should be no longer than (200) 100 lines of code. 
2.  Your methods should be no longer than (10) five lines of code. 
3.  You should pass no more than four parameters into a method. 
4.  Your controller should only instantiate one object to do whatever it is that needs to be done.
5.  Your view can only know about one instance variable.
6.  Err on the side of many small objects
7.  Thin Models/Thin Controllers
8.  Drive design through tests
9.  See "Lex Parsimoniae" for advice

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# http://blog.firsthand.ca/2011/12/example-using-rspec-double-mock-and.html

describe Transfer do
  context "transfer with amount of 10" do
    let(:source_account)      { double :source_account, :decrease => nil }
    let(:destination_account) { double :destination_account, :increase => nil }

    def transfer_amount(amount)
      Transfer.new(source_account, destination_account, amount).call
    end

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File.open('test.txt', 'r') do |f|
  count = 0
  f.each_line do |line|
    if line =~ /^(\d+)/
      count = count + $1.to_i
    end
  end
  puts count
end

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require 'spec_helper'

module UserSpecHelper
  def valid_user_attributes
    { 'email' => '[email protected]',
      'username' => 'faustrolle',
      'password' => 'abcdefg',
      'zip_code' => '97221' }
  end
end

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class User < ActiveResource::Base
  #generic user class for test
  #include ActiveModel::Validations
  
  self.site = "http://localhost:9292/"
  self.format = :json


end

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opening connection to localhost...
opened
opening connection to localhost...
opened
<- "POST /users.json HTTP/1.1\r\nContent-Type: application/json\r\nAccept: */*\r\nUser-Agent: Ruby\r\nConnection: close\r\nHost: localhost:9292\r\nContent-Length: 209\r\n\r\n"
<- "{\"user\":{\"email\":\"[email protected]\",\"encrypted_password\":\"$2a$10$fsLeIBMVmx8nfmKs3mp3R.HbUgTmivddTUuO.0GzQkONMWV.ylaAe\",\"password_salt\":\"$2a$10$fsLeIBMVmx8nfmKs3mp3R.\",\"username\":\"faustrolle\",\"zip_code\":\"97221\"}}"
-> "HTTP/1.1 500 Internal Server Error \r\n"
-> "Content-Length: 321\r\n"
-> "Content-Type: text/html\r\n"
-> "Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-01-18)\r\n"

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[root@phosphene /]# du -ch | ack "^[\d\.]+?G|^\d{3,4}M"