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CodeSchool Rails Testing for Zombies Notes

• http://rtfz.codeschool.com

Test::Unit Assertions

assert_respond_to [object], :[method] #does object method exist? ex. assert_respond_to "string", :lowercase
assert_equal [string, [method] #is first string equal to results of second method?
assert_match [regex], [method] #is first regex equal to second string?
assert_nil
assert_not_nil [method] #is method nil?  

assert_raise(RuntimeError), [method]

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Modules

Modules in ruby are similar to classes, except:

• A module can have no instances.
• A module can have no subclasses.
• A module is defined by module ... end.

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Inserting Main Menu and Secondary Menus in templates on Drupal 7

References

• http://stackoverflow.com/questions/5189307/drupal-7-modifying-menu-html-output

Setup

• Go to the Structure > Menu > Settings
• Choose Main Menu as the Source for the Secondary links

Scripts

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Find the path (or alias) of a node from its Node ID:

drupal_lookup_path('alias',"node/".$node->nid)

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// Insert into your theme > template.php file

<?php

function hook_theme($existing, $type, $theme, $path){
  return array(
    'user_login' => array(
      'render element' => 'form',
      'template' => 'user-login', 
    ),

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=begin
This is a line of code or comments
This is another line of code or comments
=end

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Where should module files go?

When should modules be used vs classes?

What's the difference between modules and mixins?

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#Notes on Installing PostgreSQL from RailsCasts

##References

• http://railscasts.com/episodes/342-migrating-to-postgresql
• http://jeffammons.net/2011/09/fixing-postgres-on-mac-10-7-tiger-for-django/

##Steps command to check version

psql --version

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check the ruby version:

ruby -v

install the newest ruby version:

rvm install 1.9.3

instruct rvm to use the latest ruby:

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class Movie

  attr_reader :title, :rank
  attr_writer :title, :rank
  # or attr_accessor :title, :rank
  
  def initialize(title, rank = 0)
    @title = title
    @rank = rank
  end