exemplos curso ruby fatec so

ruby_basics.rb

####################################################
# sintaxe
####################################################
var = "Conteudo"
puts var
puts var.downcase

arr = ["ruby", "rails", "javascript"]
puts arr

if arr.length > 1
  puts "mais que uma tecnologia"
end

hash = {:languages => ["ruby", "python", "php"], :databases => ["couchdb", "mongodb", "mysql"]}
puts hash[:languages]
puts hash[:databases]

for i in 1..8 do
    puts i
end

def my_method(param1, param2)
  puts "esse eh o parametro 1 " + param1
  puts "esse eh o parametro 2 #{param2}"
end

my_method("lucas", "o cara!")

####################################################
# classe, objeto
####################################################

class Product
  attr_accessor :name
  attr_accessor :price
  
  def initialize(category)
    @category = category
  end
  
  def get_category
    @category
  end
end

product = Product.new("book")
product.name = "programando ruby"
product.price = 10.50

puts product.get_category
puts product.name
puts product.price

####################################################
# modulo
####################################################

module Store
  class Product
    attr_accessor :name
  end
end


product = Store::Product.new
product.name = "javascript - good parts"

puts product.name

####################################################
# herança
####################################################

class Publication
  attr_accessor :name
  attr_accessor :price
end

class Book < Publication
  attr_accessor :isbn
end

book = Book.new
book.name = "my book"
book.isbn = 123456

puts "#{book.isbn} - #{book.name}"

####################################################
# metodos de classe e instancia
####################################################

class Customer
  def initialize(name)
    @name = name
  end
  
  def name
    @name
  end
  
  def self.find_all
    "voce poderia consultar o banco de dados por exemplo"
  end
end

customer = Customer.new("matz")
puts customer.name

puts Customer.find_all

####################################################
# mixin
####################################################

module Authentication
  def login
    "loga o user"
  end
end

class User
  include Authentication
  
  attr_accessor :name
end

user = User.new
puts user.login

####################################################
# bloco
####################################################

languages = ["ruby", "python", "c", "java", "php", "c#"]

languages.each do |language|
  puts language
end

ruby_minitest.rb

require "minitest/autorun"
# require "turn"

def sum_two_numbers(num1, num2)
  num1 + num2
end

##############

class SumTest < MiniTest::Unit::TestCase
  def test_should_sum_two_numbers
    assert_equal 3, sum_two_numbers(1, 2)
  end
end

ruby_minitest_klass.rb

require "minitest/autorun"
# require "turn"

class Post
  def title=(title)
    @title = title
  end

  def title
    @title
  end
end

##############

class PostTest < MiniTest::Unit::TestCase
  def test_should_initialize_post
    post = Post.new
    assert post
  end

  def test_should_set_title
    post = Post.new
    assert post.title = "title"
  end

  def test_should_get_title
    post = Post.new
    post.title = "my title"
    assert_equal "my title", post.title
  end
end

todo.txt

- acrescentar exemplos de métodos com ! e ?

- unless

Ficaram bons os exemplos. Só faltou vc mostrar como sobreescrever um método. Acho isso muito legal no Ruby.

Põe uns exemplos de programas de uma linha em Ruby. É massa e anima o pessoal.

vdd aquele como fazer um random e pagar numeros pra jogar na mega kkkkkkk

hash adicionado =)