octosteve

defmodule ProcessesInElixirTest do
  use ExUnit.Case
  import ExUnit.CaptureIO

  test "handles {:print_success} properly" do
    pid = spawn(ProcessesInElixir, :loop, [])
    assert capture_io(fn ->
      send pid, {:print_success}
    end)
    buffer == "Feet"

octosteve

defmodule ProcessesInElixirTest do
  use ExUnit.Case
  import ExUnit.CaptureIO

  test "handles {:print_success} properly" do
    pid = spawn(ProcessesInElixir, :loop, [])
    assert capture_io(fn ->
      send pid, {:print_success}
    end) == "Success!"
  end

octosteve

defmodule GenIncrement do
  use GenServer
  # Public
  def start_link do
    # GenServer.start_link(GenIncrement, [], name: __MODULE__)
    {:ok, pid} = GenServer.start_link(GenIncrement, [])
    Process.register(pid, __MODULE__)
    {:ok, pid}
  end

octosteve

# call run on a object that has
  # a #call method
  # takes one argument
  # and returns an array with [status_code, headers, body]

  require 'pry'
class App
  def call(env)
    binding.pry
    request = Rack::Request.new(env)

octosteve

curl https://gist.githubusercontent.com/StevenNunez/1df2da72168f9c33abe3/raw/81abd03d0acfc696fb3a358f964d7bc1201175cd/seed.sql > seed.sql
sqlite3 chinook.db -init seed.sql -cmd .tables

octosteve

curl https://gist.githubusercontent.com/StevenNunez/1df2da72168f9c33abe3/raw/81abd03d0acfc696fb3a358f964d7bc1201175cd/seed.sql > seed.sql
sqlite3 test.db -init seed.sql -cmd .tables

octosteve

class Person
  attr_reader :name     # => nil
  def initialize(name)
    @name = name        # => "Bob"
  end

  def to_s
    "Hi, My name is chicka chicka #{name}"  # => "Hi, My name is chicka chicka Bob"
  end
end

octosteve

class Person
  attr_reader :name     # => nil
  puts self             # => nil
  def initialize(name)
    @name = name        # => "Bob"
  end

  # def self.new
  #   instance = self.allocate
  #   instance.initialize

octosteve

1.odd?                                  # => true
1 + 1                                   # => 2
1.+(1)                                  # => 2
1.send(:odd?)                           # => true
names = ["Steven", "Sophie", "Antoin"]  # => ["Steven", "Sophie", "Antoin"]
names[0]                                # => "Steven"
names.[](0)                             # => "Steven"
steven = {name: "Steven"}               # => {:name=>"Steven"}
steven[:name]                           # => "Steven"
steven.[](:name)                        # => "Steven"

octosteve

require 'rest-client'
require 'json'

result = RestClient.get("http://reddit.com/.json")
result_hash = JSON.parse(result)
puts result_hash
puts "The return value from Restclient is a #{result.class}"
puts "The return value from JSON.parse is #{result_hash.class}"