mocha(mocking lib for Ruby) sample

gistfile1.rb

require "rubygems"
require "test/unit"
require "mocha/test_unit"
require "pry"

class Person
  attr_accessor :name
  def initialize(name)
    self.name = name
  end
  def say
    return "Hello #{name}"
  end
  def like(obj)
    return "I like #{obj}"
  end
end

class PersonTest < Test::Unit::TestCase
  attr_accessor :me
  def setup
    @me =  Person.new("me")
  end
  def test_say_nomal
    me = Person.new("me")
    you = Person.new("you")
    assert_equal "Hello me", me.say
    assert_equal "Hello you", you.say
  end

  def test_mocking_for_instance_method
    assert @me
    @me.expects(:say).returns("Hello hoge")
    # binding.pry
    assert_equal "Hello hoge", @me.say
  end

  def test_mocking_with_param
    assert_equal "I like you", @me.like('you')
    @me.expects(:like).with('him').returns("I don't like him")
    assert_equal "I don't like him", @me.like('him')
  end

  def test_create_mock_object
    obj = mock('object')
    obj.expects(:hoge).with(:p1).returns('got p1')
    assert_equal 'got p1', obj.hoge(:p1)
    obj.expects(:hoge).with(:p2).returns('got p2')
    assert_equal 'got p2', obj.hoge(:p2)
  end
    
end