Sample spec for https://twitter.com/ota42y/status/663239398855745537

ordered_mock_spec.rb

require 'rspec'

class Person
  def hello(name)
    puts "Hello, #{name}"
  end
end

describe do
  example do
    person = Person.new
    expect(person).to receive(:hello).with('Alice').ordered
    expect(person).to receive(:hello).with('Bob').ordered

    person.hello 'Alice'
    person.hello 'Bob'
  end
end