rspec 練習 (http://d.hatena.ne.jp/t-wada/20100228/p1 より)

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rspec の練習
http://d.hatena.ne.jp/t-wada/20100228/p1 より

message_filter.rb

#! /usr/bin/ruby
# -*- coding:utf-8 -*-

class MessageFilter

  def initialize(word)
    @word = word
  end

  def detect?(text)
    text.include?(@word)
  end
end

message_filter_spec.rb

#! /usr/bin/ruby -Ku
# -*- coding:utf-8 -*-

require "rubygems"
require "rspec"
require "message_filter"

describe MessageFilter, "with argument 'foo'" do
  subject { MessageFilter.new("foo") }
  it { should be_detect("hello from foo") }
  it { should_not be_detect("hello, world") }
end