rails console から web api を気軽に叩けるようにする ref: http://qiita.com/items/ad52d32a26643174a8eb

.irbrc

class Object

  # login する
  def login
    @base_uri = "http://localhost:3000"
    @agent = Mechanize.new
    page = @agent.get("#{@base_uri}/users/sign_in")
    page.form["user[email]"] = "user@example.com"
    page.form["user[password]"] = "password"
    page = @agent.submit(page.form)
    @authenticity_token = page.form["authenticity_token"]
  end

  def get(url, params = {})
    page = @agent.get "#{@base_uri}#{url}", params
    pp JSON.parse(page.body) unless page.body.blank?
    nil
  end

  def post(url, params = {})
    params.merge!( :authenticity_token => @authenticity_token )
    page = @agent.post "#{@base_uri}#{url}", params
    pp JSON.parse(page.body) unless page.body.blank?
    nil
  end
end

file1.txt

login

file2.txt

get "/entries", { :user => "hoge" }

file3.txt

post "/entries", { :user => "hoge", :body => "ほげほげ" }