gistfile1.txt

require File.expand_path(File.dirname(__FILE__) + "/../spec_helper")
require "activeresource"
require "active_resource/http_mock"
require "ruby-debug"

class RemotePerson < ActiveResource::Base
  self.site = "http://localhost:3000"
  self.element_name = "person"
end

describe PeopleController do
  before do
    @david = Person.create(:name => "David", :age => 28)
    @david_xml = %(<?xml version="1.0" encoding="UTF-8"?><person><id type="integer">1</id><name>David</name><age type="integer">28</age></person>)
    @invalid_xml = %(<?xml version="1.0" encoding="UTF-8"?><person><id type="integer">1</id><name>David</name><age type="integer">28</age></person><person />)
  end

  describe "#show" do
    it "should respond with AR-consumable XML" do
      mock_ar_response_for(:get, "/people/1.xml") do
        get :show, :id => @david.to_param, :format => "xml"
      end

      remote_person = nil
      lambda { remote_person = RemotePerson.find(@david.to_param) }.should_not raise_error
      remote_person.name.should == "David"
      remote_person.age.should == 28
    end

    it "should fail with blatantly invalid XML" do
      mock_ar_response_for(:get, "/people/1.xml") do
        get :show, :id => @david.to_param, :format => "xml"
        response.body = @invalid_xml
      end

      lambda { remote_person = RemotePerson.find(@david.to_param) }.should raise_error
    end

    it "should fail if the mocked URL doesn't match the AR request URL" do
      mock_ar_response_for(:get, "/people/1.xml") do
        get :show, :id => @david.to_param, :format => "xml"
        response.body = @invalid_xml
      end

      lambda { RemotePerson.find(2) }.should raise_error
    end
  end

  describe "#create" do
    it "should succeed" do
      mock_ar_response_for(:post, "/people.xml") do
        post :create, :person => { :name => "Sorry", :age => 10 }, :format => "xml"
      end

      lambda { RemotePerson.create(:name => "Sorry", :age => 10) }.should_not raise_error
    end

    it "should fail if the Location header isn't set" do
      mock_ar_response_for(:post, "/people.xml") do
        post :create, :person => { :name => "Sorry", :age => 10 }, :format => "xml"
        response.headers.delete("Location")
      end

      lambda { RemotePerson.create(:name => "Sorry", :age => 10) }.should raise_error
    end
  end
end

def mock_ar_response_for(method, url, &block)
  yield

  ActiveResource::HttpMock.respond_to do |mock|
    mock.send(method, url, {}, response.body, response.code, response.headers)
  end
end