roster_spec.rb

require 'roster'

describe "roster" do
  before(:each) do
    @r = Roster.new
    @r << "Gregory Brown"
  end
  
  it "should update cache the first time" do
    before_obj_id = @r.object_id
    @r.to_xml
    @r.object_id.should_not eql(before_obj_id)
  end
  
  it "should cache if not modified between 1st and 2nd to_xml" do
    @r.to_xml
    before_obj_id = @r.object_id
    @r.to_xml
    @r.object_id.should eql(before_obj_id)
  end
  
  it "should update cache if modified between 1st and 2nd to_xml" do
    @r.to_xml
    @r << "David Black"
    before_obj_id = @r.object_id
    @r.to_xml
    @r.object_id.should_not eql(before_obj_id)
  end
end