dirty_test.rb

describe "create_snapshot" do
  # We can assume that create_snapshot on the ec2 gem works
  before(:each) do
    @tr.ec2.stub!(:create_snapshot).and_return nil
  end
  it "should create a snapshot of the current EBS volume" do
    #@tr.ec2.stub!(:ebs_volume_id).and_return { "vol-123" }
    @tr.ec2.stub!(:create_snapshot).and_return {"snapshotId" => "snap-123"}
    @tr.ebs_volume_id = "vol-123"
    @tr.create_snapshot.should == {"snapshotId" => "snap-123"}
  end
  it "should not create a snapshot if there is no EBS volume" do
    @tr.create_snapshot.should == nil
  end
end