gistfile1.rb

describe "as_json method" do
  subject { artwork.to_json }
  # test the root object structure
  it { should have_json_type(String).at_path("artist_id") }
  it { should have_json_type(Array).at_path("available_sizes") }
  # test a nested object
  it { should have_json_type(Object).at_path("artist") }
  it { should have_json_type(String).at_path("artist/id") }
  it { should have_json_type(String).at_path("artist/slug") }
end