Effective Testing with RSpec 3

Reading Metadata

Take one more peek at the it block you wrote at the start of the chapter:

08-metadata/08/spec/metadata_spec.rb

it 'is used by RSpec for metadata' do |example|
  pp example.metadata
end

As this snippet shows, RSpec hands your block an example argument, from which you can read the metadata. RSpec passes the same kind of block argument in hooks marked as having :example scope:

08-metadata/09/around_hook.rb

RSpec.configure do |config|
  config.around(:example) do |example|
    pp example.metadata
  end
end

…and in let declarations:

08-metadata/10/spec/music_storage_spec.rb

RSpec.describe 'Music storage' do
  let(:s3_client) do |example|
    S3Client.for(example.metadata[:s3_adapter])
  end

  it