global

def verify_stylesheet(stylesheet)
  expect(stylesheet).to_not be_nil
  # Name
  expect(stylesheet.name).to be_a(String)
  expect(stylesheet.name).to_not be_empty
  # We do not want to force clients to always return non-empty files.
  # Stylesheet#initialize should crash when given a non-valid CSS (like nil,
  # for example)
  # expect(stylesheet.blocks).to_not be_empty
end