missed_default_spec.rb

# frozen_string_literal: true

RSpec.describe "missed default values" do
  subject do
    class Test::Foo
      extend Dry::Initializer

      param :foo, default:  proc { :FOO }
      param :bar, required: true
    end
  end

  it "raises SyntaxError" do
    expect { subject }.to raise_error SyntaxError, /bar/
  end
end