nested_structured_things.rb

require 'spec_helper'

RSpec.describe 'Dry::Validation.Schema' do
    let(:result) do
      schema.call(params)
    end

    context 'schema is array of nested attributes' do
      let(:schema) do
        Dry::Validation.Schema do
          key(:data).required do
            each do
              schema do
                key(:a).required(:int?)
                key(:b).required(:int?)
              end
            end
          end
        end
      end
      context 'inavlid data' do
        let(:params) do
          {data: []}
        end

        it 'invalid' do
          expect(result.success?).to be false
          puts result.messages
        end
      end

      context 'invalid data' do
        let(:params) do
          {data: [{a: 1, c: 2}]}
        end

        it 'invalid' do
          puts result.messages
          expect(result.success?).to be false # currently fails
        end
      end
    end
  end
end