Contents

require 'spec_helper'

describe ROM::Relation, '.dataset' do
  include_context 'container'

  it 'injects configured dataset when block was provided' do
    configuration.relation(:users) do
      dataset do
        insert(id: 2, name: 'Joe')
        insert(id: 1, name: 'Jane')

        restrict(name: 'Jane')
      end
    end

    expect(container.relation(:users).to_a).to eql([{ id: 1, name: 'Jane' }])
  end

  it 'yields relation class for setting custom dataset proc' do
    configuration.relation(:users) do
      schema do
        attribute :id, ROM::Memory::Types::Int.meta(primary_key: true)
        attribute :name, ROM::Memory::Types::String
      end

      dataset do |rel_klass|
        insert(id: 2, name: 'Joe')
        insert(id: 1, name: 'Jane')

        order(*rel_klass.schema.primary_key.map { |t| t.meta[:name] })
      end
    end

    expect(container.relation(:users).to_a).to eql([
      { id: 1, name: 'Jane' }, { id: 2, name: 'Joe' }
    ])
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
rom-2.0.2	spec/integration/relations/default_dataset_spec.rb
rom-2.0.1	spec/integration/relations/default_dataset_spec.rb
rom-2.0.0	spec/integration/relations/default_dataset_spec.rb