require 'spec_helper'

require 'origin'

require_relative '../../../../lib/locomotive/steam/adapters/mongodb/origin.rb'
require_relative '../../../../lib/locomotive/steam/adapters/mongodb/query.rb'

describe Locomotive::Steam::Adapters::MongoDB::Query do

  let(:site)  { instance_double('Site', _id: 42) }
  let(:scope) { instance_double('Scope', locale: :en, site: site) }
  let(:localized_attributes) { [:title] }
  let(:block) { nil }

  let(:query) { Locomotive::Steam::Adapters::MongoDB::Query.new(scope, localized_attributes, &block) }

  describe '#where' do

    let(:criterion) { { fullpath: 'index' } }

    context 'simple call' do

      before { query.where(criterion) }

      it { expect(query.criteria).to eq({ site_id: 42, fullpath: 'index' }) }

    end

    context 'chained' do

      let(:another_criterion) { { published: true } }

      before { query.where(criterion).where(another_criterion) }

      it { expect(query.criteria).to eq({ site_id: 42, fullpath: 'index', published: true }) }

    end

  end

  describe '#order_by' do

    subject { query.order_by(order_by).sort }

    context 'passing a hash' do

      let(:order_by) { { title: :asc, published: :desc } }

      it { is_expected.to eq [{title: :asc, published: :desc}] }

    end

    context 'passing an array of strings' do

      let(:order_by) { ['title.asc', 'published'] }

      it { is_expected.to eq [[['title', 'asc'], ['published']]] }

    end

    context 'passing a string' do

      let(:order_by) { 'title.asc, published' }

      it { is_expected.to eq [[['title', 'asc'], ['published']]] }

    end

  end

  describe 'chaining where and order_by' do

    before { query.where(published: true).order_by(title: :asc) }

    it { expect(query.criteria).to eq({ site_id: 42, published: true }) }
    it { expect(query.sort).to eq([{ title: :asc }]) }

  end

  describe '#to_origin' do

    before { query.where(:title.in => %w(index)).only(:title, :published).order_by(title: :asc) }

    subject { query.to_origin }

    it { expect(subject.selector).to eq({ 'site_id' => 42, 'title.en' => { '$in' => %w(index) } }) }
    it { expect(subject.options[:sort]).to eq({ 'title.en' => 1 }) }
    it { expect(subject.options[:fields]).to eq({ 'title.en' => 1, 'published' => 1}) }

  end

end