require "spec_helper"

class MockRepo
  def [](key)#should_receive :[] does not work so well...
    singular key
  end
end

describe 'FastGettext::TranslationRepository::Chain' do
  describe "empty chain" do
    before do
      @rep = FastGettext::TranslationRepository.build('chain', :chain=>[], :type=>:chain)
    end

    it "has no locales" do
      @rep.available_locales.should == []
    end

    it "cannot translate" do
      @rep['car'].should == nil
    end

    it "cannot pluralize" do
      @rep.plural('Axis','Axis').should == []
    end

    it "has no pluralisation rule" do
      @rep.pluralisation_rule.should == nil
    end

    it "returns true on reload" do
      @rep.reload.should be_true
    end
  end

  describe "filled chain" do
    before do
      @one = MockRepo.new
      @one.stub(:singular).with('xx').and_return 'one'
      @two = MockRepo.new
      @two.stub(:singular).with('xx').and_return 'two'
      @rep = FastGettext::TranslationRepository.build('chain', :chain=>[@one, @two], :type=>:chain)
    end

    describe :singular do
      it "uses the first repo in the chain if it responds" do
        @rep['xx'].should == 'one'
      end

      it "uses the second repo in the chain if the first does not respond" do
        @one.should_receive(:singular).and_return nil
        @rep['xx'].should == 'two'
      end
    end

    describe :plural do
      it "uses the first repo in the chain if it responds" do
        @one.should_receive(:plural).with('a','b').and_return ['A','B']
        @rep.plural('a','b').should == ['A','B']
      end

      it "uses the second repo in the chain if the first does not respond" do
        @one.should_receive(:plural).with('a','b').and_return []
        @two.should_receive(:plural).with('a','b').and_return ['A','B']
        @rep.plural('a','b').should == ['A','B']
      end
    end

    describe :available_locales do
      it "should be the sum of all added repositories" do
        @one.should_receive(:available_locales).and_return ['de']
        @two.should_receive(:available_locales).and_return ['de','en']
        @rep.available_locales.should == ['de','en']
      end
    end

    describe :pluralisation_rule do
      it "chooses the first that exists" do
        @one.should_receive(:pluralisation_rule).and_return nil
        @two.should_receive(:pluralisation_rule).and_return 'x'
        @rep.pluralisation_rule.should == 'x'
      end
    end

    describe :reload do
      it "reloads all repositories" do
        @one.should_receive(:reload)
        @two.should_receive(:reload)
        @rep.reload
      end

      it "returns true" do
        @rep.chain.each { |c| c.stub(:reload) }
        @rep.reload.should be_true
      end
    end
  end
end