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#
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# this work for additional information regarding copyright
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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require_relative '../../../../spec_helper'

describe OpenSearch::DSL::Search::Queries::FunctionScore do
  describe '#to_hash' do
    let(:search) do
      described_class.new
    end

    it 'can be converted to a hash' do
      expect(search.to_hash).to eq(function_score: {})
    end
  end

  context 'when options methods are called' do
    let(:search) do
      described_class.new
    end

    describe '#query' do
      before do
        search.query('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:query]).to eq('bar')
      end
    end

    describe '#filter' do
      before do
        search.filter('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:filter]).to eq('bar')
      end
    end

    describe '#functions' do
      before do
        search.functions('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:functions]).to eq('bar')
      end

      context 'when the option is called as a setter' do
        before do
          search.functions = [{ foo: { abc: '123' } }]
        end

        it 'applies the option' do
          expect(search.to_hash).to eq(function_score: { functions: [{ foo: { abc: '123' } }] })
        end
      end
    end

    describe '#script_score' do
      before do
        search.script_score('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:script_score]).to eq('bar')
      end
    end

    describe '#boost' do
      before do
        search.boost('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:boost]).to eq('bar')
      end
    end

    describe '#max_boost' do
      before do
        search.max_boost('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:max_boost]).to eq('bar')
      end
    end

    describe '#score_mode' do
      before do
        search.score_mode('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:score_mode]).to eq('bar')
      end
    end

    describe '#boost_mode' do
      before do
        search.boost_mode('bar')
      end

      it 'applies the option' do
        expect(search.to_hash[:function_score][:boost_mode]).to eq('bar')
      end
    end
  end

  describe '#initialize' do
    context 'when a block is provided' do
      let(:search) do
        described_class.new do
          query do
            match foo: 'BLAM'
          end
          filter do
            term bar: 'slam'
          end
          functions << { foo: { abc: '123' } }
          functions << { foo: { xyz: '456' } }
        end
      end

      it 'executes the block' do
        expect(search.to_hash).to eq(function_score: {
                                       query: { match: { foo: 'BLAM' } },
                                       filter: { term: { bar: 'slam' } },
                                       functions: [{ foo: { abc: '123' } }, { foo: { xyz: '456' } }]
                                     })
      end
    end
  end
end
