require 'spec_helper'

describe PipelinesFinder do
  let(:user) { create(:user) }
  let(:project) { create(:project, :repository) }

  let!(:tag_pipeline)         { create(:ci_pipeline, project: project, user: user, ref: 'v1.0.0') }
  let!(:created_pipeline)     { create(:ci_pipeline, project: project, user: user, status: 'created') }
  let!(:pending_pipeline)     { create(:ci_pipeline, project: project, user: user, status: 'pending') }
  let!(:running_pipeline)     { create(:ci_pipeline, project: project, user: user, status: 'running') }
  let!(:success_pipeline)     { create(:ci_pipeline, project: project, user: user, status: 'success') }
  let!(:failed_pipeline)      { create(:ci_pipeline, project: project, user: user, status: 'failed') }
  let!(:canceled_pipeline)    { create(:ci_pipeline, project: project, user: user, status: 'canceled') }
  let!(:skipped_pipeline)     { create(:ci_pipeline, project: project, user: user, status: 'skipped') }
  let!(:yaml_errors_pipeline) { create(:ci_pipeline, project: project, user: user, yaml_errors: 'Syntax error') }

  subject { described_class.new(project, params).execute }

  describe "#execute" do
    context 'when nothing is passed' do
      let(:params) { {} }

      it 'selects all pipelines' do
        expect(subject.count).to be 9
        expect(subject).to include tag_pipeline
        expect(subject).to include created_pipeline
        expect(subject).to include pending_pipeline
        expect(subject).to include running_pipeline
        expect(subject).to include success_pipeline
        expect(subject).to include failed_pipeline
        expect(subject).to include canceled_pipeline
        expect(subject).to include skipped_pipeline
        expect(subject).to include yaml_errors_pipeline
      end

      it 'orders in descending order on ID' do
        expected_ids = [
          tag_pipeline.id, 
          created_pipeline.id, 
          pending_pipeline.id,
          running_pipeline.id,
          success_pipeline.id,
          failed_pipeline.id,
          canceled_pipeline.id,
          skipped_pipeline.id,
          yaml_errors_pipeline.id].sort.reverse
        expect(subject.map(&:id)).to eq expected_ids
      end
    end

    context 'when a scope is passed' do
      context 'when selecting running' do
        let(:params) { { scope: 'running' } }

        it 'has only running status' do
          expect(subject.map(&:status)).to include('running')
        end
      end

      context 'when selecting pending' do
        let(:params) { { scope: 'pending' } }

        it 'has only pending status' do
          expect(subject.map(&:status)).to include('pending')
        end
      end

      context 'when selecting finished' do
        let(:params) { { scope: 'finished' } }

        it 'has only finished status' do
          expect(subject.map(&:status)).to match_array %w(success canceled failed)
        end
      end

      context 'when selecting branches' do
        let(:params) { { scope: 'branches' } }

        it 'excludes tags' do
          expect(subject.count).to be 1
          expect(subject).not_to include tag_pipeline
          expect(subject.map(&:ref)).to include('master')
        end
      end

      context 'when selecting tags' do
        let(:params) { { scope: 'tags' } }

        it 'excludes branches' do
          expect(subject.count).to be 1
          expect(subject).to     include tag_pipeline
          expect(subject.map(&:ref)).not_to include('master')
        end
      end
    end

    context 'when a status is passed' do
      context 'when selecting running' do
        let(:params) { { scope: 'running' } }

        it 'has only running status' do
          expect(subject.map(&:status)).to include('running')
        end
      end

      context 'when selecting pending' do
        let(:params) { { scope: 'pending' } }

        it 'has only pending status' do
          expect(subject.map(&:status)).to include('pending')
        end
      end

      context 'when selecting success' do
        let(:params) { { scope: 'success' } }

        it 'has only success status' do
          expect(subject.map(&:status)).to include('success')
        end
      end

      context 'when selecting failed' do
        let(:params) { { scope: 'failed' } }

        it 'has only failed status' do
          expect(subject.map(&:status)).to include('failed')
        end
      end

      context 'when selecting canceled' do
        let(:params) { { scope: 'canceled' } }

        it 'has only canceled status' do
          expect(subject.map(&:status)).to include('canceled')
        end
      end

      context 'when selecting skipped' do
        let(:params) { { scope: 'skipped' } }

        it 'has only skipped status' do
          expect(subject.map(&:status)).to include('skipped')
        end
      end
    end 
    
    context 'when a ref is passed' do
      context 'when a ref exists' do
        let(:params) { { ref: 'master' } }

        it 'selects all pipelines which belong to the ref' do
          expect(subject.count).to be 8
          expect(subject).to include created_pipeline
          expect(subject).to include pending_pipeline
          expect(subject).to include running_pipeline
          expect(subject).to include success_pipeline
          expect(subject).to include failed_pipeline
          expect(subject).to include canceled_pipeline
          expect(subject).to include skipped_pipeline
          expect(subject).to include yaml_errors_pipeline
        end
      end

      context 'when a ref does not exist' do
        let(:params) { { ref: 'unique-ref' } }

        it 'selects nothing' do
          expect(subject).to be_empty
        end
      end
    end  

    context 'when a username is passed' do
      context 'when a username exists' do
        let(:params) { { username: user.name } }

        it 'selects all pipelines which belong to the username' do
          expect(subject).to include success_pipeline
          expect(subject).to include failed_pipeline
        end
      end

      context 'when a username does not exist' do
        let(:params) { { username: 'unique-username' } }

        it 'selects nothing' do
          expect(subject).to be_empty
        end
      end
    end  

    context 'when a yaml_errors is passed' do
      context 'when yaml_errors is true' do
        let(:params) { { yaml_errors: true } }

        it 'selects only pipelines has yaml_errors' do
          expect(subject).to include yaml_errors_pipeline
        end
      end

      context 'when yaml_errors is false' do
        let(:params) { { yaml_errors: false } }

        it 'selects only pipelines does not have yaml_errors' do
          expect(subject).to include created_pipeline
          expect(subject).to include pending_pipeline
          expect(subject).to include running_pipeline
          expect(subject).to include success_pipeline
          expect(subject).to include failed_pipeline
          expect(subject).to include canceled_pipeline
          expect(subject).to include skipped_pipeline
        end
      end
    end

    context 'when a order_by and sort are passed' do
      context 'when order by started_at asc' do
        let(:params) { { order_by: 'created_at', sort: 'asc' } }

        it 'sorts by started_at asc' do
          expected_created_at = [
            tag_pipeline.created_at, 
            created_pipeline.created_at, 
            pending_pipeline.created_at,
            running_pipeline.created_at,
            success_pipeline.created_at,
            failed_pipeline.created_at,
            canceled_pipeline.created_at,
            skipped_pipeline.created_at,
            yaml_errors_pipeline.created_at].sort
          expect(subject.map(&:created_at)).to eq expected_created_at
        end
      end
    end
  end
end