require 'spec_helper'

describe Ci::PipelinePresenter do
  let(:project) { create(:project) }
  let(:pipeline) { create(:ci_pipeline, project: project) }

  subject(:presenter) do
    described_class.new(pipeline)
  end

  it 'inherits from Gitlab::View::Presenter::Delegated' do
    expect(described_class.superclass).to eq(Gitlab::View::Presenter::Delegated)
  end

  describe '#initialize' do
    it 'takes a pipeline and optional params' do
      expect { presenter }.not_to raise_error
    end

    it 'exposes pipeline' do
      expect(presenter.pipeline).to eq(pipeline)
    end

    it 'forwards missing methods to pipeline' do
      expect(presenter.ref).to eq(pipeline.ref)
    end
  end

  describe '#status_title' do
    context 'when pipeline is auto-canceled' do
      before do
        expect(pipeline).to receive(:auto_canceled?).and_return(true)
        expect(pipeline).to receive(:auto_canceled_by_id).and_return(1)
      end

      it 'shows that the pipeline is auto-canceled' do
        status_title = presenter.status_title

        expect(status_title).to include('auto-canceled')
        expect(status_title).to include('Pipeline #1')
      end
    end

    context 'when pipeline is not auto-canceled' do
      before do
        expect(pipeline).to receive(:auto_canceled?).and_return(false)
      end

      it 'does not have a status title' do
        expect(presenter.status_title).to be_nil
      end
    end
  end

  context '#failure_reason' do
    context 'when pipeline has failure reason' do
      it 'represents a failure reason sentence' do
        pipeline.failure_reason = :config_error

        expect(presenter.failure_reason)
          .to eq 'CI/CD YAML configuration error!'
      end
    end

    context 'when pipeline does not have failure reason' do
      it 'returns nil' do
        expect(presenter.failure_reason).to be_nil
      end
    end
  end
end
