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path: root/spec/presenters/ci/pipeline_presenter_spec.rb
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require 'spec_helper'

describe Ci::PipelinePresenter do
  include Gitlab::Routing

  let(:user) { create(:user) }
  let(:project) { create(:project) }
  let(:pipeline) { create(:ci_pipeline, project: project) }

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

  before do
    project.add_developer(user)
    allow(presenter).to receive(:current_user) { user }
  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

  describe '#ref_text' do
    subject { presenter.ref_text }

    context 'when pipeline is detached merge request pipeline' do
      let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
      let(:pipeline) { merge_request.all_pipelines.last }

      it 'returns a correct ref text' do
        is_expected.to eq("for <a class=\"mr-iid\" href=\"#{project_merge_request_path(merge_request.project, merge_request)}\">#{merge_request.to_reference}</a> " \
                          "with <a class=\"ref-name\" href=\"#{project_commits_path(merge_request.source_project, merge_request.source_branch)}\">#{merge_request.source_branch}</a>")
      end
    end

    context 'when pipeline is merge request pipeline' do
      let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
      let(:pipeline) { merge_request.all_pipelines.last }

      it 'returns a correct ref text' do
        is_expected.to eq("for <a class=\"mr-iid\" href=\"#{project_merge_request_path(merge_request.project, merge_request)}\">#{merge_request.to_reference}</a> " \
                          "with <a class=\"ref-name\" href=\"#{project_commits_path(merge_request.source_project, merge_request.source_branch)}\">#{merge_request.source_branch}</a> " \
                          "into <a class=\"ref-name\" href=\"#{project_commits_path(merge_request.target_project, merge_request.target_branch)}\">#{merge_request.target_branch}</a>")
      end
    end

    context 'when pipeline is branch pipeline' do
      let(:pipeline) { create(:ci_pipeline, project: project) }

      context 'when ref exists in the repository' do
        before do
          allow(pipeline).to receive(:ref_exists?) { true }
        end

        it 'returns a correct ref text' do
          is_expected.to eq("for <a class=\"ref-name\" href=\"#{project_commits_path(pipeline.project, pipeline.ref)}\">#{pipeline.ref}</a>")
        end

        context 'when ref contains malicious script' do
          let(:pipeline) { create(:ci_pipeline, ref: "<script>alter('1')</script>", project: project) }

          it 'does not include the malicious script' do
            is_expected.not_to include("<script>alter('1')</script>")
          end
        end
      end

      context 'when ref exists in the repository' do
        before do
          allow(pipeline).to receive(:ref_exists?) { false }
        end

        it 'returns a correct ref text' do
          is_expected.to eq("for <span class=\"ref-name\">#{pipeline.ref}</span>")
        end

        context 'when ref contains malicious script' do
          let(:pipeline) { create(:ci_pipeline, ref: "<script>alter('1')</script>", project: project) }

          it 'does not include the malicious script' do
            is_expected.not_to include("<script>alter('1')</script>")
          end
        end
      end
    end
  end

  describe '#link_to_merge_request' do
    subject { presenter.link_to_merge_request }

    let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
    let(:pipeline) { merge_request.all_pipelines.last }

    it 'returns a correct link' do
      is_expected
        .to include(project_merge_request_path(merge_request.project, merge_request))
    end

    context 'when pipeline is branch pipeline' do
      let(:pipeline) { create(:ci_pipeline, project: project) }

      it 'returns nothing' do
        is_expected.to be_nil
      end
    end
  end

  describe '#link_to_merge_request_source_branch' do
    subject { presenter.link_to_merge_request_source_branch }

    let(:merge_request) { create(:merge_request, :with_detached_merge_request_pipeline) }
    let(:pipeline) { merge_request.all_pipelines.last }

    it 'returns a correct link' do
      is_expected
        .to include(project_commits_path(merge_request.source_project,
                                             merge_request.source_branch))
    end

    context 'when pipeline is branch pipeline' do
      let(:pipeline) { create(:ci_pipeline, project: project) }

      it 'returns nothing' do
        is_expected.to be_nil
      end
    end
  end

  describe '#link_to_merge_request_target_branch' do
    subject { presenter.link_to_merge_request_target_branch }

    let(:merge_request) { create(:merge_request, :with_merge_request_pipeline) }
    let(:pipeline) { merge_request.all_pipelines.last }

    it 'returns a correct link' do
      is_expected
        .to include(project_commits_path(merge_request.target_project, merge_request.target_branch))
    end

    context 'when pipeline is branch pipeline' do
      let(:pipeline) { create(:ci_pipeline, project: project) }

      it 'returns nothing' do
        is_expected.to be_nil
      end
    end
  end
end