require 'spec_helper'

describe Gitlab::Ci::Pipeline::Chain::Validate::Config do
  set(:project) { create(:project) }
  set(:user) { create(:user) }

  let(:command) do
    double('command', project: project,
                      current_user: user,
                      save_incompleted: true)
  end

  let!(:step) { described_class.new(pipeline, command) }

  before do
    step.perform!
  end

  context 'when pipeline has no YAML configuration' do
    let(:pipeline) do
      build_stubbed(:ci_pipeline, project: project)
    end

    it 'appends errors about missing configuration' do
      expect(pipeline.errors.to_a)
        .to include 'Missing .gitlab-ci.yml file'
    end

    it 'breaks the chain' do
      expect(step.break?).to be true
    end
  end

  context 'when YAML configuration contains errors' do
    let(:pipeline) do
      build(:ci_pipeline, project: project, config: 'invalid YAML')
    end

    it 'appends errors about YAML errors' do
      expect(pipeline.errors.to_a)
        .to include 'Invalid configuration format'
    end

    it 'breaks the chain' do
      expect(step.break?).to be true
    end

    context 'when saving incomplete pipeline is allowed' do
      let(:command) do
        double('command', project: project,
                          current_user: user,
                          save_incompleted: true)
      end

      it 'fails the pipeline' do
        expect(pipeline.reload).to be_failed
      end
    end

    context 'when saving incomplete pipeline is not allowed' do
      let(:command) do
        double('command', project: project,
                          current_user: user,
                          save_incompleted: false)
      end

      it 'does not drop pipeline' do
        expect(pipeline).not_to be_failed
        expect(pipeline).not_to be_persisted
      end
    end
  end

  context 'when pipeline has no stages / jobs' do
    let(:config) do
      { rspec: {
          script: 'ls',
          only: ['something']
        }
      }
    end

    let(:pipeline) do
      build(:ci_pipeline, project: project, config: config)
    end

    it 'appends an error about missing stages' do
      expect(pipeline.errors.to_a)
        .to include 'No stages / jobs for this pipeline.'
    end

    it 'breaks the chain' do
      expect(step.break?).to be true
    end
  end

  context 'when pipeline contains configuration validation errors' do
    let(:config) { { rspec: { } } }

    let(:pipeline) do
      build(:ci_pipeline, project: project, config: config)
    end

    it 'appends configuration validation errors to pipeline errors' do
      expect(pipeline.errors.to_a)
        .to include "jobs:rspec config can't be blank"
    end

    it 'breaks the chain' do
      expect(step.break?).to be true
    end
  end

  context 'when pipeline is correct and complete' do
    let(:pipeline) do
      build(:ci_pipeline_with_one_job, project: project)
    end

    it 'does not invalidate the pipeline' do
      expect(pipeline).to be_valid
    end

    it 'does not break the chain' do
      expect(step.break?).to be false
    end
  end
end

Add specs for pipeline builder that validates config
Add specs for pipeline builder that validates config
