require 'spec_helper'

describe ChatNotificationService do
  describe 'Associations' do
    before do
      allow(subject).to receive(:activated?).and_return(true)
    end

    it { is_expected.to validate_presence_of :webhook }
  end

  describe '#can_test?' do
    context 'with empty repository' do
      it 'returns true' do
        subject.project = create(:project, :empty_repo)

        expect(subject.can_test?).to be true
      end
    end

    context 'with repository' do
      it 'returns true' do
        subject.project = create(:project, :repository)

        expect(subject.can_test?).to be true
      end
    end
  end

  describe '#execute' do
    let(:chat_service) { described_class.new }
    let(:user) { create(:user) }
    let(:project) { create(:project, :repository) }
    let(:webhook_url) { 'https://example.gitlab.com/' }

    before do
      allow(chat_service).to receive_messages(
        project: project,
        project_id: project.id,
        service_hook: true,
        webhook: webhook_url
      )

      WebMock.stub_request(:post, webhook_url)

      subject.active = true
    end

    context 'with a repository' do
      it 'returns true' do
        subject.project = project
        data = Gitlab::DataBuilder::Push.build_sample(project, user)

        expect(Slack::Notifier).to receive(:new)
         .with(webhook_url, {})
         .and_return(
           double(:slack_service).as_null_object
         )

        expect(chat_service.execute(data)).to be true
      end
    end

    context 'with an empty repository' do
      it 'returns true' do
        subject.project = create(:project, :empty_repo)
        data = Gitlab::DataBuilder::Push.build_sample(subject.project, user)

        expect(Slack::Notifier).to receive(:new)
         .with(webhook_url, {})
         .and_return(
           double(:slack_service).as_null_object
         )

        expect(chat_service.execute(data)).to be true
      end
    end
  end
end