require 'spec_helper'

describe API::ProtectedTags do
  let(:user) { create(:user) }
  let!(:project) { create(:project, :repository) }
  let(:project2) { create(:project, path: 'project2', namespace: user.namespace) }
  let(:protected_name) { 'feature' }
  let(:tag_name) { protected_name }
  let!(:protected_tag) do
    create(:protected_tag, project: project, name: protected_name)
  end

  describe 'GET /projects/:id/protected_tags' do
    let(:route) { "/projects/#{project.id}/protected_tags" }

    shared_examples_for 'protected tags' do
      it 'returns the protected tags' do
        get api(route, user), per_page: 100

        expect(response).to have_gitlab_http_status(200)
        expect(response).to include_pagination_headers
        expect(json_response).to be_an Array

        protected_tag_names = json_response.map { |x| x['name'] }
        expected_tags_names = project.protected_tags.map { |x| x['name'] }
        expect(protected_tag_names).to match_array(expected_tags_names)
      end
    end

    context 'when authenticated as a maintainer' do
      before do
        project.add_maintainer(user)
      end

      it_behaves_like 'protected tags'
    end

    context 'when authenticated as a guest' do
      before do
        project.add_guest(user)
      end

      it_behaves_like '403 response' do
        let(:request) { get api(route, user) }
      end
    end
  end

  describe 'GET /projects/:id/protected_tags/:tag' do
    let(:route) { "/projects/#{project.id}/protected_tags/#{tag_name}" }

    shared_examples_for 'protected tag' do
      it 'returns the protected tag' do
        get api(route, user)

        expect(response).to have_gitlab_http_status(200)
        expect(json_response['name']).to eq(tag_name)
        expect(json_response['create_access_levels'][0]['access_level']).to eq(::Gitlab::Access::MAINTAINER)
      end

      context 'when protected tag does not exist' do
        let(:tag_name) { 'unknown' }

        it_behaves_like '404 response' do
          let(:request) { get api(route, user) }
          let(:message) { '404 Not found' }
        end
      end
    end

    context 'when authenticated as a maintainer' do
      before do
        project.add_maintainer(user)
      end

      it_behaves_like 'protected tag'

      context 'when protected tag contains a wildcard' do
        let(:protected_name) { 'feature*' }

        it_behaves_like 'protected tag'
      end
    end

    context 'when authenticated as a guest' do
      before do
        project.add_guest(user)
      end

      it_behaves_like '403 response' do
        let(:request) { get api(route, user) }
      end
    end
  end

  describe 'POST /projects/:id/protected_tags' do
    let(:tag_name) { 'new_tag' }

    context 'when authenticated as a maintainer' do
      before do
        project.add_maintainer(user)
      end

      it 'protects a single tag with maintainers can create tags' do
        post api("/projects/#{project.id}/protected_tags", user), name: tag_name

        expect(response).to have_gitlab_http_status(201)
        expect(json_response['name']).to eq(tag_name)
        expect(json_response['create_access_levels'][0]['access_level']).to eq(Gitlab::Access::MAINTAINER)
      end

      it 'protects a single tag with developers can create tags' do
        post api("/projects/#{project.id}/protected_tags", user),
            name: tag_name, create_access_level: 30

        expect(response).to have_gitlab_http_status(201)
        expect(json_response['name']).to eq(tag_name)
        expect(json_response['create_access_levels'][0]['access_level']).to eq(Gitlab::Access::DEVELOPER)
      end

      it 'protects a single tag with no one can create tags' do
        post api("/projects/#{project.id}/protected_tags", user),
            name: tag_name, create_access_level: 0

        expect(response).to have_gitlab_http_status(201)
        expect(json_response['name']).to eq(tag_name)
        expect(json_response['create_access_levels'][0]['access_level']).to eq(Gitlab::Access::NO_ACCESS)
      end

      it 'returns a 422 error if the same tag is protected twice' do
        post api("/projects/#{project.id}/protected_tags", user), name: protected_name

        expect(response).to have_gitlab_http_status(422)
        expect(json_response['message'][0]).to eq('Name has already been taken')
      end

      it 'returns 201 if the same tag is proteted on different projects' do
        post api("/projects/#{project.id}/protected_tags", user), name: protected_name
        post api("/projects/#{project2.id}/protected_tags", user), name: protected_name

        expect(response).to have_gitlab_http_status(201)
        expect(json_response['name']).to eq(protected_name)
      end

      context 'when tag has a wildcard in its name' do
        let(:tag_name) { 'feature/*' }

        it 'protects multiple tags with a wildcard in the name' do
          post api("/projects/#{project.id}/protected_tags", user), name: tag_name

          expect(response).to have_gitlab_http_status(201)
          expect(json_response['name']).to eq(tag_name)
          expect(json_response['create_access_levels'][0]['access_level']).to eq(Gitlab::Access::MAINTAINER)
        end
      end
    end

    context 'when authenticated as a guest' do
      before do
        project.add_guest(user)
      end

      it 'returns a 403 error if guest' do
        post api("/projects/#{project.id}/protected_tags/", user), name: tag_name

        expect(response).to have_gitlab_http_status(403)
      end
    end
  end

  describe 'DELETE /projects/:id/protected_tags/unprotect/:tag' do
    before do
      project.add_maintainer(user)
    end

    it 'unprotects a single tag' do
      delete api("/projects/#{project.id}/protected_tags/#{tag_name}", user)

      expect(response).to have_gitlab_http_status(204)
    end

    it_behaves_like '412 response' do
      let(:request) { api("/projects/#{project.id}/protected_tags/#{tag_name}", user) }
    end

    it "returns 404 if tag does not exist" do
      delete api("/projects/#{project.id}/protected_tags/barfoo", user)

      expect(response).to have_gitlab_http_status(404)
    end

    context 'when tag has a wildcard in its name' do
      let(:protected_name) { 'feature*' }

      it 'unprotects a wildcard tag' do
        delete api("/projects/#{project.id}/protected_tags/#{tag_name}", user)

        expect(response).to have_gitlab_http_status(204)
      end
    end
  end
end
