# frozen_string_literal: true

require 'spec_helper'

RSpec.describe ClusterablePresenter, feature_category: :deployment_management do
  include Gitlab::Routing.url_helpers

  describe '.fabricate' do
    let(:project) { create(:project) }

    subject { described_class.fabricate(project) }

    it 'creates an object from a descendant presenter' do
      expect(subject).to be_kind_of(ProjectClusterablePresenter)
    end
  end

  shared_examples 'appropriate member permissions' do
    context 'with a developer' do
      before do
        clusterable.add_developer(user)
      end

      it { is_expected.to be_falsy }
    end

    context 'with a maintainer' do
      before do
        clusterable.add_maintainer(user)
      end

      it { is_expected.to be_truthy }
    end
  end

  describe '#can_create_cluster?' do
    let(:user) { create(:user) }

    subject { described_class.new(clusterable).can_create_cluster? }

    before do
      allow(clusterable).to receive(:current_user).and_return(user)
    end

    context 'when clusterable is a group' do
      let(:clusterable) { create(:group) }

      it_behaves_like 'appropriate member permissions'
    end

    context 'when clusterable is a project' do
      let(:clusterable) { create(:project, :repository) }

      it_behaves_like 'appropriate member permissions'
    end
  end

  describe '#can_add_cluster?' do
    let(:user) { create(:user) }

    subject { described_class.new(clusterable).can_add_cluster? }

    before do
      clusterable.add_maintainer(user)

      allow(clusterable).to receive(:current_user).and_return(user)
    end

    context 'when clusterable is a group' do
      let(:clusterable) { create(:group) }

      it_behaves_like 'appropriate member permissions'
    end

    context 'when clusterable is a project' do
      let(:clusterable) { create(:project, :repository) }

      it_behaves_like 'appropriate member permissions'
    end
  end

  describe '#can_admin_cluster?' do
    let(:user) { create(:user) }

    subject { described_class.new(clusterable).can_admin_cluster? }

    before do
      clusterable.add_maintainer(user)

      allow(clusterable).to receive(:current_user).and_return(user)
    end

    context 'when clusterable is a group' do
      let(:clusterable) { create(:group) }

      it_behaves_like 'appropriate member permissions'
    end

    context 'when clusterable is a project' do
      let(:clusterable) { create(:project, :repository) }

      it_behaves_like 'appropriate member permissions'
    end
  end

  describe '#environments_cluster_path' do
    subject { described_class.new(clusterable).environments_cluster_path(cluster) }

    let(:clusterable) { create(:group) }
    let(:cluster) { create(:cluster_for_group, groups: [clusterable]) }

    it { is_expected.to be_nil }
  end

  describe '#create_cluster_migration_path' do
    subject { described_class.new(double).create_cluster_migration_path(double) }

    it 'raises NotImplementedError' do
      expect { subject }.to raise_error(NotImplementedError)
    end
  end

  describe '#update_cluster_migration_path' do
    subject { described_class.new(double).update_cluster_migration_path(double) }

    it 'raises NotImplementedError' do
      expect { subject }.to raise_error(NotImplementedError)
    end
  end

  describe '#index_path' do
    let(:clusterable) { create(:group) }

    context 'without options' do
      subject { described_class.new(clusterable).index_path }

      it { is_expected.to eq(group_clusters_path(clusterable)) }
    end

    context 'with options' do
      subject { described_class.new(clusterable).index_path(format: :json) }

      it { is_expected.to eq(group_clusters_path(clusterable, format: :json)) }
    end
  end
end
