require 'rails_helper'

module MnoEnterprise
  RSpec.describe BaseResource, type: :model do
    describe 'Error Handling' do
      class Test < BaseResource; end

      context 'Connection Errors' do
        ((502..504).to_a<<407).each do |code|
          it "handles #{code} error" do
            api_stub_for(get: "/tests/1", code: code)
            expect { Test.find(1) }.to raise_error(Faraday::ConnectionFailed)
          end
        end
      end

      context 'Server Errors' do
        [401, 500].each do |code|
          it "handles #{code} error" do
            api_stub_for(get: "/tests/1", code: code)
            expect { Test.find(1) }.to raise_error(Faraday::Error::ClientError)
          end
        end
      end
    end

    describe '#cache_key' do
      context 'for existing record' do
        let(:user) { build(:user) }

        it 'uses updated_at' do
          expect(user.cache_key).to eq("mno_enterprise/users/#{user.id}-#{user.updated_at.utc.to_s(:nsec)}")
        end

        context 'when updated_at is nil' do
          before { user.updated_at = nil }
          it { expect(user.cache_key).to eq("mno_enterprise/users/#{user.id}") }
        end

        it 'uses the named timestamp' do
          expect(user.cache_key(:confirmed_at)).to eq("mno_enterprise/users/#{user.id}-#{user.confirmed_at.utc.to_s(:nsec)}")
        end
      end

      context 'for new record' do
        it { expect(User.new.cache_key).to eq('mno_enterprise/users/new') }
      end
    end

    # Not the best spec as this still pass without the attributes deletion
    describe '#clear_association_cache' do
      let(:user) { build(:user, :with_organizations) }
      let(:dashboard) { build(:impac_dashboard) }

      # Prime the cache and clear the stubs
      before do
        api_stub_for(get: "/users/#{user.id}/dashboards", response: from_api([dashboard]))
        user.dashboards.count
        user.organizations.count
        clear_api_stubs
      end

      context 'without clearing the cache' do
        # We can get the widget count without hitting the API
        it 'is cached' do
          # ivar
          expect(user.dashboards.count).to eq(1)
          # attribute
          expect(user.organizations.count).to eq(1)
        end
      end

      context 'when the cache is cleared' do
        before { user.clear_association_cache }

        # It tries to hit the API
        it 'clears the resource cache (ivar)' do
          expect{user.dashboards.count}.to raise_error(MnoeFaradayTestAdapter::Stubs::NotFound)
        end

        it 'clears the resource cache (attributes)' do
          expect{user.organizations.count}.to raise_error(MnoeFaradayTestAdapter::Stubs::NotFound)
        end
      end
    end
  end
end