describe Appsignal::Hooks::SequelHook do
  if DependencyHelper.sequel_present?
    let(:db) do
      if Appsignal::System.jruby?
        Sequel.connect("jdbc:sqlite::memory:")
      else
        Sequel.sqlite
      end
    end

    before :context do
      start_agent
    end

    describe "#dependencies_present?" do
      subject { described_class.new.dependencies_present? }

      it { is_expected.to be_truthy }
    end

    context "with a transaction" do
      let(:transaction) { Appsignal::Transaction.current }
      before do
        Appsignal::Transaction.create("uuid", Appsignal::Transaction::HTTP_REQUEST, "test")
        db.logger = Logger.new($stdout) # To test #log_duration call
      end

      it "should instrument queries" do
        expect(transaction).to receive(:start_event).at_least(:once)
        expect(transaction).to receive(:finish_event)
          .at_least(:once)
          .with("sql.sequel", nil, kind_of(String), 1)

        expect(db).to receive(:log_duration).at_least(:once)

        db["SELECT 1"].all.to_a
      end
    end
  else
    describe "#dependencies_present?" do
      subject { described_class.new.dependencies_present? }

      it { is_expected.to be_falsy }
    end
  end
end