describe Account do

  describe "logging account activity" do

    context "when an invalid login attempt is made" do

      it "logs the failed attempt" do
        logger = double('Logger')
        logger.should_receive(:log).with('Invalid login')

        account = Account.new
        account.logger = logger

        account.username = 'invalid'
        account.password = 'invalid'

        account.login
      end

    end

    context "when its logger encounters a problem" do

      it "handles any errors raised" do
        logger = double('Logger')
        logger.stub(:log).and_raise "Logging unavailable"

        account = Account.new
        account.logger = logger

        account.username = 'irrelevant'
        account.password = 'irrelevant'

        expect { account.login }.to_not raise_error
      end

    end

  end

end