1st I have a Fluke Microscanner to test the integrity of the cable. It also has TDR built in to verify distance on cable. A simple cable mapper would work for this as well but you get more information about the condition of the cable, the more expensive the tester.
Ideally I would like to have a Fluke IQ certifier to proper verify cable integrity & performance. But we all have budgets.

2nd I have the Ideal SecureTEST to verify the camera works and functionality.
[Link: amazon.com]