Recently, I was tasked with testing some scheduled exports to investigate a defect. Unit tests should have caught it, but something else was going on. I had to simulate a real execution in a container by faking its internal clock. This is where I utilized faketime . faketime is a tool that manipulates system time for a specific program without changing the system's actual time. It works by intercepting the system calls a program makes to get the current date and time, allowing you to ru...