Testing os/exec.Command · npf.ioTesting os/exec.Command Jun 26, 2015 In Juju, we often have code that needs to run external executables. Testing this code is a nightmare… because you really don’t want to run those files on the dev’s machine or the CI machine. But mocking out os/exec is really hard. There’s no interface to replace, there’s no function to mock out and replace. In the end, your code calls the Run method on the exec
