AssertObfuscation is a helper function for tests where we want to validate if obfuscation.Obfuscator works correctly.

AssertObfuscationExample uses AssertObfuscation to assert but loads the example automatically from testdata.

CommandExists returns true if command exists.

GetHostnameWithoutDomain returns hostname without domain.

IsPrivilegedUser returns true when the current user is root.

LoadTestdata loads a file from the testdata directory and returns its contents as string.

StringInSlice matches if a string is contained in a slice.