import ./make-test-python.nix ({ pkgs, lib, ... }: with lib; { name = "iftop"; meta.maintainers = with pkgs.lib.maintainers; [ ma27 ]; nodes = { withIftop = { imports = [ ./common/user-account.nix ]; programs.iftop.enable = true; }; withoutIftop = { imports = [ ./common/user-account.nix ]; environment.systemPackages = [ pkgs.iftop ]; }; }; testScript = '' with subtest("machine with iftop enabled"): withIftop.wait_for_unit("default.target") # limit to eth1 (eth0 is the test driver's control interface) # and don't try name lookups withIftop.succeed("su -l alice -c 'iftop -t -s 1 -n -i eth1'") with subtest("machine without iftop"): withoutIftop.wait_for_unit("default.target") # check that iftop is there but user alice lacks capabilitie withoutIftop.succeed("iftop -t -s 1 -n -i eth1") withoutIftop.fail("su -l alice -c 'iftop -t -s 1 -n -i eth1'") ''; })