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nixpkgs/nixos/tests/iftop.nix

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import ./make-test.nix ({ pkgs, lib, ... }:
with lib;
{
name = "iftop";
meta.maintainers = with pkgs.stdenv.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 = ''
subtest "machine with iftop enabled", sub {
$withIftop->waitForUnit("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'");
};
subtest "machine without iftop", sub {
$withoutIftop->waitForUnit("default.target");
# check that iftop is there but user alice lacks capabilities
$withoutIftop->succeed("iftop -t -s 1 -n -i eth1");
$withoutIftop->fail("su -l alice -c 'iftop -t -s 1 -n -i eth1'");
};
'';
})