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# Miscellaneous small tests that don't warrant their own VM run.
import ./make-test-python.nix ({ lib, pkgs, ...} : let
foo = pkgs.writeText "foo" "Hello World";
in {
name = "misc";
meta.maintainers = with lib.maintainers; [ eelco ];
nodes.machine =
{ lib, ... }:
{ swapDevices = lib.mkOverride 0
[ { device = "/root/swapfile"; size = 128; } ];
environment.variables.EDITOR = lib.mkOverride 0 "emacs";
documentation.nixos.enable = lib.mkOverride 0 true;
systemd.tmpfiles.rules = [ "d /tmp 1777 root root 10d" ];
systemd.tmpfiles.settings."10-test"."/tmp/somefile".d = {};
virtualisation.fileSystems = { "/tmp2" =
{ fsType = "tmpfs";
options = [ "mode=1777" "noauto" ];
};
# Tests https://discourse.nixos.org/t/how-to-make-a-derivations-executables-have-the-s-permission/8555
"/user-mount/point" = {
device = "/user-mount/source";
fsType = "none";
options = [ "bind" "rw" "user" "noauto" ];
};
"/user-mount/denied-point" = {
device = "/user-mount/denied-source";
fsType = "none";
options = [ "bind" "rw" "noauto" ];
};
};
systemd.automounts = lib.singleton
{ wantedBy = [ "multi-user.target" ];
where = "/tmp2";
};
users.users.sybil = { isNormalUser = true; group = "wheel"; };
users.users.alice = { isNormalUser = true; };
security.sudo = { enable = true; wheelNeedsPassword = false; };
boot.kernel.sysctl."vm.swappiness" = 1;
boot.kernelParams = [ "vsyscall=emulate" ];
system.extraDependencies = [ foo ];
};
testScript =
''
with subtest("nixos-version"):
machine.succeed("[ `nixos-version | wc -w` = 2 ]")
with subtest("nixos-rebuild"):
assert "NixOS module" in machine.succeed("nixos-rebuild --help")
with subtest("Sanity check for uid/gid assignment"):
assert "4" == machine.succeed("id -u messagebus").strip()
assert "4" == machine.succeed("id -g messagebus").strip()
assert "users:x:100:" == machine.succeed("getent group users").strip()
with subtest("Regression test for GMP aborts on QEMU."):
machine.succeed("expr 1 + 2")
with subtest("the swap file got created"):
machine.wait_for_unit("root-swapfile.swap")
machine.succeed("ls -l /root/swapfile | grep 134217728")
with subtest("whether kernel.poweroff_cmd is set"):
machine.succeed('[ -x "$(cat /proc/sys/kernel/poweroff_cmd)" ]')
with subtest("whether the io cgroupv2 controller is properly enabled"):
machine.succeed("grep -q '\\bio\\b' /sys/fs/cgroup/cgroup.controllers")
with subtest("whether we have a reboot record in wtmp"):
machine.shutdown
machine.wait_for_unit("multi-user.target")
machine.succeed("last | grep reboot >&2")
with subtest("whether we can override environment variables"):
machine.succeed('[ "$EDITOR" = emacs ]')
with subtest("whether hostname (and by extension nss_myhostname) works"):
assert "machine" == machine.succeed("hostname").strip()
assert "machine" == machine.succeed("hostname -s").strip()
with subtest("whether systemd-udevd automatically loads modules for our hardware"):
machine.succeed("systemctl start systemd-udev-settle.service")
machine.wait_for_unit("systemd-udev-settle.service")
assert "mousedev" in machine.succeed("lsmod")
with subtest("whether systemd-tmpfiles-clean works"):
machine.succeed(
"touch /tmp/foo", "systemctl start systemd-tmpfiles-clean", "[ -e /tmp/foo ]"
)
# move into the future
machine.succeed(
'date -s "@$(($(date +%s) + 1000000))"',
"systemctl start systemd-tmpfiles-clean",
)
machine.fail("[ -e /tmp/foo ]")
with subtest("whether systemd-tmpfiles settings works"):
machine.succeed("[ -e /tmp/somefile ]")
with subtest("whether automounting works"):
machine.fail("grep '/tmp2 tmpfs' /proc/mounts")
machine.succeed("touch /tmp2/x")
machine.succeed("grep '/tmp2 tmpfs' /proc/mounts")
with subtest(
"Whether mounting by a user is possible with the `user` option in fstab (#95444)"
):
machine.succeed("mkdir -p /user-mount/source")
machine.succeed("touch /user-mount/source/file")
machine.succeed("chmod -R a+Xr /user-mount/source")
machine.succeed("mkdir /user-mount/point")
machine.succeed("chown alice:users /user-mount/point")
machine.succeed("su - alice -c 'mount /user-mount/point'")
machine.succeed("su - alice -c 'ls /user-mount/point/file'")
with subtest(
"Whether mounting by a user is denied without the `user` option in fstab"
):
machine.succeed("mkdir -p /user-mount/denied-source")
machine.succeed("touch /user-mount/denied-source/file")
machine.succeed("chmod -R a+Xr /user-mount/denied-source")
machine.succeed("mkdir /user-mount/denied-point")
machine.succeed("chown alice:users /user-mount/denied-point")
machine.fail("su - alice -c 'mount /user-mount/denied-point'")
with subtest("shell-vars"):
machine.succeed('[ -n "$NIX_PATH" ]')
with subtest("Test sysctl"):
machine.wait_for_unit("systemd-sysctl.service")
assert "1" == machine.succeed("sysctl -ne vm.swappiness").strip()
machine.execute("sysctl vm.swappiness=60")
assert "60" == machine.succeed("sysctl -ne vm.swappiness").strip()
with subtest("Test boot parameters"):
assert "vsyscall=emulate" in machine.succeed("cat /proc/cmdline")
'';
})
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