nixpkgs/nixos/tests/misc.nix

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# Miscellaneous small tests that don't warrant their own VM run.
import ./make-test.nix ({ pkgs, ...} : rec {
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name = "misc";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ eelco chaoflow ];
};
foo = pkgs.writeText "foo" "Hello World";
machine =
{ lib, ... }:
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with lib;
{ swapDevices = mkOverride 0
[ { device = "/root/swapfile"; size = 128; } ];
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environment.variables.EDITOR = mkOverride 0 "emacs";
services.nixosManual.enable = mkOverride 0 true;
systemd.tmpfiles.rules = [ "d /tmp 1777 root root 10d" ];
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fileSystems = mkVMOverride { "/tmp2" =
{ fsType = "tmpfs";
options = [ "mode=1777" "noauto" ];
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};
};
systemd.automounts = singleton
{ wantedBy = [ "multi-user.target" ];
where = "/tmp2";
};
users.users.sybil = { isNormalUser = true; group = "wheel"; };
security.sudo = { enable = true; wheelNeedsPassword = false; };
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boot.kernel.sysctl."vm.swappiness" = 1;
boot.kernelParams = [ "vsyscall=emulate" ];
system.extraDependencies = [ foo ];
};
testScript =
''
subtest "nix-db", sub {
my $json = $machine->succeed("nix path-info --json ${foo}");
$json =~ /"narHash":"sha256:0afw0d9j1hvwiz066z93jiddc33nxg6i6qyp26vnqyglpyfivlq5"/ or die "narHash not set";
$json =~ /"narSize":128/ or die "narSize not set";
};
subtest "nixos-version", sub {
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$machine->succeed("[ `nixos-version | wc -w` = 2 ]");
};
subtest "nixos-rebuild", sub {
$machine->succeed("nixos-rebuild --help | grep 'NixOS module' ");
};
# Sanity check for uid/gid assignment.
subtest "users-groups", sub {
$machine->succeed("[ `id -u messagebus` = 4 ]");
$machine->succeed("[ `id -g messagebus` = 4 ]");
$machine->succeed("[ `getent group users` = 'users:x:100:' ]");
};
# Regression test for GMP aborts on QEMU.
subtest "gmp", sub {
$machine->succeed("expr 1 + 2");
};
# Test that the swap file got created.
subtest "swapfile", sub {
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$machine->waitForUnit("root-swapfile.swap");
$machine->succeed("ls -l /root/swapfile | grep 134217728");
};
# Test whether kernel.poweroff_cmd is set.
subtest "poweroff_cmd", sub {
$machine->succeed("[ -x \"\$(cat /proc/sys/kernel/poweroff_cmd)\" ]")
};
# Test whether the blkio controller is properly enabled.
subtest "blkio-cgroup", sub {
$machine->succeed("[ -n \"\$(cat /sys/fs/cgroup/blkio/blkio.sectors)\" ]")
};
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# Test whether we have a reboot record in wtmp.
subtest "reboot-wtmp", sub {
$machine->succeed("last | grep reboot >&2");
};
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# Test whether we can override environment variables.
subtest "override-env-var", sub {
$machine->succeed('[ "$EDITOR" = emacs ]');
};
# Test whether hostname (and by extension nss_myhostname) works.
subtest "hostname", sub {
$machine->succeed('[ "`hostname`" = machine ]');
#$machine->succeed('[ "`hostname -s`" = machine ]');
};
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# Test whether systemd-udevd automatically loads modules for our hardware.
$machine->succeed("systemctl start systemd-udev-settle.service");
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subtest "udev-auto-load", sub {
$machine->waitForUnit('systemd-udev-settle.service');
$machine->succeed('lsmod | grep mousedev');
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};
# Test whether systemd-tmpfiles-clean works.
subtest "tmpfiles", sub {
$machine->succeed('touch /tmp/foo');
$machine->succeed('systemctl start systemd-tmpfiles-clean');
$machine->succeed('[ -e /tmp/foo ]');
$machine->succeed('date -s "@$(($(date +%s) + 1000000))"'); # move into the future
$machine->succeed('systemctl start systemd-tmpfiles-clean');
$machine->fail('[ -e /tmp/foo ]');
};
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# Test whether automounting works.
subtest "automount", sub {
$machine->fail("grep '/tmp2 tmpfs' /proc/mounts");
$machine->succeed("touch /tmp2/x");
$machine->succeed("grep '/tmp2 tmpfs' /proc/mounts");
};
subtest "shell-vars", sub {
$machine->succeed('[ -n "$NIX_PATH" ]');
};
subtest "nix-db", sub {
$machine->succeed("nix-store -qR /run/current-system | grep nixos-");
};
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# Test sysctl
subtest "sysctl", sub {
$machine->waitForUnit("systemd-sysctl.service");
$machine->succeed('[ `sysctl -ne vm.swappiness` = 1 ]');
$machine->execute('sysctl vm.swappiness=60');
$machine->succeed('[ `sysctl -ne vm.swappiness` = 60 ]');
};
# Test boot parameters
subtest "bootparam", sub {
$machine->succeed('grep -Fq vsyscall=emulate /proc/cmdline');
};
'';
})