nixpkgs/nixos/tests/cage.nix

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import ./make-test-python.nix ({ pkgs, ...} :
{
name = "cage";
meta = with pkgs.lib.maintainers; {
maintainers = [ matthewbauer ];
};
machine = { ... }:
{
imports = [ ./common/user-account.nix ];
services.cage = {
enable = true;
user = "alice";
# Disable color and bold and use a larger font to make OCR easier:
program = "${pkgs.xterm}/bin/xterm -cm -pc -fa Monospace -fs 24";
};
virtualisation.memorySize = 1024;
# Need to switch to a different VGA card / GPU driver because Cage segfaults with the default one (std):
# machine # [ 14.355893] .cage-wrapped[736]: segfault at 20 ip 00007f035fa0d8c7 sp 00007ffce9e4a2f0 error 4 in libwlroots.so.8[7f035fa07000+5a000]
# machine # [ 14.358108] Code: 4f a8 ff ff eb aa 0f 1f 44 00 00 c3 0f 1f 80 00 00 00 00 41 54 49 89 f4 55 31 ed 53 48 89 fb 48 8d 7f 18 48 8d 83 b8 00 00 00 <80> 7f 08 00 75 0d 48 83 3f 00 0f 85 91 00 00 00 48 89 fd 48 83 c7
virtualisation.qemu.options = [ "-vga virtio" ];
};
enableOCR = true;
testScript = { nodes, ... }: let
user = nodes.machine.config.users.users.alice;
in ''
with subtest("Wait for cage to boot up"):
start_all()
machine.wait_for_file("/run/user/${toString user.uid}/wayland-0.lock")
machine.wait_until_succeeds("pgrep xterm")
machine.wait_for_text("alice@machine")
machine.screenshot("screen")
'';
})