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nixpkgs/nixos/tests/cagebreak.nix
Michael Weiss 81b2ce96c6
nixos/tests/cagebreak: Fix the test
Starting Cagebreak as X11 client doesn't work anymore as wlroots 0.13
started to require the DRI3 extension which isn't supported by LLVMpipe:
machine # [   13.508284] xsession[938]: 00:00:00.003 [ERROR] [backend/x11/backend.c:433] X11 does not support DRI3 extension
machine # [   13.666989] show_signal_msg: 62 callbacks suppressed
machine # [   13.666993] .cagebreak-wrap[938]: segfault at 8 ip 0000000000408574 sp 00007ffef76f2440 error 4 in .cagebreak-wrapped[407000+d000]
machine # [   13.670483] Code: f4 ff ff 4c 8b 84 24 70 01 00 00 8d 45 01 48 89 c5 49 8b 3c c0 48 85 ff 75 e4 4c 89 c7 e8 84 f4 ff ff 48 8b bc 24 18 01 00 00 <48> 8b 47 08 4c 8d 6f d8 48 8d 68 d8 48 39 df 75 0e eb 36 66 0f 1f
machine # [   13.518274] xsession[938]: 00:00:00.006 [ERROR] [../cagebreak.c:313] Unable to create the wlroots backend

The test broke after updating Cagebreak in #121652 (bf8679ba94).

XWayland still fails for unknown reasons:
Modifiers specified, but DRI is too old
libEGL warning: DRI2: failed to create dri screen
libEGL warning: NEEDS EXTENSION: falling back to kms_swrast
glamor: No eglstream capable devices found
glamor: 'wl_drm' not supported
Missing Wayland requirements for glamor GBM backend
Missing Wayland requirements for glamor EGLStream backend
Failed to initialize glamor, falling back to sw
00:00:03.534 [ERROR] [xwayland/server.c:252] waitpid for Xwayland fork
failed: No child processes
(EE) failed to write to XWayland fd: Broken pipe
/nix/store/kcm3x8695fgycf31grzl9fy5gggwpram-xterm-367/bin/xterm: Xt
error: Can't open display: :0

The fallback to software rendering is to be expected but it looks like
XWayland is crashing with "failed to write to XWayland fd: Broken pipe".
2021-05-17 18:41:12 +02:00

77 lines
2.2 KiB
Nix

import ./make-test-python.nix ({ pkgs, lib, ...} :
let
cagebreakConfigfile = pkgs.writeText "config" ''
workspaces 1
escape C-t
bind t exec env DISPLAY=:0 ${pkgs.xterm}/bin/xterm -cm -pc
'';
in
{
name = "cagebreak";
meta = with pkgs.lib.maintainers; {
maintainers = [ berbiche ];
};
machine = { config, ... }:
let
alice = config.users.users.alice;
in {
# Automatically login on tty1 as a normal user:
imports = [ ./common/user-account.nix ];
services.getty.autologinUser = "alice";
hardware.opengl.enable = true;
programs.xwayland.enable = true;
environment.systemPackages = [ pkgs.cagebreak pkgs.wallutils ];
systemd.services.setupCagebreakConfig = {
wantedBy = [ "multi-user.target" ];
before = [ "multi-user.target" ];
environment = {
HOME = alice.home;
};
unitConfig = {
type = "oneshot";
RemainAfterExit = true;
user = alice.name;
};
script = ''
cd $HOME
CONFFILE=$HOME/.config/cagebreak/config
mkdir -p $(dirname $CONFFILE)
cp ${cagebreakConfigfile} $CONFFILE
'';
};
virtualisation.memorySize = 1024;
# Need to switch to a different VGA card / GPU driver than the default one (std) so that Cagebreak can launch:
virtualisation.qemu.options = [ "-vga virtio" ];
};
enableOCR = true;
testScript = { nodes, ... }: let
user = nodes.machine.config.users.users.alice;
XDG_RUNTIME_DIR = "/run/user/${toString user.uid}";
in ''
start_all()
machine.wait_for_unit("multi-user.target")
machine.wait_until_tty_matches(1, "alice\@machine")
machine.send_chars("cagebreak\n")
machine.wait_for_file("${XDG_RUNTIME_DIR}/wayland-0")
with subtest("ensure wayland works with wayinfo from wallutils"):
print(machine.succeed("env XDG_RUNTIME_DIR=${XDG_RUNTIME_DIR} wayinfo"))
# TODO: Fix the XWayland test (log the cagebreak output to debug):
# with subtest("ensure xwayland works with xterm"):
# machine.send_key("ctrl-t")
# machine.send_key("t")
# machine.wait_until_succeeds("pgrep xterm")
# machine.wait_for_text("${user.name}@machine")
# machine.screenshot("screen")
# machine.send_key("ctrl-d")
'';
})