nixpkgs/nixos/tests/tinywl.nix

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import ./make-test-python.nix ({ pkgs, lib, ... }:
{
name = "tinywl";
meta = {
maintainers = with lib.maintainers; [ primeos ];
};
machine = { config, ... }: {
# Automatically login on tty1 as a normal user:
imports = [ ./common/user-account.nix ];
services.getty.autologinUser = "alice";
security.polkit.enable = true;
environment = {
systemPackages = with pkgs; [ tinywl foot wayland-utils ];
};
# Automatically start TinyWL when logging in on tty1:
programs.bash.loginShellInit = ''
if [ "$(tty)" = "/dev/tty1" ]; then
set -e
test ! -e /tmp/tinywl.log # Only start tinywl once
readonly TEST_CMD="wayland-info |& tee /tmp/test-wayland.out && touch /tmp/test-wayland-exit-ok; read"
readonly FOOT_CMD="foot sh -c '$TEST_CMD'"
tinywl -s "$FOOT_CMD" |& tee /tmp/tinywl.log
touch /tmp/tinywl-exit-ok
fi
'';
# Switch to a different GPU driver (default: -vga std), otherwise TinyWL segfaults:
virtualisation.qemu.options = [ "-vga none -device virtio-gpu-pci" ];
};
testScript = { nodes, ... }: ''
start_all()
machine.wait_for_unit("multi-user.target")
# Wait for complete startup:
machine.wait_until_succeeds("pgrep tinywl")
machine.wait_for_file("/run/user/1000/wayland-0")
machine.wait_until_succeeds("pgrep foot")
machine.wait_for_file("/tmp/test-wayland-exit-ok")
# Make a screenshot and save the result:
machine.screenshot("tinywl_foot")
print(machine.succeed("cat /tmp/test-wayland.out"))
machine.copy_from_vm("/tmp/test-wayland.out")
# Terminate cleanly:
machine.send_key("alt-esc")
machine.wait_until_fails("pgrep foot")
machine.wait_until_fails("pgrep tinywl")
machine.wait_for_file("/tmp/tinywl-exit-ok")
machine.copy_from_vm("/tmp/tinywl.log")
'';
})