nixpkgs/nixos/tests/mpd.nix
2020-04-10 17:54:53 +01:00

133 lines
3.9 KiB
Nix

import ./make-test-python.nix ({ pkgs, lib, ... }:
let
track = pkgs.fetchurl {
# Sourced from http://freemusicarchive.org/music/Blue_Wave_Theory/Surf_Music_Month_Challenge/Skyhawk_Beach_fade_in
# License: http://creativecommons.org/licenses/by-sa/4.0/
name = "Blue_Wave_Theory-Skyhawk_Beach.mp3";
url = "https://freemusicarchive.org/file/music/ccCommunity/Blue_Wave_Theory/Surf_Music_Month_Challenge/Blue_Wave_Theory_-_04_-_Skyhawk_Beach.mp3";
sha256 = "0xw417bxkx4gqqy139bb21yldi37xx8xjfxrwaqa0gyw19dl6mgp";
};
defaultCfg = rec {
user = "mpd";
group = "mpd";
dataDir = "/var/lib/mpd";
musicDirectory = "${dataDir}/music";
};
defaultMpdCfg = with defaultCfg; {
inherit dataDir musicDirectory user group;
enable = true;
};
musicService = { user, group, musicDirectory }: {
description = "Sets up the music file(s) for MPD to use.";
requires = [ "mpd.service" ];
after = [ "mpd.service" ];
wantedBy = [ "default.target" ];
script = ''
mkdir -p ${musicDirectory} && chown -R ${user}:${group} ${musicDirectory}
cp ${track} ${musicDirectory}
chown ${user}:${group} ${musicDirectory}/$(basename ${track})
'';
};
mkServer = { mpd, musicService, }:
{ boot.kernelModules = [ "snd-dummy" ];
sound.enable = true;
services.mpd = mpd;
systemd.services.musicService = musicService;
};
in {
name = "mpd";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ emmanuelrosa ];
};
nodes =
{ client =
{ ... }: { };
serverALSA =
{ ... }: lib.mkMerge [
(mkServer {
mpd = defaultMpdCfg // {
network.listenAddress = "any";
extraConfig = ''
audio_output {
type "alsa"
name "ALSA"
mixer_type "null"
}
'';
};
musicService = with defaultMpdCfg; musicService { inherit user group musicDirectory; };
})
{ networking.firewall.allowedTCPPorts = [ 6600 ]; }
];
serverPulseAudio =
{ ... }: lib.mkMerge [
(mkServer {
mpd = defaultMpdCfg // {
extraConfig = ''
audio_output {
type "pulse"
name "The Pulse"
}
'';
};
musicService = with defaultCfg; musicService { inherit user group musicDirectory; };
})
{
hardware.pulseaudio = {
enable = true;
systemWide = true;
tcp.enable = true;
tcp.anonymousClients.allowAll = true;
};
systemd.services.mpd.environment.PULSE_SERVER = "localhost";
}
];
};
testScript = ''
mpc = "${pkgs.mpc_cli}/bin/mpc --wait"
# Connects to the given server and attempts to play a tune.
def play_some_music(server):
server.wait_for_unit("mpd.service")
server.succeed(f"{mpc} update")
_, tracks = server.execute(f"{mpc} ls")
for track in tracks.splitlines():
server.succeed(f"{mpc} add {track}")
_, added_tracks = server.execute(f"{mpc} listall")
# Check we succeeded adding audio tracks to the playlist
assert len(added_tracks.splitlines()) > 0
server.succeed(f"{mpc} play")
_, output = server.execute(f"{mpc} status")
# Assure audio track is playing
assert "playing" in output
server.succeed(f"{mpc} stop")
play_some_music(serverALSA)
play_some_music(serverPulseAudio)
client.wait_for_unit("multi-user.target")
client.succeed(f"{mpc} -h serverALSA status")
# The PulseAudio-based server is configured not to accept external client connections
# to perform the following test:
client.fail(f"{mpc} -h serverPulseAudio status")
'';
})