import ./make-test.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 = '' my $mpc = "${pkgs.mpc_cli}/bin/mpc --wait"; # Connects to the given server and attempts to play a tune. sub play_some_music { my $server = $_[0]; $server->waitForUnit("mpd.service"); $server->succeed("$mpc update"); my @tracks = $server->execute("$mpc ls"); for my $track (split(/\n/, $tracks[1])) { $server->succeed("$mpc add $track"); }; my @added_tracks = $server->execute("$mpc listall"); (length $added_tracks[1]) > 0 or die "Failed to add audio tracks to the playlist."; $server->succeed("$mpc play"); my @status = $server->execute("$mpc status"); my @output = split(/\n/, $status[1]); $output[1] =~ /.*playing.*/ or die "Audio track is not playing, as expected."; $server->succeed("$mpc stop"); }; play_some_music($serverALSA); play_some_music($serverPulseAudio); $client->waitForUnit("multi-user.target"); $client->succeed("$mpc -h serverALSA status"); # The PulseAudio-based server is configured not to accept external client connections # to perform the following test: $client->fail("$mpc -h serverPulseAudio status"); ''; })