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 = '' cp ${track} ${musicDirectory} ''; serviceConfig = { User = user; Group = group; }; }; mkServer = { mpd, musicService, }: { boot.kernelModules = [ "snd-dummy" ]; services.mpd = mpd; systemd.services.musicService = musicService; }; in { name = "mpd"; meta = with pkgs.lib.maintainers; { maintainers = [ emmanuelrosa ]; }; nodes = { client = { ... }: { }; serverALSA = { ... }: lib.mkMerge [ (mkServer { mpd = defaultMpdCfg // { network.listenAddress = "any"; extraConfig = '' audio_output { type "alsa" name "ALSA" mixer_type "null" } ''; }; musicService = with defaultMpdCfg; musicService { inherit user group musicDirectory; }; }) { networking.firewall.allowedTCPPorts = [ 6600 ]; } ]; serverPulseAudio = { ... }: lib.mkMerge [ (mkServer { mpd = defaultMpdCfg // { extraConfig = '' audio_output { type "pulse" name "The Pulse" } ''; }; musicService = with defaultCfg; musicService { inherit user group musicDirectory; }; }) { hardware.pulseaudio = { enable = true; systemWide = true; tcp.enable = true; tcp.anonymousClients.allowAll = true; }; systemd.services.mpd.environment.PULSE_SERVER = "localhost"; } ]; }; testScript = '' mpc = "${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} playlist") # 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") ''; })