pyrox.dev
1import ./make-test-python.nix ({ pkgs, lib, ... }:
2 let
3 track = pkgs.fetchurl {
4 # Sourced from http://freemusicarchive.org/music/Blue_Wave_Theory/Surf_Music_Month_Challenge/Skyhawk_Beach_fade_in
5 # License: http://creativecommons.org/licenses/by-sa/4.0/
6
7 name = "Blue_Wave_Theory-Skyhawk_Beach.mp3";
8 url = "https://freemusicarchive.org/file/music/ccCommunity/Blue_Wave_Theory/Surf_Music_Month_Challenge/Blue_Wave_Theory_-_04_-_Skyhawk_Beach.mp3";
9 sha256 = "0xw417bxkx4gqqy139bb21yldi37xx8xjfxrwaqa0gyw19dl6mgp";
10 };
11
12 defaultCfg = rec {
13 user = "mpd";
14 group = "mpd";
15 dataDir = "/var/lib/mpd";
16 musicDirectory = "${dataDir}/music";
17 };
18
19 defaultMpdCfg = with defaultCfg; {
20 inherit dataDir musicDirectory user group;
21 enable = true;
22 };
23
24 musicService = { user, group, musicDirectory }: {
25 description = "Sets up the music file(s) for MPD to use.";
26 requires = [ "mpd.service" ];
27 after = [ "mpd.service" ];
28 wantedBy = [ "default.target" ];
29 script = ''
30 cp ${track} ${musicDirectory}
31 '';
32 serviceConfig = {
33 User = user;
34 Group = group;
35 };
36 };
37
38 mkServer = { mpd, musicService, }:
39 { boot.kernelModules = [ "snd-dummy" ];
40 sound.enable = true;
41 services.mpd = mpd;
42 systemd.services.musicService = musicService;
43 };
44 in {
45 name = "mpd";
46 meta = with pkgs.lib.maintainers; {
47 maintainers = [ emmanuelrosa ];
48 };
49
50 nodes =
51 { client =
52 { ... }: { };
53
54 serverALSA =
55 { ... }: lib.mkMerge [
56 (mkServer {
57 mpd = defaultMpdCfg // {
58 network.listenAddress = "any";
59 extraConfig = ''
60 audio_output {
61 type "alsa"
62 name "ALSA"
63 mixer_type "null"
64 }
65 '';
66 };
67 musicService = with defaultMpdCfg; musicService { inherit user group musicDirectory; };
68 })
69 { networking.firewall.allowedTCPPorts = [ 6600 ]; }
70 ];
71
72 serverPulseAudio =
73 { ... }: lib.mkMerge [
74 (mkServer {
75 mpd = defaultMpdCfg // {
76 extraConfig = ''
77 audio_output {
78 type "pulse"
79 name "The Pulse"
80 }
81 '';
82 };
83
84 musicService = with defaultCfg; musicService { inherit user group musicDirectory; };
85 })
86 {
87 hardware.pulseaudio = {
88 enable = true;
89 systemWide = true;
90 tcp.enable = true;
91 tcp.anonymousClients.allowAll = true;
92 };
93 systemd.services.mpd.environment.PULSE_SERVER = "localhost";
94 }
95 ];
96 };
97
98 testScript = ''
99 mpc = "${pkgs.mpc-cli}/bin/mpc --wait"
100
101 # Connects to the given server and attempts to play a tune.
102 def play_some_music(server):
103 server.wait_for_unit("mpd.service")
104 server.succeed(f"{mpc} update")
105 _, tracks = server.execute(f"{mpc} ls")
106
107 for track in tracks.splitlines():
108 server.succeed(f"{mpc} add {track}")
109
110 _, added_tracks = server.execute(f"{mpc} playlist")
111
112 # Check we succeeded adding audio tracks to the playlist
113 assert len(added_tracks.splitlines()) > 0
114
115 server.succeed(f"{mpc} play")
116
117 _, output = server.execute(f"{mpc} status")
118 # Assure audio track is playing
119 assert "playing" in output
120
121 server.succeed(f"{mpc} stop")
122
123
124 play_some_music(serverALSA)
125 play_some_music(serverPulseAudio)
126
127 client.wait_for_unit("multi-user.target")
128 client.succeed(f"{mpc} -h serverALSA status")
129
130 # The PulseAudio-based server is configured not to accept external client connections
131 # to perform the following test:
132 client.fail(f"{mpc} -h serverPulseAudio status")
133 '';
134})