Unverified Commit 7518588d authored by Niols's avatar Niols
Browse files

Add basic NixOS tests for TiMidity++

parent 7d96814b

nixos/tests/all-tests.nix

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@@ -1041,6 +1041,7 @@ in { 
  tika = runTest ./tika.nix;

  timescaledb = handleTest ./timescaledb.nix {};

  timezone = handleTest ./timezone.nix {};

  timidity = handleTest ./timidity {};

  tinc = handleTest ./tinc {};

  tinydns = handleTest ./tinydns.nix {};

  tinyproxy = handleTest ./tinyproxy.nix {};

nixos/tests/timidity/basic.nix

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import ../make-test-python.nix (

  { pkgs, ... }:

  {



    name = "timidity";



    nodes.machine =

      { pkgs, ... }:

      {

        environment.systemPackages = [ pkgs.timidity ];

      };



    testScript = ''

      start_all ()



      ## TiMidity++ is around.

      machine.succeed("command -v timidity")

    '';

  }

)

nixos/tests/timidity/default.nix

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inputs: {

  basic = import ./basic.nix inputs;

  with-vorbis = import ./with-vorbis.nix inputs;

}

nixos/tests/timidity/tam-lin.midi

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nixos/tests/timidity/with-vorbis.nix

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import ../make-test-python.nix (

  { pkgs, ... }:

  {



    name = "timidity-with-vorbis";



    nodes.machine =

      { pkgs, ... }:

      {

        environment.systemPackages = with pkgs; [

          (timidity.override { enableVorbis = true; })

          ffmpeg # # for `ffprobe`

        ];

      };



    testScript = ''

      import json



      start_all()



      ## TiMidity++ is around and it claims to support Ogg Vorbis.

      machine.succeed("command -v timidity")

      machine.succeed("timidity --help | grep 'Ogg Vorbis'")



      ## TiMidity++ manages to process a MIDI input and produces an Ogg Vorbis

      ## output file. NOTE: the `timidity` CLI succeeds even when the input file

      ## does not exist; hence our test for the output file's existence.

      machine.succeed("cp ${./tam-lin.midi} tam-lin.midi")

      machine.succeed("timidity -Ov tam-lin.midi && test -e tam-lin.ogg")



      ## The output file has the expected characteristics.

      metadata_as_text = machine.succeed("ffprobe -show_format -print_format json -i tam-lin.ogg")

      metadata = json.loads(metadata_as_text)

      assert metadata['format']['format_name'] == 'ogg', \

          f"expected 'format_name' to be 'ogg', got '{metadata['format']['format_name']}'"

      assert 37 <= float(metadata['format']['duration']) <= 38, \

          f"expected 'duration' to be between 37s and 38s, got {metadata['format']['duration']}s"

    '';

  }

)