125 lines
3.8 KiB
Nix
125 lines
3.8 KiB
Nix
import ./make-test-python.nix ({ pkgs, firefoxPackage, ... }:
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let firefoxPackage' = firefoxPackage.override (args: {
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extraPrefsFiles = (args.extraPrefsFiles or []) ++ [
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# make sure that autoplay is enabled by default for the audio test
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(builtins.toString (builtins.toFile "autoplay-pref.js" ''defaultPref("media.autoplay.default",0);''))
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];
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});
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in
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{
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name = firefoxPackage'.unwrapped.binaryName;
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meta = with pkgs.lib.maintainers; {
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maintainers = [ eelco shlevy ];
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};
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nodes.machine =
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{ pkgs, ... }:
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{ imports = [ ./common/x11.nix ];
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environment.systemPackages = [
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firefoxPackage'
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pkgs.xdotool
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];
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# Create a virtual sound device, with mixing
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# and all, for recording audio.
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boot.kernelModules = [ "snd-aloop" ];
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sound.enable = true;
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sound.extraConfig = ''
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pcm.!default {
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type plug
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slave.pcm pcm.dmixer
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}
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pcm.dmixer {
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type dmix
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ipc_key 1
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slave {
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pcm "hw:Loopback,0,0"
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rate 48000
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periods 128
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period_time 0
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period_size 1024
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buffer_size 8192
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}
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}
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pcm.recorder {
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type hw
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card "Loopback"
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device 1
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subdevice 0
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}
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'';
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systemd.services.audio-recorder = {
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description = "Record NixOS test audio to /tmp/record.wav";
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script = "${pkgs.alsa-utils}/bin/arecord -D recorder -f S16_LE -r48000 /tmp/record.wav";
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};
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};
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testScript = ''
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from contextlib import contextmanager
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@contextmanager
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def record_audio(machine: Machine):
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"""
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Perform actions while recording the
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machine audio output.
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"""
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machine.systemctl("start audio-recorder")
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yield
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machine.systemctl("stop audio-recorder")
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def wait_for_sound(machine: Machine):
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"""
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Wait until any sound has been emitted.
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"""
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machine.wait_for_file("/tmp/record.wav")
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while True:
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# Get at most 2M of the recording
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machine.execute("tail -c 2M /tmp/record.wav > /tmp/last")
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# Get the exact size
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size = int(machine.succeed("stat -c '%s' /tmp/last").strip())
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# Compare it against /dev/zero using `cmp` (skipping 50B of WAVE header).
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# If some non-NULL bytes are found it returns 1.
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status, output = machine.execute(
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f"cmp -i 50 -n {size - 50} /tmp/last /dev/zero 2>&1"
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)
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if status == 1:
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break
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machine.sleep(2)
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machine.wait_for_x()
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with subtest("Wait until Firefox has finished loading the Valgrind docs page"):
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machine.execute(
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"xterm -e '${firefoxPackage'.unwrapped.binaryName} file://${pkgs.valgrind.doc}/share/doc/valgrind/html/index.html' >&2 &"
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)
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machine.wait_for_window("Valgrind")
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machine.sleep(40)
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with subtest("Check whether Firefox can play sound"):
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with record_audio(machine):
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machine.succeed(
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"${firefoxPackage'.unwrapped.binaryName} file://${pkgs.sound-theme-freedesktop}/share/sounds/freedesktop/stereo/phone-incoming-call.oga >&2 &"
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)
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wait_for_sound(machine)
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machine.copy_from_vm("/tmp/record.wav")
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with subtest("Close sound test tab"):
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machine.execute("xdotool key ctrl+w")
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with subtest("Close default browser prompt"):
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machine.execute("xdotool key space")
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with subtest("Wait until Firefox draws the developer tool panel"):
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machine.sleep(10)
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machine.succeed("xwininfo -root -tree | grep Valgrind")
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machine.screenshot("screen")
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'';
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})
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