2022-03-29 23:54:42 +02:00
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# NixOS test for usbrelayd
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#
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# It is not stored in nixos/tests directory, because it requires the
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# USB relay connected to the host computer and as such, it cannot be
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# run automatically.
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#
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# Run this test as:
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#
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# nix-build test.nix -A driverInteractive && ./result/bin/nixos-test-driver --no-interactive
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#
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# The interactive driver is required because the default
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# (non-interactive) driver uses qemu without support for passing USB
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# devices to the guest (see
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# https://discourse.nixos.org/t/hardware-dependent-nixos-tests/18564
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# for discussion of other alternatives).
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import ../../../../nixos/tests/make-test-python.nix ({ pkgs, ... }: {
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name = "usbrelayd";
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nodes.machine = {
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virtualisation.qemu.options = [
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"-device qemu-xhci"
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"-device usb-host,vendorid=0x16c0,productid=0x05df"
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];
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services.usbrelayd.enable = true;
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systemd.services.usbrelayd = {
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after = [ "mosquitto.service" ];
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};
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services.mosquitto = {
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enable = true;
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listeners = [{
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acl = [ "pattern readwrite #" ];
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omitPasswordAuth = true;
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settings.allow_anonymous = true;
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}];
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};
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environment.systemPackages = [
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pkgs.usbrelay
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pkgs.mosquitto
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];
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documentation.nixos.enable = false; # building nixos manual takes long time
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};
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testScript = ''
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2022-09-17 00:19:18 +02:00
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import os
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2022-03-29 23:54:42 +02:00
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if os.waitstatus_to_exitcode(os.system("lsusb -d 16c0:05df")) != 0:
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print("No USB relay detected, skipping test")
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import sys
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sys.exit(2)
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machine.start()
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# usbrelayd is started by udev when an relay is detected
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machine.wait_for_unit("usbrelayd.service")
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stdout = machine.succeed("usbrelay")
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relay_id = stdout.split(sep="_")[0]
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assert relay_id != ""
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import time
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time.sleep(1)
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machine.succeed(f"mosquitto_pub -h localhost -t cmnd/{relay_id}/1 -m ON")
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time.sleep(1)
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machine.succeed(f"mosquitto_pub -h localhost -t cmnd/{relay_id}/1 -m OFF")
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print("Did you see the relay switching on and off?")
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'';
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})
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