nixosTests.incus: add ui test

  lxd-to-incus = import ./lxd-to-incus.nix { inherit system pkgs; };

  preseed = import ./preseed.nix { inherit system pkgs; };

  socket-activated = import ./socket-activated.nix { inherit system pkgs; };

  ui = import ./ui.nix {inherit system pkgs;};

  virtual-machine = handleTestOn [ "x86_64-linux" ] ./virtual-machine.nix { inherit system pkgs; };

}

import ../make-test-python.nix ({ pkgs, lib, ... }: {

  name = "incus-ui";

  meta = {

    maintainers = lib.teams.lxc.members;

  };

  nodes.machine = { lib, ... }: {

    virtualisation = {

      incus.enable = true;

      incus.ui.enable = true;

    };

    environment.systemPackages =

      let

        seleniumScript = pkgs.writers.writePython3Bin "selenium-script"

          {

            libraries = with pkgs.python3Packages; [ selenium ];

          } ''

          from selenium import webdriver

          from selenium.webdriver.common.by import By

          from selenium.webdriver.firefox.options import Options

          from selenium.webdriver.support.ui import WebDriverWait

          options = Options()

          options.add_argument("--headless")

          service = webdriver.FirefoxService(executable_path="${lib.getExe pkgs.geckodriver}")  # noqa: E501

          driver = webdriver.Firefox(options=options, service=service)

          driver.implicitly_wait(10)

          driver.get("https://localhost:8443/ui")

          wait = WebDriverWait(driver, 60)

          assert len(driver.find_elements(By.CLASS_NAME, "l-application")) > 0

          assert len(driver.find_elements(By.CLASS_NAME, "l-navigation__drawer")) > 0

          driver.close()

        '';

      in

      with pkgs; [ curl firefox-unwrapped geckodriver seleniumScript ];

  };

  testScript = ''

    machine.wait_for_unit("sockets.target")

    machine.wait_for_unit("incus.service")

    machine.wait_for_file("/var/lib/incus/unix.socket")

    # Configure incus listen address

    machine.succeed("incus config set core.https_address :8443")

    machine.succeed("systemctl restart incus")

    # Check that the INCUS_UI environment variable is populated in the systemd unit

    machine.succeed("cat /etc/systemd/system/incus.service | grep 'INCUS_UI'")

    # Ensure the endpoint returns an HTML page with 'Incus UI' in the title

    machine.succeed("curl -kLs https://localhost:8443/ui | grep '<title>Incus UI</title>'")

    # Ensure the application is actually rendered by the Javascript

    machine.succeed("PYTHONUNBUFFERED=1 selenium-script")

  '';

})