home-manager/tests/modules/programs/firefox/policies.nix

modulePath:
{
  config,
  lib,
  pkgs,
  ...
}:
let
  cfg = lib.getAttrFromPath modulePath config;

  firefoxMockOverlay = import ./setup-firefox-mock-overlay.nix modulePath;
in
{
  imports = [ firefoxMockOverlay ];

  config = lib.mkIf config.test.enableBig (
    {
      home.stateVersion = "23.05";
    }
    // lib.setAttrByPath modulePath {
      enable = true;
      policies = {
        BlockAboutConfig = true;
      };
      package = pkgs.${cfg.wrappedPackageName}.override {
        extraPolicies = {
          DownloadDirectory = "/foo";
        };
      };
    }
    // {
      nmt.script = ''
        jq=${lib.getExe pkgs.jq}
        config_file="${cfg.finalPackage}/lib/${cfg.wrappedPackageName}/distribution/policies.json"

        assertFileExists "$config_file"

        blockAboutConfig_actual_value="$($jq ".policies.BlockAboutConfig" $config_file)"

        if [[ $blockAboutConfig_actual_value != "true" ]]; then
          fail "Expected '$config_file' to set 'policies.BlockAboutConfig' to true"
        fi

        downloadDirectory_actual_value="$($jq ".policies.DownloadDirectory" $config_file)"

        if [[ $downloadDirectory_actual_value != "\"/foo\"" ]]; then
          fail "Expected '$config_file' to set 'policies.DownloadDirectory' to \"/foo\""
        fi
      '';
    }
  );
}