nixpkgs/nixos/tests/nginx-moreheaders.nix

import ./make-test-python.nix {
  name = "nginx-more-headers";

  nodes = {
    webserver = { pkgs, ... }: {
      services.nginx = {
        enable = true;

        virtualHosts.test = {
          locations = {
            "/".return = "200 blub";
            "/some" =  {
              return = "200 blub";
              extraConfig = ''
                more_set_headers "Referrer-Policy: no-referrer";
              '';
            };
          };
          extraConfig = ''
            more_set_headers "X-Powered-By: nixos";
          '';
        };
      };
    };
  };

  testScript = ''
    webserver.wait_for_unit("nginx")
    webserver.wait_for_open_port(80)

    webserver.succeed("curl --fail --resolve test:80:127.0.0.1 --head --verbose http://test | grep -q \"X-Powered-By: nixos\"")
    webserver.fail("curl --fail --resolve test:80:127.0.0.1 --head --verbose http://test | grep -q \"Referrer-Policy: no-referrer\"")

    webserver.succeed("curl --fail --resolve test:80:127.0.0.1 --head --verbose http://test/some | grep -q \"X-Powered-By: nixos\"")
    webserver.succeed("curl --fail --resolve test:80:127.0.0.1 --head --verbose http://test/some | grep -q \"Referrer-Policy: no-referrer\"")
  '';
}