nixpkgs/nixos/tests/php/pcre.nix

let
  testString = "can-use-subgroups";
in
import ../make-test-python.nix ({ pkgs, lib, php, ... }: {
  name = "php-${php.version}-httpd-pcre-jit-test";
  meta.maintainers = lib.teams.php.members;

  nodes.machine = { lib, pkgs, ... }: {
    time.timeZone = "UTC";
    services.httpd = {
      enable = true;
      adminAddr = "please@dont.contact";
      phpPackage = php;
      enablePHP = true;
      phpOptions = "pcre.jit = true";
      extraConfig =
        let
          testRoot = pkgs.writeText "index.php"
            ''
              <?php
              preg_match('/(${testString})/', '${testString}', $result);
              var_dump($result);
            '';
        in
        ''
          Alias / ${testRoot}/

          <Directory ${testRoot}>
            Require all granted
          </Directory>
        '';
    };
  };
  testScript = let
    # PCRE JIT SEAlloc feature does not play well with fork()
    # The feature needs to either be disabled or PHP configured correctly
    # More information in https://bugs.php.net/bug.php?id=78927 and https://bugs.php.net/bug.php?id=78630
    pcreJitSeallocForkIssue = pkgs.writeText "pcre-jit-sealloc-issue.php" ''
      <?php
      preg_match('/nixos/', 'nixos');
      $pid = pcntl_fork();
      pcntl_wait($pid);
    '';
  in ''
      machine.wait_for_unit("httpd.service")
      # Ensure php evaluation by matching on the var_dump syntax
      response = machine.succeed("curl -fvvv -s http://127.0.0.1:80/index.php")
      expected = 'string(${toString (builtins.stringLength testString)}) "${testString}"'
      assert expected in response, "Does not appear to be able to use subgroups."
      machine.succeed("${php}/bin/php -f ${pcreJitSeallocForkIssue}")
    '';
})