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path: root/pkgs/test/make-binary-wrapper/default.nix
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{ lib
, stdenv
, pkgsCross
, makeBinaryWrapper
, writeText
, runCommand
, runCommandCC
}:

let
  env = { nativeBuildInputs = [ makeBinaryWrapper ]; };
  envCheck = runCommandCC "envcheck" env ''
    cc -Wall -Werror -Wpedantic -o $out ${./envcheck.c}
  '';
  makeGoldenTest = testname: runCommand "make-binary-wrapper-test-${testname}" env ''
    mkdir -p tmp/foo # for the chdir test

    params=$(<"${./.}/${testname}.cmdline")
    eval "makeCWrapper /send/me/flags $params" > wrapper.c

    diff wrapper.c "${./.}/${testname}.c"

    if [ -f "${./.}/${testname}.env" ]; then
      eval "makeWrapper ${envCheck} wrapped $params"
      env -i ./wrapped > env.txt
      sed "s#SUBST_ARGV0#${envCheck}#;s#SUBST_CWD#$PWD#" \
        "${./.}/${testname}.env" > golden-env.txt
      if ! diff env.txt golden-env.txt; then
        echo "env/argv should be:"
        cat golden-env.txt
        echo "env/argv output is:"
        cat env.txt
        exit 1
      fi
    else
      # without a golden env, we expect the wrapper compilation to fail
      ! eval "makeWrapper ${envCheck} wrapped $params" &> error.txt
    fi

    cp wrapper.c $out
  '';
  tests = lib.genAttrs [
    "add-flags"
    "argv0"
    "basic"
    "chdir"
    "combination"
    "env"
    "inherit-argv0"
    "invalid-env"
    "overlength-strings"
    "prefix"
    "suffix"
  ] makeGoldenTest // lib.optionalAttrs (! stdenv.isDarwin) {
    cross = pkgsCross.${if stdenv.buildPlatform.isAarch64 then "gnu64" else "aarch64-multiplatform"}.callPackage ./cross.nix { };
  };
in

writeText "make-binary-wrapper-tests" ''
  ${lib.concatStringsSep "\n" (builtins.attrValues tests)}
'' // tests