nixpkgs/pkgs/test/make-binary-wrapper/default.nix
2022-05-06 17:03:30 +02:00

56 lines
1.6 KiB
Nix

{ lib, coreutils, python3, gcc, writeText, writeScript, runCommand, makeBinaryWrapper }:
let
env = { buildInputs = [ makeBinaryWrapper ]; };
envCheck = runCommand "envcheck" env ''
${gcc}/bin/cc -Wall -Werror -Wpedantic -o $out ${./envcheck.c}
'';
makeGoldenTest = testname: runCommand "test-wrapper_${testname}" env ''
mkdir -p ./tmp/foo
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 = let
names = [
"add-flags"
"argv0"
"basic"
"chdir"
"combination"
"env"
"inherit-argv0"
"invalid-env"
"prefix"
"suffix"
"overlength-strings"
];
f = name: lib.nameValuePair name (makeGoldenTest name);
in builtins.listToAttrs (builtins.map f names);
in writeText "make-binary-wrapper-test" ''
${lib.concatStringsSep "\n" (lib.mapAttrsToList (_: test: ''
"${test.name}" "${test}"
'') tests)}
'' // tests