crane/lib/cargoNextest.nix
Rebecca Turner 174604795d
Add workaround for cargo-nextest bug (#376)
Prevents this error:

```
(...)
dyld: Library not loaded: @rpath/libtest-77ee8c29c330e4a3.dylib
  Referenced from: /private/tmp/holochain_repo/target/fast-test/deps/hdk_derive-73ec051829ad694a
  Reason: image not found
error: creating test list failed
Caused by:
  for `hdk_derive::proc-macro/hdk_derive`, running command `/private/tmp/holochain_repo/target/fast-test/deps/hdk_derive-73ec051829ad694a --list --format terse` failed
Caused by:
  command ["/private/tmp/holochain_repo/target/fast-test/deps/hdk_derive-73ec051829ad694a", "--list", "--format", "terse"] exited with code <signal 6>
Error: Process completed with exit code 104.
```

https://github.com/nextest-rs/nextest/issues/267
2023-08-30 23:44:00 +00:00

91 lines
2.7 KiB
Nix

{ cargo-nextest
, rustc
, lib
, stdenv
, mkCargoDerivation
, runCommand
}:
{ cargoArtifacts
, cargoExtraArgs ? ""
, cargoNextestExtraArgs ? ""
, doInstallCargoArtifacts ? true
, partitions ? 1
, partitionType ? "count"
, ...
}@origArgs:
let
args = builtins.removeAttrs origArgs [
"cargoExtraArgs"
"cargoNextestExtraArgs"
"partitions"
"partitionType"
];
mkUpdatedArgs = { cmd ? "run", extraSuffix ? "", moreArgs ? "" }: args // {
inherit cargoArtifacts;
pnameSuffix = "-nextest${extraSuffix}";
doCheck = args.doCheck or true;
buildPhaseCargoCommand = args.buildPhaseCargoCommand or ''
mkdir -p $out
cargo nextest --version
'';
# Work around Nextest bug: https://github.com/nextest-rs/nextest/issues/267
preCheck = (args.preCheck or "") + lib.optionalString stdenv.isDarwin ''
export DYLD_FALLBACK_LIBRARY_PATH=$(${rustc}/bin/rustc --print sysroot)/lib
'';
checkPhaseCargoCommand = "cargo nextest ${cmd} $" + "{CARGO_PROFILE:+--cargo-profile $CARGO_PROFILE} ${cargoExtraArgs} ${cargoNextestExtraArgs} ${moreArgs}";
nativeBuildInputs = (args.nativeBuildInputs or [ ]) ++ [ cargo-nextest ];
};
in
if partitions < 1 then
throw "paritions must be at least 1 or greater"
else if partitions == 1 then # Simple case do everything in one derivation
mkCargoDerivation (mkUpdatedArgs { })
else # First build the tests in one derivation, then run each partition in another
let
mkArchiveArgs = root: "--archive-format tar-zst --archive-file ${root}/archive.tar.zst";
archive = mkCargoDerivation (mkUpdatedArgs {
cmd = "archive";
moreArgs = mkArchiveArgs "$out";
});
mkPartition = nInt:
let
n = toString (nInt + 1);
in
mkCargoDerivation ((mkUpdatedArgs {
extraSuffix = "-p${toString n}";
moreArgs = builtins.concatStringsSep " " [
"${mkArchiveArgs archive}"
"--workspace-remap ."
"--partition ${partitionType}:${n}/${toString partitions}"
];
}) // {
# Everything we need is already in the archive
cargoArtifacts = null;
cargoVendorDir = null;
doInstallCargoArtifacts = false;
# Nextest does not like extra args when running with an archive
CARGO_PROFILE = "";
});
in
# Allow for retaining the artifacts from the `archive` derivation
# if callers want to chain other derivations after it. We provide
# the actual `partition*` derivations as inputs to ensure they are run.
runCommand "cargo-nextest-tests"
{
inherit doInstallCargoArtifacts;
buildInputs = lib.genList mkPartition partitions;
} ''
if [ "1" = "''${doInstallCargoArtifacts-}" ]; then
cp --recursive ${archive} $out/
else
mkdir -p $out
fi
''