lix-releng-staging/tests/functional/recursive.nix
John Ericson 30dcc19d1f Put functional tests in tests/functional
I think it is bad for these reasons when `tests/` contains a mix of
functional and integration tests

 - Concepts is harder to understand, the documentation makes a good
   unit vs functional vs integration distinction, but when the
   integration tests are just two subdirs within `tests/` this is not
   clear.

 - Source filtering in the `flake.nix` is more complex. We need to
   filter out some of the dirs from `tests/`, rather than simply pick
   the dirs we want and take all of them. This is a good sign the
   structure of what we are trying to do is not matching the structure
   of the files.

With this change we have a clean:
```shell-session
$ git show 'HEAD:tests'
tree HEAD:tests

functional/
installer/
nixos/
```

(cherry picked from commit 68c81c737571794f7246db53fb4774e94fcf4b7e)
2023-12-01 12:06:43 -05:00

57 lines
1.5 KiB
Nix

with import ./config.nix;
mkDerivation rec {
name = "recursive";
dummy = builtins.toFile "dummy" "bla bla";
SHELL = shell;
# Note: this is a string without context.
unreachable = builtins.getEnv "unreachable";
NIX_TESTS_CA_BY_DEFAULT = builtins.getEnv "NIX_TESTS_CA_BY_DEFAULT";
requiredSystemFeatures = [ "recursive-nix" ];
buildCommand = ''
mkdir $out
opts="--experimental-features nix-command ${if (NIX_TESTS_CA_BY_DEFAULT == "1") then "--extra-experimental-features ca-derivations" else ""}"
PATH=${builtins.getEnv "NIX_BIN_DIR"}:$PATH
# Check that we can query/build paths in our input closure.
nix $opts path-info $dummy
nix $opts build $dummy
# Make sure we cannot query/build paths not in out input closure.
[[ -e $unreachable ]]
(! nix $opts path-info $unreachable)
(! nix $opts build $unreachable)
# Add something to the store.
echo foobar > foobar
foobar=$(nix $opts store add-path ./foobar)
nix $opts path-info $foobar
nix $opts build $foobar
# Add it to our closure.
ln -s $foobar $out/foobar
[[ $(nix $opts path-info --all | wc -l) -eq 4 ]]
# Build a derivation.
nix $opts build -L --impure --expr '
with import ${./config.nix};
mkDerivation {
name = "inner1";
buildCommand = "echo $fnord blaat > $out";
fnord = builtins.toFile "fnord" "fnord";
}
'
[[ $(nix $opts path-info --json ./result) =~ fnord ]]
ln -s $(nix $opts path-info ./result) $out/inner1
'';
}