lix/tests/functional/multiple-outputs.sh
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

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source common.sh
clearStore
rm -f $TEST_ROOT/result*
# Test whether the output names match our expectations
outPath=$(nix-instantiate multiple-outputs.nix --eval -A nameCheck.out.outPath)
[ "$(echo "$outPath" | sed -E 's_^".*/[^-/]*-([^/]*)"$_\1_')" = "multiple-outputs-a" ]
outPath=$(nix-instantiate multiple-outputs.nix --eval -A nameCheck.dev.outPath)
[ "$(echo "$outPath" | sed -E 's_^".*/[^-/]*-([^/]*)"$_\1_')" = "multiple-outputs-a-dev" ]
# Test whether read-only evaluation works when referring to the
# drvPath attribute.
echo "evaluating c..."
#drvPath=$(nix-instantiate multiple-outputs.nix -A c --readonly-mode)
# And check whether the resulting derivation explicitly depends on all
# outputs.
drvPath=$(nix-instantiate multiple-outputs.nix -A c)
#[ "$drvPath" = "$drvPath2" ]
grepQuiet 'multiple-outputs-a.drv",\["first","second"\]' $drvPath
grepQuiet 'multiple-outputs-b.drv",\["out"\]' $drvPath
# While we're at it, test the unsafeDiscardOutputDependency primop.
outPath=$(nix-build multiple-outputs.nix -A d --no-out-link)
drvPath=$(cat $outPath/drv)
outPath=$(nix-store -q $drvPath)
(! [ -e "$outPath" ])
# Do a build of something that depends on a derivation with multiple
# outputs.
echo "building b..."
outPath=$(nix-build multiple-outputs.nix -A b --no-out-link)
echo "output path is $outPath"
[ "$(cat "$outPath"/file)" = "success" ]
# Test nix-build on a derivation with multiple outputs.
outPath1=$(nix-build multiple-outputs.nix -A a -o $TEST_ROOT/result)
[ -e $TEST_ROOT/result-first ]
(! [ -e $TEST_ROOT/result-second ])
nix-build multiple-outputs.nix -A a.all -o $TEST_ROOT/result
[ "$(cat $TEST_ROOT/result-first/file)" = "first" ]
[ "$(cat $TEST_ROOT/result-second/file)" = "second" ]
[ "$(cat $TEST_ROOT/result-second/link/file)" = "first" ]
hash1=$(nix-store -q --hash $TEST_ROOT/result-second)
outPath2=$(nix-build $(nix-instantiate multiple-outputs.nix -A a) --no-out-link)
[[ $outPath1 = $outPath2 ]]
outPath2=$(nix-build $(nix-instantiate multiple-outputs.nix -A a.first) --no-out-link)
[[ $outPath1 = $outPath2 ]]
outPath2=$(nix-build $(nix-instantiate multiple-outputs.nix -A a.second) --no-out-link)
[[ $(cat $outPath2/file) = second ]]
[[ $(nix-build $(nix-instantiate multiple-outputs.nix -A a.all) --no-out-link | wc -l) -eq 2 ]]
# Delete one of the outputs and rebuild it. This will cause a hash
# rewrite.
env -u NIX_REMOTE nix store delete $TEST_ROOT/result-second --ignore-liveness
nix-build multiple-outputs.nix -A a.all -o $TEST_ROOT/result
[ "$(cat $TEST_ROOT/result-second/file)" = "second" ]
[ "$(cat $TEST_ROOT/result-second/link/file)" = "first" ]
hash2=$(nix-store -q --hash $TEST_ROOT/result-second)
[ "$hash1" = "$hash2" ]
# Make sure that nix-build works on derivations with multiple outputs.
echo "building a.first..."
nix-build multiple-outputs.nix -A a.first --no-out-link
# Cyclic outputs should be rejected.
echo "building cyclic..."
if nix-build multiple-outputs.nix -A cyclic --no-out-link; then
echo "Cyclic outputs incorrectly accepted!"
exit 1
fi
# Do a GC. This should leave an empty store.
echo "collecting garbage..."
rm $TEST_ROOT/result*
nix-store --gc --keep-derivations --keep-outputs
nix-store --gc --print-roots
rm -rf $NIX_STORE_DIR/.links
rmdir $NIX_STORE_DIR
expect 1 nix build -f multiple-outputs.nix invalid-output-name-1 2>&1 | grep 'contains illegal character'
expect 1 nix build -f multiple-outputs.nix invalid-output-name-2 2>&1 | grep 'contains illegal character'