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lix/tests/multiple-outputs.sh
regnat addacfce4a Allow running all the tests with the daemon
When `NIX_DAEMON_PACKAGE` is set, make all the tests use the Nix daemon.
That way we can test every piece of Nix functionality both with and
without the daemon.

Tests for which using the daemon isn’t possible or doesn’t make sens can
selectively be disabled with `needLocalStore`
2021-07-27 17:06:11 +02:00

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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" ]
grep -q 'multiple-outputs-a.drv",\["first","second"\]' $drvPath
grep -q '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
echo "collecting garbage..."
rm $TEST_ROOT/result*
nix-store --gc --keep-derivations --keep-outputs
nix-store --gc --print-roots