forked from lix-project/lix
addacfce4a
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`
82 lines
1.8 KiB
Bash
82 lines
1.8 KiB
Bash
source common.sh
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needLocalStore "“min-free” and “max-free” are daemon options"
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clearStore
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garbage1=$(nix store add-path --name garbage1 ./nar-access.sh)
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garbage2=$(nix store add-path --name garbage2 ./nar-access.sh)
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garbage3=$(nix store add-path --name garbage3 ./nar-access.sh)
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ls -l $garbage3
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POSIXLY_CORRECT=1 du $garbage3
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fake_free=$TEST_ROOT/fake-free
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export _NIX_TEST_FREE_SPACE_FILE=$fake_free
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echo 1100 > $fake_free
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fifoLock=$TEST_ROOT/fifoLock
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mkfifo "$fifoLock"
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expr=$(cat <<EOF
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with import ./config.nix; mkDerivation {
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name = "gc-A";
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buildCommand = ''
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set -x
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[[ \$(ls \$NIX_STORE/*-garbage? | wc -l) = 3 ]]
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mkdir \$out
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echo foo > \$out/bar
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# Pretend that we run out of space
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echo 100 > ${fake_free}.tmp1
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mv ${fake_free}.tmp1 $fake_free
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# Wait for the GC to run
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for i in {1..20}; do
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echo ''\${i}...
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if [[ \$(ls \$NIX_STORE/*-garbage? | wc -l) = 1 ]]; then
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exit 0
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fi
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sleep 1
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done
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exit 1
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'';
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}
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EOF
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)
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expr2=$(cat <<EOF
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with import ./config.nix; mkDerivation {
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name = "gc-B";
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buildCommand = ''
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set -x
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mkdir \$out
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echo foo > \$out/bar
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# Wait for the first build to finish
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cat "$fifoLock"
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'';
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}
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EOF
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)
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nix build --impure -v -o $TEST_ROOT/result-A -L --expr "$expr" \
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--min-free 1000 --max-free 2000 --min-free-check-interval 1 &
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pid1=$!
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nix build --impure -v -o $TEST_ROOT/result-B -L --expr "$expr2" \
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--min-free 1000 --max-free 2000 --min-free-check-interval 1 &
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pid2=$!
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# Once the first build is done, unblock the second one.
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# If the first build fails, we need to postpone the failure to still allow
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# the second one to finish
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wait "$pid1" || FIRSTBUILDSTATUS=$?
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echo "unlock" > $fifoLock
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( exit ${FIRSTBUILDSTATUS:-0} )
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wait "$pid2"
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[[ foo = $(cat $TEST_ROOT/result-A/bar) ]]
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[[ foo = $(cat $TEST_ROOT/result-B/bar) ]]
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