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* Removed the locking.sh test; it's redundant because of the extended

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parallel.sh test.  Also, don't call multiple nix-builds in parallel,
  since they can race creating .nix-build-tmp-derivation.
This commit is contained in:
Eelco Dolstra 2009-03-25 16:43:38 +00:00
parent 8146a0c731
commit 7024a1ef07
5 changed files with 11 additions and 45 deletions
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11
tests/parallel.sh
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@ -1,5 +1,6 @@
source common.sh
# First, test that -jN performs builds in parallel.
echo "testing nix-build -j..."
@ -17,6 +18,7 @@ if test "$text" != "abacade"; then exit 1; fi
if test "$(cat $SHARED.cur)" != 0; then fail "wrong current process count"; fi
if test "$(cat $SHARED.max)" != 3; then fail "not enough parallelism"; fi
# Second, test that parallel invocations of nix-build perform builds
# in parallel, and don't block waiting on locks held by the others.
echo "testing multiple nix-build -j1..."
@ -25,7 +27,9 @@ clearStore
rm -f $SHARED.cur $SHARED.max
cmd="$nixbuild -j1 parallel.nix --argstr sleepTime 7"
drvPath=$($nixinstantiate parallel.nix --argstr sleepTime 7)
cmd="$nixstore -j1 -r $drvPath"
$cmd &
pid1=$!
@ -39,9 +43,14 @@ $cmd &
pid3=$!
echo "pid 3 is $pid3"
$cmd &
pid4=$!
echo "pid 4 is $pid4"
wait $pid1 || fail "instance 1 failed: $?"
wait $pid2 || fail "instance 2 failed: $?"
wait $pid3 || fail "instance 3 failed: $?"
wait $pid4 || fail "instance 4 failed: $?"
if test "$(cat $SHARED.cur)" != 0; then fail "wrong current process count"; fi
if test "$(cat $SHARED.max)" != 3; then fail "not enough parallelism"; fi