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* 1000th revision!

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* A test to verify that locking of output paths (caused by concurrent
  invocations of Nix) works correctly.
This commit is contained in:
Eelco Dolstra 2004-05-04 13:56:30 +00:00
parent a7bbe73971
commit f044ccf702
4 changed files with 50 additions and 2 deletions
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8
tests/Makefile.am
View file

@ -11,11 +11,15 @@ TESTS_ENVIRONMENT = TEST_ROOT=$(TEST_ROOT) \
simple.sh: simple.nix
dependencies.sh: dependencies.nix
locking.sh: locking.nix
TESTS = init.sh simple.sh dependencies.sh
TESTS = init.sh simple.sh dependencies.sh locking.sh
XFAIL_TESTS =
include ../substitute.mk
EXTRA_DIST = $(TESTS) \
simple.nix.in simple.builder.sh \
dependencies.nix.in dependencies.builder*.sh
dependencies.nix.in dependencies.builder*.sh \
locking.nix.in locking.builder.sh

9
tests/locking.builder.sh Normal file
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@ -0,0 +1,9 @@
export PATH=/bin:/usr/bin:$PATH
sleep 3
touch $out
# Use `>>'; without proper locking this will cause text duplication.
echo -n $(cat $inputs)$text >> $out
sleep 2

18
tests/locking.nix.in Normal file
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@ -0,0 +1,18 @@
let {
mkDrv = text: inputs: derivation {
name = "locking";
system = "@system@";
builder = "@shell@";
args = ["-e" "-x" ./locking.builder.sh];
inherit text inputs;
};
a = mkDrv "a" [];
b = mkDrv "b" [a];
c = mkDrv "c" [a b];
d = mkDrv "d" [a];
e = mkDrv "e" [c d];
body = e;
}

17
tests/locking.sh Normal file
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@ -0,0 +1,17 @@
storeExpr=$($TOP/src/nix-instantiate/nix-instantiate locking.nix)
echo "store expr is $storeExpr"
for i in $(seq 1 5); do
echo "WORKER $i"
$TOP/src/nix-store/nix-store -rvvB "$storeExpr" &
done
sleep 5
outPath=$($TOP/src/nix-store/nix-store -qnfvvvvv "$storeExpr")
echo "output path is $outPath"
text=$(cat "$outPath")
if test "$text" != "aabcade"; then exit 1; fi