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Use temporary files for the background job pgroup test

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This also reduces the likelihood of a race.
This commit is contained in:
ridiculousfish 2020-09-13 13:23:56 -07:00
parent a698b1f96c
commit 1ba9c7ea56
1 changed files with 12 additions and 8 deletions
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20
tests/checks/pipeline-pgroup.fish
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@ -50,17 +50,21 @@ read -l pgrp2 < $tmpfile2
and echo "eval pgroups agreed"
or echo "eval pgroups disagreed, meaning eval does not retain pgroups: $pgrp1 $pgrp2"
# CHECK: eval pgroups agreed
rm $tmpfile1 $tmpfile2
echo -n > $tmpfile1
echo -n > $tmpfile2
# Ensure that if a background job launches another background job, that they have different pgroups.
# The pipeline here will arrange for the two pgroups to be printed on the same line, like:
# 123 124
# Our regex will capture the first pgroup and use a negative lookahead on the second.
status job-control full
$fth print_pgrp | begin
tr \n ' '
$fth print_pgrp | tr \n ' ' &
$fth print_pgrp > $tmpfile1 | begin
$fth print_pgrp > $tmpfile2 &
wait
end &
wait
echo
# CHECK: {{(\d+) (?!\1)\d+}}
read -l pgrp1 < $tmpfile1
read -l pgrp2 < $tmpfile2
[ "$pgrp1" -ne "$pgrp2" ]
and echo "background job correctly got new pgroup"
or echo "background job did not get new pgroup: $pgrp1 $pgrp2"
# CHECK: background job correctly got new pgroup
rm $tmpfile1 $tmpfile2