diff options
Diffstat (limited to 'tests/tail-2/truncate.sh')
-rwxr-xr-x | tests/tail-2/truncate.sh | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tests/tail-2/truncate.sh b/tests/tail-2/truncate.sh new file mode 100755 index 0000000..3780691 --- /dev/null +++ b/tests/tail-2/truncate.sh @@ -0,0 +1,56 @@ +#!/bin/sh +# Ensure all logs are output upon file truncation + +# Copyright (C) 2015-2018 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ tail + +check_tail_output() +{ + local delay="$1" + grep "$tail_re" out > /dev/null || + { sleep $delay; return 1; } +} + +# Terminate any background tail process +cleanup_() { kill $pid 2>/dev/null && wait $pid; } + +# Speedup the non inotify case +fastpoll='-s.1 --max-unchanged-stats=1' + +for follow in '-f' '-F'; do + for mode in '' '---disable-inotify'; do + rm -f out + seq 10 > f || framework_failure_ + + tail $follow $mode $fastpoll f > out 2>&1 & pid=$! + + # Wait up to 12.7s for tail to start + tail_re='^10$' retry_delay_ check_tail_output .1 7 || + { cat out; fail=1; } + + seq 11 15 > f || framework_failure_ + + # Wait up to 12.7s for new data + tail_re='^15$' retry_delay_ check_tail_output .1 7 || + { cat out; fail=1; } + + cleanup_ + done +done + +Exit $fail |