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#!/usr/bin/env bash
test_description='atomicity'
. ./test-lib.sh
# This script tests the effects of killing and restarting "notmuch
# new" at arbitrary points. If notmuch new is properly atomic, the
# final database contents should be the same regardless of when (or
# if) it is killed and restarted.
if test_require_external_prereq gdb; then
# Create a maildir structure to also stress flag synchronization
mkdir $MAIL_DIR/cur
mkdir $MAIL_DIR/new
mkdir $MAIL_DIR/tmp
mkdir $MAIL_DIR/.remove-dir
# Prepare the initial database
generate_message [subject]='Duplicate' [filename]='duplicate:2,' [dir]=cur
generate_message [subject]='Remove' [filename]='remove:2,' [dir]=cur
generate_message [subject]='"Remove duplicate"' [filename]='remove-duplicate:2,' [dir]=cur
cp $MAIL_DIR/cur/remove-duplicate:2, $MAIL_DIR/cur/remove-duplicate-copy:2,
generate_message [subject]='Rename' [filename]='rename:2,' [dir]=cur
generate_message [subject]='"Rename duplicate"' [filename]='rename-duplicate:2,' [dir]=cur
generate_message [subject]='"Move 1"' [filename]='move1:2,' [dir]=cur
generate_message [subject]='"Move 2"' [filename]='move2:2,' [dir]=new
generate_message [subject]='Flag' [filename]='flag:2,' [dir]=cur
generate_message [subject]='"Flag duplicate"' [filename]='flag-duplicate:2,' [dir]=cur
cp $MAIL_DIR/cur/flag-duplicate:2, $MAIL_DIR/cur/flag-duplicate-copy:2,F
generate_message [subject]='"Remove directory"' [filename]='remove-directory:2,' [dir]=.remove-dir
generate_message [subject]='"Remove directory duplicate"' [filename]='remove-directory-duplicate:2,' [dir]=.remove-dir
cp $MAIL_DIR/.remove-dir/remove-directory-duplicate:2, $MAIL_DIR/cur/
notmuch new > /dev/null
# Make all maildir changes, but *don't* update the database
generate_message [subject]='Added' [filename]='added:2,' [dir]=cur
cp $MAIL_DIR/cur/duplicate:2, $MAIL_DIR/cur/duplicate-copy:2,
generate_message [subject]='"Add duplicate"' [filename]='add-duplicate:2,' [dir]=cur
generate_message [subject]='"Add duplicate copy"' [filename]='add-duplicate-copy:2,' [dir]=cur
rm $MAIL_DIR/cur/remove:2,
rm $MAIL_DIR/cur/remove-duplicate-copy:2,
mv $MAIL_DIR/cur/rename:2, $MAIL_DIR/cur/renamed:2,
mv $MAIL_DIR/cur/rename-duplicate:2, $MAIL_DIR/cur/renamed-duplicate:2,
mv $MAIL_DIR/cur/move1:2, $MAIL_DIR/new/move1:2,
mv $MAIL_DIR/new/move2:2, $MAIL_DIR/cur/move2:2,
mv $MAIL_DIR/cur/flag:2, $MAIL_DIR/cur/flag:2,F
rm $MAIL_DIR/cur/flag-duplicate-copy:2,F
rm $MAIL_DIR/.remove-dir/remove-directory:2,
rm $MAIL_DIR/.remove-dir/remove-directory-duplicate:2,
rmdir $MAIL_DIR/.remove-dir
# Prepare a snapshot of the updated maildir. The gdb script will
# update the database in this snapshot as it goes.
cp -a $MAIL_DIR $MAIL_DIR.snap
cp ${NOTMUCH_CONFIG} ${NOTMUCH_CONFIG}.snap
NOTMUCH_CONFIG=${NOTMUCH_CONFIG}.snap notmuch config set database.path $MAIL_DIR.snap
# Execute notmuch new and, at every call to rename, snapshot the
# database, run notmuch new again on the snapshot, and capture the
# results of search.
#
# -tty /dev/null works around a conflict between the 'timeout' wrapper
# and gdb's attempt to control the TTY.
export MAIL_DIR
gdb -tty /dev/null -batch -x $TEST_DIRECTORY/atomicity.gdb notmuch 1>gdb.out 2>&1
# Get the final, golden output
notmuch search '*' > expected
# Check output against golden output
outcount=$(cat outcount)
echo -n > searchall
echo -n > expectall
for ((i = 0; i < $outcount; i++)); do
if ! cmp -s search.$i expected; then
# Find the range of interruptions that match this output
for ((end = $i + 1 ; end < $outcount; end++)); do
if ! cmp -s search.$i search.$end; then
break
fi
done
echo "When interrupted after $test/backtrace.$(expr $i - 1) (abort points $i-$(expr $end - 1))" >> searchall
cat search.$i >> searchall
cat expected >> expectall
echo >> searchall
echo >> expectall
i=$(expr $end - 1)
fi
done
fi
test_begin_subtest '"notmuch new" is idempotent under arbitrary aborts'
test_expect_equal_file searchall expectall
test_expect_success "detected $outcount>10 abort points" "test $outcount -gt 10"
test_done
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