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