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https://git.notmuchmail.org/git/notmuch
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124 lines
3.4 KiB
Bash
Executable file
124 lines
3.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Copyright (c) 2016 Daniel Kahn Gillmor
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#
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test_description='thread breakage during reindexing'
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# notmuch uses ghost documents to track messages we have seen references
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# to but have never seen. Regardless of the order of delivery, message
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# deletion, and reindexing, the list of ghost messages for a given
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# stored corpus should not vary, so that threads can be reassmebled
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# cleanly.
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#
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# In practice, we accept a small amount of variation (and therefore
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# traffic pattern metadata leakage to be stored in the index) for the
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# sake of efficiency.
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#
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# This test also embeds some subtests to ensure that indexing actually
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# works properly and attempted fixes to threading issues do not break
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# the expected contents of the index.
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. $(dirname "$0")/test-lib.sh || exit 1
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message_a() {
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mkdir -p ${MAIL_DIR}/cur
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cat > ${MAIL_DIR}/cur/a <<EOF
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Subject: First message
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Message-ID: <a@example.net>
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From: Alice <alice@example.net>
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To: Bob <bob@example.net>
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Date: Thu, 31 Mar 2016 20:10:00 -0400
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This is the first message in the thread.
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Apple
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EOF
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}
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message_b() {
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mkdir -p ${MAIL_DIR}/cur
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cat > ${MAIL_DIR}/cur/b <<EOF
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Subject: Second message
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Message-ID: <b@example.net>
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In-Reply-To: <a@example.net>
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References: <a@example.net>
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From: Bob <bob@example.net>
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To: Alice <alice@example.net>
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Date: Thu, 31 Mar 2016 20:15:00 -0400
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This is the second message in the thread.
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Banana
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EOF
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}
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test_content_count() {
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test_begin_subtest "${3:-looking for $2 instance of '$1'}"
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count=$(notmuch count --output=threads "$1")
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test_expect_equal "$count" "$2"
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}
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test_thread_count() {
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test_begin_subtest "${2:-Expecting $1 thread(s)}"
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count=$(notmuch count --output=threads)
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test_expect_equal "$count" "$1"
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}
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test_ghost_count() {
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test_begin_subtest "${2:-Expecting $1 ghosts(s)}"
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ghosts=$($NOTMUCH_BUILDDIR/test/ghost-report ${MAIL_DIR}/.notmuch/xapian)
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test_expect_equal "$ghosts" "$1"
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}
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notmuch new >/dev/null
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test_thread_count 0 'There should be no threads initially'
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test_ghost_count 0 'There should be no ghosts initially'
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message_a
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notmuch new >/dev/null
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test_thread_count 1 'One message in: one thread'
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test_content_count apple 1
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test_content_count banana 0
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test_ghost_count 0
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message_b
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notmuch new >/dev/null
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test_thread_count 1 'Second message in the same thread: one thread'
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test_content_count apple 1
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test_content_count banana 1
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test_ghost_count 0
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rm -f ${MAIL_DIR}/cur/a
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notmuch new >/dev/null
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test_thread_count 1 'First message removed: still only one thread'
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test_content_count apple 0
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test_content_count banana 1
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test_ghost_count 1 'should be one ghost after first message removed'
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message_a
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notmuch new >/dev/null
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test_thread_count 1 'First message reappears: should return to the same thread'
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test_content_count apple 1
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test_content_count banana 1
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test_ghost_count 0
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rm -f ${MAIL_DIR}/cur/b
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notmuch new >/dev/null
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test_thread_count 1 'Removing second message: still only one thread'
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test_content_count apple 1
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test_content_count banana 0
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test_begin_subtest 'No ghosts should remain after deletion of second message'
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# this is known to fail; we are leaking ghost messages deliberately
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test_subtest_known_broken
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ghosts=$($NOTMUCH_BUILDDIR/test/ghost-report ${MAIL_DIR}/.notmuch/xapian)
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test_expect_equal "$ghosts" "0"
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rm -f ${MAIL_DIR}/cur/a
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notmuch new >/dev/null
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test_thread_count 0 'All messages gone: no threads'
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test_content_count apple 0
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test_content_count banana 0
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test_ghost_count 0 'No ghosts should remain after full thread deletion'
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test_done
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