#!/usr/bin/env bash
test_description="database upgrade"
-. ./test-lib.sh
+. ./test-lib.sh || exit 1
dbtarball=database-v1.tar.xz
Welcome to a new version of notmuch! Your database will now be upgraded.
This process is safe to interrupt.
Backing up tags to FILENAME
-Your notmuch database has now been upgraded to database format version 2.
+Your notmuch database has now been upgraded.
No new mail."
test_begin_subtest "tag backup matches pre-upgrade dump"
MAIL_DIR/bar/new/22:2,
MAIL_DIR/cur/51:2,"
+# Ghost messages are difficult to test since they're nearly invisible.
+# However, if the upgrade works correctly, the ghost message should
+# retain the right thread ID even if all of the original messages in
+# the thread are deleted. That's what we test. This won't detect if
+# the upgrade just plain didn't happen, but it should detect if
+# something went wrong.
+test_begin_subtest "ghost message retains thread ID"
+# Upgrade database
+notmuch new
+# Get thread ID of real message
+thread=$(notmuch search --output=threads id:4EFC743A.3060609@april.org)
+# Delete all real messages in that thread
+rm $(notmuch search --output=files $thread)
+notmuch new
+# "Deliver" ghost message
+add_message '[subject]=Ghost' '[id]=4EFC3931.6030007@april.org'
+# If the ghost upgrade worked, the new message should be attached to
+# the existing thread ID.
+nthread=$(notmuch search --output=threads id:4EFC3931.6030007@april.org)
+test_expect_equal "$thread" "$nthread"
+
test_done