test: Test upgrade to ghost messages feature

[notmuch] / test / T530-upgrade.sh

diff --git a/test/T530-upgrade.sh b/test/T530-upgrade.sh
index 67bbf319a1b7b271212fa6e0d7b74794d293ac07..6b42a690fa9002573ef9639167d757987223281b 100755 (executable)
--- a/test/T530-upgrade.sh
+++ b/test/T530-upgrade.sh
@@ -25,13 +25,21 @@ test_begin_subtest "path: search does not work with old database version"
 output=$(notmuch search path:foo)
 test_expect_equal "$output" ""
 
+test_expect_success 'pre upgrade dump' 'notmuch dump | sort > pre-upgrade-dump'
+
 test_begin_subtest "database upgrade from format version 1"
-output=$(notmuch new)
+output=$(notmuch new | sed -e 's/^Backing up tags to .*$/Backing up tags to FILENAME/')
 test_expect_equal "$output" "\
 Welcome to a new version of notmuch! Your database will now be upgraded.
-Your notmuch database has now been upgraded to database format version 2.
+This process is safe to interrupt.
+Backing up tags to FILENAME
+Your notmuch database has now been upgraded.
 No new mail."
 
+test_begin_subtest "tag backup matches pre-upgrade dump"
+gunzip -c ${MAIL_DIR}/.notmuch/dump-*.gz | sort > backup-dump
+test_expect_equal_file pre-upgrade-dump backup-dump
+
 test_begin_subtest "folder: no longer matches in the middle of path"
 output=$(notmuch search folder:baz)
 test_expect_equal "$output" ""
@@ -108,4 +116,25 @@ MAIL_DIR/bar/new/21:2,
 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