+chmod a+x notmuch_fail
+test_emacs "(let ((notmuch-command \"$PWD/notmuch_fail\"))
+ (with-current-buffer \"*Messages*\" (erase-buffer))
+ (with-current-buffer (get-buffer-create \"*Notmuch errors*\")
+ (erase-buffer))
+ (notmuch-search \"tag:inbox\")
+ (notmuch-test-wait)
+ (with-current-buffer \"*Messages*\"
+ (test-output \"MESSAGES\"))
+ (with-current-buffer \"*Notmuch errors*\"
+ (test-output \"ERROR\"))
+ (test-output))"
+
+test_expect_equal "$(notmuch_emacs_error_sanitize notmuch_fail OUTPUT MESSAGES ERROR)" "\
+=== OUTPUT ===
+End of search results.
+=== MESSAGES ===
+YYY/notmuch_fail exited with status 1 (see *Notmuch errors* for more details)
+=== ERROR ===
+[XXX]
+YYY/notmuch_fail exited with status 1
+command: YYY/notmuch_fail search --format\=sexp --format-version\=2 --sort\=newest-first tag\:inbox
+exit status: 1"
+
+test_begin_subtest "Search handles subprocess warnings"
+cat > notmuch_fail <<EOF
+#!/bin/sh
+echo '()'
+echo This is a warning >&2
+echo This is another warning >&2
+exit 0
+EOF
+chmod a+x notmuch_fail
+test_emacs "(let ((notmuch-command \"$PWD/notmuch_fail\"))
+ (with-current-buffer \"*Messages*\" (erase-buffer))
+ (with-current-buffer (get-buffer-create \"*Notmuch errors*\")
+ (erase-buffer))
+ (notmuch-search \"tag:inbox\")
+ (notmuch-test-wait)
+ (with-current-buffer \"*Messages*\"
+ (test-output \"MESSAGES\"))
+ (with-current-buffer \"*Notmuch errors*\"
+ (test-output \"ERROR\"))
+ (test-output))"
+sed -i -e 's/^\[.*\]$/[XXX]/' ERROR
+test_expect_equal "$(cat OUTPUT; echo ---; cat MESSAGES; echo ---; cat ERROR)" "\
+End of search results.
+---
+This is a warning (see *Notmuch errors* for more details)
+---
+[XXX]
+This is a warning
+This is another warning"
+
+test_begin_subtest "Search thread tag operations are race-free"
+add_message '[subject]="Search race test"'
+gen_msg_id_1=$gen_msg_id
+generate_message '[in-reply-to]="<'$gen_msg_id_1'>"' \
+ '[references]="<'$gen_msg_id_1'>"' \
+ '[subject]="Search race test two"'
+test_emacs '(notmuch-search "subject:\"search race test\"")
+ (notmuch-test-wait)
+ (notmuch-poll)
+ (execute-kbd-macro "+search-thread-race-tag")'
+output=$(notmuch search --output=messages 'tag:search-thread-race-tag')
+test_expect_equal "$output" "id:$gen_msg_id_1"
+
+test_begin_subtest "Search global tag operations are race-free"
+generate_message '[in-reply-to]="<'$gen_msg_id_1'>"' \
+ '[references]="<'$gen_msg_id_1'>"' \
+ '[subject]="Re: Search race test"'
+test_emacs '(notmuch-search "subject:\"search race test\" -subject:two")
+ (notmuch-test-wait)
+ (notmuch-poll)
+ (execute-kbd-macro "*+search-global-race-tag")'
+output=$(notmuch search --output=messages 'tag:search-global-race-tag')
+test_expect_equal "$output" "id:$gen_msg_id_1"