From a942cb8ee3f0e20d6cd72d25c432467a5ebfe93c Mon Sep 17 00:00:00 2001
From: David Bremner <david@tethera.net>
Date: Sat, 23 Oct 2021 10:22:33 -0300
Subject: [PATCH] test: add two known broken tests for missing config files

The documentation claims that the database will be set to NULL in this
case, but it is currently not happening. Based on a reproducer [1]
from Austin Ray.

[1]: id:20211021190401.imirxau2ewke6e2m@athena
---
 test/T590-libconfig.sh | 43 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/test/T590-libconfig.sh b/test/T590-libconfig.sh
index a9566c13..79bf5805 100755
--- a/test/T590-libconfig.sh
+++ b/test/T590-libconfig.sh
@@ -849,4 +849,47 @@ zzzafter afterval
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
+cat <<EOF > c_head3
+#include <notmuch-test.h>
+int main (int argc, char **argv) {
+  notmuch_status_t stat;
+  notmuch_database_t *db = NULL;
+EOF
+
+cat <<EOF > c_tail3
+  printf("db == NULL: %d\n", db == NULL);
+}
+EOF
+
+test_begin_subtest "open: database set to null on missing config"
+test_subtest_known_broken
+cat c_head3 - c_tail3 <<'EOF' | test_C ${MAIL_DIR}
+  notmuch_status_t st = notmuch_database_open_with_config(argv[1],
+							  NOTMUCH_DATABASE_MODE_READ_ONLY,
+							  "/nonexistent", NULL, &db, NULL);
+EOF
+cat <<EOF> EXPECTED
+== stdout ==
+db == NULL: 1
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "open: database set to null on missing config (env)"
+test_subtest_known_broken
+old_NOTMUCH_CONFIG=${NOTMUCH_CONFIG}
+NOTMUCH_CONFIG="/nonexistent"
+cat c_head3 - c_tail3 <<'EOF' | test_C ${MAIL_DIR}
+  notmuch_status_t st = notmuch_database_open_with_config(argv[1],
+							  NOTMUCH_DATABASE_MODE_READ_ONLY,
+							  NULL, NULL, &db, NULL);
+EOF
+NOTMUCH_CONFIG=${old_NOTMUCH_CONFIG}
+cat <<EOF> EXPECTED
+== stdout ==
+db == NULL: 1
+== stderr ==
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
 test_done
-- 
2.43.0