db: add database unit test stub

Makefile.am

@@ -112,6 +112,7 @@ unittest_sources = \
 	tests/unittests/xmpp/stub_message.c \
 	tests/unittests/ui/stub_ui.c tests/unittests/ui/stub_ui.h \
 	tests/unittests/log/stub_log.c \
+	tests/unittests/database/stub_database.c \
 	tests/unittests/config/stub_accounts.c \
 	tests/unittests/tools/stub_http_upload.c \
 	tests/unittests/helpers.c tests/unittests/helpers.h \

tests/unittests/database/stub_database.c

@@ -0,0 +1,31 @@
+/*
+ * stub_database.c
+ *
+ * Copyright (C) 2020 Michael Vetter <jubalh@iodoru.org>
+ *
+ * This file is part of Profanity.
+ *
+ * Profanity is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Profanity is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Profanity.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <glib.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include "database.h"
+
+gboolean log_database_init(ProfAccount *account) { return TRUE; }
+void log_database_add(ProfMessage *message, gboolean is_muc) {}
+void log_database_close(void) {}