unittest: zone timers test outline.

tests/zone_timers.c

+/*  Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program 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.
+
+    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <time.h>
+#include <tap/basic.h>
+
+#include "libknot/common.h"
+#include "common/namedb/namedb.h"
+#include "knot/zone/timers.h"
+#include "knot/zone/zone.h"
+#include "knot/zone/events/events.h"
+
+#define SLIP (1024 * 1024)
+static const size_t REFRESH_SLIP = SLIP;
+static const size_t EXPIRE_SLIP = SLIP + 1;
+static const size_t FLUSH_SLIP = SLIP + 2;
+
+int main(int argc, char *argv[])
+{
+	plan_lazy();
+
+	// Temporary DB identifier.
+	char dbid_buf[] = "/tmp/timerdb.XXXXXX";
+	const char *dbid = mkdtemp(dbid_buf);
+	
+	// Mockup zone.
+	conf_zone_t zone_conf = { .name = "test." };
+	zone_t *zone = zone_new(&zone_conf);
+	assert(zone);
+
+	knot_namedb_t *db = open_timers_db(dbid);
+	ok(db != NULL, "zone timers: create");
+
+	// Set up events in the future.
+	const time_t now = time(NULL);
+	const time_t REFRESH_TIME = now + REFRESH_SLIP;
+	const time_t EXPIRE_TIME = now + EXPIRE_SLIP;
+	const time_t FLUSH_TIME = now + FLUSH_SLIP;
+
+	// Refresh, expire and flush are the permanent events for now.
+	zone_events_schedule_at(zone, ZONE_EVENT_REFRESH, REFRESH_TIME);
+	zone_events_schedule_at(zone, ZONE_EVENT_EXPIRE, EXPIRE_TIME);
+	zone_events_schedule_at(zone, ZONE_EVENT_FLUSH, FLUSH_TIME);
+
+	// Write the timers.
+	int ret = write_zone_timers(db, zone);
+	ok(ret == KNOT_EOK, "zone timers: write");
+
+	// Read the timers.
+	time_t timers[ZONE_EVENT_COUNT];
+	ret = read_zone_timers(db, zone, timers);
+	ok(ret == KNOT_EOK &&
+	   timers[ZONE_EVENT_REFRESH] == REFRESH_TIME &&
+	   timers[ZONE_EVENT_EXPIRE] == EXPIRE_TIME &&
+	   timers[ZONE_EVENT_FLUSH] == FLUSH_TIME, "zone timers: read");
+
+	// Clean up.
+	zone->conf = NULL;
+	zone_free(&zone);
+	close_timers_db(db);
+
+	return EXIT_SUCCESS;
+}
+