#!/usr/bin/env python3
'''Test for response to IXFR request with newer serial'''
from dnstest.utils import *
from dnstest.test import Test
t = Test()
knot = t.server("knot")
zone = t.zone("example.com.")
t.link(zone, knot, ixfr=True)
t.start()
serial_init = knot.zone_wait(zone)
resp = knot.dig("example.com", "IXFR", serial=serial_init + 1)
resp.check_xfr()
compare(resp.msg_count(), 1, "Only one message")
compare(resp.count("SOA"), 1, "Only one RR in Answer section")
compare(resp.count("ANY"), 1, "Only one RR in the whole message.")
t.end()
slave = t.server("bind")
zones = t.zone_rnd(5, records=50) + t.zone("wild.") + \
t.zone("cname-loop.") + t.zone("records.")
t.link(zones, master, slave, ixfr=True)
t.start()
# Wait for AXFR to slave server.
serials_init = master.zones_wait(zones)
slave.zones_wait(zones)
serials_prev = serials_init
for i in range(4):
# Update zone files on master.
for zone in zones:
master.update_zonefile(zone, random=True)
master.reload()
t.sleep(5)
# Wait for IXFR to slave.
serials = master.zones_wait(zones, serials_prev)
slave.zones_wait(zones, serials_prev)
serials_prev = serials
# Compare IXFR between servers.
t.xfr_diff(master, slave, zones, serials_init)
t.end()
