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selftest: Test behaviour of DNS scavenge with an existing dNSTombstoned value

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=14258

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Feb  6 16:24:25 UTC 2020 on sn-devel-184
This commit is contained in:
Andrew Bartlett
2020-01-30 16:44:05 +13:00
committed by Stefan Metzmacher
parent 3657bbc211
commit c8e3c78d4f
1 changed files with 39 additions and 0 deletions
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39
python/samba/tests/dns.py
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@ -1523,26 +1523,51 @@ class TestZones(DNSTest):
name, txt = 'agingtest', ['test txt']
name2, txt2 = 'agingtest2', ['test txt2']
name3, txt3 = 'agingtest3', ['test txt3']
name4, txt4 = 'agingtest4', ['test txt4']
name5, txt5 = 'agingtest5', ['test txt5']
self.dns_update_record(name, txt)
self.dns_update_record(name2, txt)
self.dns_update_record(name2, txt2)
self.dns_update_record(name3, txt)
self.dns_update_record(name3, txt2)
# Create a tomb stoned record.
self.dns_update_record(name4, txt4)
self.dns_tombstone(name4, txt4, self.zone)
records = self.ldap_get_records(name4)
self.assertTrue("dNSTombstoned" in records[0])
self.assertEqual(records[0]["dNSTombstoned"][0], b"TRUE")
# Create an un-tombstoned record, with dnsTombstoned: FALSE
self.dns_update_record(name5, txt5)
self.dns_tombstone(name5, txt5, self.zone)
self.dns_update_record(name5, txt5)
records = self.ldap_get_records(name5)
self.assertTrue("dNSTombstoned" in records[0])
self.assertEqual(records[0]["dNSTombstoned"][0], b"FALSE")
last_add = self.dns_update_record(name3, txt3)
def mod_ts(rec):
self.assertTrue(rec.dwTimeStamp > 0)
if rec.data.str == txt:
rec.dwTimeStamp -= interval * 5
def mod_ts_all(rec):
rec.dwTimeStamp -= interval * 5
self.ldap_modify_dnsrecs(name, mod_ts)
self.ldap_modify_dnsrecs(name2, mod_ts)
self.ldap_modify_dnsrecs(name3, mod_ts)
self.ldap_modify_dnsrecs(name5, mod_ts_all)
self.assertTrue(callable(getattr(dsdb, '_scavenge_dns_records', None)))
dsdb._scavenge_dns_records(self.samdb)
recs = self.ldap_get_dns_records(name)
self.assertEqual(len(recs), 1)
self.assertEqual(recs[0].wType, dnsp.DNS_TYPE_TOMBSTONE)
records = self.ldap_get_records(name)
self.assertTrue("dNSTombstoned" in records[0])
self.assertEqual(records[0]["dNSTombstoned"][0], b"TRUE")
recs = self.ldap_get_dns_records(name2)
self.assertEqual(len(recs), 1)
@ -1556,6 +1581,20 @@ class TestZones(DNSTest):
self.assertEqual(recs[0].wType, dnsp.DNS_TYPE_TXT)
self.assertEqual(recs[1].wType, dnsp.DNS_TYPE_TXT)
recs = self.ldap_get_dns_records(name4)
self.assertEqual(len(recs), 1)
self.assertEqual(recs[0].wType, dnsp.DNS_TYPE_TOMBSTONE)
records = self.ldap_get_records(name4)
self.assertTrue("dNSTombstoned" in records[0])
self.assertEqual(records[0]["dNSTombstoned"][0], b"TRUE")
recs = self.ldap_get_dns_records(name5)
self.assertEqual(len(recs), 1)
self.assertEqual(recs[0].wType, dnsp.DNS_TYPE_TOMBSTONE)
records = self.ldap_get_records(name5)
self.assertTrue("dNSTombstoned" in records[0])
self.assertEqual(records[0]["dNSTombstoned"][0], b"TRUE")
for make_it_work in [False, True]:
inc = -1 if make_it_work else 1