178 lines
6.1 KiB
Python
178 lines
6.1 KiB
Python
"""
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Tests for dnstools module.
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"""
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import pytest
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from ..dnstools import add, delete, update, query_ns, parse_name, update_ns, SameIpError
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from django.conf import settings
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BASEDOMAIN = settings.BASEDOMAIN
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from dns.resolver import NXDOMAIN
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class TestIntelligentUpdater(object):
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def test_double_update(self):
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host, ip = 'test0.' + settings.BASEDOMAIN, '1.2.3.4'
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# make sure the host is not there
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try:
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update_ns(host, 'A', action='del')
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except NXDOMAIN:
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# it is ok if it was never there
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pass
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# first update with this IP, should work without issue:
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update(host, ip)
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assert query_ns(host, 'A') == ip
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with pytest.raises(SameIpError):
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# trying to update again with same IP should raise
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update(host, ip)
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class TestIntelligentAdder(object):
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def test_double_add_same(self):
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host, ip = 'test0.' + settings.BASEDOMAIN, '1.2.3.4'
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# make sure the host is not there
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try:
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update_ns(host, 'A', action='del')
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except NXDOMAIN:
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# it is ok if it was never there
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pass
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# first add with this IP, should work without issue:
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add(host, ip)
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assert query_ns(host, 'A') == ip
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with pytest.raises(SameIpError):
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# trying to add again with same IP should raise
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add(host, ip)
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def test_double_add_different(self):
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host, ip = 'test0.' + settings.BASEDOMAIN, '1.2.3.4'
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# make sure the host is not there
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try:
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update_ns(host, 'A', action='del')
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except NXDOMAIN:
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# it is ok if it was never there
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pass
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# first add with this IP, should work without issue:
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add(host, ip)
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assert query_ns(host, 'A') == ip
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different_ip = '4.3.2.1'
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# trying to add again with same IP should raise
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add(host, different_ip) # internally triggers an update
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assert query_ns(host, 'A') == different_ip
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class TestIntelligentDeleter(object):
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def test_delete(self):
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host, ip = 'test0.' + settings.BASEDOMAIN, '1.2.3.4'
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# make sure the host is there
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update_ns(host, 'A', ip, action='add')
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delete(host)
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# make sure it is gone
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with pytest.raises(NXDOMAIN):
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query_ns(host, 'A')
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def test_double_delete(self):
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host = 'test0.' + settings.BASEDOMAIN
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# make sure the host is not there
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try:
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update_ns(host, 'A', action='del')
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except NXDOMAIN:
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# it is ok if it was never there
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pass
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delete(host) # hmm, this doesn't raise NXDOMAIN!?
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class TestQuery(object):
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def test_queries_ok(self):
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assert query_ns(settings.WWW_IPV4_HOST, 'A') == settings.WWW_IPV4_IP # v4 ONLY
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assert query_ns(settings.WWW_IPV6_HOST, 'AAAA') == settings.WWW_IPV6_IP # v6 ONLY
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assert query_ns(settings.WWW_HOST, 'A') == settings.WWW_IPV4_IP # v4 and v6, query v4
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assert query_ns(settings.WWW_HOST, 'AAAA') == settings.WWW_IPV6_IP # v4 and v6, query v6
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def test_queries_failing(self):
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with pytest.raises(NXDOMAIN):
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query_ns(settings.NONEXISTING_HOST, 'A')
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with pytest.raises(NXDOMAIN):
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query_ns(settings.NONEXISTING_HOST, 'AAAA')
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class TestUpdate(object):
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def test_parse1(self):
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origin, relname = parse_name('foo.' + BASEDOMAIN)
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assert str(origin) == BASEDOMAIN + '.'
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assert str(relname) == 'foo'
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def test_parse2(self):
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origin, relname = parse_name('foo.bar.' + BASEDOMAIN)
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assert str(origin) == BASEDOMAIN + '.'
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assert str(relname) == 'foo.bar'
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def test_parse_with_origin(self):
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origin, relname = parse_name('foo.bar.baz.org', 'bar.baz.org')
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assert str(origin) == 'bar.baz.org' + '.'
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assert str(relname) == 'foo'
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def test_add_del_v4(self):
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host, ip = 'test1.' + BASEDOMAIN, '1.1.1.1'
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response = update_ns(host, 'A', ip, action='add', ttl=60)
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print response
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assert query_ns(host, 'A') == ip
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response = update_ns(host, 'A', action='del')
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print response
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with pytest.raises(NXDOMAIN):
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query_ns(host, 'A') == ip
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def test_update_v4(self):
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host, ip = 'test2.' + BASEDOMAIN, '2.2.2.2'
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response = update_ns(host, 'A', ip, action='upd', ttl=60)
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print response
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assert query_ns(host, 'A') == ip
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host, ip = 'test2.' + BASEDOMAIN, '3.3.3.3'
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response = update_ns(host, 'A', ip, action='upd', ttl=60)
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print response
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assert query_ns(host, 'A') == ip
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def test_add_del_v6(self):
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host, ip = 'test3.' + BASEDOMAIN, '::1'
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response = update_ns(host, 'AAAA', ip, action='add', ttl=60)
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print response
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assert query_ns(host, 'AAAA') == ip
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response = update_ns(host, 'AAAA', action='del')
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print response
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with pytest.raises(NXDOMAIN):
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query_ns(host, 'AAAA') == ip
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def test_update_v6(self):
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host, ip = 'test4.' + BASEDOMAIN, '::2'
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response = update_ns(host, 'AAAA', ip, action='upd', ttl=60)
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print response
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assert query_ns(host, 'AAAA') == ip
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host, ip = 'test4.' + BASEDOMAIN, '::3'
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response = update_ns(host, 'AAAA', ip, action='upd', ttl=60)
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print response
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assert query_ns(host, 'AAAA') == ip
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def test_update_mixed(self):
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host4, ip4 = 'test5.' + BASEDOMAIN, '4.4.4.4'
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response = update_ns(host4, 'A', ip4, action='upd', ttl=60)
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print response
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assert query_ns(host4, 'A') == ip4
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host6, ip6 = 'test5.' + BASEDOMAIN, '::4'
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response = update_ns(host6, 'AAAA', ip6, action='upd', ttl=60)
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print response
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assert query_ns(host6, 'AAAA') == ip6
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# make sure the v4 is unchanged
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assert query_ns(host4, 'A') == ip4
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host4, ip4 = 'test5.' + BASEDOMAIN, '5.5.5.5'
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response = update_ns(host4, 'A', ip4, action='upd', ttl=60)
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print response
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assert query_ns(host4, 'A') == ip4
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# make sure the v6 is unchanged
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assert query_ns(host6, 'AAAA') == ip6
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