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b431e9b684
Python 2 had old style and new style classes. Python 3 has only new style classes. There is no point to subclass from object any more. See: https://pagure.io/freeipa/issue/7715 Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
#
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# Copyright (C) 2018 FreeIPA Contributors. See COPYING for license
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#
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import dns.name
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import dns.rdataclass
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import dns.rdatatype
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from dns.rdtypes.IN.SRV import SRV
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from dns.rdtypes.ANY.URI import URI
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from ipapython import dnsutil
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import pytest
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def mksrv(priority, weight, port, target):
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return SRV(
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rdclass=dns.rdataclass.IN,
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rdtype=dns.rdatatype.SRV,
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priority=priority,
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weight=weight,
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port=port,
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target=dns.name.from_text(target)
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)
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def mkuri(priority, weight, target):
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return URI(
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rdclass=dns.rdataclass.IN,
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rdtype=dns.rdatatype.URI,
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priority=priority,
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weight=weight,
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target=target
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)
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class TestSortSRV:
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def test_empty(self):
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assert dnsutil.sort_prio_weight([]) == []
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def test_one(self):
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h1 = mksrv(1, 0, 443, u"host1")
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assert dnsutil.sort_prio_weight([h1]) == [h1]
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h2 = mksrv(10, 5, 443, u"host2")
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assert dnsutil.sort_prio_weight([h2]) == [h2]
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def test_prio(self):
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h1 = mksrv(1, 0, 443, u"host1")
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h2 = mksrv(2, 0, 443, u"host2")
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h3 = mksrv(3, 0, 443, u"host3")
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assert dnsutil.sort_prio_weight([h3, h2, h1]) == [h1, h2, h3]
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assert dnsutil.sort_prio_weight([h3, h3, h3]) == [h3]
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assert dnsutil.sort_prio_weight([h2, h2, h1, h1]) == [h1, h2]
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h380 = mksrv(4, 0, 80, u"host3")
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assert dnsutil.sort_prio_weight([h1, h3, h380]) == [h1, h3, h380]
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hs = mksrv(-1, 0, 443, u"special")
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assert dnsutil.sort_prio_weight([h1, h2, hs]) == [hs, h1, h2]
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def assert_permutations(self, answers, permutations):
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seen = set()
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for _unused in range(1000):
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result = tuple(dnsutil.sort_prio_weight(answers))
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assert result in permutations
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seen.add(result)
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if seen == permutations:
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break
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else:
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pytest.fail("sorting didn't exhaust all permutations.")
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def test_sameprio(self):
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h1 = mksrv(1, 0, 443, u"host1")
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h2 = mksrv(1, 0, 443, u"host2")
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permutations = {
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(h1, h2),
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(h2, h1),
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}
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self.assert_permutations([h1, h2], permutations)
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def test_weight(self):
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h1 = mksrv(1, 0, 443, u"host1")
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h2_w15 = mksrv(2, 15, 443, u"host2")
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h3_w10 = mksrv(2, 10, 443, u"host3")
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permutations = {
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(h1, h2_w15, h3_w10),
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(h1, h3_w10, h2_w15),
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}
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self.assert_permutations([h1, h2_w15, h3_w10], permutations)
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def test_large(self):
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records = tuple(
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mksrv(1, i, 443, "host{}".format(i)) for i in range(1000)
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)
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assert len(dnsutil.sort_prio_weight(records)) == len(records)
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class TestSortURI:
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def test_prio(self):
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h1 = mkuri(1, 0, u"https://host1/api")
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h2 = mkuri(2, 0, u"https://host2/api")
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h3 = mkuri(3, 0, u"https://host3/api")
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assert dnsutil.sort_prio_weight([h3, h2, h1]) == [h1, h2, h3]
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assert dnsutil.sort_prio_weight([h3, h3, h3]) == [h3]
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assert dnsutil.sort_prio_weight([h2, h2, h1, h1]) == [h1, h2]
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