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-rw-r--r--tests/test_name.py697
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diff --git a/tests/test_name.py b/tests/test_name.py
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+++ b/tests/test_name.py
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+# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
+#
+# Permission to use, copy, modify, and distribute this software and its
+# documentation for any purpose with or without fee is hereby granted,
+# provided that the above copyright notice and this permission notice
+# appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import unittest
+
+import cStringIO
+import socket
+
+import dns.name
+import dns.reversename
+import dns.e164
+
+class NameTestCase(unittest.TestCase):
+ def setUp(self):
+ self.origin = dns.name.from_text('example.')
+
+ def testFromTextRel1(self):
+ n = dns.name.from_text('foo.bar')
+ self.failUnless(n.labels == ('foo', 'bar', ''))
+
+ def testFromTextRel2(self):
+ n = dns.name.from_text('foo.bar', origin=self.origin)
+ self.failUnless(n.labels == ('foo', 'bar', 'example', ''))
+
+ def testFromTextRel3(self):
+ n = dns.name.from_text('foo.bar', origin=None)
+ self.failUnless(n.labels == ('foo', 'bar'))
+
+ def testFromTextRel4(self):
+ n = dns.name.from_text('@', origin=None)
+ self.failUnless(n == dns.name.empty)
+
+ def testFromTextRel5(self):
+ n = dns.name.from_text('@', origin=self.origin)
+ self.failUnless(n == self.origin)
+
+ def testFromTextAbs1(self):
+ n = dns.name.from_text('foo.bar.')
+ self.failUnless(n.labels == ('foo', 'bar', ''))
+
+ def testTortureFromText(self):
+ good = [
+ r'.',
+ r'a',
+ r'a.',
+ r'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
+ r'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
+ r'\000.\008.\010.\032.\046.\092.\099.\255',
+ r'\\',
+ r'\..\.',
+ r'\\.\\',
+ r'!"#%&/()=+-',
+ r'\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255',
+ ]
+ bad = [
+ r'..',
+ r'.a',
+ r'\\..',
+ '\\', # yes, we don't want the 'r' prefix!
+ r'\0',
+ r'\00',
+ r'\00Z',
+ r'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
+ r'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
+ r'\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255.\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255\255',
+ ]
+ for t in good:
+ try:
+ n = dns.name.from_text(t)
+ except:
+ self.fail("good test '%s' raised an exception" % t)
+ for t in bad:
+ caught = False
+ try:
+ n = dns.name.from_text(t)
+ except:
+ caught = True
+ if not caught:
+ self.fail("bad test '%s' did not raise an exception" % t)
+
+ def testImmutable1(self):
+ def bad():
+ self.origin.labels = ()
+ self.failUnlessRaises(TypeError, bad)
+
+ def testImmutable2(self):
+ def bad():
+ self.origin.labels[0] = 'foo'
+ self.failUnlessRaises(TypeError, bad)
+
+ def testAbs1(self):
+ self.failUnless(dns.name.root.is_absolute())
+
+ def testAbs2(self):
+ self.failUnless(not dns.name.empty.is_absolute())
+
+ def testAbs3(self):
+ self.failUnless(self.origin.is_absolute())
+
+ def testAbs3(self):
+ n = dns.name.from_text('foo', origin=None)
+ self.failUnless(not n.is_absolute())
+
+ def testWild1(self):
+ n = dns.name.from_text('*.foo', origin=None)
+ self.failUnless(n.is_wild())
+
+ def testWild2(self):
+ n = dns.name.from_text('*a.foo', origin=None)
+ self.failUnless(not n.is_wild())
+
+ def testWild3(self):
+ n = dns.name.from_text('a.*.foo', origin=None)
+ self.failUnless(not n.is_wild())
+
+ def testWild4(self):
+ self.failUnless(not dns.name.root.is_wild())
+
+ def testWild5(self):
+ self.failUnless(not dns.name.empty.is_wild())
+
+ def testHash1(self):
+ n1 = dns.name.from_text('fOo.COM')
+ n2 = dns.name.from_text('foo.com')
+ self.failUnless(hash(n1) == hash(n2))
+
+ def testCompare1(self):
+ n1 = dns.name.from_text('a')
+ n2 = dns.name.from_text('b')
+ self.failUnless(n1 < n2)
+ self.failUnless(n2 > n1)
+
+ def testCompare2(self):
+ n1 = dns.name.from_text('')
+ n2 = dns.name.from_text('b')
+ self.failUnless(n1 < n2)
+ self.failUnless(n2 > n1)
+
+ def testCompare3(self):
+ self.failUnless(dns.name.empty < dns.name.root)
+ self.failUnless(dns.name.root > dns.name.empty)
+
+ def testCompare4(self):
+ self.failUnless(dns.name.root != 1)
+
+ def testCompare5(self):
+ self.failUnless(dns.name.root < 1 or dns.name.root > 1)
+
+ def testSubdomain1(self):
+ self.failUnless(not dns.name.empty.is_subdomain(dns.name.root))
+
+ def testSubdomain2(self):
+ self.failUnless(not dns.name.root.is_subdomain(dns.name.empty))
+
+ def testSubdomain3(self):
+ n = dns.name.from_text('foo', origin=self.origin)
+ self.failUnless(n.is_subdomain(self.origin))
+
+ def testSubdomain4(self):
+ n = dns.name.from_text('foo', origin=self.origin)
+ self.failUnless(n.is_subdomain(dns.name.root))
+
+ def testSubdomain5(self):
+ n = dns.name.from_text('foo', origin=self.origin)
+ self.failUnless(n.is_subdomain(n))
+
+ def testSuperdomain1(self):
+ self.failUnless(not dns.name.empty.is_superdomain(dns.name.root))
+
+ def testSuperdomain2(self):
+ self.failUnless(not dns.name.root.is_superdomain(dns.name.empty))
+
+ def testSuperdomain3(self):
+ n = dns.name.from_text('foo', origin=self.origin)
+ self.failUnless(self.origin.is_superdomain(n))
+
+ def testSuperdomain4(self):
+ n = dns.name.from_text('foo', origin=self.origin)
+ self.failUnless(dns.name.root.is_superdomain(n))
+
+ def testSuperdomain5(self):
+ n = dns.name.from_text('foo', origin=self.origin)
+ self.failUnless(n.is_superdomain(n))
+
+ def testCanonicalize1(self):
+ n = dns.name.from_text('FOO.bar', origin=self.origin)
+ c = n.canonicalize()
+ self.failUnless(c.labels == ('foo', 'bar', 'example', ''))
+
+ def testToText1(self):
+ n = dns.name.from_text('FOO.bar', origin=self.origin)
+ t = n.to_text()
+ self.failUnless(t == 'FOO.bar.example.')
+
+ def testToText2(self):
+ n = dns.name.from_text('FOO.bar', origin=self.origin)
+ t = n.to_text(True)
+ self.failUnless(t == 'FOO.bar.example')
+
+ def testToText3(self):
+ n = dns.name.from_text('FOO.bar', origin=None)
+ t = n.to_text()
+ self.failUnless(t == 'FOO.bar')
+
+ def testToText4(self):
+ t = dns.name.empty.to_text()
+ self.failUnless(t == '@')
+
+ def testToText5(self):
+ t = dns.name.root.to_text()
+ self.failUnless(t == '.')
+
+ def testToText6(self):
+ n = dns.name.from_text('FOO bar', origin=None)
+ t = n.to_text()
+ self.failUnless(t == r'FOO\032bar')
+
+ def testToText7(self):
+ n = dns.name.from_text(r'FOO\.bar', origin=None)
+ t = n.to_text()
+ self.failUnless(t == r'FOO\.bar')
+
+ def testToText8(self):
+ n = dns.name.from_text(r'\070OO\.bar', origin=None)
+ t = n.to_text()
+ self.failUnless(t == r'FOO\.bar')
+
+ def testSlice1(self):
+ n = dns.name.from_text(r'a.b.c.', origin=None)
+ s = n[:]
+ self.failUnless(s == ('a', 'b', 'c', ''))
+
+ def testSlice2(self):
+ n = dns.name.from_text(r'a.b.c.', origin=None)
+ s = n[:2]
+ self.failUnless(s == ('a', 'b'))
+
+ def testSlice3(self):
+ n = dns.name.from_text(r'a.b.c.', origin=None)
+ s = n[2:]
+ self.failUnless(s == ('c', ''))
+
+ def testEmptyLabel1(self):
+ def bad():
+ n = dns.name.Name(['a', '', 'b'])
+ self.failUnlessRaises(dns.name.EmptyLabel, bad)
+
+ def testEmptyLabel2(self):
+ def bad():
+ n = dns.name.Name(['', 'b'])
+ self.failUnlessRaises(dns.name.EmptyLabel, bad)
+
+ def testEmptyLabel3(self):
+ n = dns.name.Name(['b', ''])
+ self.failUnless(n)
+
+ def testLongLabel(self):
+ n = dns.name.Name(['a' * 63])
+ self.failUnless(n)
+
+ def testLabelTooLong(self):
+ def bad():
+ n = dns.name.Name(['a' * 64, 'b'])
+ self.failUnlessRaises(dns.name.LabelTooLong, bad)
+
+ def testLongName(self):
+ n = dns.name.Name(['a' * 63, 'a' * 63, 'a' * 63, 'a' * 62])
+ self.failUnless(n)
+
+ def testNameTooLong(self):
+ def bad():
+ n = dns.name.Name(['a' * 63, 'a' * 63, 'a' * 63, 'a' * 63])
+ self.failUnlessRaises(dns.name.NameTooLong, bad)
+
+ def testConcat1(self):
+ n1 = dns.name.Name(['a', 'b'])
+ n2 = dns.name.Name(['c', 'd'])
+ e = dns.name.Name(['a', 'b', 'c', 'd'])
+ r = n1 + n2
+ self.failUnless(r == e)
+
+ def testConcat2(self):
+ n1 = dns.name.Name(['a', 'b'])
+ n2 = dns.name.Name([])
+ e = dns.name.Name(['a', 'b'])
+ r = n1 + n2
+ self.failUnless(r == e)
+
+ def testConcat2(self):
+ n1 = dns.name.Name([])
+ n2 = dns.name.Name(['a', 'b'])
+ e = dns.name.Name(['a', 'b'])
+ r = n1 + n2
+ self.failUnless(r == e)
+
+ def testConcat3(self):
+ n1 = dns.name.Name(['a', 'b', ''])
+ n2 = dns.name.Name([])
+ e = dns.name.Name(['a', 'b', ''])
+ r = n1 + n2
+ self.failUnless(r == e)
+
+ def testConcat4(self):
+ n1 = dns.name.Name(['a', 'b'])
+ n2 = dns.name.Name(['c', ''])
+ e = dns.name.Name(['a', 'b', 'c', ''])
+ r = n1 + n2
+ self.failUnless(r == e)
+
+ def testConcat5(self):
+ def bad():
+ n1 = dns.name.Name(['a', 'b', ''])
+ n2 = dns.name.Name(['c'])
+ r = n1 + n2
+ self.failUnlessRaises(dns.name.AbsoluteConcatenation, bad)
+
+ def testBadEscape(self):
+ def bad():
+ n = dns.name.from_text(r'a.b\0q1.c.')
+ print n
+ self.failUnlessRaises(dns.name.BadEscape, bad)
+
+ def testDigestable1(self):
+ n = dns.name.from_text('FOO.bar')
+ d = n.to_digestable()
+ self.failUnless(d == '\x03foo\x03bar\x00')
+
+ def testDigestable2(self):
+ n1 = dns.name.from_text('FOO.bar')
+ n2 = dns.name.from_text('foo.BAR.')
+ d1 = n1.to_digestable()
+ d2 = n2.to_digestable()
+ self.failUnless(d1 == d2)
+
+ def testDigestable3(self):
+ d = dns.name.root.to_digestable()
+ self.failUnless(d == '\x00')
+
+ def testDigestable4(self):
+ n = dns.name.from_text('FOO.bar', None)
+ d = n.to_digestable(dns.name.root)
+ self.failUnless(d == '\x03foo\x03bar\x00')
+
+ def testBadDigestable(self):
+ def bad():
+ n = dns.name.from_text('FOO.bar', None)
+ d = n.to_digestable()
+ self.failUnlessRaises(dns.name.NeedAbsoluteNameOrOrigin, bad)
+
+ def testToWire1(self):
+ n = dns.name.from_text('FOO.bar')
+ f = cStringIO.StringIO()
+ compress = {}
+ n.to_wire(f, compress)
+ self.failUnless(f.getvalue() == '\x03FOO\x03bar\x00')
+
+ def testToWire2(self):
+ n = dns.name.from_text('FOO.bar')
+ f = cStringIO.StringIO()
+ compress = {}
+ n.to_wire(f, compress)
+ n.to_wire(f, compress)
+ self.failUnless(f.getvalue() == '\x03FOO\x03bar\x00\xc0\x00')
+
+ def testToWire3(self):
+ n1 = dns.name.from_text('FOO.bar')
+ n2 = dns.name.from_text('foo.bar')
+ f = cStringIO.StringIO()
+ compress = {}
+ n1.to_wire(f, compress)
+ n2.to_wire(f, compress)
+ self.failUnless(f.getvalue() == '\x03FOO\x03bar\x00\xc0\x00')
+
+ def testToWire4(self):
+ n1 = dns.name.from_text('FOO.bar')
+ n2 = dns.name.from_text('a.foo.bar')
+ f = cStringIO.StringIO()
+ compress = {}
+ n1.to_wire(f, compress)
+ n2.to_wire(f, compress)
+ self.failUnless(f.getvalue() == '\x03FOO\x03bar\x00\x01\x61\xc0\x00')
+
+ def testToWire5(self):
+ n1 = dns.name.from_text('FOO.bar')
+ n2 = dns.name.from_text('a.foo.bar')
+ f = cStringIO.StringIO()
+ compress = {}
+ n1.to_wire(f, compress)
+ n2.to_wire(f, None)
+ self.failUnless(f.getvalue() == \
+ '\x03FOO\x03bar\x00\x01\x61\x03foo\x03bar\x00')
+
+ def testToWire6(self):
+ n = dns.name.from_text('FOO.bar')
+ v = n.to_wire()
+ self.failUnless(v == '\x03FOO\x03bar\x00')
+
+ def testBadToWire(self):
+ def bad():
+ n = dns.name.from_text('FOO.bar', None)
+ f = cStringIO.StringIO()
+ compress = {}
+ n.to_wire(f, compress)
+ self.failUnlessRaises(dns.name.NeedAbsoluteNameOrOrigin, bad)
+
+ def testSplit1(self):
+ n = dns.name.from_text('foo.bar.')
+ (prefix, suffix) = n.split(2)
+ ep = dns.name.from_text('foo', None)
+ es = dns.name.from_text('bar.', None)
+ self.failUnless(prefix == ep and suffix == es)
+
+ def testSplit2(self):
+ n = dns.name.from_text('foo.bar.')
+ (prefix, suffix) = n.split(1)
+ ep = dns.name.from_text('foo.bar', None)
+ es = dns.name.from_text('.', None)
+ self.failUnless(prefix == ep and suffix == es)
+
+ def testSplit3(self):
+ n = dns.name.from_text('foo.bar.')
+ (prefix, suffix) = n.split(0)
+ ep = dns.name.from_text('foo.bar.', None)
+ es = dns.name.from_text('', None)
+ self.failUnless(prefix == ep and suffix == es)
+
+ def testSplit4(self):
+ n = dns.name.from_text('foo.bar.')
+ (prefix, suffix) = n.split(3)
+ ep = dns.name.from_text('', None)
+ es = dns.name.from_text('foo.bar.', None)
+ self.failUnless(prefix == ep and suffix == es)
+
+ def testBadSplit1(self):
+ def bad():
+ n = dns.name.from_text('foo.bar.')
+ (prefix, suffix) = n.split(-1)
+ self.failUnlessRaises(ValueError, bad)
+
+ def testBadSplit2(self):
+ def bad():
+ n = dns.name.from_text('foo.bar.')
+ (prefix, suffix) = n.split(4)
+ self.failUnlessRaises(ValueError, bad)
+
+ def testRelativize1(self):
+ n = dns.name.from_text('a.foo.bar.', None)
+ o = dns.name.from_text('bar.', None)
+ e = dns.name.from_text('a.foo', None)
+ self.failUnless(n.relativize(o) == e)
+
+ def testRelativize2(self):
+ n = dns.name.from_text('a.foo.bar.', None)
+ o = n
+ e = dns.name.empty
+ self.failUnless(n.relativize(o) == e)
+
+ def testRelativize3(self):
+ n = dns.name.from_text('a.foo.bar.', None)
+ o = dns.name.from_text('blaz.', None)
+ e = n
+ self.failUnless(n.relativize(o) == e)
+
+ def testRelativize4(self):
+ n = dns.name.from_text('a.foo', None)
+ o = dns.name.root
+ e = n
+ self.failUnless(n.relativize(o) == e)
+
+ def testDerelativize1(self):
+ n = dns.name.from_text('a.foo', None)
+ o = dns.name.from_text('bar.', None)
+ e = dns.name.from_text('a.foo.bar.', None)
+ self.failUnless(n.derelativize(o) == e)
+
+ def testDerelativize2(self):
+ n = dns.name.empty
+ o = dns.name.from_text('a.foo.bar.', None)
+ e = o
+ self.failUnless(n.derelativize(o) == e)
+
+ def testDerelativize3(self):
+ n = dns.name.from_text('a.foo.bar.', None)
+ o = dns.name.from_text('blaz.', None)
+ e = n
+ self.failUnless(n.derelativize(o) == e)
+
+ def testChooseRelativity1(self):
+ n = dns.name.from_text('a.foo.bar.', None)
+ o = dns.name.from_text('bar.', None)
+ e = dns.name.from_text('a.foo', None)
+ self.failUnless(n.choose_relativity(o, True) == e)
+
+ def testChooseRelativity2(self):
+ n = dns.name.from_text('a.foo.bar.', None)
+ o = dns.name.from_text('bar.', None)
+ e = n
+ self.failUnless(n.choose_relativity(o, False) == e)
+
+ def testChooseRelativity3(self):
+ n = dns.name.from_text('a.foo', None)
+ o = dns.name.from_text('bar.', None)
+ e = dns.name.from_text('a.foo.bar.', None)
+ self.failUnless(n.choose_relativity(o, False) == e)
+
+ def testChooseRelativity4(self):
+ n = dns.name.from_text('a.foo', None)
+ o = None
+ e = n
+ self.failUnless(n.choose_relativity(o, True) == e)
+
+ def testChooseRelativity5(self):
+ n = dns.name.from_text('a.foo', None)
+ o = None
+ e = n
+ self.failUnless(n.choose_relativity(o, False) == e)
+
+ def testChooseRelativity6(self):
+ n = dns.name.from_text('a.foo.', None)
+ o = None
+ e = n
+ self.failUnless(n.choose_relativity(o, True) == e)
+
+ def testChooseRelativity7(self):
+ n = dns.name.from_text('a.foo.', None)
+ o = None
+ e = n
+ self.failUnless(n.choose_relativity(o, False) == e)
+
+ def testFromWire1(self):
+ w = '\x03foo\x00\xc0\x00'
+ (n1, cused1) = dns.name.from_wire(w, 0)
+ (n2, cused2) = dns.name.from_wire(w, cused1)
+ en1 = dns.name.from_text('foo.')
+ en2 = en1
+ ecused1 = 5
+ ecused2 = 2
+ self.failUnless(n1 == en1 and cused1 == ecused1 and \
+ n2 == en2 and cused2 == ecused2)
+
+ def testFromWire1(self):
+ w = '\x03foo\x00\x01a\xc0\x00\x01b\xc0\x05'
+ current = 0
+ (n1, cused1) = dns.name.from_wire(w, current)
+ current += cused1
+ (n2, cused2) = dns.name.from_wire(w, current)
+ current += cused2
+ (n3, cused3) = dns.name.from_wire(w, current)
+ en1 = dns.name.from_text('foo.')
+ en2 = dns.name.from_text('a.foo.')
+ en3 = dns.name.from_text('b.a.foo.')
+ ecused1 = 5
+ ecused2 = 4
+ ecused3 = 4
+ self.failUnless(n1 == en1 and cused1 == ecused1 and \
+ n2 == en2 and cused2 == ecused2 and \
+ n3 == en3 and cused3 == ecused3)
+
+ def testBadFromWire1(self):
+ def bad():
+ w = '\x03foo\xc0\x04'
+ (n, cused) = dns.name.from_wire(w, 0)
+ self.failUnlessRaises(dns.name.BadPointer, bad)
+
+ def testBadFromWire2(self):
+ def bad():
+ w = '\x03foo\xc0\x05'
+ (n, cused) = dns.name.from_wire(w, 0)
+ self.failUnlessRaises(dns.name.BadPointer, bad)
+
+ def testBadFromWire3(self):
+ def bad():
+ w = '\xbffoo'
+ (n, cused) = dns.name.from_wire(w, 0)
+ self.failUnlessRaises(dns.name.BadLabelType, bad)
+
+ def testBadFromWire4(self):
+ def bad():
+ w = '\x41foo'
+ (n, cused) = dns.name.from_wire(w, 0)
+ self.failUnlessRaises(dns.name.BadLabelType, bad)
+
+ def testParent1(self):
+ n = dns.name.from_text('foo.bar.')
+ self.failUnless(n.parent() == dns.name.from_text('bar.'))
+ self.failUnless(n.parent().parent() == dns.name.root)
+
+ def testParent2(self):
+ n = dns.name.from_text('foo.bar', None)
+ self.failUnless(n.parent() == dns.name.from_text('bar', None))
+ self.failUnless(n.parent().parent() == dns.name.empty)
+
+ def testParent3(self):
+ def bad():
+ n = dns.name.root
+ n.parent()
+ self.failUnlessRaises(dns.name.NoParent, bad)
+
+ def testParent4(self):
+ def bad():
+ n = dns.name.empty
+ n.parent()
+ self.failUnlessRaises(dns.name.NoParent, bad)
+
+ def testFromUnicode1(self):
+ n = dns.name.from_text(u'foo.bar')
+ self.failUnless(n.labels == ('foo', 'bar', ''))
+
+ def testFromUnicode2(self):
+ n = dns.name.from_text(u'foo\u1234bar.bar')
+ self.failUnless(n.labels == ('xn--foobar-r5z', 'bar', ''))
+
+ def testFromUnicodeAlternateDot1(self):
+ n = dns.name.from_text(u'foo\u3002bar')
+ self.failUnless(n.labels == ('foo', 'bar', ''))
+
+ def testFromUnicodeAlternateDot2(self):
+ n = dns.name.from_text(u'foo\uff0ebar')
+ self.failUnless(n.labels == ('foo', 'bar', ''))
+
+ def testFromUnicodeAlternateDot3(self):
+ n = dns.name.from_text(u'foo\uff61bar')
+ self.failUnless(n.labels == ('foo', 'bar', ''))
+
+ def testToUnicode1(self):
+ n = dns.name.from_text(u'foo.bar')
+ s = n.to_unicode()
+ self.failUnless(s == u'foo.bar.')
+
+ def testToUnicode2(self):
+ n = dns.name.from_text(u'foo\u1234bar.bar')
+ s = n.to_unicode()
+ self.failUnless(s == u'foo\u1234bar.bar.')
+
+ def testToUnicode3(self):
+ n = dns.name.from_text('foo.bar')
+ s = n.to_unicode()
+ self.failUnless(s == u'foo.bar.')
+
+ def testReverseIPv4(self):
+ e = dns.name.from_text('1.0.0.127.in-addr.arpa.')
+ n = dns.reversename.from_address('127.0.0.1')
+ self.failUnless(e == n)
+
+ def testReverseIPv6(self):
+ e = dns.name.from_text('1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.')
+ n = dns.reversename.from_address('::1')
+ self.failUnless(e == n)
+
+ def testBadReverseIPv4(self):
+ def bad():
+ n = dns.reversename.from_address('127.0.foo.1')
+ self.failUnlessRaises(dns.exception.SyntaxError, bad)
+
+ def testBadReverseIPv6(self):
+ def bad():
+ n = dns.reversename.from_address('::1::1')
+ self.failUnlessRaises(dns.exception.SyntaxError, bad)
+
+ def testForwardIPv4(self):
+ n = dns.name.from_text('1.0.0.127.in-addr.arpa.')
+ e = '127.0.0.1'
+ text = dns.reversename.to_address(n)
+ self.failUnless(text == e)
+
+ def testForwardIPv6(self):
+ n = dns.name.from_text('1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa.')
+ e = '::1'
+ text = dns.reversename.to_address(n)
+ self.failUnless(text == e)
+
+ def testE164ToEnum(self):
+ text = '+1 650 555 1212'
+ e = dns.name.from_text('2.1.2.1.5.5.5.0.5.6.1.e164.arpa.')
+ n = dns.e164.from_e164(text)
+ self.failUnless(n == e)
+
+ def testEnumToE164(self):
+ n = dns.name.from_text('2.1.2.1.5.5.5.0.5.6.1.e164.arpa.')
+ e = '+16505551212'
+ text = dns.e164.to_e164(n)
+ self.failUnless(text == e)
+
+if __name__ == '__main__':
+ unittest.main()
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