s4-python: import a copy of the python dns library

This library is not installed on enough systems for us to rely
on it being available. We use the system copy if possible, and
fallback to this local copy

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>

1 files changed, 190 insertions, 0 deletions

diff --git a/source4/scripting/python/samba_external/dnspython/tests/tokenizer.py b/source4/scripting/python/samba_external/dnspython/tests/tokenizer.py
new file mode 100644
index 0000000000..4f4a1bdc90
--- /dev/null
+++ b/source4/scripting/python/samba_external/dnspython/tests/tokenizer.py
@@ -0,0 +1,190 @@
+# Copyright (C) 2003-2007, 2009, 2010 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 dns.exception
+import dns.tokenizer
+
+Token = dns.tokenizer.Token
+
+class TokenizerTestCase(unittest.TestCase):
+
+    def testQuotedString1(self):
+        tok = dns.tokenizer.Tokenizer(r'"foo"')
+        token = tok.get()
+        self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, 'foo'))
+
+    def testQuotedString2(self):
+        tok = dns.tokenizer.Tokenizer(r'""')
+        token = tok.get()
+        self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, ''))
+
+    def testQuotedString3(self):
+        tok = dns.tokenizer.Tokenizer(r'"\"foo\""')
+        token = tok.get()
+        self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, '"foo"'))
+
+    def testQuotedString4(self):
+        tok = dns.tokenizer.Tokenizer(r'"foo\010bar"')
+        token = tok.get()
+        self.failUnless(token == Token(dns.tokenizer.QUOTED_STRING, 'foo\x0abar'))
+
+    def testQuotedString5(self):
+        def bad():
+            tok = dns.tokenizer.Tokenizer(r'"foo')
+            token = tok.get()
+        self.failUnlessRaises(dns.exception.UnexpectedEnd, bad)
+
+    def testQuotedString6(self):
+        def bad():
+            tok = dns.tokenizer.Tokenizer(r'"foo\01')
+            token = tok.get()
+        self.failUnlessRaises(dns.exception.SyntaxError, bad)
+
+    def testQuotedString7(self):
+        def bad():
+            tok = dns.tokenizer.Tokenizer('"foo\nbar"')
+            token = tok.get()
+        self.failUnlessRaises(dns.exception.SyntaxError, bad)
+
+    def testEmpty1(self):
+        tok = dns.tokenizer.Tokenizer('')
+        token = tok.get()
+        self.failUnless(token.is_eof())
+
+    def testEmpty2(self):
+        tok = dns.tokenizer.Tokenizer('')
+        token1 = tok.get()
+        token2 = tok.get()
+        self.failUnless(token1.is_eof() and token2.is_eof())
+
+    def testEOL(self):
+        tok = dns.tokenizer.Tokenizer('\n')
+        token1 = tok.get()
+        token2 = tok.get()
+        self.failUnless(token1.is_eol() and token2.is_eof())
+
+    def testWS1(self):
+        tok = dns.tokenizer.Tokenizer(' \n')
+        token1 = tok.get()
+        self.failUnless(token1.is_eol())
+
+    def testWS2(self):
+        tok = dns.tokenizer.Tokenizer(' \n')
+        token1 = tok.get(want_leading=True)
+        self.failUnless(token1.is_whitespace())
+
+    def testComment1(self):
+        tok = dns.tokenizer.Tokenizer(' ;foo\n')
+        token1 = tok.get()
+        self.failUnless(token1.is_eol())
+
+    def testComment2(self):
+        tok = dns.tokenizer.Tokenizer(' ;foo\n')
+        token1 = tok.get(want_comment = True)
+        token2 = tok.get()
+        self.failUnless(token1 == Token(dns.tokenizer.COMMENT, 'foo') and
+                        token2.is_eol())
+
+    def testComment3(self):
+        tok = dns.tokenizer.Tokenizer(' ;foo bar\n')
+        token1 = tok.get(want_comment = True)
+        token2 = tok.get()
+        self.failUnless(token1 == Token(dns.tokenizer.COMMENT, 'foo bar') and
+                        token2.is_eol())
+
+    def testMultiline1(self):
+        tok = dns.tokenizer.Tokenizer('( foo\n\n bar\n)')
+        tokens = list(iter(tok))
+        self.failUnless(tokens == [Token(dns.tokenizer.IDENTIFIER, 'foo'),
+                                   Token(dns.tokenizer.IDENTIFIER, 'bar')])
+
+    def testMultiline2(self):
+        tok = dns.tokenizer.Tokenizer('( foo\n\n bar\n)\n')
+        tokens = list(iter(tok))
+        self.failUnless(tokens == [Token(dns.tokenizer.IDENTIFIER, 'foo'),
+                                   Token(dns.tokenizer.IDENTIFIER, 'bar'),
+                                   Token(dns.tokenizer.EOL, '\n')])
+    def testMultiline3(self):
+        def bad():
+            tok = dns.tokenizer.Tokenizer('foo)')
+            tokens = list(iter(tok))
+        self.failUnlessRaises(dns.exception.SyntaxError, bad)
+
+    def testMultiline4(self):
+        def bad():
+            tok = dns.tokenizer.Tokenizer('((foo)')
+            tokens = list(iter(tok))
+        self.failUnlessRaises(dns.exception.SyntaxError, bad)
+
+    def testUnget1(self):
+        tok = dns.tokenizer.Tokenizer('foo')
+        t1 = tok.get()
+        tok.unget(t1)
+        t2 = tok.get()
+        self.failUnless(t1 == t2 and t1.ttype == dns.tokenizer.IDENTIFIER and \
+                        t1.value == 'foo')
+
+    def testUnget2(self):
+        def bad():
+            tok = dns.tokenizer.Tokenizer('foo')
+            t1 = tok.get()
+            tok.unget(t1)
+            tok.unget(t1)
+        self.failUnlessRaises(dns.tokenizer.UngetBufferFull, bad)
+
+    def testGetEOL1(self):
+        tok = dns.tokenizer.Tokenizer('\n')
+        t = tok.get_eol()
+        self.failUnless(t == '\n')
+
+    def testGetEOL2(self):
+        tok = dns.tokenizer.Tokenizer('')
+        t = tok.get_eol()
+        self.failUnless(t == '')
+
+    def testEscapedDelimiter1(self):
+        tok = dns.tokenizer.Tokenizer(r'ch\ ld')
+        t = tok.get()
+        self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch\ ld')
+
+    def testEscapedDelimiter2(self):
+        tok = dns.tokenizer.Tokenizer(r'ch\032ld')
+        t = tok.get()
+        self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch\032ld')
+
+    def testEscapedDelimiter3(self):
+        tok = dns.tokenizer.Tokenizer(r'ch\ild')
+        t = tok.get()
+        self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch\ild')
+
+    def testEscapedDelimiter1u(self):
+        tok = dns.tokenizer.Tokenizer(r'ch\ ld')
+        t = tok.get().unescape()
+        self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'ch ld')
+
+    def testEscapedDelimiter2u(self):
+        tok = dns.tokenizer.Tokenizer(r'ch\032ld')
+        t = tok.get().unescape()
+        self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == 'ch ld')
+
+    def testEscapedDelimiter3u(self):
+        tok = dns.tokenizer.Tokenizer(r'ch\ild')
+        t = tok.get().unescape()
+        self.failUnless(t.ttype == dns.tokenizer.IDENTIFIER and t.value == r'child')
+
+if __name__ == '__main__':
+    unittest.main()