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

[idra/samba.git] / source4 / scripting / python / samba_external / dnspython / tests / resolver.py

diff --git a/source4/scripting/python/samba_external/dnspython/tests/resolver.py b/source4/scripting/python/samba_external/dnspython/tests/resolver.py
new file mode 100644 (file)
index 0000000..4cacbdc
--- /dev/null
+++ b/source4/scripting/python/samba_external/dnspython/tests/resolver.py
@@ -0,0 +1,105 @@
+# 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 cStringIO
+import sys
+import time
+import unittest
+
+import dns.name
+import dns.message
+import dns.name
+import dns.rdataclass
+import dns.rdatatype
+import dns.resolver
+
+resolv_conf = """
+    /t/t
+# comment 1
+; comment 2
+domain foo
+nameserver 10.0.0.1
+nameserver 10.0.0.2
+"""
+
+message_text = """id 1234
+opcode QUERY
+rcode NOERROR
+flags QR AA RD
+;QUESTION
+example. IN A
+;ANSWER
+example. 1 IN A 10.0.0.1
+;AUTHORITY
+;ADDITIONAL
+"""
+
+class ResolverTestCase(unittest.TestCase):
+
+    if sys.platform != 'win32':
+        def testRead(self):
+            f = cStringIO.StringIO(resolv_conf)
+            r = dns.resolver.Resolver(f)
+            self.failUnless(r.nameservers == ['10.0.0.1', '10.0.0.2'] and
+                            r.domain == dns.name.from_text('foo'))
+
+    def testCacheExpiration(self):
+        message = dns.message.from_text(message_text)
+        name = dns.name.from_text('example.')
+        answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN,
+                                     message)
+        cache = dns.resolver.Cache()
+        cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer)
+        time.sleep(2)
+        self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN))
+                        is None)
+
+    def testCacheCleaning(self):
+        message = dns.message.from_text(message_text)
+        name = dns.name.from_text('example.')
+        answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN,
+                                     message)
+        cache = dns.resolver.Cache(cleaning_interval=1.0)
+        cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer)
+        time.sleep(2)
+        self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN))
+                        is None)
+
+    def testZoneForName1(self):
+        name = dns.name.from_text('www.dnspython.org.')
+        ezname = dns.name.from_text('dnspython.org.')
+        zname = dns.resolver.zone_for_name(name)
+        self.failUnless(zname == ezname)
+
+    def testZoneForName2(self):
+        name = dns.name.from_text('a.b.www.dnspython.org.')
+        ezname = dns.name.from_text('dnspython.org.')
+        zname = dns.resolver.zone_for_name(name)
+        self.failUnless(zname == ezname)
+
+    def testZoneForName3(self):
+        name = dns.name.from_text('dnspython.org.')
+        ezname = dns.name.from_text('dnspython.org.')
+        zname = dns.resolver.zone_for_name(name)
+        self.failUnless(zname == ezname)
+
+    def testZoneForName4(self):
+        def bad():
+            name = dns.name.from_text('dnspython.org', None)
+            zname = dns.resolver.zone_for_name(name)
+        self.failUnlessRaises(dns.resolver.NotAbsolute, bad)
+
+if __name__ == '__main__':
+    unittest.main()