[tor-commits] [stem/master] Adding a test for pydoc header examples

[atagar@xxxxxxxxxxxxxx]

commit 6f36f95711d54fee1bdf7391842f5e76dde8538b
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Tue Jul 17 08:10:17 2012 -0700

    Adding a test for pydoc header examples
    
    Little test for our pydoc example, and fixing a couple little bugs. There's a
    larger bug due to our naive summary() implementation though a better solution
    isn't immediately coming to mind.
---
 stem/exit_policy.py             |   20 +++++++++++++++-----
 test/unit/exit_policy/policy.py |    9 +++++++++
 2 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/stem/exit_policy.py b/stem/exit_policy.py
index fca6034..12cc11f 100644
--- a/stem/exit_policy.py
+++ b/stem/exit_policy.py
@@ -168,21 +168,31 @@ class ExitPolicy(object):
           is_whitelist = not rule.is_accept
           break
       
-      # Iterates over the policys and adds the the ports we'll return (ie, allows
-      # if a whitelist and rejects if a blacklist). Regardless of a port's
-      # allow/reject policy, all further entries with that port are ignored since
-      # policies respect the first matching policy.
+      # Iterates over the policys and adds the the ports we'll return (ie,
+      # allows if a whitelist and rejects if a blacklist). Regardless of a
+      # port's allow/reject policy, all further entries with that port are
+      # ignored since policies respect the first matching policy.
+      
+      # TODO: The following will be prohibitively expensive if someome has
+      # policy entries that aren't a wildcard, but covers most ports. For
+      # instance...
+      #
+      #   accept 1025-65535 # just accepts non-privilaged ports
+      #
+      # On one hand handling ranges is a pita, but on the other this
+      # implementation is naive. Patches welcome.
       
       display_ports, skip_ports = [], []
       
       for rule in self._rules:
         if not rule.is_address_wildcard(): continue
+        elif rule.is_port_wildcard(): break
         
         for port in xrange(rule.min_port, rule.max_port + 1):
           if port in skip_ports: continue
           
           # if accept + whitelist or reject + blacklist then add
-          if policy.is_accept == is_whitelist:
+          if rule.is_accept == is_whitelist:
             display_ports.append(port)
           
           # all further entries with this port should be ignored
diff --git a/test/unit/exit_policy/policy.py b/test/unit/exit_policy/policy.py
index ea5ab90..a6eb00e 100644
--- a/test/unit/exit_policy/policy.py
+++ b/test/unit/exit_policy/policy.py
@@ -10,6 +10,15 @@ from stem.exit_policy import ExitPolicy, ExitPolicyRule
 import test.mocking as mocking
 
 class TestExitPolicy(unittest.TestCase):
+  def test_example(self):
+    # tests the ExitPolicy and MicrodescriptorExitPolicy pydoc examples
+    policy = ExitPolicy("accept *:80", "accept *:443", "reject *:*")
+    self.assertEquals("accept *:80, accept *:443, reject *:*", str(policy))
+    self.assertEquals("accept 80, 443", policy.summary())
+    self.assertTrue(policy.can_exit_to("75.119.206.243", 80))
+    
+    # TODO: add MicrodescriptorExitPolicy after it has been revised
+  
   def test_constructor(self):
     # The ExitPolicy constructor takes a series of string or ExitPolicyRule
     # entries. Extra whitespace is ignored to make csvs easier to handle.



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