add unit test asserting that allmydata.util.base32 matches rfc 3548

diff --git a/src/allmydata/test/test_util.py b/src/allmydata/test/test_util.py
index 9ece5e7b48c8b4feb67ad563c6bb66c913ee7a3b..1a8a4d1bb06bb9c84aeef1c539faea5c41df0d62 100644 (file)
--- a/src/allmydata/test/test_util.py
+++ b/src/allmydata/test/test_util.py
@@ -11,6 +11,14 @@ from allmydata.util import assertutil, fileutil, testutil, deferredutil
 
 
 class Base32(unittest.TestCase):
+    def test_b2a_matches_Pythons(self):
+        import base64
+        y = "\x12\x34\x45\x67\x89\x0a\xbc\xde\xf0"
+        x = base64.b32encode(y)
+        while x and x[-1] == '=':
+            x = x[:-1]
+        x = x.lower()
+        self.failUnlessEqual(base32.b2a(y), x)
     def test_b2a(self):
         self.failUnlessEqual(base32.b2a("\x12\x34"), "ci2a")
     def test_b2a_or_none(self):