added a test for configure_from_config

3 files changed, 17 insertions, 5 deletions

diff --git a/dogpile/cache/api.py b/dogpile/cache/api.py
index b1f1139..6e3610a 100644
--- a/dogpile/cache/api.py
+++ b/dogpile/cache/api.py
@@ -71,7 +71,7 @@ class CacheBackend(object):
                 dict(
                     (key[prefix_len:], config_dict[key]) 
                     for key in config_dict 
-                    if key.startwith(prefix)
+                    if key.startswith(prefix)
                 )
             )
 
diff --git a/dogpile/cache/region.py b/dogpile/cache/region.py
index 8e5267f..d496bc1 100644
--- a/dogpile/cache/region.py
+++ b/dogpile/cache/region.py
@@ -173,11 +173,11 @@ class CacheRegion(object):
 
         """
         return self.configure(
-            config_dict["%s.backend" % prefix],
+            config_dict["%sbackend" % prefix],
             expiration_time = config_dict.get(
-                                "%s.expiration_time" % prefix, None),
+                                "%sexpiration_time" % prefix, None),
             _config_argument_dict=config_dict,
-            _config_prefix="%s.arguments" % prefix
+            _config_prefix="%sarguments." % prefix
         )
 
     @memoized_property
diff --git a/tests/test_region.py b/tests/test_region.py
index 872d5b3..85fefd5 100644
--- a/tests/test_region.py
+++ b/tests/test_region.py
@@ -1,6 +1,6 @@
 from unittest import TestCase
 from dogpile.cache.api import CacheBackend, CachedValue, NO_VALUE
-from dogpile.cache import register_backend, CacheRegion
+from dogpile.cache import make_region, register_backend, CacheRegion
 from tests import eq_, assert_raises_message
 import time
 import itertools
@@ -40,6 +40,18 @@ class RegionTest(TestCase):
         reg.configure(backend, **config_args)
         return reg
 
+    def test_instance_from_dict(self):
+        my_conf = { 
+            'cache.example.backend': 'mock',
+            'cache.example.expiration_time': 600,
+            'cache.example.arguments.url': '127.0.0.1'
+            } 
+        my_region = make_region()
+        my_region.configure_from_config(my_conf, 'cache.example.')
+        eq_(my_region.expiration_time, 600)
+        assert isinstance(my_region.backend, MockBackend) is True
+        eq_(my_region.backend.arguments, {'url': '127.0.0.1'})
+
     def test_key_mangler_argument(self):
         reg = self._region(init_args={"key_mangler":key_mangler})
         assert reg.key_mangler is key_mangler