propagate cache_impl from lookup to template , #179

2 files changed, 13 insertions, 1 deletions

diff --git a/mako/lookup.py b/mako/lookup.py
index c2fb034..e35fe10 100644
--- a/mako/lookup.py
+++ b/mako/lookup.py
@@ -191,6 +191,7 @@ class TemplateLookup(TemplateCollection):
             'disable_unicode':disable_unicode, 
             'bytestring_passthrough':bytestring_passthrough,
             'output_encoding':output_encoding, 
+            'cache_impl':cache_impl,
             'encoding_errors':encoding_errors, 
             'input_encoding':input_encoding, 
             'module_directory':module_directory, 
diff --git a/test/test_cache.py b/test/test_cache.py
index aba204c..d898b02 100644
--- a/test/test_cache.py
+++ b/test/test_cache.py
@@ -392,7 +392,18 @@ class CacheTest(TemplateTest):
             %>
         """)
         assert result_lines(t.render()) == ['foo: 1', 'foo: 1', 'foo: 3', 'foo: 3']
- 
+
+    def test_lookup(self):
+        l = TemplateLookup(cache_impl='mock')
+        l.put_string("x", """
+            <%page cached="True" />
+            ${y}
+        """)
+        t = l.get_template("x")
+        assert result_lines(t.render(y=5)) == ["5"]
+        assert result_lines(t.render(y=7)) == ["5"]
+        assert isinstance(t.cache.impl, MockCacheImpl)
+
     def test_invalidate(self):
         t = Template("""
             <%%def name="foo()" cached="True">