1 files changed, 34 insertions, 4 deletions
diff --git a/activesupport/test/caching_test.rb b/activesupport/test/caching_test.rb
index 8bb0c155cf..51d04d9388 100644
--- a/activesupport/test/caching_test.rb
+++ b/activesupport/test/caching_test.rb
@@ -15,22 +15,34 @@ class CacheStoreSettingTest < ActiveSupport::TestCase
   end
 
   def test_mem_cache_fragment_cache_store
+    MemCache.expects(:new).with(%w[localhost], {})
     store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost"
     assert_kind_of(ActiveSupport::Cache::MemCacheStore, store)
-    assert_equal %w(localhost), store.addresses
+  end
+
+  def test_mem_cache_fragment_cache_store_with_given_mem_cache
+    mem_cache = MemCache.new
+    MemCache.expects(:new).never
+    store = ActiveSupport::Cache.lookup_store :mem_cache_store, mem_cache
+    assert_kind_of(ActiveSupport::Cache::MemCacheStore, store)
+  end
+
+  def test_mem_cache_fragment_cache_store_with_given_mem_cache_like_object
+    MemCache.expects(:new).never
+    store = ActiveSupport::Cache.lookup_store :mem_cache_store, stub("memcache", :get => true)
+    assert_kind_of(ActiveSupport::Cache::MemCacheStore, store)
   end
 
   def test_mem_cache_fragment_cache_store_with_multiple_servers
+    MemCache.expects(:new).with(%w[localhost 192.168.1.1], {})
     store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost", '192.168.1.1'
     assert_kind_of(ActiveSupport::Cache::MemCacheStore, store)
-    assert_equal %w(localhost 192.168.1.1), store.addresses
   end
 
   def test_mem_cache_fragment_cache_store_with_options
+    MemCache.expects(:new).with(%w[localhost 192.168.1.1], { :namespace => "foo" })
     store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost", '192.168.1.1', :namespace => 'foo'
     assert_kind_of(ActiveSupport::Cache::MemCacheStore, store)
-    assert_equal %w(localhost 192.168.1.1), store.addresses
-    assert_equal 'foo', store.instance_variable_get('@data').instance_variable_get('@namespace')
   end
 
   def test_object_assigned_fragment_cache_store
@@ -168,6 +180,15 @@ uses_memcached 'memcached backed store' do
       end
     end
 
+    def test_stored_objects_should_not_be_frozen
+      @cache.with_local_cache do
+        @cache.write('foo', 'bar')
+      end
+      @cache.with_local_cache do
+        assert !@cache.read('foo').frozen?
+      end
+    end
+
     def test_write_should_return_true_on_success
       @cache.with_local_cache do
         result = @cache.write('foo', 'bar')
@@ -251,6 +272,15 @@ uses_memcached 'memcached backed store' do
       end
     end
 
+    def test_multi_get
+      @cache.with_local_cache do
+        @cache.write('foo', 1)
+        @cache.write('goo', 2)
+        result = @cache.read_multi('foo', 'goo')
+        assert_equal({'foo' => 1, 'goo' => 2}, result)
+      end
+    end
+
     def test_middleware
       app = lambda { |env|
         result = @cache.write('foo', 'bar')