spec/transactions_spec.rb in mock_redis-0.4.1 vs spec/transactions_spec.rb in mock_redis-0.5.0

@@ -14,9 +14,26 @@
       @redises.multi
       lambda do
         @redises.multi
       end.should raise_error(RuntimeError)
     end
+
+    it "cleanup the state of tansaction wrapper if an exception occurs while a transaction is being processed" do
+      lambda do
+        @redises.mock.multi do |r|
+          raise "i'm a command that fails"
+        end
+      end.should raise_error(RuntimeError)
+
+      # before the fix this used to raised a #<RuntimeError: ERR MULTI calls can not be nested>
+      lambda do
+        @redises.mock.multi do |r|
+          # do stuff that succeed
+          s.set(nil, 'string')
+        end
+      end.should_not raise_error(RuntimeError)
+
+    end
   end
 
   context "#blocks" do
     it "implicitly runs exec when finished" do
       @redises.set("counter", 5)