Determine correct metadata key for objects in root dir

lib/remote_storage/swift.rb

@@ -133,7 +133,7 @@ module RemoteStorage
       server.halt 400 if server.env["HTTP_CONTENT_RANGE"]
       server.halt 409 if has_name_collision?(user, directory, key)
 
-      existing_metadata = redis.hgetall "rs:m:#{user}:#{directory}/#{key}"
+      existing_metadata = redis.hgetall redis_metadata_object_key(user, directory, key)
       url = url_for_key(user, directory, key)
 
       if required_match = server.env["HTTP_IF_MATCH"]
@@ -309,7 +309,7 @@ module RemoteStorage
     end
 
     def update_metadata_object(user, directory, key, metadata)
-      redis_key = "rs:m:#{user}:#{directory}/#{key}"
+      redis_key = redis_metadata_object_key(user, directory, key)
       redis.hmset(redis_key, *metadata)
       redis.sadd "rs:m:#{user}:#{directory}/:items", key
 
@@ -328,8 +328,7 @@ module RemoteStorage
     end
 
     def delete_metadata_objects(user, directory, key)
-      redis_key = "rs:m:#{user}:#{directory}/#{key}"
-      redis.del(redis_key)
+      redis.del redis_metadata_object_key(user, directory, key)
       redis.srem "rs:m:#{user}:#{directory}/:items", key
     end
 
@@ -353,6 +352,10 @@ module RemoteStorage
       redis.smembers("rs:m:#{user}:#{dir}/:items").empty?
     end
 
+    def redis_metadata_object_key(user, directory, key)
+      "rs:m:#{user}:#{[directory, key].delete_if(&:empty?).join("/")}"
+    end
+
     def container_url_for(user)
       "#{base_url}/#{container_for(user)}"
     end

spec/swift/app_spec.rb

@@ -74,6 +74,32 @@ describe "App" do
         root_items.must_equal ["food/"]
       end
 
+      describe "objects in root dir" do
+        before do
+          put_stub = OpenStruct.new(headers: {
+            etag: "bla",
+            last_modified: "Fri, 04 Mar 2016 12:20:18 GMT"
+          })
+
+          RestClient.stub :put, put_stub do
+            put "/phil/bamboo.txt", "shir kan"
+          end
+        end
+
+        it "are listed in the directory listing with all metadata" do
+          get "phil/"
+
+          last_response.status.must_equal 200
+          last_response.content_type.must_equal "application/json"
+
+          content = JSON.parse(last_response.body)
+          content["items"]["bamboo.txt"].wont_be_nil
+          content["items"]["bamboo.txt"]["ETag"].must_equal "bla"
+          content["items"]["bamboo.txt"]["Content-Type"].must_equal "text/plain; charset=utf-8"
+          content["items"]["bamboo.txt"]["Content-Length"].must_equal 8
+        end
+      end
+
       describe "name collision checks" do
         it "is successful when there is no name collision" do
           put_stub = OpenStruct.new(headers: {