in memory storage service

src/Core/Services/InMemoryStorageService.cs

@@ -0,0 +1,40 @@
+using Bit.Core.Abstractions;
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Bit.Core.Services
+{
+    public class InMemoryStorageService : IStorageService
+    {
+        private readonly Dictionary<string, string> _dict = new Dictionary<string, string>();
+
+        public Task<T> GetAsync<T>(string key)
+        {
+            if(!_dict.ContainsKey(key))
+            {
+                return Task.FromResult(default(T));
+            }
+            return Task.FromResult(JsonConvert.DeserializeObject<T>(_dict[key]));
+        }
+
+        public Task SaveAsync<T>(string key, T obj)
+        {
+            if(obj == null)
+            {
+                return RemoveAsync(key);
+            }
+            _dict.Add(key, JsonConvert.SerializeObject(obj));
+            return Task.FromResult(0);
+        }
+
+        public Task RemoveAsync(string key)
+        {
+            if(_dict.ContainsKey(key))
+            {
+                _dict.Remove(key);
+            }
+            return Task.FromResult(0);
+        }
+    }
+}