diff --git a/squarenotsquare/__mock__/mockRealmObject.js b/squarenotsquare/__mock__/mockRealmObject.js
index 294f642..481e814 100644
--- a/squarenotsquare/__mock__/mockRealmObject.js
+++ b/squarenotsquare/__mock__/mockRealmObject.js
@@ -6,16 +6,27 @@ export class MockRealm{
 
     constructor(schemaVersion){
         this.schemaVersion = schemaVersion;
-        this.SystemRepo = System.name;
-        this.ScoreRepo = Score.name;
-        this.UserRepo = User.name;
-
-        this[this.SystemRepo] = [];
-        this[this.ScoreRepo] = [];
-        this[this.UserRepo] = [];
+        this[System.name] = [];
+        this[Score.name] = [];
+        this[User.name] = [];
+        this.deletedKeys = [];
     }
 
     create(repoName, entity){
         this[repoName].push(entity);
     }
+
+    objects(repoName){
+        let objects = this[repoName];
+        objects.filtered = this.filtered ? this.filtered.bind(this, repoName) : () => objects;
+        return objects;
+    }
+
+    write(callback){
+        callback();
+    }
+
+    delete(key){
+        this.deletedKeys.push(key);
+    }
 }
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