Test for goldibex#108

test/spec/lib/database/index.js

@@ -895,6 +895,30 @@ describe('database', function() {
       expect(db.write('/a', 2).allowed).to.be.false();
     });
 
+    it.only('should fix #108', function() {
+      const rules = {
+        rules: {
+          $key: {
+            '.write': 'newData.hasChild("bar")'
+          }
+        }
+      };
+      const data = {
+        foo: {
+          bar: true,
+          baz: true
+        }
+      };
+      const db = database.create(rules, data).with({debug: true});
+      const result = db.write('/foo/baz', null);
+
+      console.log('writing null to /foo/baz');
+      console.log('old root:', result.root.val());
+      console.log('new root:', result.newRoot.val());
+
+      expect(result.allowed, result.info).to.be.true();
+    });
+
   });
 
   describe('#update', function() {