From 096413cb68a10476a6384019f104987448110176 Mon Sep 17 00:00:00 2001
From: Nagarajan Chinnasamy <nagarajanchinnasamy@gmail.com>
Date: Mon, 25 Sep 2017 14:29:15 +0530
Subject: [PATCH] [#39] null as forced default value

---
 test/test.js | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/test/test.js b/test/test.js
index 33c7c08..2a01050 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1720,3 +1720,57 @@ test('map array inside array to property', function (t) {
   t.deepEqual(result, expect);
   t.end();
 });
+
+test('do not map when a property not present in source and default is not given in map', function (t) {
+  var expect = {
+    mapThis: 'defaultVal',
+    mapThisToo: [ {
+      property: 'defaultVal',
+      subArray: [ { property: null } ]
+    } ],
+    other: 'otherVal'
+  };
+
+  var map = {
+    "doNotMapThis": {
+      "key": "doNotMapThis",
+      "transform": function(val) {
+        return "_" + val;
+      }
+    },
+    "doNotMapThisToo[].property": {
+      "key": "doNotMapThisToo[].property",
+      "transform": function(val) {
+        return "_" + val;
+      }
+    },
+    "doNotMapThisToo[].subArray[].property": {
+      "key": "doNotMapThisToo[].subArray[].property",
+      "transform": function(val) {
+        return "_" + val;
+      }
+    },
+    "mapThis": {
+      "key": "mapThis",
+      "default": "defaultVal"
+    },
+    "mapThisToo[].property": {
+      "key": "mapThisToo[].property",
+      "default": "defaultVal"
+    },
+    "mapThisToo[].subArray[].property": {
+      "key": "mapThisToo[].subArray[].property?",
+      "default": null 
+    },
+    "other": "other"
+  };
+
+  var obj = {
+    "other": "otherVal"    
+  };
+
+  var result = om(obj, map);
+
+  t.deepEqual(result, expect);
+  t.end();
+});