From 1dc85446954c34012c78edffd8dd5057f56856ed Mon Sep 17 00:00:00 2001
From: "Diego F.(EW7)" <diegoefe@gmail.com>
Date: Tue, 4 Oct 2016 10:55:32 -0300
Subject: [PATCH] Arrays/Objects compared

---
 lib/discrepances.js | 15 ++++++---------
 test/test.js        |  4 +++-
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/lib/discrepances.js b/lib/discrepances.js
index 224a3d8..5292f16 100644
--- a/lib/discrepances.js
+++ b/lib/discrepances.js
@@ -72,15 +72,17 @@ discrepances = function discrepances(a, b){
                     if(a.length !== b.length) {
                         rv.length = discrepances(a.length,b.length);
                     }
-                    return {array:rv};
+                    return rv.length ? {array:rv} : null;
                 } else if(classA==='Object') {
                     Object.keys(a).forEach(function(key) {
-                        rv[key] = !(key in b) ? {onlyLeft:a[key]} : discrepances(a[key], b[key]);
+                        var r = !(key in b) ? {onlyLeft:a[key]} : discrepances(a[key], b[key]);
+                        if(r) { rv[key] = r; }
                     });
                     Object.keys(b).forEach(function(key) {
-                        rv[key] = !(key in a) ? {onlyRight:b[key]} : discrepances(a[key], b[key]);
+                        var r = !(key in a) ? {onlyRight:b[key]} : discrepances(a[key], b[key]);
+                        if(r) { rv[key] = r; }
                     });
-                    return {object:rv};
+                    return Object.keys(rv).length ?  {object:rv} : null;
                 }
             }
         }
@@ -90,11 +92,6 @@ discrepances = function discrepances(a, b){
     } else {
         return {types:[typeA,typeB], values:[a,b]}
     }
-    // var rta='';
-    // if(def && def.typeof && typeof obj !== def.typeof){
-    //    rta+='typeof '+JSON.stringify(obj)+' !== '+JSON.stringify(def.typeof);
-    // }
-    // return rta || null;
 }
 
 return discrepances;
diff --git a/test/test.js b/test/test.js
index ba02964..959c92c 100644
--- a/test/test.js
+++ b/test/test.js
@@ -15,8 +15,9 @@ describe("discrepances", function(){
         {a:fechaActual       , b:/a/                , expected: {classes:['Date'  , 'RegExp'], values:[fechaActual, /a/]                    }},
         {skip:true, a:new Date(2011,1,3), b:new Date(2011,1,4) , expected: {difference:'a definir', values:[new Date(2011,1,3), new Date(2011,1,4)] }},
         {a:[1,2,3,4,5]       , b:[1,2,33,4,5,6]     , expected: {array:{length:discrepances(5,6), 2:discrepances(3,33)}                  }},
+        {a:[1,2,3,4,5]       , b:[1,2,3,4,5]     , expected: null                  },
         {a:{x:1, y:2}        , b:{y:3, z:{zz:3}}    , expected: {object:{x:{onlyLeft:1}, y:discrepances(2,3), z:{onlyRight:{zz:3}}}      }},
-        {skip:true, a:{x:1, y:2, z:[3]} , b:{x:1, y:2, z:[3]}  , expected: null                                                                      },
+        {a:{x:1, y:2, z:[3]} , b:{x:1, y:2, z:[3]}  , expected: null                                                                      },
     ].forEach(function(fixture){
         if(fixture.skip) {
             delete fixture.skip;
@@ -24,6 +25,7 @@ describe("discrepances", function(){
             return true;
         }
         it("fixture: "+JSON.stringify(fixture), function(){
+            //console.log("RES", discrepances(fixture.a, fixture.b)); console.log("EXP", fixture.expected);
             expect(discrepances(fixture.a, fixture.b)).to.eql(fixture.expected);
             expect(JSON.stringify(discrepances(fixture.a, fixture.b))).to.eql(JSON.stringify(fixture.expected));
             expect(JSON4all.stringify(discrepances(fixture.a, fixture.b))).to.eql(JSON4all.stringify(fixture.expected));