implement JSON methods for tree

test/test.looptracker.ts

@@ -1,7 +1,7 @@
 // import test framework
 import { expect, tap } from '@pushrocks/tapbundle';
 import * as events from 'events';
-import * as smartq from 'smartq';
+import * as smartpromise from '@pushrocks/smartpromise';
 
 // import the module
 import * as lik from '../ts/index';

test/test.objectmap.ts

@@ -1,7 +1,7 @@
 // import test framework
 import { expect, tap } from '@pushrocks/tapbundle';
 import * as events from 'events';
-import * as smartq from 'smartq';
+import * as smartpromise from '@pushrocks/smartpromise';
 
 // import the module
 import * as lik from '../ts/index';

test/test.stringmap.ts

@@ -1,7 +1,7 @@
 // import test framework
 import { expect, tap } from '@pushrocks/tapbundle';
 import * as events from 'events';
-import * as smartq from 'smartq';
+import * as smartpromise from '@pushrocks/smartpromise';
 
 // import the module
 import * as lik from '../ts/index';

test/test.tree.ts

@@ -1,14 +1,20 @@
 import { tap, expect } from '@pushrocks/tapbundle';
 import * as lik from '../ts/index';
 
-let testTree = new lik.Tree<TestClass>();
-
 class TestClass {
   constructor(public hey: string) {
     // nothing here
   }
 }
+
+let testTree = new lik.Tree<TestClass>();
+
 let testInstance = new TestClass('first');
+let testInstance2 = new TestClass('second');
+let testInstance3 = new TestClass('third');
+let testInstance4 = new TestClass('fourth');
+let testInstance5 = new TestClass('fifth');
+let testInstance6 = new TestClass('sixth');
 
 tap.test('create a valid tree instance', async () => {
   testTree = new lik.Tree();
@@ -21,4 +27,14 @@ tap.test('should insert an object', async () => {
   expect(resultArray).to.contain(testInstance);
 });
 
+tap.test('should add other objects in a hierachy', async () => {
+  testTree.appendChild(testInstance, testInstance2);
+  testTree.appendChild(testInstance, testInstance3);
+  testTree.appendChild(testInstance, testInstance4);
+})
+
+tap.test('should create a JSON object that reflects a tree\'s hierachy', async () => {
+  const jsonTreet = testTree.toJsonWithHierachy(testInstance);
+});
+
 tap.start();