Add electron

backend/src/Model/spec/Tree.spec.ts

@@ -0,0 +1,18 @@
+import { Edge, Tree, TreeNode, TreeNodeFactory } from '../'
+import { expect } from 'chai';
+import 'mocha';
+
+import './TreeNode.findNode'
+
+describe('Tree', () => {
+  it('node can be merged into a tree', () => {
+    const tree = new Tree()
+
+    const topics = 'foo/bar'.split('/')
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 3)
+    debugger
+    tree.updateWithNode(leaf.firstNode())
+    let expectedNode = tree.findNode('foo/bar')
+    expect(expectedNode).to.eq(leaf)
+  })
+});