Add electron

backend/src/Model/spec/TreeNode.findNode.spec.ts

@@ -0,0 +1,29 @@
+import { TreeNode, TreeNodeFactory } from '../'
+import { expect } from 'chai';
+import 'mocha';
+
+import './TreeNode.findNode'
+
+describe('TreeNode.findNode', () => {
+  it('findNode should retrieve node', () => {
+    const topics = 'foo/bar/baz'.split('/')
+    const leaf = TreeNodeFactory.fromEdgesAndValue(topics, 5)
+
+    let root = leaf.firstNode()
+    expect(root.sourceEdge.name).to.eq('')
+
+    let barNode = root.findNode('foo/bar')
+    if (!barNode) {
+      expect.fail('did not find node')
+      return
+    }
+    expect(barNode.sourceEdge.name).to.eq('bar')
+
+    let bazNode = root.findNode('foo/bar/baz')
+    if (!bazNode) {
+      expect.fail('did not find node')
+      return
+    }
+    expect(bazNode.sourceEdge.name).to.eq('baz')
+  })
+})