vat-tree/test/test.js

A tree data structure with ordered branches

var assert = require('assert');
var Node = require('..').Node;

describe('Tree', function () {

  describe('handle children', function () {
    
    it('Add child', function () {
      
      var tree = new Node({}, true);
      tree.addChild(new Node())

      assert.equal(tree.hasChildren(), true);
    });

    it('Add children\'s children', function () {
      
      var tree = new Node({}, true);
      var child = new Node()
      tree.addChild(child)
      child.addChild(new Node())

      assert.equal(child.hasChildren(), true);
    });

    it('Get next sibling', function () {
      
      var tree = new Node({}, true);
      var child1 = new Node()
      var child2 = new Node()

      tree.addChild(child1)
      tree.addChild(child2)
      

      assert.equal(child1.getNextSibling(), child2);
    });

    it('Add child returns child', function () {
      
      var tree = new Node({}, true);
      var child1 = new Node()
      var child2 = new Node()

      tree.addChild(child1)
      var myReturnedVal = tree.addChild(child2)
      

      assert.equal(child1.getNextSibling(), myReturnedVal);
    });

  });
});