@basd/nested/test/nested.test.js

Allows you to create deeply nested object structures, while also enabling you to traverse them efficiently.

const Nested = require('../lib/nested')

describe('Nested class', () => {

  it('should set parent and path in constructor', () => {
    const parent = new Nested({ path: ['root'] })
    const child = new Nested({ parent, path: ['root', 'child'] })

    expect(child.parent).to.equal(parent)
    expect(child.path).to.eql(['root', 'child'])
  })

  it('should return the root node', () => {
    const root = new Nested({ path: ['root'] })
    const child = new Nested({ parent: root, path: ['root', 'child'] })
    const grandChild = new Nested({ parent: child, path: ['root', 'child', 'grandChild'] })

    expect(grandChild.root).to.equal(root)
  })

  it('should create a sub-node with correct properties', () => {
    const root = new Nested({ path: ['root'] })
    const subNode = root.sub('child')

    expect(subNode.parent).to.equal(root)
    expect(subNode.path).to.eql(['root', 'child'])
  })
})