js-libp2p-utils/test/multiaddr/is-loopback.spec.js

/* eslint-env mocha */
'use strict'

const { expect } = require('aegir/utils/chai')
const multiaddr = require('multiaddr')

const isLoopback = require('../../src/multiaddr/is-loopback')

describe('multiaddr isLoopback', () => {
  it('identifies loopback ip4 multiaddrs', () => {
    [
      new multiaddr.Multiaddr('/ip4/127.0.0.1/tcp/1000'),
      new multiaddr.Multiaddr('/ip4/127.0.1.1/tcp/1000'),
      new multiaddr.Multiaddr('/ip4/127.1.1.1/tcp/1000'),
      new multiaddr.Multiaddr('/ip4/127.255.255.255/tcp/1000')
    ].forEach(ma => {
      expect(isLoopback(ma)).to.eql(true)
    })
  })

  it('identifies non loopback ip4 multiaddrs', () => {
    [
      new multiaddr.Multiaddr('/ip4/101.0.26.90/tcp/1000'),
      new multiaddr.Multiaddr('/ip4/10.0.0.1/tcp/1000'),
      new multiaddr.Multiaddr('/ip4/192.168.0.1/tcp/1000'),
      new multiaddr.Multiaddr('/ip4/172.16.0.1/tcp/1000')
    ].forEach(ma => {
      expect(isLoopback(ma)).to.eql(false)
    })
  })

  it('identifies loopback ip6 multiaddrs', () => {
    [
      new multiaddr.Multiaddr('/ip6/::1/tcp/1000')
    ].forEach(ma => {
      expect(isLoopback(ma)).to.eql(true)
    })
  })

  it('identifies non loopback ip6 multiaddrs', () => {
    [
      new multiaddr.Multiaddr('/ip6/2001:8a0:7ac5:4201:3ac9:86ff:fe31:7095/tcp/1000'),
      new multiaddr.Multiaddr('/ip6/::/tcp/1000')
    ].forEach(ma => {
      expect(isLoopback(ma)).to.eql(false)
    })
  })

  it('identifies other multiaddrs as not loopback addresses', () => {
    [
      new multiaddr.Multiaddr('/dns4/wss0.bootstrap.libp2p.io/tcp/443'),
      new multiaddr.Multiaddr('/dns6/wss0.bootstrap.libp2p.io/tcp/443')
    ].forEach(ma => {
      expect(isLoopback(ma)).to.eql(false)
    })
  })
})