test.js

const fs = require('fs')
const anon = require('./anon')

const { assert } = require('chai')
const { compareIps, isIpInRange, isIpInAnyRange } = anon

describe('anon', function () {
  describe('compareIps ipv4', function () {
    it('equal', () => assert.equal(0, compareIps('1.1.1.1', '1.1.1.1')))
    it('greater than', () => assert.equal(1, compareIps('1.1.1.2', '1.1.1.1')))
    it('less than', () => assert.equal(-1, compareIps('1.1.1.1', '1.1.1.2')))
  })

  describe('compareIps ipv6', function () {
    it('equal', () =>
      assert.equal(
        0,
        compareIps(
          '2601:8:b380:3f3:540b:fdbf:bc5:a6bf',
          '2601:8:b380:3f3:540b:fdbf:bc5:a6bf',
        ),
      ))
    it('greater than', () =>
      assert.equal(
        1,
        compareIps(
          '2600:8:b380:3f3:540b:fdbf:bc5:a6bf',
          '2600:8:b380:3f3:540b:fdbf:bc5:a6be',
        ),
      ))
    it('less than', () =>
      assert.equal(
        -1,
        compareIps(
          '2600:8:b380:3f3:540b:fdbf:bc5:a6be',
          '2601:8:b380:3f3:540b:fdbf:bc5:a6bf',
        ),
      ))
  })

  describe('isIpInRange ipv4', function () {
    it('ip in range', () =>
      assert.isTrue(
        isIpInRange('123.123.123.123', ['123.123.123.0', '123.123.123.255']),
      ))
    it('ip less than range', () =>
      assert.isFalse(
        isIpInRange('123.123.122.123', ['123.123.123.0', '123.123.123.123']),
      ))
    it('ip greater than range', () =>
      assert.isFalse(
        isIpInRange('123.123.123.123', ['123.123.123.0', '123.123.123.122']),
      ))
    it('ip in cidr range', () =>
      assert.isTrue(isIpInRange('123.123.123.123', '123.123.0.0/16')))
    it('ip is not in cidr range', () =>
      assert.isFalse(isIpInRange('123.123.124.1', '123.123.123.0/24')))
  })

  describe('isIpInRange ipv6', function () {
    it('ipv6 in range', () =>
      assert.isTrue(
        isIpInRange('0000:0000:0000:0000:0000:0000:0000:0001', [
          '0000:0000:0000:0000:0000:0000:0000:0000',
          '0000:0000:0000:0000:0000:0000:0000:0002',
        ]),
      ))
    it('ipv6 not in range', () =>
      assert.isFalse(
        isIpInRange('0000:0000:0000:0000:0000:0000:0000:0001', [
          '0000:0000:0000:0000:0000:0000:0000:0002',
          '0000:0000:0000:0000:0000:0000:0000:0003',
        ]),
      ))
    it('ipv4 in ipv6 range', () =>
      assert.isTrue(
        isIpInRange('127.0.0.1', [
          '0:0:0:0:0:ffff:7f00:1',
          '0:0:0:0:0:ffff:7f00:2',
        ]),
      ))
    it('ipv4 not in ipv6 range', () =>
      assert.isFalse(
        isIpInRange('127.0.0.3', [
          '0:0:0:0:0:ffff:7f00:1',
          '0:0:0:0:0:ffff:7f00:2',
        ]),
      ))
    it('ipv6 in ipv6 cidr', () =>
      assert.isTrue(
        isIpInRange(
          '0000:0000:0000:0000:0000:0000:1000:0005',
          '0000:0000:0000:0000:0000:0000:1000:0000/112',
        ),
      ))
    it('ipv6 in ipv4 cidr', () =>
      assert.isTrue(isIpInRange('0:0:0:0:0:ffff:8e33:1', '142.51.0.0/16')))
    it('ipv6 not in ipv4 cidr', () =>
      assert.isFalse(isIpInRange('0:0:0:0:0:ffff:8e34:1', '142.51.0.0/16')))
  })

  describe('isIpInAnyRange', function () {
    const r1 = ['1.1.1.0', '1.1.1.5']
    const r2 = ['2.2.2.0', '2.2.2.5']

    it('ip in first range', () =>
      assert.isTrue(isIpInAnyRange('1.1.1.1', [r1, r2])))
    it('ip in second range', () =>
      assert.isTrue(isIpInAnyRange('2.2.2.1', [r1, r2])))
    it('ip not in any ranges', () =>
      assert.isFalse(isIpInAnyRange('1.1.1.6', [r1, r2])))
    it('false positive not in ranges #12', function () {
      assert.isFalse(
        isIpInAnyRange('199.19.250.20', [
          ['199.19.16.0', '199.19.27.255'],
          ['4.42.247.224', '4.42.247.255'],
        ]),
      )
      assert.isFalse(
        isIpInAnyRange('39.255.255.148', [
          ['40.0.0.0', '40.127.255.255'],
          ['40.144.0.0', '40.255.255.255'],
        ]),
      )
    })
  })

  describe('getStatus', function () {
    it('works', function () {
      const edit = { page: 'Foo', url: 'http://example.com' }
      const name = 'Bar'
      const template = '{{page}} edited by {{name}} {{&url}}'
      const result = anon.getStatus(edit, name, template)
      assert.equal('Foo edited by Bar http://example.com', result)
    })
    it('truncates when > 280 chars', function () {
      // twitter shortens all urls, so we use a shortened one here
      const edit = {
        page: Array(280).join('x'),
        url: 'http://t.co/BzHLWr31Ce',
      }
      const name = 'test'
      const template = '{{page}} edited by {{name}} {{&url}}'
      const result = anon.getStatus(edit, name, template)
      assert.isTrue(result.length <= 280)
    })
  })

  describe('takeScreenshot', function () {
    it('works', function (done) {
      this.timeout(20000)
      const url =
        'https://en.wikipedia.org/w/index.php?diff=619968907&oldid=619663144'
      anon.takeScreenshot(url).then(function (path) {
        fs.stat(path, (err, stat) => {
          assert.isNull(err)
          assert.isTrue(stat.size > 0)
          fs.unlink(path, done)
        })
      })
    })
  })
})