als-document/tests/query.test.js

A powerful HTML parser & DOM manipulation library for both backend and frontend.

const { describe, it } = require('node:test')
const assert = require('node:assert')
const { Query } = require('../index')


const q1 = 'html>body>div.tabs~.some[type $= "some"][test]>p+div>.some-id .tab-content~input[disabled] div.some'
const s1 = Query.get(q1)[0]

describe('query tests',() => {
   it('Check target',() => {
      const expected = 'div.some'
      let {tag,classList} = s1
      assert(`${tag}.${classList[0]}` === expected)
   })
   it('Check ancestors length',() => {
      assert(s1.ancestors.length === 2)
   })
   it('Check prev group',() => {
      const expected = s1.ancestors[0].group.split('+')[0]
      assert(s1.ancestors[0].prev.group === expected)
   })
   it('Check parents length',() => {
      assert(s1.ancestors[0].parents.length === 1)
   })
   it('Check prev any, prev and classList',() => {
      assert(s1.ancestors[0].prev.prevAny.classList[0] === 'tabs')
   })
   it('Check attributes length',() => {
      assert(s1.ancestors[0].prev.parents[0].attribs.length === 2)
   })
   it('Check attributes fn $',() => {
      assert(s1.ancestors[0].prev.parents[0].attribs[0].check('test and some') === true)
   })
   it('Check attributes fn *=',() => {
      assert(s1.ancestors[0].prev.parents[0].attribs[0].check('some') === true)
   })
   it('Check attributes fn *=',() => {
      let s = Query.get('[test*="some value"]')[0]
      assert(s.attribs[0].check('some value test') === true)
   })
   it('Check attributes fn ~= prase instead single word',() => {
      let s = Query.get('[test~="some value"]')[0]
      assert(s.attribs[0].check('some value test') === false)
   })
   it('Check attributes fn ~=',() => {
      let s = Query.get('[test~="value"]')[0]
      assert(s.attribs[0].check('some value test') === true)
   })
   it('Check attributes fn ^=',() => {
      let s = Query.get('[test^="some"]')[0]
      assert(s.attribs[0].check('some value test') === true)
   })
   it('Check attributes fn |= with few words',() => {
      let s = Query.get('[test|="some value test"]')[0]
      assert(s.attribs[0].check('some') === false)
   })
   it('Check attributes fn |=word',() => {
      let s = Query.get('[test|="some"]')[0]
      assert(s.attribs[0].check('some') === true)
   })
   it('Check attributes fn |=word-word',() => {
      let s = Query.get('[test|="some"]')[0]
      assert(s.attribs[0].check('some-value') === true)
   })
})