sexp-template/test/parser.js

const test = require('tape')

const Lexer = require('../src/lexer')
const Node = require('../src/node')
const Parser = require('../src/parser')
const tt = require('../src/tokenTypes')

test('parses token stream into a tree', t => {
  t.plan(1)
  const lexer = new Lexer()
  let tokenStream = lexer.scan(`
    (div :class "foobar"
      (p :class "bazquux"))
  `)
  let parser = new Parser(tokenStream)
  let tree = parser.parse()

  t.deepEqual(
    tree,
    [
      new Node({
        type: 'functionCall',
        functionName: 'div',
        args: [
          new Node({
            attributeName: 'class',
            attributeValue: 'foobar',
          })
        ],
        subtree: [
          new Node({
            type: 'functionCall',
            functionName: 'p',
            args: [
              new Node({
                attributeName: 'class',
                attributeValue: 'bazquux',
              })
            ],
            subtree: [],
          })
        ]
      })
    ]
  )
})