htmldiff/test/html_to_tokens.spec.coffee

HTML Diffing in JavaScript (CoffeeScript)

describe 'html_to_tokens', ->
  beforeEach ->
    @cut = (require '../src/htmldiff.coffee').html_to_tokens

  it 'should be a function', ->
    (expect @cut).is.a 'function'

  describe 'when called with text', ->
    beforeEach ->
      @res = @cut 'this is a test'

    it 'should return 4', ->
      (expect @res.length).to.equal 7

  describe 'when called with html', ->
    beforeEach ->
      @res = @cut '<p>this is a <strong>test</strong></p>'

    it 'should return 11', ->
      (expect @res.length).to.equal 11

  it 'should identify contiguous whitespace as a single token', ->
    (expect @cut 'a   b').to.eql ['a', '   ', 'b']

  it 'should identify a single space as a single token', ->
    (expect @cut ' a b ').to.eql [' ', 'a', ' ', 'b', ' ']

  it 'should identify self closing tags as tokens', ->
    (expect @cut '<p>hello</br>goodbye</p>')
    .eql ['<p>', 'hello', '</br>', 'goodbye', '</p>']