Files
liquidjs/test/tokenizer.js
T
2017-04-24 21:31:30 +08:00

115 lines
4.2 KiB
JavaScript

const chai = require('chai')
const parse = require('../src/tokenizer.js').parse
const whiteSpaceCtrl = require('../src/tokenizer.js').whiteSpaceCtrl
const expect = chai.expect
describe('tokenizer', function () {
describe('parse', function () {
it('should handle plain HTML', function () {
var html = '<html><body><p>Lorem Ipsum</p></body></html>'
var tokens = parse(html)
expect(tokens.length).to.equal(1)
expect(tokens[0].value).to.equal(html)
expect(tokens[0].type).to.equal('html')
})
it('should throw when non-string passed in', function () {
expect(function () {
parse({})
}).to.throw('illegal input type')
})
it('should handle tag syntax', function () {
var html = '<p>{% for p in a[1]%}</p>'
var tokens = parse(html)
expect(tokens.length).to.equal(3)
expect(tokens[1].type).to.equal('tag')
expect(tokens[1].value).to.equal('for p in a[1]')
})
it('should handle output syntax', function () {
var html = '<p>{{foo | date: "%Y-%m-%d"}}</p>'
var tokens = parse(html)
expect(tokens.length).to.equal(3)
expect(tokens[1].type).to.equal('output')
expect(tokens[1].value).to.equal('foo | date: "%Y-%m-%d"')
})
it('should handle successive outputs and tags', function () {
var html = '{{foo}}{{bar}}{%foo%}{%bar%}'
var tokens = parse(html)
expect(tokens.length).to.equal(4)
expect(tokens[0].type).to.equal('output')
expect(tokens[3].type).to.equal('tag')
expect(tokens[1].value).to.equal('bar')
expect(tokens[2].value).to.equal('foo')
})
it('should keep white spaces and newlines', function () {
var html = '{%foo%}\n{%bar %} \n {%alice%}'
var tokens = parse(html)
expect(tokens.length).to.equal(5)
expect(tokens[1].type).to.equal('html')
expect(tokens[1].raw).to.equal('\n')
expect(tokens[3].type).to.equal('html')
expect(tokens[3].raw).to.equal(' \n ')
})
it('should handle multiple lines tag', function () {
var html = '{%foo\na:a\nb:1.23\n%}'
var tokens = parse(html)
expect(tokens.length).to.equal(1)
expect(tokens[0].type).to.equal('tag')
expect(tokens[0].args).to.equal('a:a\nb:1.23')
expect(tokens[0].raw).to.equal('{%foo\na:a\nb:1.23\n%}')
})
it('should handle multiple lines output', function () {
var html = '{{foo\n|date:\n"%Y-%m-%d"\n}}'
var tokens = parse(html)
expect(tokens.length).to.equal(1)
expect(tokens[0].type).to.equal('output')
expect(tokens[0].raw).to.equal('{{foo\n|date:\n"%Y-%m-%d"\n}}')
})
})
describe('whitespace control', function () {
it('should not strip by default', function () {
expect(whiteSpaceCtrl('\n {%foo%} \n')).to.equal('\n {%foo%} \n')
})
it('should strip all blank characters before and after', function () {
expect(whiteSpaceCtrl(' \t\r{%-foo-%} \t\n')).to.equal('{%-foo-%}')
})
it('should not trim previous/next lines', function () {
expect(whiteSpaceCtrl(' \t\n {%-foo-%}')).to.equal(' \t\n{%-foo-%}')
expect(whiteSpaceCtrl('{%-foo-%} \n \tfoo')).to.equal('{%-foo-%} \tfoo')
})
it('should trim exactly one trailing CR', function () {
expect(whiteSpaceCtrl('{%-foo-%} \n\n')).to.equal('{%-foo-%}\n')
})
it('should trim all leading/trailing blanks when options.greedy set', function () {
expect(whiteSpaceCtrl(' \n \n\t\r{%-foo-%}\n \n', {
greedy: true
})).to.equal('{%-foo-%}')
})
it('should strip whitespaces when set trim_left', function () {
expect(whiteSpaceCtrl('\n {%foo%} \n', {
trim_left: true
})).to.equal('\n{%-foo%} \n')
})
it('should strip whitespaces when set trim_right', function () {
expect(whiteSpaceCtrl('\n {%foo%} \n', {
trim_right: true
})).to.equal('\n {%foo-%}')
})
it('markup should has priority over options', function () {
expect(whiteSpaceCtrl('\n {%-foo%} \n', {
trim_left: false
})).to.equal('\n{%-foo%} \n')
})
it('should support a mix of markup and options', function () {
expect(whiteSpaceCtrl(' {%-foo%} \n', {
trim_left: true,
trim_right: true
})).to.equal('{%-foo-%}')
})
})
})