import { Liquid } from '../..'
import { expect, use } from 'chai'
import * as chaiAsPromised from 'chai-as-promised'
use(chaiAsPromised)
describe('.parseAndRender()', function () {
var engine: Liquid, strictEngine: Liquid
beforeEach(function () {
engine = new Liquid()
strictEngine = new Liquid({
strictFilters: true
})
})
it('should stringify array ', async function () {
var ctx = { arr: [-2, 'a'] }
const html = await engine.parseAndRender('{{arr}}', ctx)
return expect(html).to.equal('-2,a')
})
it('should render undefined as empty', async function () {
const html = await engine.parseAndRender('foo{{zzz}}bar', {})
return expect(html).to.equal('foobar')
})
it('should render as null when filter undefined', async function () {
const html = await engine.parseAndRender('{{"foo" | filter1}}', {})
return expect(html).to.equal('foo')
})
it('should throw upon undefined filter when strictFilters set', function () {
return expect(strictEngine.parseAndRender('{{"foo" | filter1}}', {})).to
.be.rejectedWith(/undefined filter: filter1/)
})
it('should parse html', function () {
expect(function () {
engine.parse('{{obj}}')
}).to.not.throw()
expect(function () {
engine.parse('{{obj}}')
}).to.not.throw()
})
it('template should be able to be rendered multiple times', async function () {
const ctx = { obj: [1, 2] }
const template = engine.parse('{{obj}}')
const result = await engine.render(template, ctx)
expect(result).to.equal('1,2')
const result2 = await engine.render(template, ctx)
expect(result2).to.equal('1,2')
})
it('should render filters', async function () {
var ctx = { names: ['alice', 'bob'] }
var template = engine.parse('{{names | join: ","}}
')
const html = await engine.render(template, ctx)
return expect(html).to.equal('alice,bob
')
})
it('should render accessive filters', async function () {
var src = '{% assign my_array = "apples, oranges, peaches, plums" | split: ", " %}' +
'{{ my_array | first }}'
const html = await engine.parseAndRender(src)
return expect(html).to.equal('apples')
})
it('should support nil(null, undefined) literal', async function () {
const src = '{% if notexist == nil %}true{% endif %}'
const html = await engine.parseAndRender(src)
expect(html).to.equal('true')
})
})