mirror of
https://github.com/harttle/liquidjs.git
synced 2026-09-15 12:20:40 -07:00
227 lines
7.7 KiB
JavaScript
227 lines
7.7 KiB
JavaScript
const chai = require('chai')
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const expect = chai.expect
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const Liquid = require('..')
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const mock = require('mock-fs')
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chai.use(require('chai-as-promised'))
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describe('liquid', function () {
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var engine, strictEngine, ctx
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beforeEach(function () {
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ctx = {
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name: 'harttle',
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arr: [-2, 'a'],
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obj: {
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foo: 'bar'
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}
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}
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engine = Liquid({
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root: '/root/',
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extname: '.html'
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})
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strictEngine = Liquid({
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root: '/root',
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extname: '.html',
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strict_filters: true
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})
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mock({
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'/root/files/foo.html': 'foo',
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'/root/files/name.html': 'My name is {{name}}.',
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'/un-readable.html': mock.file({
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mode: '0000'
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})
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})
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})
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afterEach(function () {
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mock.restore()
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})
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describe('{{output}}', function () {
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it('should output object', function () {
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return expect(engine.parseAndRender('{{obj}}', ctx)).to.eventually.equal('{"foo":"bar"}')
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})
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it('should output array', function () {
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return expect(engine.parseAndRender('{{arr}}', ctx)).to.eventually.equal('[-2,"a"]')
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})
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it('should output undefined to empty', function () {
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return expect(engine.parseAndRender('foo{{zzz}}bar', ctx)).to.eventually.equal('foobar')
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})
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it('should render as null when filter undefined', function () {
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return expect(engine.parseAndRender('{{"foo" | filter1}}', ctx)).to.eventually.equal('foo')
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})
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it('should throw upon undefined filter when strict_filters set', function () {
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return expect(strictEngine.parseAndRender('{{arr | filter1}}', ctx)).to
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.be.rejectedWith(/undefined filter: filter1/)
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})
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})
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it('should parse html', function () {
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expect(function () {
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engine.parse('{{obj}}')
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}).to.not.throw()
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expect(function () {
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engine.parse('<html><head>{{obj}}</head></html>')
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}).to.not.throw()
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})
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it('should render template multiple times', function () {
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var template = engine.parse('{{obj}}')
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return engine.render(template, ctx)
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.then((result) => {
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expect(result).to.equal('{"foo":"bar"}')
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return engine.render(template, ctx)
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})
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.then((result) => {
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return expect(result).to.equal('{"foo":"bar"}')
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})
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})
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it('should render filters', function () {
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var template = engine.parse('<p>{{arr | join: "_"}}</p>')
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return expect(engine.render(template, ctx)).to.eventually.equal('<p>-2_a</p>')
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})
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it('should render accessive filters', function () {
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var src = '{% assign my_array = "apples, oranges, peaches, plums" | split: ", " %}' +
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'{{ my_array | first }}'
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return expect(engine.parseAndRender(src)).to.eventually.equal('apples')
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})
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describe('#renderFile()', function () {
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it('should render file', function () {
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return expect(engine.renderFile('/root/files/foo.html', ctx))
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.to.eventually.equal('foo')
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})
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it('should accept relative path', function () {
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return expect(engine.renderFile('files/foo.html'))
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.to.eventually.equal('foo')
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})
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it('should resolve array as root', function () {
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engine = Liquid({
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root: ['/boo', '/root/'],
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extname: '.html'
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})
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return expect(engine.renderFile('files/foo.html'))
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.to.eventually.equal('foo')
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})
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it('should default root to cwd', function () {
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var files = {}
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files[process.cwd() + '/foo.html'] = 'FOO'
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mock(files)
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engine = Liquid({
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extname: '.html'
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})
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return expect(engine.renderFile('foo.html'))
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.to.eventually.equal('FOO')
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})
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it('should render file with context', function () {
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return expect(engine.renderFile('/root/files/name.html', ctx)).to.eventually.equal('My name is harttle.')
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})
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it('should use default extname', function () {
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return expect(engine.renderFile('files/name', ctx)).to.eventually.equal('My name is harttle.')
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})
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it('should throw with lookup list when file not exist', function () {
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engine = Liquid({
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root: ['/boo', '/root/'],
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extname: '.html'
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})
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return expect(engine.renderFile('/not/exist.html')).to
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.be.rejectedWith(/failed to lookup \/not\/exist.html in: \/boo,\/root\//i)
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})
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it('should throw when file not readable', function () {
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return expect(engine.renderFile('/un-readable.html')).to
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.be.rejectedWith(/EACCES/)
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})
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})
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describe('strict', function () {
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it('should not throw when strict_variables false (default)', function () {
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return expect(engine.parseAndRender('before{{notdefined}}after', ctx)).to
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.eventually.equal('beforeafter')
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})
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it('should throw when strict_variables true', function () {
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var tpl = engine.parse('before{{notdefined}}after')
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var opts = {
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strict_variables: true
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}
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return expect(engine.render(tpl, ctx, opts)).to
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.be.rejectedWith(/undefined variable: notdefined/)
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})
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it('should pass strict_variables to render by parseAndRender', function () {
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var html = 'before{{notdefined}}after'
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var opts = {
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strict_variables: true
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}
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return expect(engine.parseAndRender(html, ctx, opts)).to
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.be.rejectedWith(/undefined variable: notdefined/)
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})
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})
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describe('cache', function () {
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it('should be disabled by default', function () {
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return engine.renderFile('files/foo')
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.then(x => expect(x).to.equal('foo'))
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.then(() => mock({
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'/root/files/foo.html': 'bar'
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}))
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.then(() => engine.renderFile('files/foo'))
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.then(x => expect(x).to.equal('bar'))
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})
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it('should respect cache=true option', function () {
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engine = Liquid({
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root: '/root/',
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extname: '.html',
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cache: true
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})
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return engine.renderFile('files/foo')
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.then(x => expect(x).to.equal('foo'))
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.then(() => mock({
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'/root/files/foo.html': 'bar'
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}))
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.then(() => engine.renderFile('files/foo'))
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.then(x => expect(x).to.equal('foo'))
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})
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})
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describe('trim_left, trim_right', function () {
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it('should trim_left for tags when trim_left=true', function () {
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engine = Liquid({
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trim_left: true
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})
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return expect(engine.parseAndRender(' \n \t{%if true%}foo{%endif%} '))
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.to.eventually.equal(' \nfoo ')
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})
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it('should trim_right for tags when trim_right=true', function () {
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engine = Liquid({
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trim_right: true
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})
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return expect(engine.parseAndRender('\t{%if true%}foo{%endif%} \n'))
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.to.eventually.equal('\tfoo')
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})
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it('should trim all blanks before and after when greedy=true', function () {
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engine = Liquid({
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greedy: true
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})
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return expect(engine.parseAndRender('\t{%-if true%}foo{%endif-%} \n \n'))
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.to.eventually.equal('foo')
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})
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it('should support trim using markup', function () {
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engine = Liquid()
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var src = [
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'{%- assign username = "John G. Chalmers-Smith" -%}',
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'{%- if username and username.length > 10 -%}',
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' Wow, {{ username }}, you have a long name!',
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'{%- else -%}',
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' Hello there!',
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'{%- endif -%}\n'
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].join('\n')
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var dst = ' Wow, John G. Chalmers-Smith, you have a long name!\n'
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return expect(engine.parseAndRender(src)).to.eventually.equal(dst)
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})
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it('should not trim when not specified', function () {
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engine = Liquid()
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var src = [
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'{% assign username = "John G. Chalmers-Smith" %}',
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'{% if username and username.length > 10 %}',
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' Wow, {{ username }}, you have a long name!',
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'{% else %}',
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' Hello there!',
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'{% endif %}\n'
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].join('\n')
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var dst = '\n\n Wow, John G. Chalmers-Smith, you have a long name!\n\n'
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return expect(engine.parseAndRender(src)).to.eventually.equal(dst)
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})
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})
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})
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