const chai = require("chai"); const chaiAsPromised = require("chai-as-promised"); const should = chai.should(); const expect = chai.expect; const Liquid = require('..'); const mock = require('mock-fs'); chai.use(chaiAsPromised); describe('liquid', function() { var engine, ctx; beforeEach(function() { ctx = { name: 'harttle', arr: [-2, 'a'], obj: { foo: 'bar' } }; engine = Liquid({ root: '/root/', extname: '.html' }); mock({ '/root/files/foo.html': 'foo', '/root/files/name.html': 'My name is {{name}}.' }); }); afterEach(function() { mock.restore(); }); it('should output object', function() { return engine.parseAndRender('{{obj}}', ctx).should.eventually.equal('{"foo":"bar"}'); }); it('should output array', function() { return engine.parseAndRender('{{arr}}', ctx).should.eventually.equal('[-2,"a"]'); }); it('should output undefined to empty', function() { return engine.parseAndRender('foo{{zzz}}bar', ctx).should.eventually.equal('foobar'); }); it('should render as null when filter undefined', function() { return engine.parseAndRender('{{arr | filter1}}', ctx).should.eventually.equal(''); }); it('should throw upon undefined filter when strict_filters set', function() { var opts = { strict_filters: true }; return expect(engine.parseAndRender('{{arr | filter1}}', ctx, opts)).to .be.rejectedWith(/undefined filter: filter1/); }); it('should parse html', function() { (function() { engine.parse('{{obj}}'); }).should.not.throw(); (function() { engine.parse('{{obj}}'); }).should.not.throw(); }); it('should render template multiple times', function() { var template = engine.parse('{{obj}}'); return engine.render(template, ctx) .then((result) => { expect(result).to.equal('{"foo":"bar"}'); return engine.render(template, ctx); }) .then((result) => { return expect(result).to.equal('{"foo":"bar"}'); }); }); it('should render filters', function() { var template = engine.parse('

{{arr | join: "_"}}

'); return engine.render(template, ctx).should.eventually.equal('

-2_a

'); }); describe('#renderFile()', function() { it('should render file', function() { return engine.renderFile('/root/files/foo.html', ctx).should.eventually.equal('foo'); }); it('should accept relative path', function() { return expect(engine.renderFile('files/foo.html')).to.eventually.equal('foo'); }); it('should render file with context', function() { return engine.renderFile('/root/files/name.html', ctx).should.eventually.equal('My name is harttle.'); }); it('should use default extname', function() { return engine.renderFile('files/name', ctx).should.eventually.equal('My name is harttle.'); }); it('should accept root with no trailing slash', function(){ engine = Liquid({ root: '/root', extname: '.html' }); return expect(engine.renderFile('files/foo.html')).to.eventually.equal('foo'); }); it('should accept dot path', function(){ return expect(engine.renderFile('./files/foo.html')).to.eventually.equal('foo'); }); it('should accept double-dot path', function(){ return expect(engine.renderFile('files/foo/../foo.html')).to.eventually.equal('foo'); }); }); describe('#express()', function() { it('should render templates', function() { engine.express()('/root/files/name.html', ctx, function(err, html) { expect(err).to.equal(null); expect(html).to.equal('My name is harttle.'); }); }); it('should pass error when file not found', function() { engine.express()('/root/files/name1.html', ctx, function(err, html) { expect(err.code).to.equal('ENOENT'); }); }); }); describe('strict', function() { it('should not throw when strict_variables false (default)', function() { return expect(engine.parseAndRender('before{{notdefined}}after', ctx)).to .eventually.equal('beforeafter'); }); it('should throw when strict_variables true', function() { var tpl = engine.parse('before{{notdefined}}after'); var opts = { strict_variables: true }; return expect(engine.render(tpl, ctx, opts)).to .be.rejectedWith(/undefined variable: notdefined/); }); it('should pass strict_variables to render by parseAndRender', function() { var html = 'before{{notdefined}}after'; var opts = { strict_variables: true }; return expect(engine.parseAndRender(html, ctx, opts)).to .be.rejectedWith(/undefined variable: notdefined/); }); }); describe('cache', function() { it('should be disabled by default', function() { mock({ '/root/files/foo.html': 'bar' }); return engine.renderFile('files/foo', ctx).should.eventually.equal('bar'); }); it('should respect cache=true option', function() { engine = Liquid({ root: '/root/', extname: '.html', cache: true }); return engine.renderFile('files/foo', ctx) .then((result) => { return expect(result).to.equal('foo'); }) .then((result) => { mock({ '/root/files/foo.html': 'bar' }); return engine.renderFile('files/foo', ctx); }) .then((result) => { return expect(result).to.equal('foo'); }); }); }); });