Files
liquidjs/test/liquid.js
T

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JavaScript

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 parse html', function() {
(function() {
engine.parse('{{obj}}');
}).should.not.throw();
(function() {
engine.parse('<html><head>{{obj}}</head></html>');
}).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('<p>{{arr | join: "_"}}</p>');
return engine.render(template, ctx).should.eventually.equal('<p>-2_a</p>');
});
describe('#renderFile()', function() {
it('should render file', function() {
return engine.renderFile('/root/files/foo.html', ctx).should.eventually.equal('foo');
});
it('should render file relative to root', function() {
return engine.renderFile('files/foo.html', ctx).should.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 render file with default extname', function() {
return engine.renderFile('files/name', ctx).should.eventually.equal('My name is harttle.');
});
});
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');
});
});
});
});