express/test/app.engine.js
2017-08-05 23:37:39 -04:00

82 lines
2.1 KiB
JavaScript

var express = require('../')
, fs = require('fs');
var path = require('path')
function render(path, options, fn) {
fs.readFile(path, 'utf8', function(err, str){
if (err) return fn(err);
str = str.replace('{{user.name}}', options.user.name);
fn(null, str);
});
}
describe('app', function(){
describe('.engine(ext, fn)', function(){
it('should map a template engine', function(done){
var app = express();
app.set('views', path.join(__dirname, 'fixtures'))
app.engine('.html', render);
app.locals.user = { name: 'tobi' };
app.render('user.html', function(err, str){
if (err) return done(err);
str.should.equal('<p>tobi</p>');
done();
})
})
it('should throw when the callback is missing', function(){
var app = express();
(function(){
app.engine('.html', null);
}).should.throw('callback function required');
})
it('should work without leading "."', function(done){
var app = express();
app.set('views', path.join(__dirname, 'fixtures'))
app.engine('html', render);
app.locals.user = { name: 'tobi' };
app.render('user.html', function(err, str){
if (err) return done(err);
str.should.equal('<p>tobi</p>');
done();
})
})
it('should work "view engine" setting', function(done){
var app = express();
app.set('views', path.join(__dirname, 'fixtures'))
app.engine('html', render);
app.set('view engine', 'html');
app.locals.user = { name: 'tobi' };
app.render('user', function(err, str){
if (err) return done(err);
str.should.equal('<p>tobi</p>');
done();
})
})
it('should work "view engine" with leading "."', function(done){
var app = express();
app.set('views', path.join(__dirname, 'fixtures'))
app.engine('.html', render);
app.set('view engine', '.html');
app.locals.user = { name: 'tobi' };
app.render('user', function(err, str){
if (err) return done(err);
str.should.equal('<p>tobi</p>');
done();
})
})
})
})