368 lines
8.9 KiB
JavaScript
368 lines
8.9 KiB
JavaScript
'use strict'
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var express = require('..');
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var path = require('node:path')
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var request = require('supertest');
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var tmpl = require('./support/tmpl');
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describe('res', function(){
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describe('.render(name)', function(){
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it('should support absolute paths', function(done){
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var app = createApp();
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app.locals.user = { name: 'tobi' };
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app.use(function(req, res){
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res.render(path.join(__dirname, 'fixtures', 'user.tmpl'))
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should support absolute paths with "view engine"', function(done){
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var app = createApp();
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app.locals.user = { name: 'tobi' };
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app.set('view engine', 'tmpl');
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app.use(function(req, res){
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res.render(path.join(__dirname, 'fixtures', 'user'))
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should error without "view engine" set and file extension to a non-engine module', function (done) {
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var app = createApp()
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app.locals.user = { name: 'tobi' }
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app.use(function (req, res) {
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res.render(path.join(__dirname, 'fixtures', 'broken.send'))
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})
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request(app)
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.get('/')
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.expect(500, /does not provide a view engine/, done)
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})
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it('should error without "view engine" set and no file extension', function (done) {
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var app = createApp();
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app.locals.user = { name: 'tobi' };
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app.use(function(req, res){
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res.render(path.join(__dirname, 'fixtures', 'user'))
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});
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request(app)
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.get('/')
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.expect(500, /No default engine was specified/, done);
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})
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it('should expose app.locals', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.locals.user = { name: 'tobi' };
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app.use(function(req, res){
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res.render('user.tmpl');
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should expose app.locals with `name` property', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.locals.name = 'tobi';
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app.use(function(req, res){
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res.render('name.tmpl');
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should support index.<engine>', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.set('view engine', 'tmpl');
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app.use(function(req, res){
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res.render('blog/post');
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});
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request(app)
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.get('/')
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.expect('<h1>blog post</h1>', done);
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})
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describe('when an error occurs', function(){
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it('should next(err)', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.use(function(req, res){
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res.render('user.tmpl');
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});
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app.use(function(err, req, res, next){
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res.status(500).send('got error: ' + err.name)
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});
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request(app)
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.get('/')
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.expect(500, 'got error: RenderError', done)
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})
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})
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describe('when "view engine" is given', function(){
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it('should render the template', function(done){
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var app = createApp();
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app.set('view engine', 'tmpl');
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app.set('views', path.join(__dirname, 'fixtures'))
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app.use(function(req, res){
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res.render('email');
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});
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request(app)
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.get('/')
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.expect('<p>This is an email</p>', done);
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})
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})
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describe('when "views" is given', function(){
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it('should lookup the file in the path', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures', 'default_layout'))
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app.use(function(req, res){
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res.render('user.tmpl', { user: { name: 'tobi' } });
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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describe('when array of paths', function(){
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it('should lookup the file in the path', function(done){
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var app = createApp();
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var views = [
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path.join(__dirname, 'fixtures', 'local_layout'),
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path.join(__dirname, 'fixtures', 'default_layout')
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]
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app.set('views', views);
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app.use(function(req, res){
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res.render('user.tmpl', { user: { name: 'tobi' } });
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});
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request(app)
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.get('/')
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.expect('<span>tobi</span>', done);
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})
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it('should lookup in later paths until found', function(done){
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var app = createApp();
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var views = [
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path.join(__dirname, 'fixtures', 'local_layout'),
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path.join(__dirname, 'fixtures', 'default_layout')
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]
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app.set('views', views);
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app.use(function(req, res){
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res.render('name.tmpl', { name: 'tobi' });
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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})
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})
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})
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describe('.render(name, option)', function(){
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it('should render the template', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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var user = { name: 'tobi' };
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app.use(function(req, res){
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res.render('user.tmpl', { user: user });
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should expose app.locals', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.locals.user = { name: 'tobi' };
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app.use(function(req, res){
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res.render('user.tmpl');
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should expose res.locals', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.use(function(req, res){
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res.locals.user = { name: 'tobi' };
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res.render('user.tmpl');
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});
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request(app)
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.get('/')
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.expect('<p>tobi</p>', done);
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})
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it('should give precedence to res.locals over app.locals', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.locals.user = { name: 'tobi' };
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app.use(function(req, res){
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res.locals.user = { name: 'jane' };
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res.render('user.tmpl', {});
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});
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request(app)
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.get('/')
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.expect('<p>jane</p>', done);
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})
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it('should give precedence to res.render() locals over res.locals', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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var jane = { name: 'jane' };
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app.use(function(req, res){
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res.locals.user = { name: 'tobi' };
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res.render('user.tmpl', { user: jane });
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});
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request(app)
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.get('/')
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.expect('<p>jane</p>', done);
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})
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it('should give precedence to res.render() locals over app.locals', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.locals.user = { name: 'tobi' };
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var jane = { name: 'jane' };
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app.use(function(req, res){
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res.render('user.tmpl', { user: jane });
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});
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request(app)
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.get('/')
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.expect('<p>jane</p>', done);
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})
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})
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describe('.render(name, options, fn)', function(){
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it('should pass the resulting string', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.use(function(req, res){
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var tobi = { name: 'tobi' };
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res.render('user.tmpl', { user: tobi }, function (err, html) {
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html = html.replace('tobi', 'loki');
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res.end(html);
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});
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});
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request(app)
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.get('/')
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.expect('<p>loki</p>', done);
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})
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})
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describe('.render(name, fn)', function(){
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it('should pass the resulting string', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.use(function(req, res){
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res.locals.user = { name: 'tobi' };
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res.render('user.tmpl', function (err, html) {
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html = html.replace('tobi', 'loki');
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res.end(html);
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});
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});
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request(app)
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.get('/')
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.expect('<p>loki</p>', done);
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})
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describe('when an error occurs', function(){
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it('should pass it to the callback', function(done){
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var app = createApp();
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app.set('views', path.join(__dirname, 'fixtures'))
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app.use(function(req, res){
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res.render('user.tmpl', function (err) {
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if (err) {
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res.status(500).send('got error: ' + err.name)
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}
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});
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});
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request(app)
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.get('/')
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.expect(500, 'got error: RenderError', done)
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})
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})
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})
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})
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function createApp() {
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var app = express();
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app.engine('.tmpl', tmpl);
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return app;
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}
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