test/req.accepts.js

   1 'use strict'
   2
   3 var express = require('../')
   4   , request = require('supertest');
   5
   6 describe('req', function(){
   7   describe('.accepts(type)', function(){
   8     it('should return true when Accept is not present', function(done){
   9       var app = express();
  10
  11       app.use(function(req, res, next){
  12         res.end(req.accepts('json') ? 'yes' : 'no');
  13       });
  14
  15       request(app)
  16       .get('/')
  17       .expect('yes', done);
  18     })
  19
  20     it('should return true when present', function(done){
  21       var app = express();
  22
  23       app.use(function(req, res, next){
  24         res.end(req.accepts('json') ? 'yes' : 'no');
  25       });
  26
  27       request(app)
  28       .get('/')
  29       .set('Accept', 'application/json')
  30       .expect('yes', done);
  31     })
  32
  33     it('should return false otherwise', function(done){
  34       var app = express();
  35
  36       app.use(function(req, res, next){
  37         res.end(req.accepts('json') ? 'yes' : 'no');
  38       });
  39
  40       request(app)
  41       .get('/')
  42       .set('Accept', 'text/html')
  43       .expect('no', done);
  44     })
  45   })
  46
  47   it('should accept an argument list of type names', function(done){
  48     var app = express();
  49
  50     app.use(function(req, res, next){
  51       res.end(req.accepts('json', 'html'));
  52     });
  53
  54     request(app)
  55     .get('/')
  56     .set('Accept', 'application/json')
  57     .expect('json', done);
  58   })
  59
  60   describe('.accepts(types)', function(){
  61     it('should return the first when Accept is not present', function(done){
  62       var app = express();
  63
  64       app.use(function(req, res, next){
  65         res.end(req.accepts(['json', 'html']));
  66       });
  67
  68       request(app)
  69       .get('/')
  70       .expect('json', done);
  71     })
  72
  73     it('should return the first acceptable type', function(done){
  74       var app = express();
  75
  76       app.use(function(req, res, next){
  77         res.end(req.accepts(['json', 'html']));
  78       });
  79
  80       request(app)
  81       .get('/')
  82       .set('Accept', 'text/html')
  83       .expect('html', done);
  84     })
  85
  86     it('should return false when no match is made', function(done){
  87       var app = express();
  88
  89       app.use(function(req, res, next){
  90         res.end(req.accepts(['text/html', 'application/json']) ? 'yup' : 'nope');
  91       });
  92
  93       request(app)
  94       .get('/')
  95       .set('Accept', 'foo/bar, bar/baz')
  96       .expect('nope', done);
  97     })
  98
  99     it('should take quality into account', function(done){
 100       var app = express();
 101
 102       app.use(function(req, res, next){
 103         res.end(req.accepts(['text/html', 'application/json']));
 104       });
 105
 106       request(app)
 107       .get('/')
 108       .set('Accept', '*/html; q=.5, application/json')
 109       .expect('application/json', done);
 110     })
 111
 112     it('should return the first acceptable type with canonical mime types', function(done){
 113       var app = express();
 114
 115       app.use(function(req, res, next){
 116         res.end(req.accepts(['application/json', 'text/html']));
 117       });
 118
 119       request(app)
 120       .get('/')
 121       .set('Accept', '*/html')
 122       .expect('text/html', done);
 123     })
 124   })
 125 })