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我不知道爲什麼我不斷收到此錯誤。每當我跑NPM測試我得到這個完整的錯誤：Supertest錯誤：預計'[]'響應正文，得到'[「」]'
1) Listing subscriptions on /subscriptions
Returns initial subscriptions:
Error: expected '[]' response body, got '[""]'
at error (node_modules\supertest\lib\test.js:299:13)
at Test._assertBody (node_modules\supertest\lib\test.js:216:14)
at Test._assertFunction (node_modules\supertest\lib\test.js:281:11)
at Test.assert (node_modules\supertest\lib\test.js:171:18)
at Server.assert (node_modules\supertest\lib\test.js:131:12)
at emitCloseNT (net.js:1543:8)
at _combinedTickCallback (internal/process/next_tick.js:71:11)
at process._tickCallback (internal/process/next_tick.js:98:9)
在我app.js文件：
var express = require('express');
var app = express();
var bodyParser = require('body-parser');
var urlencode = bodyParser.urlencoded({ extended: false });
app.use(express.static('public'));
var redis = require('redis');
if (process.env.REDISTOGO_URL) {
var rtg = require('url').parse(process.env.REDISTOGO_URL);
var client = redis.createClient(rtg.port, rtg.hostname);
client.auth(rtg.auth.split(":")[1]);
} else {
var client = redis.createClient();
client.select((process.env.NODE_ENV || 'development').length);
}
app.get('/subscriptions', function (req, res) {
client.hkeys('subscriptions', function (err, names) {
if (err) throw err;
res.json(names);
});
});
app.post('/subscriptions', urlencode, function (req, res) {
var newSubscription = req.body;
if(!newSubscription.name || !newSubscription.date) {
res.sendStatus(400);
return false;
}
client.hset('subscriptions', newSubscription.name, newSubscription.date,
function (err) {
if (err) throw err;
res.status(201).json(newSubscription.name);
});
});test.js文件：
var request = require('supertest');
var app = require('./app');
var redis = require('redis');
var client = redis.createClient();
client.select('test'.length);
client.flushdb();
describe('Requests to the root path', function() {
it('Returns a 200 status code', function (done) {
request(app)
.get('/')
.expect(200, done);
});
it('Returns a HTML format', function(done) {
request(app)
.get('/')
.expect('Content-Type', /html/, done);
});
it('Returns an index file with Subscriptions', function(done) {
request(app)
.get('/')
.expect(/subscriptions/i, done);
});
});
describe('Listing subscriptions on /subscriptions', function() {
it('Returns 200 status code', function (done) {
request(app)
.get('/subscriptions')
.expect(200, done);
});
it('Returns JSON format', function (done) {
request(app)
.get('/subscriptions')
.expect('Content-Type', /json/, done);
});
it('Returns initial subscriptions', function (done) {
request(app)
.get('/subscriptions')
.expect(JSON.stringify([]), done);
});
});任何幫助將不勝感激。謝謝。