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我使用Mocha和Chai HTTP测试Rest API。我已经写的所有的使用回调测试的情况下,现在我想用异步/ AWAIT因为很多更具可读性谭回调和承诺,所以我得到这个代码:摩卡与Chai HTTP异步测试?
let sport1, sport2;
let user1, user2;
let user1Token;
let event1, event2, event3, event4;
beforeEach(async function() {
const preUser1 = test.createUser('[email protected]');
const preUser2 = test.createUser('[email protected]')
sport1 = await Sport.create(test.createSport('Tenis'));
sport2 = await Sport.create(test.createSport('Baloncesto'));
user1 = await User.create(preUser1);
user2 = await User.create(preUser2);
event1 = await Event.create(test.createEventDb(user1._id, sport1._id));
event2 = await Event.create(test.createEventDb(user1._id, sport2._id));
event3 = await Event.create(test.createEventDb(user2._id, sport1._id));
event4 = await Event.create(test.createEventDb(user2._id, sport2._id));
await chai.request(app)
.post(`${apiPath}/sessions`)
.set('content-type', 'application/json')
.send({ email: preUser1.email, password: preUser1.password })
.end(function (err, res) {
console.log(res.body)
user1Token = res.body.data.session.token;
});
});
的等待报表工作很好,但这里的问题是与柴。我得到这个错误:
1) Events "before each" hook for "should return 200, id and event info":
TypeError: First argument must be a string or Buffer
at ClientRequest.end (_http_outgoing.js:605:11)
at Test.Request.end (node_modules/superagent/lib/node/index.js:873:9)
at node_modules/superagent/lib/request-base.js:72:12
at Test.then (node_modules/superagent/lib/request-base.js:71:31)
at process._tickCallback (internal/process/next_tick.js:109:7)
但是,没有异步/ await调用这个错误不会引发。有什么想法发生了什么?谢谢。
嗯,他们不会在柴HTTP诺言[示例]使用'.end'(http://chaijs.com/plugins/chai-http/)。相反,他们调用'.then'来得到回应。所以如果我理解了promise的例子吧:用异步/等待你将响应保存在一个变量中(而不是调用'.then'),然后调用'expect'(或者你喜欢的任何其他断言函数)。 – Rhayene
的确如此,我没有注意到它们在使用promise时没有使用'.end()'方法。它完美地将响应保存在一个变量中,然后作出断言,谢谢! –
随时回答你自己的问题:) – Rhayene