在Mocha中将对象与MongoDb中的日期进行比较

问题描述 投票:1回答:2

我目前在摩卡测试中遇到问题。我想测试一个从mongodb数据库返回一个对象的getById方法。除了比较日期外,一切正常。这就是我做的。

describe('Service.Step.getById',function(){

before(done => {
    mongoose.connect(getConnectionString());
    mongoose.connection.on('error', () => {
        console.error("Connecting to database failed");
    });
    mongoose.connection.once('open', () => {
        console.log('Connected to Database');
        done();
    });
});

it('should return a step', async function(){
    assert.equal((await StepService.getById("someId")).toObject(), {
        Title : "SomeTitle",
        _id: mongodb.ObjectID("someId"),
        SchemaVersion : "0.0.1",
        Description: "SomeDescription",
        Video: "Video.mp4",
        Image : null,
        __v : 0,
        Created : "2018-09-05T15:24:11.779Z",
        Updated :  "2018-09-05T15:24:11.779Z"
    });
});

现在的问题是,显然mongoose返回一个Date对象而不仅仅是一个字符串。 (这是测试显示的)

  • “更新”:[日期:2018-09-05T15:24:11.779Z]
  • “更新”:“2018-09-05T15:24:11.779Z”

但是如果我将assert中的Created(或Updated)替换为

Created : new Date("2018-09-05T15:24:11.779Z")

我的测试完全失败了。你知道我怎么解决这个问题吗?

node.js testing mongoose mocha chai
2个回答
2
投票

equal断言实际和预期的非严格相等(==)。例如

{a:1} == {a:1} //false

deepEqual声称实际与预期完全相同

assert.deepEqual({ tea: 'green' }, { tea: 'green' }); //true

0
投票

好。答案其实非常简单。似乎Date会使对象嵌套而且

assert.equal

将不再适用于此。而是使用

assert.deepEqual

它将按预期工作。正确的代码是

before(done => {
    mongoose.connect(getConnectionString());
    mongoose.connection.on('error', () => {
        console.error("Connecting to database failed");
    });
    mongoose.connection.once('open', () => {
        console.log('Connected to Database');
        done();
    });
});

it('should return a step', async function(){
    assert.deepEqual((await StepService.getById("someId")).toObject(), {
        Title : "SomeTitle",
        _id: mongodb.ObjectID("someId"),
        SchemaVersion : "0.0.1",
        Description: "SomeDescription",
        Video: "Video.mp4",
        Image : null,
        __v : 0,
        Created : new Date("2018-09-05T15:24:11.779Z"),
        Updated : new Date("2018-09-05T15:24:11.779Z")
    });
});
© www.soinside.com 2019 - 2024. All rights reserved.