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?
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
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")
});
});