我目前正在处理 NodeJS 中的一些代码。
我的代码如下所示:
const AWS = require('aws-sdk');
const PARAMS_ACCOUNT = {
AttributeNames: [
"max-instances"
]
};
const ec2 = new AWS.EC2();
const getAccountAttributes = ec2.describeAccountAttributes(PARAMS_ACCOUNT).promise();
function maxInstances() {
return getAccountAttributes.then(data => {
return data.AccountAttributes[0].AttributeValues[0].AttributeValue;
});
}
我试过使用aws-sdk-mock
, 旁边chaiJS
,mochaJS
但我不知道如何模拟.promise()
.aws-sdk
我的尝试如下所示:
const chai = require('chai');
const mocha = require('mocha');
const awsSDK = require('aws-sdk');
const aws = require('aws-sdk-mock');
const server = require('../instance_limit.js');
const expect = chai.expect;
describe('Sample test', () => {
it('this is also a test', () => {
aws.mock('EC2','describeAccountAttributes',function (params, callback){
callback(null, {AccountAttributes:[{AttributeValues:[{AttributeValue: 10}]}]});
});
var awsEC2 = new awsSDK.EC2();
const instances = server.maxInstances();
expect(instances).to.equal(10);
});
});
但是有了这个,我无法模拟这个aws-sdk
电话。谢谢你的帮助。