aws-sdk-mock验证服务ctor调用SNS

Question

现在，我确实知道如何验证发布，但我再次尝试验证对SNS函数/ctor的期望。

下面是一些伪代码：

//code
const AWS = require('aws-sdk');
const SNS = new AWS.SNS({bobby:'no'});

//test
const AWSmock = require('aws-sdk-mock');

describe('something', () => {
    beforeAll(()=>{
        AWSmock.mock('SNS','publish', Promise.resolve());
    });
    test('doing it', () => {
        const f = require('file');

        expect(AWSmock.SNS.calledWith({})).toEqual(true); //this example would be false, but I can't figure out how to reference the SNS method here
    });
});

Answer 1

aws-sdk-mock 文档中的

在顶层

项目文件夹中不包含aws-sdk的node_modules项目结构将不会被正确模拟。例如，将aws-sdk安装在嵌套的项目目录中。您可以通过使用setSDK().

显式设置嵌套aws-sdk模块的路径来解决此问题

//code
const AWS = require('aws-sdk');
const SNS = new AWS.SNS({bobby:'no'});

//test
const AWSmock = require('aws-sdk-mock');
// setting the AWS explicitly might help
AWSMock.setSDKInstance(AWS);

describe('something', () => {
    beforeAll(()=>{
        AWSmock.mock('SNS','publish', Promise.resolve());
    });
    test('doing it', () => {
        const f = require('file');

        expect(AWSmock.SNS.calledWith({})).toEqual(true); //this example would be false, but I can't figure out how to reference the SNS method here
    });
});