September 23, 2017

Using AWS CodePipeline, AWS CodeBuild, and AWS Lambda for Serverless Automated UI Testing

Testing the user interface of a web application is an important part of the development lifecycle. In this post, I’ll explain how to automate UI testing using serverless technologies, including AWS CodePipeline, AWS CodeBuild, and AWS Lambda. I built a website for UI testing that is hosted in S3. I used Selenium to perform cross-browser UI testing on Chrome, Firefox, and PhantomJS, a headless WebKit browser with Ghost Driver, an implementation of the WebDriver Wire Protocol. I used Python to create test cases for ChromeDriver, FirefoxDriver, or PhatomJSDriver based the browser against which the test is being executed. Resources referred to in this post, including the AWS CloudFormation template, test and status websites hosted in S3, AWS CodeBuild build specification files, AWS Lambda function, and the Python script that performs the test are available in the serverless-automated-ui-testing GitHub repository. Read more

June 28, 2017

Continuous Delivery of Nested AWS CloudFormation Stacks Using AWS CodePipeline

In CodePipeline Update – Build Continuous Delivery Workflows for CloudFormation Stacks, Jeff Barr discusses infrastructure as code and how to use AWS CodePipeline for continuous delivery. In this blog post, I discuss the continuous delivery of nested CloudFormation stacks using AWS CodePipeline, with AWS CodeCommit as the source repository and AWS CodeBuild as a build and testing tool. I deploy the stacks using CloudFormation change sets following a manual approval process. Read more

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