For many of us, legacy code is a fact of life. Code without tests -- no safe way to make changes, no safety net, no hope of untangling the web of accumulated ugliness, an incomplete understanding (or less) of how it really behaves. And your next set of changes is just going to add to the garbage pile and make it worse. You need tests so you can safely make changes, but you can't add tests without changing the code. It is a chicken-and-egg problem.
So how do you turn legacy code into code you can change confidently? Slowly, one step at a time. Join Gene as he shares his experiences working with a monolithic codebase that was so bad it made national news. He'll go over the steps he and his team used to refactor the code safely by using mocking frameworks, mutation testing, and patience to build an understanding of how the code worked so that they could change it confidently.
This talk is for anyone that has inherited legacy code that they aren't confident in and wants to make it something they can work on and improve. You'll leave with some tools and techniques that will help you change your legacy code into something maintainable.
This course provides a detailed introduction to the Object Oriented techniques identified by Robert Martin as the SOLID principles of software design. Intended for both novice and intermediary developers, each of the five principles are fully defined and explored. Real-world coding examples are provided for each software tenant to help fully expound upon the design techniques. By the end of the session, developers will be able to identify common code smells while applying SOLID programming practices that ensure clean and maintainable code.
Van Wilson
Senior Consultant with Cardinal Solutions
Find more by Van Wilson: https://speakerdeck.com/vjwilson
All Things Open
October 26-27, 2016
Raleigh, North Carolina
Level Up Your Integration Testing With TestcontainersVMware Tanzu
Traditional approaches to integration testing—using shared, local, or in-memory databases—fall short for today's modern developer.
Developers today are building cloud native distributed microservices and taking advantage of a rich variety of backing services. This explosion of applications and backing services introduces new challenges in creating the necessary environments for integration testing. To be useful and effective, these environments must be easy to create and they must resemble production as closely as possible. New solutions are needed to make this need a reality.
Enter Testcontainers!
Testcontainers is a Java library that supports JUnit tests and makes it incredibly easy to create lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
In this talk, you will learn when and how to use Testcontainers. We will cover the fundamentals and walk through a step-by-step example using a Spring Boot application that we build from scratch. As a bonus, we'll highlight some new features in Spring Boot 3.0 along the way!
The tests are trying to tell you something@VoxxedBucharest.pptxVictor Rentea
If tests are hard to write, the production design is crappy - goes an old saying. Indeed, writing unit tests gives you one of the most comprehensive, yet brutal, feedback about the design of your production code, but if it comes too late, many developers can’t stand it anymore and they will either stop testing or test more superficially. At the other extreme, others struggle to write contrived, fragile tests full of mocks that end up frustrating more than helping them. This talk reviews the main hints that unit tests provide you, from the most obvious improvements to some of the most subtle design principles.
This course provides a detailed introduction to the Object Oriented techniques identified by Robert Martin as the SOLID principles of software design. Intended for both novice and intermediary developers, each of the five principles are fully defined and explored. Real-world coding examples are provided for each software tenant to help fully expound upon the design techniques. By the end of the session, developers will be able to identify common code smells while applying SOLID programming practices that ensure clean and maintainable code.
Van Wilson
Senior Consultant with Cardinal Solutions
Find more by Van Wilson: https://speakerdeck.com/vjwilson
All Things Open
October 26-27, 2016
Raleigh, North Carolina
Level Up Your Integration Testing With TestcontainersVMware Tanzu
Traditional approaches to integration testing—using shared, local, or in-memory databases—fall short for today's modern developer.
Developers today are building cloud native distributed microservices and taking advantage of a rich variety of backing services. This explosion of applications and backing services introduces new challenges in creating the necessary environments for integration testing. To be useful and effective, these environments must be easy to create and they must resemble production as closely as possible. New solutions are needed to make this need a reality.
Enter Testcontainers!
Testcontainers is a Java library that supports JUnit tests and makes it incredibly easy to create lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
In this talk, you will learn when and how to use Testcontainers. We will cover the fundamentals and walk through a step-by-step example using a Spring Boot application that we build from scratch. As a bonus, we'll highlight some new features in Spring Boot 3.0 along the way!
The tests are trying to tell you something@VoxxedBucharest.pptxVictor Rentea
If tests are hard to write, the production design is crappy - goes an old saying. Indeed, writing unit tests gives you one of the most comprehensive, yet brutal, feedback about the design of your production code, but if it comes too late, many developers can’t stand it anymore and they will either stop testing or test more superficially. At the other extreme, others struggle to write contrived, fragile tests full of mocks that end up frustrating more than helping them. This talk reviews the main hints that unit tests provide you, from the most obvious improvements to some of the most subtle design principles.
Asynchronous API in Java8, how to use CompletableFutureJosé Paumard
Slides of my talk as Devoxx 2015. How to set up asynchronous data processing pipelines using the CompletionStage / CompletableFuture API, including how to control threads and how to handle exceptions.
The Art of Unit Testing - Towards a Testable DesignVictor Rentea
Slides of the Talk I gave at Devoxx Belgium 2019.
=== Abstract ===
Focusing on the creative work without being terrified of breaking the existing behavior can make software development very addictive! Good automated tests can buy you that!
However, if your tests are not maintainable they may end up slowing you down and causing you painful headaches, compilation errors and spurious failures. To avoid that, your unit tests should be significant; expressive; clean; DRY; non-overlapping; and blazing fast. Writing good tests becomes the toughest challenge for any developer, no matter how battle-hardened: you need to balance risk with test maintenance costs, while looking out for test design smells that call for [risky] refactoring to drive your design towards a set of key principles (included:).
Principles that will end up shaping the way you craft the Production code itself. Because in the end, a good, clean design is more important than coverage%.
But testing gives you the best feedback to get there.
Grab a black coffee and join this snippet from Victor’s Pro Unit Testing #training, to learn about testing priorities, buggy tests, the shared @Before, Mocks vs Stubs and how to reduce them by "purifying" your logic, testing Legacy Code and refactoring @Spy-es out.
All of that in an entertaining, dynamic and memorable session.
Don't Be Mocked by your Mocks - Best Practices using MocksVictor Rentea
Do you ❤️ Mocks? When you write your first unit tests, especially on older codebases, mocking foreign code is key to survival. But as you grow older in the craft, you start piling up hours and days wasted to refactor fragile tests or to fix bugs that those heavy mock-based tests didn't catch. And so you start looking at Mocks differently.
Let's go through the key factors to consider to strike the optimal balance between what needs to be mocked away and what code should be tested in integration. There's sometimes a fine line there, often interwoven with strong emotions:
"Why am I testing this?"
"Argh… these tests take too long"
"Can this ever really break?"
etc...
Among the points that we'll touch on:
- Mocks vs Refactoring
- Mocks vs Reliability
- Fine vs Coarse Mocks
- Reproducibility
- Partial Mocks
- Mocking Statics
- Alternatives to Mocks
Speakers: Victor Rentea
Victor is a Java Champion and Independent Trainer with an impressive experience: thousands of developers in dozens of companies trained in dedicated company sessions. He is the founder of one of the largest developer communities in Romania, Bucharest Software Craftsmanship Community and a top international conference speaker.
To find more about him, join a live masterclass or call him in for a company dedicated training: victorrentea.ro
Slides da palestra apresentada na BrazilJS Manaus. Nesta apresentação faço uma pequena comparativa entre arquiteturas de software para node usando Express e Node, e apresentando um pouco de como o Nest funciona.
Использование GMock для обеспечения спокойной и сытой жизни разработчика. Обзор как верхушки так и некоторых подводных частей GMock. Разбор возможностей фреймворка на примерах.
Droidcon Berlin 2021 - With coroutines being the de facto way of exposing async work and streams of changes for Kotlin on Android, developers are obviously attempting to use the same approaches when moving their code to Multiplatform.
But due to the way the memory model differs between JVM and Kotlin Native, it can be a painful experience.
In this talk, we will take a deep dive into the Coroutine API for Kotlin Multiplatform. You will learn how to expose your API with Coroutines while working with the Kotlin Native memory model instead of against it, and avoid the dragons along the way.
All 3 Clean Code presentations provide great value by themselves, but taken together are designed to offer a holistic approach to successful software creation. This first session creates the foundation for the 2nd and 3rd Clean Code presentation on Dependency Injection, as it explains expected base knowledge. Why writing Clean Code makes us more efficient Over the lifetime of a product, maintaining the product is actually one - if not the most - expensive area(s) of the overall product costs.
Writing clean code can significantly lower these costs. However, writing clean code also makes you more efficient during the initial development time and results in more stable code. You will be presented design patterns and best practices which will make you write better and more easily maintainable code, seeing code in a holistic way.
You will learn how to apply them by using an existing implementation as the starting point of the presentation. Finally, patterns & practices benefits are explained. This presentation is based on C# and Visual Studio 2012. However, the demonstrated patterns and practice can be applied to every other programming language too.
Note: Moving forwards this presentation will be updated with the latest version of the slides for the last event I did the presentation instead of creating new separate slide decks here on SlideShare.
Presentation dates and locations:
2015-10-03 Silicon Valley Code Camp, San Jose, CA
2015-06-27 SoCal Code Camp - San Diego, CA
2014-11-14 SoCal Code Camp - Los Angeles, CA
2014-10-18 Desert Code Camp - Chandler, AZ
2014-10-11 Silicon Valley Code Camp, Los Altos Hills, CA
DevOpsDays Baltimore 2018: A Definition of Done for DevSecOps - Gene GotimerDevOpsDays Baltimore
DevOps cannot be achieved without considering many different aspects of software quality, including security. The term DevSecOps was developed to highlight that security was being focused on as part of the pipeline, not a second-class citizen.
Fortunately, DevOps and continuous delivery practices give us opportunities to add different types of security testing to our pipeline so that security can be part of our definition of done. Continuous integration can invoke static analysis tools to test for simple security errors and check if components with known vulnerabilities are being used. Automated deployments and virtualization make dynamic environments available for testing in a production-like setting. Regression test suites can be used to drive traffic through proxies for security analysis. From the code to the systems where the software is being deployed, the process can make sure that security best practices are followed and insecure software is not being produced.
Gene will talk about how to construct a definition of done that focuses on security along with other types of quality in a DevOps pipeline. He will discuss how to define security practices and criteria that are appropriate for our teams and our projects to be confident that we are doing DevSecOps, and how those practices and criteria might mature over time.
A better faster pipeline for software delivery, even in the governmentGene Gotimer
The software delivery pipeline is the process of taking features from developers and getting them delivered to customers. The earliest tests should be the quickest and easiest to run, giving developers the fastest feedback. Successive rounds of testing should increase confidence that the code is a viable candidate for production and that more expensive tests—be it time, effort, cost—are justified. Manual testing should be performed toward the end of the pipeline, leaving computers to do as much work as possible before people get involved. Although it is tempting to arrange the delivery pipeline in phases (e.g., functional tests, then acceptance tests, then load and performance tests, then security tests), this can lead to problems progressing down the pipeline.
In this interactive workshop, Gene Gotimer and Ryan Kenney will discuss how to arrange your pipeline, automated or not, and so each round of tests provides just enough testing to give you confidence that the next set of tests is worth the investment. We'll explore how to get the right types of testing into your pipeline at the right points so that you can determine which builds are viable candidates for production. And we’ll explain some of the experiences we’ve had with clients, especially in the federal government, trying to build out delivery pipelines.
Attendees should be at least roughly familiar with their current delivery process, automated or not, or they should at least have a process in mind. No prior knowledge of DevOps, continuous delivery, or automation is assumed.
Asynchronous API in Java8, how to use CompletableFutureJosé Paumard
Slides of my talk as Devoxx 2015. How to set up asynchronous data processing pipelines using the CompletionStage / CompletableFuture API, including how to control threads and how to handle exceptions.
The Art of Unit Testing - Towards a Testable DesignVictor Rentea
Slides of the Talk I gave at Devoxx Belgium 2019.
=== Abstract ===
Focusing on the creative work without being terrified of breaking the existing behavior can make software development very addictive! Good automated tests can buy you that!
However, if your tests are not maintainable they may end up slowing you down and causing you painful headaches, compilation errors and spurious failures. To avoid that, your unit tests should be significant; expressive; clean; DRY; non-overlapping; and blazing fast. Writing good tests becomes the toughest challenge for any developer, no matter how battle-hardened: you need to balance risk with test maintenance costs, while looking out for test design smells that call for [risky] refactoring to drive your design towards a set of key principles (included:).
Principles that will end up shaping the way you craft the Production code itself. Because in the end, a good, clean design is more important than coverage%.
But testing gives you the best feedback to get there.
Grab a black coffee and join this snippet from Victor’s Pro Unit Testing #training, to learn about testing priorities, buggy tests, the shared @Before, Mocks vs Stubs and how to reduce them by "purifying" your logic, testing Legacy Code and refactoring @Spy-es out.
All of that in an entertaining, dynamic and memorable session.
Don't Be Mocked by your Mocks - Best Practices using MocksVictor Rentea
Do you ❤️ Mocks? When you write your first unit tests, especially on older codebases, mocking foreign code is key to survival. But as you grow older in the craft, you start piling up hours and days wasted to refactor fragile tests or to fix bugs that those heavy mock-based tests didn't catch. And so you start looking at Mocks differently.
Let's go through the key factors to consider to strike the optimal balance between what needs to be mocked away and what code should be tested in integration. There's sometimes a fine line there, often interwoven with strong emotions:
"Why am I testing this?"
"Argh… these tests take too long"
"Can this ever really break?"
etc...
Among the points that we'll touch on:
- Mocks vs Refactoring
- Mocks vs Reliability
- Fine vs Coarse Mocks
- Reproducibility
- Partial Mocks
- Mocking Statics
- Alternatives to Mocks
Speakers: Victor Rentea
Victor is a Java Champion and Independent Trainer with an impressive experience: thousands of developers in dozens of companies trained in dedicated company sessions. He is the founder of one of the largest developer communities in Romania, Bucharest Software Craftsmanship Community and a top international conference speaker.
To find more about him, join a live masterclass or call him in for a company dedicated training: victorrentea.ro
Slides da palestra apresentada na BrazilJS Manaus. Nesta apresentação faço uma pequena comparativa entre arquiteturas de software para node usando Express e Node, e apresentando um pouco de como o Nest funciona.
Использование GMock для обеспечения спокойной и сытой жизни разработчика. Обзор как верхушки так и некоторых подводных частей GMock. Разбор возможностей фреймворка на примерах.
Droidcon Berlin 2021 - With coroutines being the de facto way of exposing async work and streams of changes for Kotlin on Android, developers are obviously attempting to use the same approaches when moving their code to Multiplatform.
But due to the way the memory model differs between JVM and Kotlin Native, it can be a painful experience.
In this talk, we will take a deep dive into the Coroutine API for Kotlin Multiplatform. You will learn how to expose your API with Coroutines while working with the Kotlin Native memory model instead of against it, and avoid the dragons along the way.
All 3 Clean Code presentations provide great value by themselves, but taken together are designed to offer a holistic approach to successful software creation. This first session creates the foundation for the 2nd and 3rd Clean Code presentation on Dependency Injection, as it explains expected base knowledge. Why writing Clean Code makes us more efficient Over the lifetime of a product, maintaining the product is actually one - if not the most - expensive area(s) of the overall product costs.
Writing clean code can significantly lower these costs. However, writing clean code also makes you more efficient during the initial development time and results in more stable code. You will be presented design patterns and best practices which will make you write better and more easily maintainable code, seeing code in a holistic way.
You will learn how to apply them by using an existing implementation as the starting point of the presentation. Finally, patterns & practices benefits are explained. This presentation is based on C# and Visual Studio 2012. However, the demonstrated patterns and practice can be applied to every other programming language too.
Note: Moving forwards this presentation will be updated with the latest version of the slides for the last event I did the presentation instead of creating new separate slide decks here on SlideShare.
Presentation dates and locations:
2015-10-03 Silicon Valley Code Camp, San Jose, CA
2015-06-27 SoCal Code Camp - San Diego, CA
2014-11-14 SoCal Code Camp - Los Angeles, CA
2014-10-18 Desert Code Camp - Chandler, AZ
2014-10-11 Silicon Valley Code Camp, Los Altos Hills, CA
DevOpsDays Baltimore 2018: A Definition of Done for DevSecOps - Gene GotimerDevOpsDays Baltimore
DevOps cannot be achieved without considering many different aspects of software quality, including security. The term DevSecOps was developed to highlight that security was being focused on as part of the pipeline, not a second-class citizen.
Fortunately, DevOps and continuous delivery practices give us opportunities to add different types of security testing to our pipeline so that security can be part of our definition of done. Continuous integration can invoke static analysis tools to test for simple security errors and check if components with known vulnerabilities are being used. Automated deployments and virtualization make dynamic environments available for testing in a production-like setting. Regression test suites can be used to drive traffic through proxies for security analysis. From the code to the systems where the software is being deployed, the process can make sure that security best practices are followed and insecure software is not being produced.
Gene will talk about how to construct a definition of done that focuses on security along with other types of quality in a DevOps pipeline. He will discuss how to define security practices and criteria that are appropriate for our teams and our projects to be confident that we are doing DevSecOps, and how those practices and criteria might mature over time.
A better faster pipeline for software delivery, even in the governmentGene Gotimer
The software delivery pipeline is the process of taking features from developers and getting them delivered to customers. The earliest tests should be the quickest and easiest to run, giving developers the fastest feedback. Successive rounds of testing should increase confidence that the code is a viable candidate for production and that more expensive tests—be it time, effort, cost—are justified. Manual testing should be performed toward the end of the pipeline, leaving computers to do as much work as possible before people get involved. Although it is tempting to arrange the delivery pipeline in phases (e.g., functional tests, then acceptance tests, then load and performance tests, then security tests), this can lead to problems progressing down the pipeline.
In this interactive workshop, Gene Gotimer and Ryan Kenney will discuss how to arrange your pipeline, automated or not, and so each round of tests provides just enough testing to give you confidence that the next set of tests is worth the investment. We'll explore how to get the right types of testing into your pipeline at the right points so that you can determine which builds are viable candidates for production. And we’ll explain some of the experiences we’ve had with clients, especially in the federal government, trying to build out delivery pipelines.
Attendees should be at least roughly familiar with their current delivery process, automated or not, or they should at least have a process in mind. No prior knowledge of DevOps, continuous delivery, or automation is assumed.
DevOps needs to consider many different aspects of software quality, including security. The term DevSecOps was developed to highlight that security is a focus of the pipeline, not a second-class citizen.
Fortunately, we can define done for our pipeline so that it includes security. Continuous integration can invoke static analysis tools to test for security errors and check if we are using components with known vulnerabilities. Automated deployments and virtualization make dynamic environments available for testing in a production-like setting. Regression tests can drive traffic through proxies for security analysis. From the code to the systems where we deploy the software, the process can be designed to make sure that we follow security best practices, and not produce insecure software.
Participants will learn how to construct a definition of done that focuses on security in a DevOps pipeline. They will see how to define security practices that build confidence that they are doing DevSecOps, and how those practices and criteria might mature over time.
To survive in today’s market, organizations need to deliver higher quality, more secure software than ever before, and they need to do it faster. Today’s leaders need to understand what DevOps is all about and how to implement it across the enterprise to remain competitive, react to changing conditions, and facilitate growth. This interactive workshop will explain what DevOps is and isn’t, what benefits we should expect adopting it, and what we need to do to adjust to a DevOps mindset. We’ll look at our current delivery processes and discuss how we can deliver higher quality, more secure software, and how we can do it faster, more reliably, and have more confidence in the result. We will focus on the culture and process, only touching on the tools that enable us to work better. It is not a technical deep dive. This workshop is designed for executives and leaders, managers, project managers, and team leads to help them prepare for successful DevOps transformation and leadership.
DevOps Patterns to Enable Success in MicroservicesRich Mills
Migrating to a microservices architecture isn't the easy utopia we hoped for. Success requires a combination of technical architecture, automation, and development methodology that all relate closely to Agile and DevOps. This presentation discusses patterns for team structure, CI/CD pipelines, and test automation that will help you successfully deliver solutions using microservices.
Presented at AgileDC, Sept 2019
Best Practices for Shifting Left Performance and Accessibility TestingPerfecto by Perforce
Web and mobile test cycles typically leverage automation frameworks like Selenium and Appium that are mostly focused on functional testing with end-to-end scenarios. But what about nonfunctional testing — including performance, accessibility, security, and UX?
Unfortunately, nonfunctional testing is either left to the end of the cycle or done only partially. Or, it’s outsourced externally, where it is performed manually due to a lack of time and automation abilities.
When nonfunctional testing is overlooked or left until the end of cycle, performance, accessibility, and UX defects can cause brand damage and are more expensive to fix after the fact. Specifically, accessibility defects can also result in expensive complaints or lawsuits.
Learn how you can avoid damaging defects. Join our panel webinar led by Perfecto’s VP of Products Tzvika Shahaf and Chief Evangelist and author Eran Kinsbruner, together with Dylan Barrel, CTO at Deque, and Henrik Rexed, Performance Testing Advocate from Neotys, to learn how you can expand your coverage within the build cycle by shifting automated nonfunctional testing left.
During the webinar, you will learn:
- The key benefits of shifting performance and accessibility testing left.
- Best practices and recommendations on how to succeed in shifting such tests into the build process.
- How to get started with mobile and web performance and accessibility testing.
DevOps Patterns to Enable Success in MicroservicesRich Mills
Migrating to a microservices architecture isn't the easy utopia we hoped for. Success requires a combination of technical architecture, automation, and development methodology that all relate closely to Agile and DevOps. This presentation discusses patterns for team structure, CI/CD pipelines, and test automation that will help you successfully deliver solutions using microservices.
Presented at Agile 2019 (DC), Aug 2019
A Better, Faster Pipeline for Software DeliveryGene Gotimer
The software delivery pipeline is the process of taking new or changed features from developers and getting them quickly delivered to the customers by getting the feature deployed into production. Testing within continuous delivery pipelines should be designed so the earliest tests are the quickest and easiest to run, giving developers the fastest feedback. Successive rounds of testing lead to increased confidence that the code is a viable candidate for production and that more expensive tests—be it time, effort, cost—are justified. Manual testing is performed toward the end of the pipeline, leaving computers to do as much work as possible before people get involved. Although it is tempting to arrange the delivery pipeline in phases (e.g., functional tests, then acceptance tests, then load and performance tests, then security tests), this can lead to serious problems progressing far down the pipeline before they are caught.
Be prepared to discuss your pipeline, automated or not, and talk about what you think is slowing you down and what is keeping you up at night. In this interactive workshop, we will discuss how to arrange your tests so each round provides just enough testing to give you confidence that the next set of tests is worth the investment. We'll explore how to get the right types of testing into your pipeline at the right points so that you can determine quickly which builds are viable candidates for production.
Shifting Security Left - The Innovation of DevSecOps - ValleyTechConTom Stiehm
DevSecOps adds on the DevOps by making Application Security part of the daily workflow of the team in order to improve the quality and security of a product. Shift AppSec practices left is the key enabler to making AppSec a first-class citizen in the development effort rather than an afterthought with limited ability to be successful.
Watch the on demand webinar recording - https://opentestingplatform.curiositysoftware.ie/in-sprint-regression-testing-webinar
Visit TestModeller.io to start a free trial and work through our free Test Modeller for Perfecto tutorial.
Achieving in-sprint regression- convert continuous feedback into rigorous automated testing - September 9th, 2020
Delivering quality systems at speed demands rigorous testing before each and every release. Unfortunately, robust and reliable automated regression testing is difficult to achieve in short iterations.
Too often, complex processes force testing far behind development. Teams scramble to update and execute complex test suites, leaving system logic and configurations exposed to costly bugs. Model-based test automation (MBTA) can help. With the new integration between TestModeller.io and Perfecto, you can achieve rigorous test creation, maintenance, and execution at scale.
This webinar will present a practical approach to in-sprint regression testing, delivering accurately-built, fully-tested software in short iterations. You will discover how:
1. Visual modelling provides a single source of truth for fast-changing designs and continuous feedback;
2. Model-based test generation creates regression packs that focus on the logic most likely affected by system changes;
3. One click pushes the risk-based tests to Perfecto for cloud-based execution across a full spread of devices and platforms;
4. Feeding advanced test reports back into the central models closes the feedback loop, enabling continuous, in-sprint testing.
Sound too good to be true? Join James Walker and Julius Mong to discover how you can get started today!
About the Speakers:
James Walker is Director of Technology at Curiosity Software and brings years of experience in successful software delivery. James has collaborated closely with a range of organisations to identify and resolve their QA needs and has invented several success Model-Based Testing technologies.
Julius Mong has over 20 years of experience in software development, consulting, business development, pre and post-sales operations, and QA across the software, consumer product, digital media, and digital marketing industries. He specializes in helping enterprises optimize their QA strategies and make testing become of value rather than a liability by "shifting testing left.”
Creative Solutions to Already Solved Problems IIGene Gotimer
This code is bad and the authors should feel bad. Creative solutions to already solved problems is the term one of our teams came up with for bad code.
CI/CD Best Practices for Your DevOps JourneyDevOps.com
The journey to realizing DevOps in any organization is fraught with a number of obstacles for developers and other stakeholders. These challenges are often caused by key CI/CD practices being misunderstood, partially implemented or even completely skipped. Now, as the industry positions itself to build on DevOps practices with a Software Delivery Management strategy, it’s more important than ever that we implement CI/CD best practices, and prepare for the future.
Join host Mitchell Ashely, and CloudBees’ Brian Dawson, DevOps evangelist, and Doug Tidwell, technical marketing director, as they explore and review the CI/CD best practices which serve as your stepping stones to DevOps and a successful Software Delivery Management strategy.
The webinar will cover CI/CD best practices including:
Containers and environment management
Continuous delivery or deployment
Movement from Dev to Ops
By the end of the webinar, you’ll understand the key steps for implementing CI/CD and powering your journey to DevOps and beyond.
Deck used at Keep Austin Agile 2018 with charts from audience pollings.
Enterprises want to deliver more value with higher quality at a faster pace. Many development teams have adopted agile frameworks to improve their ability to deliver software. This has led to a local optimization for the development teams and they have become good at delivering potentially shippable increments of their products, but from there, they typically see organizational constraints in moving it to the customer. The development organization is quickly adding features to the queue waiting to be released, but the operations teams are struggling to support fires in production, maintain stability, and provide the environments and infrastructure needed so development teams can move their new functionality forward. The operation team’s focus on stability usually minimizes the number of changes in production thus creating infrequent, large batches being deployed at a planned date. Can Agile and DevOps bring the development and operations teams together to remove the organizational constraints in moving the software to the customer?
In this session, we’ll talk about the relationship of Agile and DevOps, not as an intersection, but as a progression of capability with development and operation teams working together to remove those constraints. We’ll discuss how using Agile and DevOps practices together, teams can release value faster, with higher quality, and in more stable environments making it safer to deploy.
Similar to Get to Green: How to Safely Refactor Legacy Code (20)
A Developer’s Guide to Kubernetes SecurityGene Gotimer
Kubernetes is spreading like crazy across our industry, but most of us are just thrown into the deep end and expected to learn it ourselves. And we do, sort of. We figure out just enough to get our job done, but we don’t have the experience to know if we are doing it right. There is a lot to learn in a technology that is rapidly evolving. The good news is that there are tools and practices to help show us the way.
Join Gene as he shows you what you need to know as a developer to use Kubernetes safely and effectively. He’ll show you some tools you can use to ensure your containers are available, resilient, and secure. They won’t slow you down, won’t cost an arm and a leg, and won’t need you to be a security expert or experienced cloud architect. We’ll use Kubernetes to help us deploy software, not worrying if it will get us fired.
How I Learned to Stop Worrying and Love Legacy CodeGene Gotimer
Many developers would love to work on brand-new, cutting-edge, greenfield projects, never dealing with the mess of unintelligible code someone else left behind. But most of us spend most of our time maintaining existing code, and it is often spaghetti code with no unit tests, no documentation, and, if we are lucky, a comment that says, “Not sure how this works, but it does so don’t touch it.” We need to make changes, but we can’t even figure out what the code is supposed to do. You know your changes will pile on and make it worse. You can’t change the code safely without adding tests, but you can’t add tests without making changes. So how do you tackle this chicken-and-egg problem? You do it slowly and methodically, building a safety net along the way.
Join Gene as he talks about helping to maintain and improve code on an infamous software project- it was so bad it made the national news. He’ll explain his approach to breaking the code into manageable, maintainable chunks. He’ll talk about adding unit tests that actually test the code using mutation testing- one of his favorite subjects. If you have inherited a pile of code and want to clean it up into something you aren’t afraid to touch, this talk is for you. You’ll hear about some tools and approaches to help you turn legacy code into code you don’t hate.
“We’ll do whatever it takes to make DevOps work!" followed by, "No, we can’t change that!” Almost every organization manages to sabotage its own DevOps transformation or get in its own way to ensure that successful adoption isn’t likely. Henry Ford called it when it comes to change: “Whether you think you can or you think you can’t, you’re right.” Organizations that don’t want to change or don’t think they can almost always fail. Those that change themselves and their processes get to the culture they want. Based on experiences working with government agencies, Gene Gotimer highlights ten practices that doom a DevOps effort from the get-go and describes the DevOps-enabling alternative.
Keeping Your Kubernetes Cluster SecureGene Gotimer
Many organizations are shifting to containers and Kubernetes, and that move means learning new ways to secure their environments. Kubernetes clusters have to be hardened at different levels. We have to consider the nodes where the Kubernetes control plane is running. We also need to secure the Kubernetes workloads and check the code that creates them. And we need to inspect the containers we are using for vulnerabilities and watch for unusual behavior.
Gene will show you some open-source tools that can find issues and vulnerabilities at each layer. You will see how they can be used to build your Kubernetes cluster safely and keep it secure.
Keeping your Kubernetes Cluster SecureGene Gotimer
Many organizations are shifting to containers and Kubernetes, and that move means learning new ways to secure their environments. Kubernetes clusters have to be hardened at different levels. We have to consider the nodes where the Kubernetes control plane is running. We also need to secure the Kubernetes workloads and check the files that create them. And we need to inspect the containers we are using for vulnerabilities and unusual behavior.
Gene will show you some open-source tools that can find issues and vulnerabilities at each layer. You will see how they can be used in a pipeline to build your Kubernetes cluster safely and keep it secure.
Explain DevOps To Me Like I’m Five: DevOps for ManagersGene Gotimer
Organizations and leaders are often supportive of DevOps, but they don’t always understand what DevOps is and what it will change. It isn’t a one-size-fits-all issue; different environments need different benefits from a DevOps transformation. Join Gene Gotimer as he explains the most important parts of understanding DevOps. We'll discuss how to determine what parts of DevOps your organization needs to concentrate on first and how you should measure improvement. This session boils DevOps down to its most basic parts and makes sure you have a foundation for understanding how to make it work for your situation and organization.
Keeping your Kubernetes Cluster SecureGene Gotimer
From NOVA Cloud and Software Engineering Group meetup, Feb. 17, 2021 https://youtu.be/a5uPm1mPLKQ.
Hardening a Kubernetes cluster happens at different levels. We have to examine the nodes where Kubernetes is running. We want to secure the Kubernetes objects and workloads and review the files we used to create them. And we need to look for vulnerabilities in the containers we are using. Gene will show you some open-source tools that can find issues and vulnerabilities at each layer. All of them can be used in a pipeline to build your Kubernetes cluster safely and keep it secure.
Gene Gotimer is the meetup organizer and a DevSecOps Senior Engineer at Steampunk, focusing on agile processes, secure development practices, and automation. Gene feels strongly that repeatability, quality, and security are all strongly intertwined; each depends on the other two, making agile and DevSecOps that much more crucial to software development.
Creative Solutions to Already Solved ProblemsGene Gotimer
Creative Solutions to Already Solved Problems is our name for the ridiculous code that our team has found in our project. These show a massive lack of understanding of common Java constructs and tools. Unfortunately, these examples are real and we had plenty to choose from.
Pyramid Discussion: DevOps Adoption in Large, Slow OrganizationsGene Gotimer
Notes from Pyramid Discussion: DevOps Adoption in Large, Slow Organizations at Agile + DevOps West 2019.
Are you in a large, plodding enterprise that's beginning, in the midst of, or considering a move toward DevOps? Unsure how or even if it will work, but know you have to make a move anyway? Do you want to hear from your peers about how they've managed so far? A pyramid discussion starts as a series of one-on-one conversations between the participants. After each pair hashes out their thoughts with each other, they join another couple to refine their points and hear pros and cons. After a while, those four join with four more, and so on until there is only one discussion, with everyone sharing and discussing. All attendees will get a chance to have their ideas and experiences heard while building on the thoughts and experiences of others. Even if you aren't ready to take over the discussion in a room of peers, you can proceed through the pyramid of smaller debates to get answers to your questions and hear how others are bringing DevOps to a large, slow organization.
I often suggest to teams that they should be using all sorts of tools in their pipelines- from simple static analysis checks and automated builds to security scans and performance testing. I've done presentations and talks at conferences. I've lobbied to clients. I've commiserated with my colleagues. But I've never put together my dream pipeline in one of my own projects.
There are always reasons that some tests and tools get left out- our policies won't allow them, they will take too long to get approved, we don't have time, we have bigger problems to deal with, it just isn't what the client is looking for right now. And I usually think, if only I were in charge, I'd make sure we were using those...
In late 2017 I took over maintenance on an open-source project. Now I have no restrictions. The sky's the limit. No one is around to tell me what I can't do. So why don't I have my dream pipeline in place yet?
I'll talk about the trade-offs and compromises I made when building out the pipeline. Why I decided to focus on some tools and tests but skipped others, and what I need to do or change to make this delivery process the pipeline I've always dreamed about, now that I have no one else to blame.
Open Source Security Tools for the PipelineGene Gotimer
Developing a delivery pipeline means more than just adding automated deploys to the development cycle. To be successful, quality testing of all types must be incorporated throughout the process in order to be sure that problems aren’t slipping through. Those checks must include security, or else you risk quickly and efficiently developing insecure software. Fortunately, the delivery pipeline opens up opportunities to add more security testing to the delivery process.
This talk is aimed at people that are trying to build more security into their continuous delivery pipeline. I walk through specific open-source tools I have used to supplement our security testing even when security wasn’t explicitly my responsibility. I don’t get into how to use each tool-- this is more of a series of teasers to encourage people to look into the tools, and even letting them know what types of tools and testing opportunities are out there.
Which Development Metrics Should I Watch?Gene Gotimer
W. Edwards Deming noted that “people with targets and jobs dependent upon meeting them will probably meet the targets – even if they have to destroy the enterprise to do it.” While metrics can be a great tool for evaluating performance and software quality, becoming beholden to reaching metrics goals, especially the wrong ones, can be detrimental to the project. Each team needs to take care and understand what targets are appropriate for their project. They also need to consider the current and desired states of the source code and product and the capabilities and constraints of the team.
As one of the lead architects working with a huge codebase on a government project, I often have the opportunity to influence the teams around me into watching or ignoring various metrics. I will walk through some measures that are available to most projects and discuss what they really mean, various misconceptions about their meaning, the tools that can be used to collect them, and how you can use them to help your team. I’ll discuss experiences and lessons learned (often the hard way) about using the wrong metrics and the damage they can do.
This session is aimed at development leads and others that are trying to choose the right metrics to measure or trying to influence what metrics to avoid.
Add Security Testing Tools to Your Delivery PipelineGene Gotimer
Developing a delivery pipeline means more than just adding automated deploys to the development cycle. To be successful, quality testing of all types must be incorporated throughout the process to ensure that problems aren’t slipping through. Those checks must include security, or you risk developing insecure software. Fortunately, the delivery pipeline opens up opportunities to add more security testing to the delivery process. Continuous integration builds can add static analysis tools to test for simple security errors and check if components with known vulnerabilities are being used. Gene Gotimer introduces several types of open-source and free security testing tools, that can be quickly added to a delivery pipeline. Security tools reduce the initial investment of both time and money, and help eliminate some barriers to adding security testing to the process.
Testing in a Continuous Delivery Pipeline - Better, Faster, CheaperGene Gotimer
The continuous delivery pipeline is the process of taking new or changed features from developers, and getting features deployed into production and delivered quickly to the customer. Gene Gotimer says testing within continuous delivery pipelines should be designed so the earliest tests are the quickest and easiest to run, giving developers the fastest feedback. Successive rounds of testing lead to increased confidence that the code is a viable candidate for production and that more expensive tests—time, effort, cost—are justified. Manual testing is performed toward the end of the pipeline, leaving computers to do as much work as possible before people get involved. Although it is tempting to arrange the delivery pipeline in phases (e.g., functional tests, then acceptance tests, then load and performance tests, then security tests), this can lead to serious problems progressing far down the pipeline before they are caught. Gene shows how to arrange your tests so each round provides just enough testing to give you confidence that the next set of tests is worth the investment. He explores how to get the right types of testing into your pipeline at the right points.
Experiences Bringing CD to a DoD ProjectGene Gotimer
Not every continuous delivery initiative starts with someone saying "drop everything. Let's do DevOps." Sometimes you have grow your practice incrementally. And sometimes, you don’t set out to grow a practice at all-- you are just fixing problems with your process, trying to make things better.
I'll walk through a case study of how our team worked on an exemplar project for the Department of Defense to show that agile could work in a decidedly waterfall culture. I’ll also discuss techniques and tools we used to bring a DevOps mindset and continuous delivery practices into an environment that wasn't already Agile.
I'll talk about how we were able to start in development, where we had the most control, with a "let's starting being Agile" initiative and working on "why is continuous integration important?" From there, we tackled one problem after another, each time making the release a little easier and a little less risky. We incrementally brought our practices through other environments until the project was confidently delivering working, QA-tested, security-tested releases that were ready for production every two weeks. I’ll discuss the journey we took and the tools we used to get to build quality into our product, our releases, and our release process.
This session is aimed at people that are trying to adopt agile and continuous delivery, but might be worried that it can’t work in their particular environment due to the enterprise, the culture, or the regulations that surround them.
Not every continuous delivery initiative starts with someone saying "drop everything. Let's do DevOps." Sometimes you have grow your practice incrementally. And sometimes, you don’t set out to grow a practice at all-- you are just fixing problems with your process, trying to make things better.
I'll walk through a case study of how our team worked on an exemplar project for the Department of Defense to show that agile could work in a decidedly waterfall culture. I’ll also discuss techniques and tools we used to bring a DevOps mindset and continuous delivery practices into an environment that wasn't already Agile.
I'll talk about how we were able to start in development, where we had the most control, with a "let's starting being Agile" initiative and working on "why is continuous integration important?" From there, we tackled one problem after another, each time making the release a little easier and a little less risky. We incrementally brought our practices through other environments until the project was confidently delivering working, QA-tested, security-tested releases that were ready for production every two weeks. I’ll discuss the journey we took and the tools we used to get to build quality into our product, our releases, and our release process.
This session is aimed at people that are trying to adopt agile and continuous delivery, but might be worried that it can’t work in their particular environment due to the enterprise, the culture, or the regulations that surround them.
Developing a delivery pipeline means more than just adding automated deploys to the development cycle. To be successful, tests of all types must be incorporated throughout the process in order to be sure that problems aren’t slipping through. Most pipelines include unit tests, functional tests, and acceptance tests, but those aren’t always enough. I’ll present some types of testing you might not have considered, or at least might not have considered the importance of. Some types will address code quality, others code security, and some the health and security of the pipeline itself.
This talk is aimed at people that are trying to build confidence in their continuous delivery pipeline. I’ll talk about specific tools we used to supplement our pipeline testing. I won’t get into how to use each tool-- this is more of a series of teasers to encourage people to look into the tools, and even letting them know what types of tools and testing opportunities are out there.
Continuous Delivery in a Legacy Shop - One Step at a TimeGene Gotimer
Not every continuous delivery (CD) initiative starts with someone saying “Drop everything. We’re going to do DevOps.” Sometimes, you have to grow your process incrementally. And sometimes you don’t set out to grow at all—you are just fixing problems with your process, trying to make things better. Gene Gotimer discusses techniques and the chain of tools he has used to bring a DevOps mindset and CD practices into a legacy environment. Gene discusses how his team started fixing problems and making process improvements in development. From there, they tackled one problem after another, each time making the release a little better and a little less risky. They incrementally brought their practices through other environments until the project was confidently delivering working and tested releases every two weeks. Gene shares their journey and the tools they used to build quality into the product, the releases, and the release process.
Create Disposable Test Environments with Vagrant and PuppetGene Gotimer
As the pace of development increases, testing has more to do and less time in which to do it. Software testing must evolve to meet delivery goals while continuing to meet quality objectives. Gene Gotimer explores how tools like Vagrant and Puppet work together to provide on-demand, disposable test environments that are delivered quickly, in a known state, with pre-populated test data and automated test fixture provisioning. With a single command, Vagrant provisions one or more virtual machines on a local box, in a private or public cloud. Puppet then takes over to install and configure software, setup test data, and get the system or systems ready for testing. Since the process is automated, anyone on the team can use the same Vagrant and Puppet scripts to get his own virtual environment for testing. When you are finished with it, Vagrant tears it back down and restores it to the same original state.
Bringing Continuous Delivery to the Enterprise: It's all about the MindsetGene Gotimer
Most people that introduce agile techniques to an organization quickly learn that teaching the practices are easy. It is the cultural shifts that prove to be the hardest changes. For 4½ years, Gene Gotimer worked on the Forge.mil project, using agile techniques to build an application lifecycle management tool to enable agile projects within the US Department of Defense. It was an exemplar project, showing other DoD projects that software can be delivered quickly and confidently with more security and higher quality by using agile techniques. The project started out introducing agile development, moved on to implementing continuous integration, and then evangelizing continuous delivery. Along the way the team ran into a lot of obstacles, some typical of any large enterprise, others tied to the DoD. The major issues were pure philosophy: they just didn’t think like agile developers. Gene will share experiences and anecdotes from the project, and talk about how the team was able to work within and around the policies and, most importantly, the culture and mindset to move the project towards continuous delivery. Hopefully others in similar situations will be able to identify and avoid similar issues in their organizations.
Essentials of Automations: The Art of Triggers and Actions in FMESafe Software
In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
OpenMetadata Community Meeting - 5th June 2024OpenMetadata
The OpenMetadata Community Meeting was held on June 5th, 2024. In this meeting, we discussed about the data quality capabilities that are integrated with the Incident Manager, providing a complete solution to handle your data observability needs. Watch the end-to-end demo of the data quality features.
* How to run your own data quality framework
* What is the performance impact of running data quality frameworks
* How to run the test cases in your own ETL pipelines
* How the Incident Manager is integrated
* Get notified with alerts when test cases fail
Watch the meeting recording here - https://www.youtube.com/watch?v=UbNOje0kf6E
In the ever-evolving landscape of technology, enterprise software development is undergoing a significant transformation. Traditional coding methods are being challenged by innovative no-code solutions, which promise to streamline and democratize the software development process.
This shift is particularly impactful for enterprises, which require robust, scalable, and efficient software to manage their operations. In this article, we will explore the various facets of enterprise software development with no-code solutions, examining their benefits, challenges, and the future potential they hold.
First Steps with Globus Compute Multi-User EndpointsGlobus
In this presentation we will share our experiences around getting started with the Globus Compute multi-user endpoint. Working with the Pharmacology group at the University of Auckland, we have previously written an application using Globus Compute that can offload computationally expensive steps in the researcher's workflows, which they wish to manage from their familiar Windows environments, onto the NeSI (New Zealand eScience Infrastructure) cluster. Some of the challenges we have encountered were that each researcher had to set up and manage their own single-user globus compute endpoint and that the workloads had varying resource requirements (CPUs, memory and wall time) between different runs. We hope that the multi-user endpoint will help to address these challenges and share an update on our progress here.
Need for Speed: Removing speed bumps from your Symfony projects ⚡️Łukasz Chruściel
No one wants their application to drag like a car stuck in the slow lane! Yet it’s all too common to encounter bumpy, pothole-filled solutions that slow the speed of any application. Symfony apps are not an exception.
In this talk, I will take you for a spin around the performance racetrack. We’ll explore common pitfalls - those hidden potholes on your application that can cause unexpected slowdowns. Learn how to spot these performance bumps early, and more importantly, how to navigate around them to keep your application running at top speed.
We will focus in particular on tuning your engine at the application level, making the right adjustments to ensure that your system responds like a well-oiled, high-performance race car.
E-commerce Application Development Company.pdfHornet Dynamics
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A Study of Variable-Role-based Feature Enrichment in Neural Models of CodeAftab Hussain
Understanding variable roles in code has been found to be helpful by students
in learning programming -- could variable roles help deep neural models in
performing coding tasks? We do an exploratory study.
- These are slides of the talk given at InteNSE'23: The 1st International Workshop on Interpretability and Robustness in Neural Software Engineering, co-located with the 45th International Conference on Software Engineering, ICSE 2023, Melbourne Australia
Utilocate offers a comprehensive solution for locate ticket management by automating and streamlining the entire process. By integrating with Geospatial Information Systems (GIS), it provides accurate mapping and visualization of utility locations, enhancing decision-making and reducing the risk of errors. The system's advanced data analytics tools help identify trends, predict potential issues, and optimize resource allocation, making the locate ticket management process smarter and more efficient. Additionally, automated ticket management ensures consistency and reduces human error, while real-time notifications keep all relevant personnel informed and ready to respond promptly.
The system's ability to streamline workflows and automate ticket routing significantly reduces the time taken to process each ticket, making the process faster and more efficient. Mobile access allows field technicians to update ticket information on the go, ensuring that the latest information is always available and accelerating the locate process. Overall, Utilocate not only enhances the efficiency and accuracy of locate ticket management but also improves safety by minimizing the risk of utility damage through precise and timely locates.
Globus Compute wth IRI Workflows - GlobusWorld 2024Globus
As part of the DOE Integrated Research Infrastructure (IRI) program, NERSC at Lawrence Berkeley National Lab and ALCF at Argonne National Lab are working closely with General Atomics on accelerating the computing requirements of the DIII-D experiment. As part of the work the team is investigating ways to speedup the time to solution for many different parts of the DIII-D workflow including how they run jobs on HPC systems. One of these routes is looking at Globus Compute as a way to replace the current method for managing tasks and we describe a brief proof of concept showing how Globus Compute could help to schedule jobs and be a tool to connect compute at different facilities.
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Enhancing Research Orchestration Capabilities at ORNL.pdfGlobus
Cross-facility research orchestration comes with ever-changing constraints regarding the availability and suitability of various compute and data resources. In short, a flexible data and processing fabric is needed to enable the dynamic redirection of data and compute tasks throughout the lifecycle of an experiment. In this talk, we illustrate how we easily leveraged Globus services to instrument the ACE research testbed at the Oak Ridge Leadership Computing Facility with flexible data and task orchestration capabilities.
Zoom is a comprehensive platform designed to connect individuals and teams efficiently. With its user-friendly interface and powerful features, Zoom has become a go-to solution for virtual communication and collaboration. It offers a range of tools, including virtual meetings, team chat, VoIP phone systems, online whiteboards, and AI companions, to streamline workflows and enhance productivity.
We describe the deployment and use of Globus Compute for remote computation. This content is aimed at researchers who wish to compute on remote resources using a unified programming interface, as well as system administrators who will deploy and operate Globus Compute services on their research computing infrastructure.
Software Engineering, Software Consulting, Tech Lead, Spring Boot, Spring Cloud, Spring Core, Spring JDBC, Spring Transaction, Spring MVC, OpenShift Cloud Platform, Kafka, REST, SOAP, LLD & HLD.
Do you want Software for your Business? Visit Deuglo
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Deuglo follows seven steps methods for delivering their services to their customers. They called it the Software development life cycle process (SDLC).
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Introducing Crescat - Event Management Software for Venues, Festivals and Eve...Crescat
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