How do you align your regression testing strategy with the software development life cycle?

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Regression testing is the process of verifying that existing functionality and performance are not affected by changes or updates in the software. It is an essential part of ensuring software quality and reliability, especially in agile and continuous delivery environments. However, regression testing can also be time-consuming, costly, and complex, depending on the scope and frequency of the changes. Therefore, it is important to align your regression testing strategy with the software development life cycle (SDLC), so that you can optimize your testing efforts and resources, and deliver software that meets your customers' expectations and needs.

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Dimas Yudha Pratama

FinTech Architect | Bridging Business & Tech with Full-Stack Expertise & DevOps Prowess

1 Understand the SDLC model

The first step to align your regression testing strategy with the SDLC is to understand the SDLC model that your software project follows. Different SDLC models have different phases, activities, and deliverables, which can affect how and when you plan, execute, and report your regression tests. For example, if you follow a waterfall model, you might perform regression testing only after the completion of each major phase, such as design, development, and testing. On the other hand, if you follow an agile model, you might perform regression testing more frequently, such as after each sprint, iteration, or feature delivery. By understanding the SDLC model, you can define your regression testing objectives, scope, and schedule accordingly.

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Dimas Yudha Pratama

FinTech Architect | Bridging Business & Tech with Full-Stack Expertise & DevOps Prowess
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To get your regression testing in sync with the Software Development Life Cycle (SDLC), you first need to know which SDLC model your project is using. Each model has its own steps, which affect when and how you do regression testing. For instance, in the waterfall model, you usually do regression testing after big milestones like design or development. But in the agile model, you’re testing more often, like after every sprint or new feature. Understanding the SDLC model helps you figure out your regression testing goals, what needs testing, and when to do it, making everything run a lot smoother.

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Sangita M.

Visionary AI Strategist | Harnessing AI technology to solve real-world business challenges | Gen AI | Conversational AI | AI-Augmented Quality Engineering
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By closely integrating regression testing with each phase of the software development life cycle (SDLC), ensuring that tests are conducted at key milestones such as requirements gathering, design, development, testing, and deployment.

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2 Select the appropriate regression testing techniques

The next step to align your regression testing strategy with the SDLC is to select the appropriate regression testing techniques that suit your software project's characteristics and requirements. There are various regression testing techniques that you can use, such as retest all, selective, prioritized, or risk-based. Each technique has its own advantages and disadvantages, depending on factors such as the size, complexity, volatility, and criticality of the software. For example, if your software has frequent and minor changes, you might use a selective technique that tests only the affected or related modules or functionalities. On the other hand, if your software has infrequent and major changes, you might use a retest all technique that tests the entire software to ensure its stability and compatibility. By selecting the appropriate regression testing techniques, you can optimize your testing coverage, efficiency, and effectiveness.

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Dimas Yudha Pratama

FinTech Architect | Bridging Business & Tech with Full-Stack Expertise & DevOps Prowess
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To make your regression testing fit better with the software development life cycle (SDLC), you need to pick the right testing methods based on what your project needs. There are a few common approaches: you can go with retest all, selective, prioritized, or risk-based testing. Each one has its own upsides and downsides, depending on things like how big and complex your software is and how often changes happen. If you're making a lot of small updates, selective testing is a good way to focus on the parts that are affected. But if you’re dealing with big updates that don’t happen often, retest all helps ensure everything is running smoothly. Picking the right method helps you cover all your bases and keep your software quality in check.

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3 Automate your regression testing process

The third step to align your regression testing strategy with the SDLC is to automate your regression testing process as much as possible. Automation can help you reduce the manual effort, time, and cost of regression testing, as well as improve the accuracy, consistency, and scalability of your testing results. Automation can also enable you to integrate your regression testing process with other SDLC processes, such as code integration, build deployment, and release management. For example, you can use tools and frameworks that support continuous integration and continuous testing, such as Jenkins, Selenium, or TestNG. These tools and frameworks can help you automate your regression testing process by triggering, executing, and reporting your regression tests whenever there is a code change or a new build. By automating your regression testing process, you can enhance your testing agility and quality.

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Dimas Yudha Pratama

FinTech Architect | Bridging Business & Tech with Full-Stack Expertise & DevOps Prowess
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To keep your regression testing in sync with the software development life cycle (SDLC), it's a good idea to automate as much as you can. Automation cuts down on manual work, saves you time and money, and boosts accuracy and consistency. Plus, it makes it easier to fit into other parts of the SDLC, like integrating code and deploying builds. Tools like Jenkins, Selenium, and TestNG can help by running tests and reporting results automatically whenever there are code changes. By automating, you can test more quickly, get feedback faster, and ultimately improve the quality of your software.

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4 Monitor and measure your regression testing outcomes

The fourth step to align your regression testing strategy with the SDLC is to monitor and measure your regression testing outcomes regularly and systematically. Monitoring and measuring your regression testing outcomes can help you evaluate the effectiveness and efficiency of your regression testing process, as well as identify the areas of improvement and optimization. You can use various metrics and indicators to monitor and measure your regression testing outcomes, such as test coverage, defect density, defect severity, test execution time, test automation rate, or test cost. You can also use tools and dashboards that can help you collect, analyze, and visualize your regression testing data, such as Jira, TestRail, or Grafana. By monitoring and measuring your regression testing outcomes, you can ensure your testing alignment and alignment with the SDLC goals and objectives.

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Dimas Yudha Pratama

FinTech Architect | Bridging Business & Tech with Full-Stack Expertise & DevOps Prowess
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To keep your regression testing on the same page as the software development life cycle (SDLC), it's super important to regularly check in on how your tests are doing. This way, you can see what's working, what's not, and where you might need to step up your game. Look at key metrics like how much of your code is covered by tests, how many bugs you’re finding, how serious those bugs are, how long tests take, and how much you're automating. Using tools like Jira, TestRail, and Grafana can really help you gather and visualize this info, making it easier to track your progress. By staying on top of this stuff, you’ll keep your regression testing in sync with your SDLC goals and help ensure your software is top-notch.

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5 Communicate and collaborate with your stakeholders

The fifth step to align your regression testing strategy with the SDLC is to communicate and collaborate with your stakeholders throughout the SDLC. Your stakeholders include your customers, users, developers, testers, managers, and other parties who are involved or interested in your software project. Communicating and collaborating with your stakeholders can help you understand their expectations and needs, as well as share your regression testing plans, results, and feedback. You can use various methods and channels to communicate and collaborate with your stakeholders, such as meetings, emails, chats, or reports. You can also use tools and platforms that can help you facilitate your communication and collaboration, such as Slack, Confluence, or GitHub. By communicating and collaborating with your stakeholders, you can ensure your testing alignment and alignment with the SDLC vision and value.

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Dimas Yudha Pratama

FinTech Architect | Bridging Business & Tech with Full-Stack Expertise & DevOps Prowess
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To make sure your regression testing fits in well with the software development lifecycle (SDLC), it’s key to chat and work together with everyone involved. This includes customers, users, developers, testers, and managers. Good communication will help you grasp what they expect, share your testing plans, and get feedback on how things are going. You can use meetings, emails, or reports, and tools like Slack, Confluence, or GitHub to make collaboration easier. Keeping everyone in the loop and engaged helps your regression testing align with the bigger SDLC goals, ensuring everything stays transparent and meets the project's needs.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How do you align your regression testing strategy with the software development life cycle?

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1 Understand the SDLC model

2 Select the appropriate regression testing techniques

3 Automate your regression testing process

4 Monitor and measure your regression testing outcomes

5 Communicate and collaborate with your stakeholders

6 Here’s what else to consider

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