QA
min read

Implementing QA in a CI/CD Pipeline - Best Practices & Tips

Here are some actionable tips from our QA team on implementing QA testing into your CI/CD pipeline.
Himanshu Kansara
Himanshu Kansara
Updated on Nov 08/2023
QA
min read
Implementing QA in a CI/CD Pipeline - Best Practices & Tips
Here are some actionable tips from our QA team on implementing QA testing into your CI/CD pipeline.
image
Himanshu Kansara
Updated on Nov 08/2023
Table of contents
Importance of QA in CI/CD Pipeline
Tips on How to Implement QA in CI/CD Pipeline?
Common CI/CD Tools
Setting Up Automation Testing in CI/CD Pipeline – Best Practices
Advantages of Test Automation for CI/CD Pipeline
Final Thoughts

With time, software development processes have changed and become more agile. Practices like Continuous Integration (CI) and Continuous Delivery (CD) have become crucial parts of the modern software development process. As CI/CD pipeline requires frequent code changes, the role of QA in CI/CD pipeline becomes indispensable.

Let us understand the importance of CI/CD pipeline automation testing and get to know some actionable tips from our QA team on how to implement QA in the CI/CD pipeline. So without further ado, let’s get started!

Continuous Integration (CI)

In the modern-day application development approach, projects are broken down into simpler bits, and after division, they are all merged together into the main body, also known as the trunk. CI is the application development methodology wherein the code is integrated within the data repository several times in a day.

Typically, the CI/CD pipeline automation testing is seen at this stage as it helps with early bug detection and makes the project cost-effective.

Continuous Delivery (CD)

Continuous Delivery is an extension of Continuous Integration that helps in releasing all the changes at the production-end of development. It includes changes such as the introduction of new features, bug fixes, configurational changes, etc. The primary purpose of Continuous Deployment is to ensure predictability in scheduled maintenance.

Importance of QA in CI/CD Pipeline

QA accelerates delivery and deployment while fixing any recently introduced bugs. Continuous QA fits perfectly in the continuous-everything model and makes everything cheaper and faster.

Most importantly, CI/CD pipeline QA acts as a safety net, which allows the developers to focus primarily on the code, its changes, and the shipping updates, rather than worrying about testing!

Challenges of Manual Testing in CI/CD Pipeline

Even though the CI/CD pipeline pushes for continuous development, testing, and deployment, it is often plagued with manual testing. One of the greatest issues with manual testing is the delay per iteration, which starts accruing and pushing the deployment back. Slow feedback, slower changes, and painfully slow releases defeat the very purpose of CI/CD as manual testing is unable to keep up with the dynamic requirements.

At the same time, there is a need to run multiple tests depending on the objective of test suites. To conduct these tests, one needs to first identify the test cases and then run them one at a time. Hence, manual testing makes the process sluggish by many folds.

Finally, the test cycles call for separate test environments that teams will have to build manually, upgrade, and tear down. The effort that goes into mimicking the end-user environment may require multiple permutations and combinations that the team will have to identify, build, and update.

The challenges mentioned above can be overcome by onboarding a Chief Technological Officer. Hiring CTO consulting services can help organizations formulate a clear technology strategy aligned with their goals. It allows organizations to navigate the complex landscape of technology and make informed decisions to achieve their business objectives.

Need for Automation Testing in CI/CD Pipeline

Even though manual testing is prevalent, it is evident that it is a failing battle. Following are the clear advantages of CI/CD pipeline automation testing:

  • It allows for quicker, more responsive feedback loops that continuously test the codes and share feedback within a span of a few minutes. Resultantly, the CI/CD pipeline witnesses rapid acceleration.
  • Automation helps in the detection of test procedures and has room for parallel testing capabilities. Teams can run automated cross-browser concurrent tests that will reduce the testing time and improve test coverage.
  • Through automated testing, teams can enjoy automatic provisioning that helps in setting up test environments in just a few clicks! Test automation tools come equipped with the latest versions of operating systems and browsers. Hence, teams do not have to spend valuable time manually recreating the various environments.
  • Continuous testing and QA allows the development team to meet the quality and security requirements consistently. Furthermore, it offers greater scalability than manual testing.

While manual testing can be reserved for specific testing types and modules, such as exploratory testing, it is best to automate testing for seamless integration of QA in the CI/CD pipeline.

Tips on How to Implement QA in CI/CD Pipeline?

To modify the CI/CD pipeline, QA professionals can introduce the following actionable measures:

     1. Use Selenium for Automated Cross-Browser Testing 

Different browsers (and sometimes the different versions of the same browser) operate on different protocols and engines. Regardless, the performance of the website should remain consistent throughout. Hence, it is crucial to perform cross-browser testing through Selenium.

     2. Select the Right Set of CI/CD Tools

Given the diverse range of CI/CD tools, it can be confusing to identify the ones that you require. Typically, it should match your overall requirements and support the platforms, frameworks, and technologies that you require.

     3. Align the Testers with the Developers

Naturally, for the perfect CI/CD pipeline automation testing, the developers and testers must work hand-in-hand to achieve the desired results. Through early-stage incorporation, the overall quality of the project will improve rather than posing it as an afterthought. Further, it will decrease the time-to-market, and you will deliver high-quality, tested applications frequently.

      4. Closely Monitor Load Clashes

With an automated pipeline, one can expect a stable, bug-free build that is ready for deployment. And while it is deployed, developers must gain access to test reports, especially those containing any issues or failures. These reports will shed light on the reasons why it failed the test and the user behavior that led to the load clash. As a result, developers can make changes according to these findings. 

      5. Document Every Aspect of CI/CD Pipeline

Documentation helps maintain the testing quality during automated unit testing, which also improves the quality of solutions. Automated unit tests contribute to self-documentation, where code maintenance plays a crucial role in software development. As a result, developers can benefit from a testing model that develops through self-learning. At the same time, the main documentation helps mitigate any software risk and takes care of maintenance.

Common CI/CD Tools

Developers use common CI/CD tools to introduce automation in the development, testing, and deployment stages. Some tools are designed specifically for CI, and some are better at managing CD. 

CI/CD Tools

Some of the most common CI/CD automation tools used by development teams include:

  • Jenkins for end-to-end CI/CD framework implementation and execution
  • Tekton Pipelines for CI/CD automation over the Kubernetes platform
  • Gitlab for version control and cloud-based CI techniques
  • Bamboo for CI when operating on Jira
  • Spinnaker for continuous delivery over multi-cloud platforms
  • GoCD, which is a server for CI/CD that rests heavily on visualization and modelling
  • Concourse for CI/CD management
  • Screwdriver for CD

Teams may even find managed CI/CD test automation tools offered by a wide range of vendors.

Setting Up Automation Testing in CI/CD Pipeline – Best Practices

You can get the best out of the automation testing in CI/CD pipeline through the following measures:

     1. Introduce incremental changes

Introducing QA in CI/CD cannot be an overnight change. Hence, make use of a feature-by-feature approach to start with the larger features that need to be broken down into smaller test features. In doing so, development teams can also manage their commits.

     2. Locate parts that call for automation

On seeing the clear advantages of CI/CD pipeline automation testing, one may want to dive right in and automate everything. However, it is best to first automate those stages and test cases that genuinely ask for it. It is better to assign priorities and work your way through them.

    3. Set up parallel testing features

Parallel and automated cross-browser tests increase coverage and reduce test times. Hence, run the tests in parallel and scale the server size to accelerate them.

     4. Program automatic triggers

For perfect and smooth hand-offs, developers must define automatic triggers to deploy the services to the development environment after the code and builds pass all the tests.

      5. Enable Smoke Tests

Every deployment should be followed by an automatic smoke test. This smoke test will ensure that the code retains its original and core functionality despite the changes. In case the smoke test is positive, the CI/CD pipeline QA must initiate automatic deployment.

      6. Remove duplication

Test duplication slows down the regression and automation in the CI/CD pipeline. Therefore, monitor all the test suites to identify similar test scenarios and eliminate all but one.

Advantages of Test Automation for CI/CD Pipeline

With continuous QA in CI/CD, the project development cycle can enjoy the following benefits:

Benefits of QA in CI/CD

  • Faster assessment of minor changes as the automated pipeline can easily and effectively integrate these and deliver continuous changes after it has been tested thoroughly.
  • Automation allows for faster speed and minimal delays. Thus, the results of regression tests generate feedback quickly, which decreases the execution time.
  • In addition to running faster tests and getting quicker feedback, automated QA allows parallel testing with cross-browser capabilities.
  • The CI/CD pipeline and QA automation therein deliver quick and reliable results with almost no room for variations or anomalies. These consistent results make them more dependable than manual testing.
  • In the dynamic CI/CD pipeline world, agility is the name of the game. With an automated pipeline, adjusting frameworks, tools, and configurations becomes highly agile and adapts to the change in requirements.
  • Since most of the reconfiguration in the CI/CD pipeline can be automated, there is a wide scope for scalability, especially in the long run.

Final Thoughts

Automation testing improves the ability of the CI/CD pipeline to deliver error-free codes without compromising on the quality. And while the automated pipeline is linear, the feedback loop becomes an area of interest as all the crucial metrics will be readily available at this stage. These analytics can help with performance monitoring and enhancement, which will boost the quality of the project.

The close-knit construction of the CI/CD pipeline also highlights the role and importance of every contributor. Further, it demonstrates the effectiveness of their deliverables in maintaining code and project quality. Thus, QA managers should follow a hands-on approach and involve all stakeholders in the test development and environment provisioning strategies. In this manner, businesses can deliver high quality and include continuous testing through the processes.

In a nutshell, the formula is simple, Continuous Integration + Continuous Delivery + Continuous Testing + Continuous Deployment + Continuous Feedback = Continuous Improvement!

Maruti Techlabs offers hassle-free continuous testing services. We incorporate testing services seamlessly in your CI/CD pipeline to streamline and get the most out of your development cycles. For end-to-end QA services, simply drop us a note here and we’ll take it from there.

Himanshu Kansara
About the author
Himanshu Kansara

Himanshu is the VP of QA & Operations at Maruti Techlabs. His sharp eye for detail ensures everything works perfectly - both in the organization and the software we ship.

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  • Software Product Development
  • Artificial Intelligence
  • Data Engineering
  • DevOps
  • UI/UX
  • Product Strategy

  • DelightfulHomes (Product Development)
  • Sage Data (Product Development)
  • PhotoStat (Computer Vision)
  • UKHealth (Chatbot)
  • A20 Motors (Data Analytics)
  • Acme Corporation (Product Development)

  • React
  • Python
  • Nodejs
  • Staff Augmentation
  • IT Outsourcing

  • About Us
  • WotNot
  • Careers
  • Blog
  • Contact Us
  • Privacy Policy

USA 
5900 Balcones Dr Suite 100 
Austin, TX 78731, USA

India
10th Floor, The Ridge, Near Iskcon Cross Road
Opp. Wide Angle Cinema
Ahmedabad, Gujarat - 380054 

©2024 Maruti TechLabs Pvt Ltd . All rights reserved.