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Regression automation testing

Regression testing is a type of testing which ensures that any change in the application code does not affect the old working code and its features. In software development, any change to the code regarding enhancements, bug fixes, or new functionality might accidentally lead to new errors or the recurrence of old defects. So, it is always important to ensure that the application is working fine even after the changes.

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At Zappletech, we do regression testing for each code changes or functionality changes. We’re creating and automating regression test suites based on the business requirements, priority modules, important features, etc and execute them during every test cycle and ensure that the system is working as expected. We prioritize the test cases for the regression test suite based on the functionalities that are more important, functionalities that fail frequently, complex test cases, test cases that cover the recent code changes, etc.

Why Automated Regression Testing Services?

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Users demand rapid changes to applications as their needs are more dynamic than ever. Modifications in the database & operating system updates, functionality enhancements, integrations, patches, etc. require Continuous Integration (CI) and Continuous Deployment (CD). This requires Continuous Testing (CT) practices being in place.
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2
Regression testing is a CT practice that mandates re-running of functional & non-functional tests. By making any changes, the software performs as it did before. For the regression test to function effectively, it is important for enterprises to implement robust test automation services in place.
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3
Our systematic approach to Regression Testing ensures minimum disruption while keeping costs under control. Our Regression Testing suite guarantees that the new features or enhancements to the application do not cause any unintended impact to the existing quality of the applications. Our regression testing solutions ensure outcomes of these enhancements are as per the original plan.
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Why Automated Regression Testing Services?

Unit testing
Integration testing
Acceptance testing
System testing

Our Automation Approach In Regression

Regression testing requires the execution of a set of test cases for every test cycle, which is a time-consuming and tedious process. So, Zappletech focuses on automating the regression testing efforts that would save time and costs.

We understand your priorities, basic functional cases list, and we can automate the regression suite using an open-source tools. We run a full regression suite to ensure complete functionality coverage after any server patches, code changes, and database upgrades of your code.

1
Comprehensive strategy:
A mixture of API testing, manual testing, automated testing, UI testing, & unit testing
2
Detailed traceability matrix:
Outlines of the requirements vs. test cases
3
Dependency analysis:
Performed between test cases and requirements
4
Change reports:
Issues between the current release and previous release
5
Release-specific
regression test pack
6
Risk-based analysis:
Pareto analysis, FMEA, Output from code coverage report, etc.
7
Continuous pruning:
Regression tests packs are continuously pruned by removing the test cases that are no longer needed & inserting additional ones.

Zappletech’s Regression Automation Testing Methodology

Analyses impact & evaluates test readiness
Defines test data for positive/negative testing
Authors functional test cases & identifies test data
Executes regression suite & reports execution status
Defines, plans, & estimates formal quality gate
Reviews requirements in detail & prioritizes functionalities
Documents and reports defects
Maintains and manages the defect lifecycle
Publishes go/no-go dashboard for the release
Assists business teams in conducting business acceptance testing
Provides support services to assist teams with defect reproduction
Develops traceability matrix between the requirements vs. test cases

What are the distinctions between regression, integration, and unit testing?

Let’s use an example to demonstrate the differences between the three. Assume you’re creating an ecommerce site. To test a significant portion of code or module responsible for inventory management, you’ll need to use unit testing. When you need to add a third-party payment system to your ecommerce website, integration testing comes into play. This testing ensures that combining two systems does not break anything and that the flow is functioning properly. Finally, you run regression tests to determine if your new features, such as an inventory management module and a payment system, have broken anything else on your site. Regression testing entails re-testing functionality after each change. Software developers perform unit testing. Both developers and testers perform integration testing.

Manual or automated regression testing?

Automating frequently repeated test cases is always a good idea, especially in large projects. Manual testing may be the most efficient option if you have a tiny application with fast changing features.

When should regression testing be carried out?

The following are some of the most common regression testing scenarios:
– Running test cases with a lot of defects
– Verifying basic product functionalities – Testing user-facing functionality
– Putting integration test cases to the test

What role does regression testing play in the development of high-quality software?

The likelihood of software issues grows with each new change, bug correction, system update, or new feature implementation. Bugs might go into production unnoticed unless regression testing is performed. Regression testing ensures that each release is of high quality. It is the “stepchild” of agile testing, and it is required for agile teams to consistently deliver high-quality software.

FAQ

Frequently asked questions

We gave answers to common questions related to Agile QA outsourcing. If your question isn’t covered here, please send it to us via email. We’re always happy to help you.

Regression testing in software engineering is a type of QA testing used to verify if new changes in the codebase didn’t affect the existing functionality of the application.

With every new alteration, bug fix, a system update, or a new feature implementation, the probability of software issues increases. Unless you do regression testing, you can miss the bugs on production. Regression automation testing helps you maintain the quality of every release. It is the “stepchild” of regression testing, critical to enable agile teams to deliver quality software over and over again

Below are a few most common scenarios for regression testing:
– Carrying out test cases with frequent defects
– Testing user-facing functionality
– Verifying core product features
– Testing integration test cases

Regression testing is perfect for test automation since it is so repetitive. Automation of regression testing is, in fact, a must for anything other than a modest project.

The functionality of new programming code is evaluated.
Ensures that new coding does not conflict with current coding.
After installing software updates, ensures that there are no faults or issues.
Allows existing software to be retested after changes to the application.

Let’s explain the difference between the three using an example. Imagine you’re building an ecommerce website. You need to do Unit testing to test a large chunk of code or module responsible for inventory management. Integration testing comes into play when you need to add a third-party payment system to your ecommerce website. This testing helps you make sure that integrating two systems doesn’t break anything and the flow is working as intended. At last, you are making regression testing to see if your newly added features such as an inventory management module and a payment system didn’t break anything else on your website. Regression testing is about re-testing the functionality every time you implement changes.
Unit testing is done by software developers. Integration testing is done by both developers and testers. And regression testing is performed by testers.

We always recommend automating frequently repeated test cases, especially at large projects. If you have a small application with rapidly-evolving features, manual testing may be your most efficient approach.

There are three aspects to consider when adopting a regression test automation approach: process, technology, and responsibilities.

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Working with Zappletech, you will have quick engagement in 1-2 weeks, organized senior-level engineering team with a product development mindset, save up to 30% of the budget, time and efforts compared to hiring and managing your in-house development team.

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Symon Storozhenko

Set up numerous automation frameworks in Java, JavaScript and Python using Selenium and Playwright
Author of pytest-playwright-visual package for Playwright visual testing with Python:
https://github.com/symon-storozhenko/pytest-playwright-visual Created 10k Animated NFT
collection using Python: https://opensea.io/collection/united-smiles-of-humanoids
Lecturer on Udemy: https://www.udemy.com/course/playwright-with-python-for-web
-automation-testing/

Marco A. Cruz

Marco is a lead SDET with over eight years of software testing experience. He is the founder of automateNow, where he has embarked on a journey
to help as many aspiring engineers as possible to make their dreams a reality. He has led small and medium-sized teams of developers in the
e-commerce, engineering, insurance, and workforce intelligence domains. Marco is also a United States Navy combat veteran.

Paul Grossman

Paul Grossman has over 20 years experience as an SDET with numerous test automation tool sets and languages. Most recently he began
managing five WebDriverIO projects in JavaScript for Guaranteed Rate. Prior to that he spent three years working with Selenium in Java as
well as Micro Focus UFT One in VBScript. He recently wrote a Natural Language Processing engine Add On for the TestProject community.
He is currently conducting a Proof of Concept of the testRigor low-code tool Paul have been a speaker at test automation conferences for 16 years.
He has been a featured guest on the Halloween episodes of the Test Guild automation podcast with Joe Colantonio and The QA
Lead podcast with Jonathan Wright.

Larry Goddard

Larry Goddard is the Test Automation Architect at Oxford University Press (OUP) with responsibility for developing the organisations
Testing Strategy and Framework. Larry is a member of BCS – The Chartered Institute for IT (MBCS), co-founder & CEO of the KLASSI brand,
Creator of 'klassi-js' a open-source Test Automation Framework, Larry is also a Mentor (Aleto Foundation, Black Girls in Tech and Private Individuals)
and Speaker at Tech Conferences and meet-ups dealing with and highlighting Test Automation.

Gáspár Nagy

Gáspár Nagy is the creator of SpecFlow, regular conference speaker, blogger, editor of the BDD Addict monthly newsletter, and co-author of the
books "Discovery: Explore behaviour using examples" and "Formulation: Document examples with Given/When/Then". Gáspár is an independent
coach, trainer and test automation expert focusing on helping teams implementing BDD and SpecFlow. He has more than 20 years of experience in
enterprise software development as he worked as an architect and agile developer coach.

Chris Hyde

I have extensive experience with test architecture, test suite/case management, and test direction for multiple projects. My development experience helps
with understanding how to componentize major test efforts into testable units, and also architecting test frameworks to mirror those of the systems under
test. Lead all aspects of Software Testing with resourcing, planning, allocation and ongoing support. Define, design, and drive implementation of test automation
architecture. Work with DevOps to ensure tests are run at the correct time, cadence, and phase of development process. Familiar with all modern JavaScript webapp
stacks - reactive frameworks, REST APIs(and their respective testing tools), microservices, SPA, AWS/Azure/GCP, big data (hadoop, spark, Postgres, MongoDB, etc).

Jonathon Wright

Jonathon Wright is a strategic thought leader and distinguished technology evangelist. He specializes in emerging technologies, innovation, and automation,
and has more than 25 years of international commercial experience within global organizations. He is the Chief Technology Evangelist for Eggplant a Keysight
Technologies company based in Cambridge in the UK. Jonathon combines his extensive practical experience and leadership with insights into real-world adoption
of Cognitive Engineering (Enterprise A.I. and AIOps). Thus, he is frequently in demand as a speaker at international conferences such as TEDx, Gartner, Oracle,
AI Summit, ITWeb, EuroSTAR, STAREast, STARWest, UKSTAR, Guild Conferences, Swiss Testing Days, Unicom, DevOps Summit, TestExpo and Vivit Community.
In his spare time he is the QA advisory lead for MIT for the COVID Paths Check foundation throughout the Coronavirus pandemic. He is also a member of
Harvard Business Council, A.I. Alliance for the European Commission, chair of the review committee for the ISO-IEC 29119 part 8 “Model-Based Testing”
and part 11 for the “Testing of A.I. based systems” for the British Computer Society (BCS SIGiST). Jonathon also hosts the QA lead (based in Canada) and the
author of several award-winning books (2010 – 2022) the latest with Rex Black on ‘AI for Testing’.

Thomas Haver

Thomas is presently serving as a Test Automation Architect. He leads a team of testers, ops engineers, and production support analysts in the adoption of
DevOps practices. Previously, he led the enterprise automation support of 73 applications at Huntington National Bank that encompassed testing, metrics
reporting, and data management. Thomas has a background in Physics & Biophysics, with over a decade spent in research science studying
fluorescence spectroscopy and microscopy before joining IT.

Eran Kinsbruner

Expert in Continuous testing of web and mobile apps, DevOps and Agile practices, SAST as well as product marketer with strong GTM vision. Amazon best selling author of a trilogy
of books (https://www.amazon.com/Eran-Kinsbruner/e/B07RK5SZH9%3Fref=dbs_a_mng_rwt_scns_share)
- The Digital Quality Handbook
- Continuous Testing for DevOps Professional
- Accelerating Software Quality in DevOps using AI and ML.
Industry thought leader, keynote speaker, blogger, industry event committee member (QA Global Summit), and author of the quarterly digital test coverage index report.
A contributor for InfoWorld.com (http://www.infoworld.com/author/Eran-Kinsbruner/) and for the EnterprisersProject (https://enterprisersproject.com/user/eran-kinsbruner).
Advisory board member for startups.
Certified:
ISTQB foundation level certified.
PMI (Pragmatic Institute Foundations) Certified
various quality related awards as well as 1 registered patent.
Meetup host for mobile Dev and Test TLV and Boston.
Speaking History:
StarEast, StarWest, DevOps East/West, Quest, STPCon, AutomationGuild, AndroidSummit, TISQA, TestExpo UK, Meetups, Webinars, Podcasts, All Day DevOps, QA Global Summit and many more.

Nikolaj Tolkačiov

Because I'm lazy and easily bored, I tend to automate everything I can, if I need to do something twice that is a good indication that something
is off. My automation experience suit includes mobile, gherkin, web, C#, Java, JavaScript, C++, Ruby, and multiple frameworks. I do coding and
“DevOps'ing” too because I gain most of the value not deep-diving into one framework or discipline, but generalizing in the whole spectrum of
software engineering. This generalist point of view allows me to see some issues from different angles and come up with more solutions to solve problems.

Adam Sandman

Adam Sandman was a programmer from the age of 10 and has been working in the IT industry for the past 20 years in areas such as architecture,
agile development, testing and project management. Adam is the Founder and CEO of Inflectra Corporation, where he is interested in technology,
business and enabling people to follow their passions.
At Inflectra, Adam has been responsible for researching the tools, technologies and processes in the software testing and quality assurance space.
Adam has previously spoken at StarEast (2021), TestCon (2021), JFTL (2021), STAR West (2020, 2021), Agile DevOps West (2020, 2021),
STPCon (2018 - 2020), Swiss Testing Day (2019, 2020), EuroSTAR 2020, InflectraCon (2019, 2020), TestingMind (2019, 2020) and STAR Canada (2019).

Larissa Rosochansky

A seasoned professional with over 21 years of experience in IT, Larissa is a strategist, innovator, consultant, and product manager focused on delivering value to
the customer using Lean Digital Transformation overseeing all efforts for a given Value Stream. Before that, she led the Intelligent Automation Offering for Brazil
Market at Avanade and the Global Automation Brazil Program, Test Practice, and its Go to Market activities at IBM Brazil.
Larissa holds a Law degree and a specialization in Software Engineering and she is a certified PMP by PMI, ITIL Foundation by EXIN, Certified SAFEe 5 Lean Portfolio
Manager, and PSM I by Scrum.org, and has the IT Specialist Level 2 - Test Discipline Badge and Design Thinking Co-Creator Badge from IBM.

Jenna Charlton

I began speaking in 2018 at CodeMash in Sandusky Ohio where my first talk How Pro Wrestling Made Me A World Champion Tester put me on the proverbial map.
Since then I’ve given far more serious talks at conferences like TestBash and Star. In 2020 I was a keynote at STARWest Virtual testing conference and I was on the selection
committees for STARWest 2021 and Agile Testing Days USA as well as host for TestBash Home 2020 and 2021. I am an occasional tech blogger, trainer, product owner, and
always a tester, but the accomplishments I’m most proud of are my ordination as a deacon at South Euclid UCC in 2016 and my long and happy marriage to my spouse for
the past 11 years.