How can you make your regression testing automation scripts more maintainable and scalable?

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Regression testing automation is a powerful way to ensure that your software works as expected after any changes or updates. However, if you don't follow some best practices, your automation scripts can become difficult to maintain and scale as your software grows and evolves. In this article, you will learn how to make your regression testing automation scripts more maintainable and scalable by following these six tips.

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Muhammad UsMan

Sr. Test Automation Engineer | AWS | Big Data | ETL | ML | Ai | Selenium | Cypress | OBDX/fintech | Embedded Systems

1 Use a modular design

One of the key principles of maintainable and scalable code is to use a modular design, which means breaking down your scripts into smaller, reusable, and independent components. This way, you can avoid duplication, reduce complexity, and make your scripts easier to read, debug, and update. For example, you can use functions, classes, or libraries to encapsulate common actions, data, or logic that you need in multiple scripts. You can also use parameters, variables, or configuration files to make your scripts more flexible and adaptable to different scenarios.

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Muhammad UsMan

Sr. Test Automation Engineer | AWS | Big Data | ETL | ML | Ai | Selenium | Cypress | OBDX/fintech | Embedded Systems
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Follow coding standards: Enforce consistent coding practices and naming conventions. Version control: Use a VCS like Git to track changes. Parameterization: Parameterize test data to handle different scenarios without code changes. Logging and reporting: Implement comprehensive logging and reporting for better debugging. Test data management: Separate test data from test scripts for flexibility and maintenance. Continuous integration: Integrate automation into CI/CD pipelines for regular testing. Error handling: Implement robust error handling to gracefully handle unexpected issues. Regular reviews: Conduct code reviews to identify and fix issues early. Documentation: Maintain clear documentation for scripts, and dependencies.

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Ayush Srivastava

Firmware Validation Engineer @UST | Ex- UKG, Capgemini
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Using version control systems, following coding standards and CI/CD deployment for automation helps achieve seamless regression testing automation.

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Yogendra Porwal

Architect Test Automation | Java | Javascript | Python | Web | Mobile | Performance Testing | Locust | Jmeter | API Testing | Rest Assured | PyTest
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The most popular modular design pattern as of now is Page Object Model, that proved its capability in modularity and maintainability. You can also go one more layer down and create model object which are common in multiple pages like header and footer. But be aware to don't overdo it. I have seen people making their framework too complex just to favour modularity.

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2 Follow coding standards

Another important aspect of writing maintainable and scalable code is to follow coding standards, which are a set of rules or guidelines that define how your code should look and behave. Coding standards help you to write consistent, clear, and readable code that follows best practices and conventions of your programming language, tool, or framework. For example, you can follow naming conventions, indentation rules, commenting styles, or error handling techniques that are widely accepted and used by other developers. Coding standards also help you to avoid common errors, bugs, or vulnerabilities that can compromise your code quality and performance.

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3 Use version control

Version control is a system that helps you to track, manage, and collaborate on changes made to your code over time. Version control is essential for maintaining and scaling your regression testing automation scripts, as it allows you to keep a history of your code changes, compare different versions, revert to previous states, or merge code from different sources. Version control also helps you to avoid conflicts, errors, or data loss that can occur when multiple developers work on the same code base. For example, you can use tools like Git, SVN, or Mercurial to create and manage repositories, branches, commits, or tags for your scripts.

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4 Implement code reviews

Code reviews are a process of examining and evaluating your code by yourself or by other developers before it is merged or deployed. Code reviews are a valuable practice for improving the maintainability and scalability of your regression testing automation scripts, as they help you to identify and fix errors, bugs, or inconsistencies in your code, as well as to ensure that your code meets the coding standards, requirements, and expectations. Code reviews also help you to learn from other developers, share feedback, suggestions, or best practices, and enhance your code quality and performance. For example, you can use tools like GitHub, Bitbucket, or Gerrit to create and manage pull requests, comments, or approvals for your scripts.

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Muhammad UsMan

Sr. Test Automation Engineer | AWS | Big Data | ETL | ML | Ai | Selenium | Cypress | OBDX/fintech | Embedded Systems
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Integrate code reviews into the process to enhance regression testing automation quality and maintainability. Incorporate code reviews for robust regression testing automation.

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5 Use test data management

Test data management is a process of creating, storing, and managing the data that you use in your regression testing automation scripts. Test data management is crucial for maintaining and scaling your regression testing automation scripts, as it helps you to ensure that your data is valid, accurate, and relevant for your test scenarios, as well as to avoid data dependencies, corruption, or leakage that can affect your test results or execution. Test data management also helps you to optimize your data usage, storage, and maintenance, and to comply with data privacy and security regulations. For example, you can use tools like Faker, Test Data Generator, or SQL Data Generator to create and manage synthetic, realistic, or random data for your scripts.

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Muhammad UsMan

Sr. Test Automation Engineer | AWS | Big Data | ETL | ML | Ai | Selenium | Cypress | OBDX/fintech | Embedded Systems
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Implement test data management for controlled, consistent, and reusable test data in automated regression testing. Leverage test data management for consistent, reusable regression test data.

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6 Use continuous integration and continuous delivery

Continuous integration and continuous delivery (CI/CD) are practices of automating and streamlining the process of building, testing, and deploying your code. CI/CD are beneficial for maintaining and scaling your regression testing automation scripts, as they help you to ensure that your code is always integrated, tested, and delivered in a fast, reliable, and consistent manner. CI/CD also help you to detect and resolve issues early, reduce manual efforts and errors, and increase your code quality and performance. For example, you can use tools like Jenkins, Travis CI, or CircleCI to create and manage pipelines, stages, or jobs for your scripts.

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Muhammad UsMan

Sr. Test Automation Engineer | AWS | Big Data | ETL | ML | Ai | Selenium | Cypress | OBDX/fintech | Embedded Systems
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Utilize continuous integration and continuous delivery (CI/CD) for automated regression testing to ensure seamless testing and deployment integration.

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7 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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Muhammad UsMan

Sr. Test Automation Engineer | AWS | Big Data | ETL | ML | Ai | Selenium | Cypress | OBDX/fintech | Embedded Systems
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Test case management: Organize and prioritize test cases. Test environment management: Ensure a consistent and reliable test environment. Test data generation: Automate the generation of test data. Parallel execution: Optimize test execution by running tests in parallel. Scalable infrastructure: Scale your automation infrastructure as needed for larger tests. Test maintenance strategy: Plan for regular script updates to adapt to application changes. Test suite optimization: Keep the test suite lean by removing redundant tests. Continuous learning: Stay updated with industry best practices and emerging tools. Performance testing: Consider incorporating performance testing into your regression suite.

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How can you make your regression testing automation scripts more maintainable and scalable?

1

2

3

4

5

6

7

1 Use a modular design

2 Follow coding standards

3 Use version control

4 Implement code reviews

5 Use test data management

6 Use continuous integration and continuous delivery

7 Here’s what else to consider

Software Testing

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How can you make your regression testing automation scripts more maintainable and scalable?

1

2

3

4

5

6

7

1 Use a modular design

2 Follow coding standards

3 Use version control

4 Implement code reviews

5 Use test data management

6 Use continuous integration and continuous delivery

7 Here’s what else to consider

Software Testing

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