Category Archives: CS-443

“TestGuild Automation Podcast”: A Great Resource for Future Developers

The “TestGuild Automation Podcast” is a fantastic resource for computer science students preparing to enter the professional world. Hosted by Joe, the podcast dives deep into the realm of automation testing—a key aspect of software development where code is used to test other code. This method is vital as it helps detect and resolve issues quickly and effectively.

Joe has a unique ability to demystify complex testing concepts, making them accessible to listeners of all levels. His clear and straightforward speaking style ensures that even those new to the topic can grasp the essentials. The podcast is not just about learning; it’s an interactive platform where listeners can hear from seasoned professionals in the field. These guests share their journey, the challenges they’ve encountered, and the strategies they’ve employed to overcome them. This real-world insight is invaluable, as it shows the practical applications of theories and methods discussed.

The interviews with experienced testers and developers are particularly enlightening. They discuss not only technical challenges but also the dynamics of working in teams. This aspect is crucial in the tech industry, where collaboration and communication are as important as technical skills. The podcast sheds light on the collaborative nature of software development, emphasizing the importance of developers and testers working together to achieve the best results.

Here are some key takeaways from the “TestGuild Automation Podcast” that are especially beneficial for CS students:

  • The inevitability of bugs: No matter how skilled a programmer you are, errors are inevitable. Testing is essential for finding and fixing these bugs before the software goes live.
  • Creative problem-solving: Automation testing requires a creative approach to problem-solving, akin to the creativity needed in coding. Testers need to think outside the box to identify potential failures and vulnerabilities in software.
  • The importance of teamwork: The podcast highlights how effective collaboration between developers and testers leads to the development of robust software. It’s a reminder that everyone’s role in a tech project is vital and interconnected.
  • Career preparation: Understanding the basics of testing and quality assurance is a significant advantage in the job market. Employers value developers who are well-versed in these areas as it contributes to the overall quality and reliability of their products.
  • Enhanced coding skills: By learning about testing, developers can anticipate potential issues and write cleaner, more efficient code from the outset.

For those who are not only interested in coding but also in the broader aspects of software development, the “TestGuild Automation Podcast” is an excellent resource. It provides a comprehensive overview of the testing landscape, offering insights that are crucial for any aspiring developer who wants to excel in the tech industry.

I highly recommend giving this podcast a listen. It’s not only educational but also engaging, making complex topics understandable and interesting. 

Link: https://testguild.com/podcast/

From the blog CS@Worcester – Site Title by Iman Kondakciu and used with permission of the author. All other rights reserved by the author.

Exploring the “Code Review” Podcast: A Path to Coding Improvement

Why I Like the “Code Review” Podcast and How It Helps Me Code Better

As a CS student, I’m passionate about finding ways to level up my skills. Lately, I was listening  the “Code Review” podcast, and it’s become an unexpectedly valuable resource. Honestly, I used to think code reviews were only for those super experienced developers, but this podcast has completely changed my perspective.

What the Podcast is About

Think of this podcast as your guide to making your code the best it can be. They discuss everything from finding those pesky hidden bugs to making your code easier for others (and future you!) to understand. They also dive into the specific rules and guidelines that professional coders follow. The best part is that they explain everything clearly and use real-world examples to make it relatable.

What I Learned and How It Changed My Coding

  • Cleaner, More Reliable Code: I’ve picked up tons of tricks for writing code that’s well-organized and works the way it’s supposed to. This translates directly to better projects and way fewer frustrating “why-doesn’t-this-work?” moments.
  • Becoming a Bug Detective: The podcast stresses the importance of having an eagle eye when reviewing code. I’m now way better at spotting potential issues early on, saving myself loads of time and headaches later.
  • Understanding the Pro Mindset: Learning about the standards used in professional coding environments has been an eye-opener. It helps me understand what I’m doing well and where I can improve. This knowledge feels incredibly useful when working on school assignments and makes me feel more prepared for internships or jobs down the line.
  • The Power of Collaboration: The podcast made me realize that code reviews aren’t about criticizing. Instead, they’re about teamwork and creating the strongest software possible. I’m excited about the idea of collaborating with other coders to make something great.
  • Becoming a Helpful Code Reviewer: The hosts discuss helpful strategies for reviewing other people’s code, offering constructive feedback, and being a good coding teammate. I’ve become more confident in my ability to help others while also learning from their work.

Why I Recommend This Podcast

The “Code Review” podcast avoids overly complicated lingo, so it’s accessible even if you’re still learning the basics. I also love that I can listen while doing other things and still pick up incredibly useful knowledge.

You can find the “Code Review” podcast on most popular podcast platforms. If you’re eager to improve your coding skills, gain a deeper understanding of software development, and become a fantastic team player, I highly recommend checking it out.

Link: https://player.fm/podcasts/Code-Review

From the blog CS@Worcester – Site Title by Iman Kondakciu and used with permission of the author. All other rights reserved by the author.

Security Testing

As we transition into a time in which technology is an integral and nearly essential part of daily life, the necessity of security in the technology we use becomes ever so important. Apps, devices, websites, and everything in between may have access to your personal information. You may have entered passwords, names, bank information, card details, and much more when using these things and possibly even allowed them to save that information. You may have confidence that your information will not be leaked or stolen but even with the biggest, most trusted companies, it is not impossible. 

To combat the potentially massive amount of information from getting into the wrong hands, we perform what is known as security testing. Security testing is an “aspect of software testing focused on identifying and addressing security vulnerabilities in a software application… and… it aims to ensure that the software is secure from malicious attacks, unauthorized access, and data breaches” (hackerone). It ensures that users have their privacy, the system is safe and secure, and that the software meets regulations. 

Security testing involves identifying vulnerabilities in the software through means of scanning, hacking, and evaluating it. Hacking is a method that seems to stand out compared to the other likely due to how it’s unique to security. Hacking falls under what is known as Penetration Testing which involves simulating real-world attacks on the software in order to expose vulnerabilities. Hacking, by definition, is the gaining of unauthorized access to data in a system or computer, but in this case this form of testing falls under ethical hacking. Ethical hacking is essentially hacking but with legal authorisation and is intended solely for security reasons. Overall, security testing is the perfecting of a software’s security through means of identifying and exposing weaknesses and remediating them.

I’ve actually had my debit card info taken in the past and my money used to purchase things without my knowledge. Thankfully, I got all my money back as well as a new card but, at the time, I was extremely anxious and worried. I was desperately searching for what could have taken my information and to this day, I still have no clue. It was likely my fault for putting my information in some shady place but there’s a chance that a site or app I had my info in and trusted was breached. I believed that I was being very careful with what information I shared and where I shared it but that situation really shook me. Security testing is not a topic we went over in class but it is a good topic to learn about nonetheless. Although learning about the testing of security is not something that everyone is interested in, I believe that teaching people how to protect their information is becoming more and more important.

https://www.hackerone.com/knowledge-center/what-security-testing#:~:text=Security%20testing%20is%20an%20important,unauthorized%20access%2C%20and%20data%20breaches.

From the blog CS@Worcester – Kyler's Blog by kylerlai and used with permission of the author. All other rights reserved by the author.

443- Blog Post

The article “Property-Based Testing: A Test Strategy for Modern Software” on Codemotion’s website explores into the concept and benefits of property-based testing (PBT) in the context of modern software development. PBT is a systematic approach to testing software by defining general properties that the program should satisfy, rather than focusing solely on specific input-output pairs.

The piece begins by highlighting the limitations of traditional example-based testing, which often fails to cover all possible edge cases and scenarios. This leads to the introduction of PBT as a more comprehensive testing methodology. Unlike example-based testing, where tests are explicitly defined, PBT generates test cases automatically based on the properties defined by the tester.

The article talks about the key components of PBT, including generators, properties, and test runners. Generators are used to create random inputs for testing, ensuring a wide range of scenarios are covered. Properties, on the other hand, represent the general rules or invariants that the software should adhere to. These properties are then used to validate the behavior of the software under test.

One of the main advantages of PBT highlighted in the article is its ability to uncover edge cases and bugs that may not be caught by traditional testing methods. By generating random inputs based on defined properties, PBT can uncover unexpected behaviors and corner cases, leading to more robust and reliable software.

The article also discusses the challenges associated with PBT, such as the need for careful property definition and the overhead of generating and executing a large number of tests. Yet, it argues that the benefits of PBT outweigh these challenges, particularly in complex systems where traditional testing methods may fall short.

I really like this blog post because not only did it explain the theoretical aspects of PBT, the article provides practical examples and case studies to illustrate its effectiveness in real-world scenarios. It also showed like coding examples which really helped understand how it work instead of just trying to imagine how it could look like.

From the blog CS@Worcester – CS- Raquel Penha by raqpenha and used with permission of the author. All other rights reserved by the author.

blog post 3 – 443

The article “Pairwise Testing” by Ryan Craven explores into the concept and application of pairwise testing, a powerful technique used in software testing to enhance efficiency and effectiveness. Pairwise testing, also known as all-pairs testing, aims to analytically reduce the number of test cases required to test a system while still maintaining thorough coverage.

This blog begins by introducing the problem of combinatorial explosion in testing. Traditional thorough testing, where every possible combination of inputs is tested, quickly becomes impractical as the number of variables or parameters increases. Pairwise testing offers a solution to this problem by focusing on testing pairs of input values. The key insight is that many faults in software are caused by interactions between pairs of inputs rather than individual inputs themselves.

The author explains the core principles behind pairwise testing, emphasizing its ability to efficiently cover many combinations by selecting a representative subset. This approach significantly reduces the number of test cases needed compared to exhaustive testing while still providing effective coverage.

This blog also shares the concept of pairwise testing with a simple example involving a fictional coffee shop application. By identifying the parameters and their respective values (e.g., coffee size, type, extras), he demonstrates how pairwise testing can be applied to generate a minimal set of test cases that cover all possible pairs of values.

Also, the article discusses the benefits and limitations of pairwise testing. While it offers substantial reductions in test case count and provides good coverage, it may not detect faults involving interactions between more than two inputs. Craven advises on when pairwise testing is most suitable, such as in situations with limited time and resources or when dealing with complex systems with numerous input parameters.

This was a good blog post to read because it covered somethings we talked about in class during the group work. Through clear explanations and examples, the article serves as a helpful guide for understanding and applying pairwise testing in real-world scenarios. This is definitely something that will be very useful in the feature as my professional career expanded

From the blog CS@Worcester – CS- Raquel Penha by raqpenha and used with permission of the author. All other rights reserved by the author.

Static Testing Tools and Test Evaluation

In the fast-paced world of software development, ensuring the quality and reliability of code is essential for delivering successful products to the market. Static testing tools and test evaluation techniques play an important role in achieving these goals by enabling developers to identify defects, analyze code quality, and improve overall test coverage. First, let’s start by understanding what static testing tools are. It refers to the process of analyzing software artifacts, such as source code, design documents, and requirements specifications, without executing the program. Static tools scan code for potential defects, violations of code standards and security vulnerabilities. There are a lot of benefits of static testing tools. Static testing tools enables developers to detect defects early in the development lifecycle before code is executed. Improved code quality. By enforcing coding standards and best practices, static testing tools help maintain consistency and readability in code. This leads to higher-quality code that is easier to understand, maintain, and debug. Enhanced security. Static testing tools can identify security vulnerabilities and weaknesses in code, such as injection attacks. By identifying these issues early, developers can implement security controls to protect against potential threats. Increased productivity. Automating the process of code analysis with static testing tools saves developers time and effort, allowing them to focus on more critical tasks, such as feature development and bug fixing. This leads to increased productivity and faster time-to-market for software products.

Test evaluation involves assessing the effectiveness of test cases and test suites in detecting defects and achieving test objectives. This process helps identify gaps in test coverage, prioritize testing efforts, and optimize resource allocation. Some common test evaluation techniques include code coverage analysis. Code coverage metrics, such as statement coverage, branch coverage, and path coverage, measure the extent to which test cases exercise different parts of the codebase. By analyzing code coverage data, developers can identify areas of the code that have not been adequately tested and prioritize additional testing efforts accordingly. Mutation testing. Mutation testing involves introducing artificial defects, or “mutations,” into the codebase and running test cases to determine if the tests detect these mutations. This technique helps assess the effectiveness of test cases in detecting real-world defects and identifying areas of weakness in the test suite. Fault localization. Fault localization techniques help pinpoint the root causes of test failures by analyzing test results, execution traces, and code changes. By identifying the specific lines of code or program paths responsible for failures, developers can focus their debugging efforts and resolve issues more efficiently. I chose this resource because it does into depth talking about what static testing is and test evaluation is. This resource does into depth to get a deeper understanding of the topic.

References.

https://testsigma.com/blog/static-testing

https://testgrid.io/blog/static-testing

From the blog CS@Worcester – Site Title by lynnnsubuga and used with permission of the author. All other rights reserved by the author.

Code Review Essentials: A Critical Tool for Development

Blog Entry:

As a student deeply involved in computer science, understanding the significance and methodologies of code review is pivotal. This week, I chose to delve into an article from freeCodeCamp, titled “Code Review: The Ultimate Guide,” which explores the intricacies of code reviews in software development. This resource is particularly relevant to our ongoing discussions in class about software quality and maintenance.

Summary of the Article:

The article comprehensively outlines what code review entails and why it is a critical practice in software development. It discusses the benefits, such as catching bugs early, improving code quality, and fostering team knowledge sharing. Moreover, it provides practical tips on how to conduct effective code reviews, emphasizing the importance of a constructive attitude and specific, actionable feedback.

Reason for Selection:

I selected this resource because, as we learn to code and develop software, understanding the peer review process is essential for professional growth and skill enhancement. This article not only complements our coursework but also offers practical advice that can be immediately applied in any coding environment.

Personal Reflection:

Reading about the detailed processes and benefits of code reviews has been enlightening. I learned that effective code reviewing goes beyond merely finding errors; it is about collaboration, learning, and improving as a team. This has changed my perspective on coding assignments and projects. Instead of viewing them as solitary tasks, I now see them as part of a broader, collaborative process.

I am particularly struck by the emphasis on the mindset and communication skills needed during code reviews. The idea that feedback should be constructive and focused on the code rather than the coder is something I plan to carry forward into my professional life. This approach not only minimizes potential conflicts but also enhances the learning environment, making it more open and conducive to improvement.

Application in Future Practice:

Going forward, I expect to apply the principles from this article in my class projects and eventually in my professional work. Understanding the dynamics of effective communication and feedback within code reviews will be crucial as I work with others on software development projects. This will help in creating more robust, error-free software and in building a supportive team environment.

It is an important skill for everyone regardless of their place in the chain of development. The principles also apply outside of the field of computer science as a successful review is a part of any team process.

From the blog CS@Worcester – Abe's Programming Blog by Abraham Passmore and used with permission of the author. All other rights reserved by the author.

Levels of Testing

What is Software Testing?

Software testing is the process of evaluating whether a program or application functions as intended. It serves as a form of quality control, aimed at identifying and rectifying any discrepancies or errors before production use. For instance, in the scenario of a budget-tracking app, testers would verify the accuracy of data input, functionality of buttons, and ease of navigation, among other aspects, to ensure a seamless user experience.

Levels of Testing

Testing levels, also referred to as levels of testing, encompass distinct phases or stages of assessing software throughout its development cycle. These levels target specific aspects of functionality, contributing to enhanced quality assurance and reduced defects. The primary testing levels include:

  1. Unit Testing: This level involves testing individual components, such as methods and functions, in isolation to ensure their correctness and functionality. Automated unit testing is often recommended, allowing for efficient evaluation of code behavior. Unit testing is crucial for identifying bugs at an early stage of development, as it allows developers to test each component independently. By writing automated tests that cover various scenarios, developers can ensure that their code performs as expected.
  2. Integration Testing: Integration testing assesses the interaction and integration between various units or modules within the software. It aims to detect any issues arising from coding errors or integration conflicts, facilitating seamless collaboration between components.During integration testing, developers test how different modules work together to ensure that they function properly as a whole. This ensures that any errors or inconsistencies between modules are detected and addressed before moving to the next stage of development.
  3. System Testing: System testing evaluates the integrated system as a whole, verifying its compliance with specified business requirements. Automation tools can be leveraged to streamline system testing processes, ensuring comprehensive assessment of functional and non-functional aspects.System testing focuses on evaluating the entire software system against the defined requirements and specifications. It includes testing functionalities, performance, security, and compatibility to ensure that the software meets the desired standards.
  4. Acceptance Testing: Acceptance testing focuses on validating the system’s functionality and performance against user-defined criteria. It encompasses aspects such as usability, security, compatibility, and reliability, either through manual evaluation or automation tools.Acceptance testing involves end-users or stakeholders testing the software to ensure that it meets their expectations and requirements. This stage ensures that the software is ready for deployment and use in a real-world environment.

Software Testing Sequence

A structured testing sequence is essential for thorough evaluation of software functionality. This sequence comprises four main stages:

  1. Unit Testing: Testing individual components to ensure functionality.
  2. Integration Testing: Evaluating interactions between integrated units.
  3. System Testing: Assessing the integrated system as a whole.
  4. Acceptance Testing: Validating the system against user-defined criteria.

Conclusion

Software testing is a critical process in the software development lifecycle. It serves as a safeguard against defects and ensures that software meets user expectations and business requirements. Skipping or neglecting testing can have detrimental consequences, undermining the utility and effectiveness of the software.

From the blog CS@Worcester – CS: Start to Finish by mrjfatal and used with permission of the author. All other rights reserved by the author.

Is Software Testing Gradually Dying?

Hello everyone,

Today I want to discuss here about a career in software testing. If we want to find a job in software testing in the future, then the following questions are what we need to consider: Is software testing dying? Will it eventually be replaced by AI? Is a testing team necessary in the company?

Here is a video I want to share with you. The author of the video, as a professional who has been engaged in the software testing industry for more than 10 years, answers the question about the future of this job.

Link:https://www.youtube.com/watch?v=0bSnud-RakA

Is Software Testing Gradually Dying? Future Scope of Software Testing

by Software Testing Mentor

First, he told us the answer is no, software testing will not disappear. He also detailed the reasons and concerns of some people who are about to enter this industry in the video. For example: Can testing work be left to the development team? Can software testing be performed by AI instead of humans?

He mentioned that nowadays, some companies have indeed removed their testing teams and handed over the testing work to the development team. This seems feasible, but it raises an important question, which is the mentality and logic of the development team. The job of the development team is to write the program and run it successfully, but the logic and mentality of testing work are different from development. This kind of logical switching will be a huge challenge for the development team and will greatly increase their workload, and the effect will not be very good. So it is not feasible for the development team to take care of the testing work.

Then there is the issue about AI that everyone is concerned about. We all know that AI technology is developing rapidly these days. I have always believed that the development of AI is positive and beneficial to us humans. It can help us humans complete some daily tasks, but if we want to completely replace humans, it may be possible in the future, but it is still not possible now. The author mentioned that today’s AI technology can only complete the analysis of a fragment, and it cannot associate the inspection and trial and error of all codes. Moreover, AI cannot yet achieve human logic. All current AI technologies cannot replace the work of software testing.

Finally, he also mentioned that although software testing technology has been innovating, the methods and logic have never changed. A good testing team can be necessary for the company, product, or customers.

From the blog CS@Worcester – Ty-Blog by Tianyuan Wang and used with permission of the author. All other rights reserved by the author.

Week 14

Considering this week we only had one day of class it’s good to reinforce the ideas we learned to spread out in separate classes. I was in a search this week for an article that went into depth about software technical reviews. Software technical reviews are very important; understanding the fundamentals is a key component in the field. 

The main function of a software technical review is to examine a document either in a group or alone and find errors or any defects inside the code. This is done to verify various documents to find if they reach specifications, system design, test plans, and test cases. An important thing to consider is this is a step to make sure the client gets clarity of the project and stays informed on how it’s going. In addition, finalize any changes to reach the requirements before being released to the market. This allows for improved productivity, makes the testing process cost-effective, fewer defects to be found outside the team, and reduces the time it will take to create a technically sound document. The main three types of software reviews include software peer review, software management review, and software audit reviews. The process of software review is simple if you are informed of the implementations taking place. First is the entry evaluation which is just a standard checklist to know the basis for the review. Without a checklist, you will be pulling on strings to find what is wrong with the code or what it’s missing. Then comes Management preparation ensures that your review will have all the required resources like staff, time, and materials. Next is review planning where you create an objective that comes from the team. You then move on to preparation where the reviewers are held responsible for doing their specific task. Lastly, examination and exit evaluation where the group meets up and is discussed to make the team on the same page and verify any discoveries.

Reading this article allowed me to see other steps that are taken to do a software technical review. If we as a team were able to create an objective of what to search for inside the code last week it would have been more goal-oriented instead of randomly searching for faults in the code. As a team, it would have been great to have a more organized group so then when we come together we have an understanding of what we should all find. I would like to see how it would work trying to explain to someone who doesn’t code what has been done and show them that their money is being placed in the right place. Other than that this is a great way to reduce time and be in unison with your team.   

https://medium.com/@vyashj09/software-technical-reviews-in-software-testing-what-is-software-technical-review-321462039f4f#:~:text=A%20software%20technical%20review%20is,an%20object%20in%20the%20software.

From the blog cs-wsu – DCO by dcastillo360 and used with permission of the author. All other rights reserved by the author.