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Bug Report: 7 Steps to the Perfect Testing Document

Bug Report: 7 Steps to the Perfect Testing Document

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A bug report, also known as a defect report, is an important document for testers and QA engineers. It contains a detailed description of the detected errors in an application or software, enabling developers to fix them quickly and effectively. A properly written bug report includes information about the type of error, the conditions under which it occurred, steps for reproducing, and the expected and actual results. This approach significantly speeds up the testing process and improves the quality of the final product, making bug reports an indispensable tool in the software development process.

Example of the bug report interface

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In this article, we will analyze all the key aspects of bug reports, including their structure, purpose, and importance in the software testing process. Bug reports play a critical role in ensuring product quality, allowing development and testing teams to effectively identify, document, and resolve errors. We will discuss how to properly compose bug reports so that they are as informative and useful as possible. We will also consider best practices that will help improve the testing process and increase the quality of the final product.

QA Expert: Fedor Zvolinsky

Fedor Zvolinsky, a quality expert with experience in one of the leading Russian companies and at Skillbox, shares valuable knowledge and recommendations for creating high-quality bug reports. Effective bug reports are a key element in the software testing process, as they help quickly and accurately capture errors. Properly formatted bug reports contribute to their faster elimination and improve the quality of the final product. Fedor emphasizes the importance of clarity, completeness, and structure of information in such reports, which allows development teams to promptly respond to identified problems.

Contents

  • What is a bug and a bug report
  • Variety of defects in software
  • Methods for assessing the severity of a bug and the priority of its fix
  • Bug report life cycle
  • Rules for formatting a bug report
  • Examples of bug reports from practice
  • Key rules for writing an effective bug report

Follow our updates to learn more about how to improve the quality of your software through effective error documentation. Properly documenting bugs not only facilitates faster fixes but also helps development teams better understand the problems that arise during development. This, in turn, improves overall productivity and the quality of the final product. Get up-to-date tips and tricks to optimize your development process and ensure high standards for your software.

Defining a Bug and a Bug Report

A bug is an error that occurs during the operation of software or applications. For example, when a user adds an item to a shopping cart in an online store and attempts to complete the checkout process, they expect the system to function flawlessly. If the item doesn't appear in the cart or the checkout button is inactive, this indicates a bug that causes a discrepancy between the user's expectations and the actual behavior of the application. Fixing such bugs is critical to ensuring user experience and customer satisfaction, as well as maintaining a company's reputation.

Bug is a slang term used in the information technology industry. In official terminology, there are a number of related concepts, such as error, defect, and malfunction. These terms describe different aspects of software problems. Understanding these terms is important for development and testing professionals. Correct interpretation and use of these concepts contributes to more effective problem identification and resolution, which ultimately improves the quality of software products.

  • An error is an action by a developer that leads to a result that differs from the intended one. For example, if they wrote incorrect code.
  • A defect is a flaw in the code that was incorrectly implemented by the developer. When code with such a defect is executed, the software may crash.
  • A crash is the result of executing code with a defect that leads to undesirable consequences.

In this article, we analyze the concepts of crash and defect, united by the general term "bug." More precise and detailed definitions of these terms can be found in the official documentation.

Testers and QA engineers play a key role in the software development process, finding and fixing bugs at all stages. Their work begins in the early stages of development and continues until the final release, when the application becomes available to end users. This ensures high product quality and improves the user experience, minimizing the likelihood of errors occurring after launch. Effective testing helps identify problems early, saving time and resources and increasing user confidence in the app.

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Alpha and beta versions are stages of software development that help test and improve the product before its final release. The alpha version is the initial stage, during which the program still contains many bugs and imperfections. It is intended for internal testing by developers and a limited group of users. At this stage, feedback and performance data are collected, allowing for the identification of key issues and the implementation of necessary changes.

The beta version follows the alpha version and is intended for a wider range of testers. Unlike the alpha version, the beta version has already fixed many bugs, but the program may still contain flaws. Beta testing allows for feedback from real users, which helps developers optimize functionality and the user interface.

Both stages are critical to creating high-quality software, helping to minimize risks and increase user satisfaction. Alpha and beta testing facilitate a smoother transition to the final version of a product, which ultimately impacts its success in the market.

When a specialist identifies a bug, it is important to promptly notify the developers of the issue. Some teams use specialized defect tracking tools, while others may simply send a message via messenger. However, for effective communication and rapid problem resolution, it is recommended to use a standard defect reporting format—a bug report. This approach helps organize information, facilitates understanding of the problem, and speeds up the bug-fixing process. A properly written bug report contributes to product quality and increases overall team efficiency.

A bug report is a document containing comprehensive information about a discovered software defect. It includes a description of the problem, step-by-step instructions for reproducing the error, and an assessment of the defect's severity. Other important details may also be included, depending on the standards established by the testing team. A well-written bug report helps developers quickly understand and fix the problem, improving the quality of the software product and speeding up the testing process.

Types of Software Bugs

During software testing, bugs can be classified according to various criteria, such as where they were discovered and when they occurred. The main categories include functional and non-functional defects. Functional defects relate to the incorrect execution of system functions, while non-functional defects concern aspects unrelated to functionality, such as performance, security, and usability. Effective bug classification helps improve the testing process and increase software quality.

Functional bugs occur when an application or website does not perform its tasks properly. An example of such an error is a situation where, when you click the "Save" button in an online editor, the text is not saved. This is a common functional defect that negatively impacts user experience and can lead to data loss. Properly diagnosing and resolving functional errors are important aspects of software development and testing, as they directly impact the reliability and performance of an application or website. Ensuring that all functions function correctly is a key element of a successful user experience.

Logical errors are a subcategory of functional errors in software. These errors manifest as incorrect logical relationships and can lead to incorrect program behavior. For example, a month selection form for a date of birth may allow a value greater than 12, or a user may be allowed to enter an email address without the «@» character during registration. Correcting such errors is critical to ensuring the correct operation of the application and improving the user experience.

Non-functional errors do not directly impact the functionality of the software, but can significantly reduce its performance and usability. These errors include: insufficient loading speed, interface problems, low system responsiveness, lack of necessary features for comfortable interaction, and other aspects affecting the user experience. It is important to take these errors into account when developing and testing software to ensure its high efficiency and user satisfaction.

  • {‘text’: ‘UI errors: problems with the visual display of interface elements, such as button sizes and colors that do not match the original design or distorted images.’}
  • {‘text’: ‘UX defects: situations when navigation on a site or in an application is difficult. For example, a user might encounter a confusing menu, requiring them to switch tabs several times to find the information they need.’}
  • {‘text’: ‘Performance Issues: Applications must cope with increased load, especially during peak traffic. For example, if an online store can't handle the load during a sale and the server freezes, this could be considered a performance bug.’}
  • {‘text’: ‘Portability and cross-platform bugs: It is important that applications run stably across different operating systems and browsers.’}
  • {‘text’: ‘Security flaws: Vulnerabilities that could lead to the leakage of users' personal information, such as the transmission of bank card data over insecure protocols.’}

For an in-depth analysis of the types of errors and their impact on user experience, it is advisable to study resources such as Software Testing Help and Guru99. These platforms offer extensive software testing information that can help you better understand how bugs can negatively impact user experience. Proper testing and bug fixing are key to improving user experience and customer satisfaction.

Defect Classification: Severity and Priority

In software development, it is important to consider two main aspects of defects: severity and priority. These characteristics allow you to assess the criticality of a particular bug and determine the speed of its fix. Although modern methodologies often combine these parameters into a single concept—priority—understanding their differences remains important, especially when creating technical documentation. Clearly distinguishing between severity and priority helps teams more effectively manage the testing and bug fixing process, ensuring a higher quality final product.

There are several severity levels for bugs that help development teams assess their potential impact on users. These classification levels enable effective management of the bug fixing process and prioritization of tasks. Understanding the severity of bugs contributes to improved product quality and increased user satisfaction. Proper assessment and resolution of bugs helps avoid negative consequences for the company's reputation and ensures the smooth functioning of the software.

  • Trivial: Bugs that do not affect the functionality of the software, such as typos or poor placement of interface elements.
  • Minor: Defects that are not noticeable to users and do not affect core functionality, such as a poorly placed button that hinders navigation.
  • Major: The user notices the problem, but it does not block the use of the application. For example, a page is unavailable from the main menu, but can be accessed from other sections.
  • Critical: The functionality of an important part of the application is limited, but use of the software is possible. For example, you can't select a date during registration, but registration still takes place.
  • Blocker: The program does not work at all, for example, a 404 error on a website or an application that does not open.

The severity level of a defect is determined not only by its impact on the functionality of the system, but also by the number of users experiencing this problem. If an error affects only one user, it should not be classified as critical or blocking. It is important to analyze the scope of the problem in order to correctly assess its priority and determine the necessary actions for its resolution. A systematic approach to defect assessment helps to solve problems more effectively and improve product quality.

Defect priority is an important metric that determines the speed of resolution of identified problems in a project. This decision is typically made by the project manager or product owner, based on an assessment of potential risks. These risks include potential financial losses and the likelihood of users defecting to competitors. Prioritizing defects helps manage resources effectively and minimize negative impact on the business. Correctly assessing priorities ensures the timely fixing of critical errors and maintains user satisfaction.

  • Low priority: The problem does not affect functionality and can be fixed last.
  • Medium priority: The bug should be included in the fix plan, but without rushing.
  • High priority: The bug requires immediate fixing because the application or system is not working.

Incorrect prioritization can lead to serious losses for the project, so it is important to carefully analyze each case. For more detailed information on bug prioritization methods, we recommend studying materials on resources such as Atlassian and Scrum.org. These platforms offer valuable recommendations and best practices that will help improve project management and increase team efficiency.

Stages of the Bug Life Cycle: From Discovery to Closure

Effective bug management is an important aspect of the software development process. Testing and development teams use modern project management systems, including Jira, YouTrack, Trac, and Yandex Tracker, to thoroughly document all stages of working with defects. Using these tools not only allows for bug tracking but also optimizes the process of their resolution, ensuring a higher quality of the final product. Proper bug management improves collaboration between teams and increases overall development productivity.

Bug monitoring is a key element of the software development process, and bug status plays an important role in managing this process. Status helps the team clearly understand what actions are needed at each stage of working with bugs. While the number of statuses may vary depending on the company, there are four main statuses that are widely used in the industry. These statuses ensure effective bug tracking and management, which ultimately contributes to improved product quality and increased user satisfaction.

Bug handling statuses in software testing have clear meanings and importance.

The Open status means that the tester has identified a bug and registered it in the system according to established standards. This is the first step to improving product quality.

The In Progress status indicates that the developer has received information about the defect and has started fixing it. This stage is critical for a quick response to identified issues.

When the developer completes work on the bug, the status changes to Fixed. This means that the product is ready for re-testing, and the tester can verify that the problem has actually been fixed.

If the status remains Closed after verification, this confirms that the bug has been fixed. Otherwise, if the problem persists, the task is returned to the developer for re-work.

Effective bug status management contributes to higher software quality and a better testing process.

Infographics: Maya Malgina for Skillbox Media

When filing a bug report, it is important not only to indicate its status, but also provide a developer response (resolution). The response may include the following options:

Later — this means that work on the bug has been postponed until a later date due to a change in project priorities.

Incorrect / Cannot reproduce — used in cases where the bug report is incorrectly formatted, for example, if steps for reproducing the error are missing.

Correctly indicating the status and the developer's response helps improve the testing process and increase the quality of the software.

Effective bug management speeds up the development process and improves the quality of the final product. Using project management systems helps teams stay organized and track progress in real time. This not only improves communication within the team but also promotes faster bug identification and resolution, which in turn leads to more successful projects. Setting up automated monitoring and testing also plays an important role in minimizing the number of bugs, which further optimizes the workflow.

An Effective Bug Report Structure

Each company creates its own unique structure for submitting bug reports, but most templates include several key elements that make the process more organized and efficient. A properly formatted bug report allows teams to identify and resolve errors faster, which in turn improves product quality. The key elements that should be included in every bug report include a description of the problem, steps for reproducing, expected and actual results, and information about the environment in which the error was found. Including these elements promotes clarity and improves communication between developers and testers, ensuring faster and higher-quality bug resolution.

A bug report is typically created by a tester or QA engineer. If a developer discovers an error, they can either file a bug report themselves or forward the information to the testing department for further analysis and a detailed description of the problem. A well-written bug report helps speed up the process of identifying and fixing bugs, improving the quality of the final product. It is important that bug reports are clear, contain all the necessary details, and be easily understood by the development team.

How to Write a Bug Report

In this article, we will discuss how to format a high-quality bug report. Using a ready-made template will effectively structure the information and make the report more understandable for the development team. A good bug report includes a description of the problem, steps for reproducing, expected and actual results, as well as information about the environment in which the error was discovered. This significantly facilitates the troubleshooting process and increases productivity.

In modern issue tracking systems such as Jira and Yandex Tracker, bug reports are generated based on key parameters, ensuring their clarity and convenience for the development team. Properly formatted bug reports speed up the process of identifying and fixing errors, which in turn improves overall project efficiency. When creating a bug report, it's important to consider aspects such as the problem description, steps for reproducing it, expected and actual results, as well as the priority and status of the issue. This significantly simplifies the interaction between team members and facilitates faster problem solving.

Example of a bug report in Yandex Tracker / Skillbox Media

Efficient bug report writing: Key Steps

Filing a bug report may seem like a routine task for testers and QA engineers, but its importance cannot be overstated. Ignoring these documents leads to the accumulation of unresolved issues, which negatively impacts team productivity. Properly formatted bug reports facilitate more effective problem identification and resolution, improving the quality of the final product. Clear and detailed reports help developers quickly understand the problem and find a solution, which, in turn, optimizes the workflow and improves team collaboration. Drawing attention to the importance of bug reports can significantly improve the quality of the final product and user satisfaction.

To prevent unwanted consequences, it is necessary to adhere to certain standards when formatting bug reports. This not only makes the work of developers easier but also speeds up the process of resolving identified issues. Properly formatted bug reports help identify and resolve errors faster, which ultimately improves product quality and increases user satisfaction.

The first and most important step in the defect-fixing process is a thorough problem description. Avoid brief and vague statements. Imagine that the developer working on your bug is unfamiliar with your application. A clear and detailed explanation of the problem, including the sequence of actions that led to its occurrence, is a prerequisite for effective resolution. The more descriptive your description, the faster the developer will understand the essence of the problem and find a solution.

Follow the company's established bug report template. The accepted format has already proven itself well within the team, and any changes can lead to misunderstandings. If you have suggestions for updating the template, discuss them with your supervisor or manager. This will ensure clarity and consistency in the error handling process, which in turn will improve the efficiency of the entire team.

Isolate issues and their reproduction methods. If you are unable to reproduce an error, be sure to mention this in the report. Before describing the problem, reproduce it several times under different conditions. This approach will significantly simplify the process of identifying and fixing the source of the error. An accurate and detailed description of the problem, including information about the environment in which it occurred, will help speed up its resolution and improve the quality of the final product.

Attach useful materials to better understand the problems. For visual errors, use screenshots, for issues that arise during production, use screencasts, and for API-related questions, provide relevant logs. This additional data will significantly speed up the process of diagnosing and resolving the problem for developers.

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We recommend checking out these additional resources:

  • The Tester Profession: Where to Start a Career in Testing
  • Frequently Asked Interview Questions for Testers
  • The 15 Best Books on Software Testing

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