Test Case: What It Is in Testing, How to Write One Correctly — A Guide with Examples

Contents:

• What is a test case and what does it consist of?
• How to prepare for writing a test case
• Where to complete your first test case?

A software tester is required to carefully document each stage of the testing process. When joining a large company, a newcomer usually gets access to already established processes, including instructions, test case templates, and a database of ready-made tests. In such an environment, it's sufficient to adhere to established rules and, when necessary, seek support from experienced colleagues. This ensures high-quality testing and speeds up the onboarding process for new employees.

In some cases, the situation may be different: the company is small, and the team is in the process of developing or launching a new product. In such cases, ready-made templates may not be available, and the tester must independently develop a structure and create test cases from scratch. In this situation, it is important to follow several key steps. First, it is necessary to analyze the product requirements to understand its functionality and capabilities. Second, it is worth focusing on identifying key use cases and potential risks. This will help structure test cases and make them more effective. It is also useful to start by creating a testing matrix, which will allow you to track test coverage of all product aspects. Finally, it is important to organize the testing process and provide feedback to the development team to continuously improve test documentation. This approach will help create high-quality test cases and increase the likelihood of a successful product launch.

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• What is a test case and what does it consist of?
• How to prepare for writing a test case?
• Where to submit your first test case?

What is a test case and what does it consist of?

A test case is a detailed instruction for checking the functionality of software or its individual components. It is analogous to a recipe for a cook or an itinerary for a tourist. In test cases, the tester clearly describes what exactly is to be tested, under what conditions testing is carried out, what steps need to be performed, and what the expected result is. Properly written test cases help systematize the testing process, increase its efficiency, and ensure the high-quality functioning of the software product.

In different companies, requirements for the design of test cases may vary depending on the specifics of the project. However, the generally accepted structure of test cases usually includes the following elements: test title, description, steps to perform, expected result, and actual result. Properly formatted test cases improve the quality of testing, facilitate communication between team members, and contribute to more effective management of the development process. Given the importance of test cases for ensuring software reliability, it is worth paying attention to their clear and understandable structure.

• Title - a short formulation that should reflect the essence and purpose of the test case. Other testers should immediately understand from the title what exactly is being tested. For example: "Checking the character limit in the comment field" or "Filtering products by price from minimum to maximum."
• Preconditions - here you describe the preparatory actions that need to be performed before the test. For example, you may need an account with certain access rights, special data for input, or a special system state.
• Steps - these are sequential short actions that the tester must perform during the testing process: "1. "Go to the website's main page", "2. Select a product from the catalog", "3. Click the 'Add to cart' button", "4. Proceed to cart", and so on. The steps should be simple and clear so that anyone can repeat them.
• The expected result is a precise description of what should happen after completing all the test case steps. Here are some options: "The user logs in and gets to their personal account", "The system correctly displays the message about saving data", "The button becomes inactive after double-clicking", and so on.
• Status - here you mark the test result. You can indicate that the test has passed, failed, blocked, skipped, or not yet completed. The status helps track the testing progress.

Test cases are widely used in large companies and projects with high requirements for accuracy and documentation, such as the development of medical equipment or banking applications. They provide a structured approach to testing, allowing you to detail every aspect of functionality. At the same time, in many cases, testers prefer to use checklists. This format provides a high-level overview of the required checks and is suitable for testing simple functionality. Checklists are especially effective in small teams, where a single tester may not have time to create complete test cases. The choice between test cases and checklists depends on the complexity of the project and the team's resources, allowing the testing process to be tailored to specific requirements.

While executing a test case or checklist, a tester may discover bugs in the software. In this case, they create a separate document known as a bug report. The bug report describes in detail which functionality is not working and the steps needed to reproduce the error. For a deeper understanding of the bug reporting process and its importance in software testing, we recommend reading our dedicated article.

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Bug Report: What It Is and How to Write It Correctly

A bug report is a document that contains information about errors or malfunctions found in software. Properly written bug reports allow developers to quickly identify and fix problems, improving the quality of the product.

The main elements of a bug report include:

1. A title that briefly describes the problem.
2. A description that explains in detail what exactly is not working.
3. Reproducing steps that help reproduce the problem.
4. Expected output, so that the developer understands how the application should work.
5. Actual output, which shows exactly what happened.
6. Information about the environment in which the error was discovered, including the software version and operating system.

To write a high-quality bug report, you need to be as precise and specific as possible. The more details you provide, the faster the team can resolve the issue. A properly formatted bug report speeds up the development process and helps create more reliable software.

How to Prepare to Write a Test Case

Formulating a test case is not difficult, and in the next section we will look at how to do it. The main difficulty lies in collecting the necessary requirements, planning the testing process, and describing all the steps in detail. Properly formatting test cases is a key element of successful software testing, as it helps ensure complete functionality coverage and identify potential defects in the early stages of development.

Gathering requirements is an important stage of development, which begins with understanding the target audience and the problems the system must solve. To do this, it's helpful to request project documentation, gain access to a beta version, or discuss details with a manager and developer. For example, if we're talking about a mobile app for an online store, it's important to identify required features such as catalog browsing, ordering, review management, and others. This will help create an effective solution that meets user expectations and market demands.

After collecting requirements, you should have a clear idea of ​​what needs to be included in test cases. It's recommended to start by preparing a checklist and discussing it with a manager or developer. This precaution will ensure you haven't missed any key testing aspects. A checklist will help systematize the testing process and improve the quality of the final product.

Test planning is an important stage in product development. There are several types of tests, each designed to test different aspects of the product. The main categories include positive, negative, and destructive tests. Positive tests confirm that the product functions as intended, negative tests help identify how the product behaves under conditions of invalid data, and destructive tests test its limits. The choice of testing type should be based on the goals and objectives defined in the project requirements. Effective testing allows you to identify weaknesses early and improve the quality of the product before it is released to users.

When testing the login form, it is important to consider different test types. A positive test case verifies correct login with the correct username and password. A negative test case evaluates the system's response to entering an incorrect password or a non-existent username. A destructive test case analyzes the system's behavior when entering an excessively long character string, attempting SQL injections into the login field, or other non-standard actions. This approach helps identify vulnerabilities and improve system security, ensuring the reliable operation of the login form.

After collecting requirements, it may be necessary to create not just one, but a whole suite of tests. For example, to fully test the search function, you may need separate test cases for different scenarios: searching by exact product name, searching by SKU, searching by product category, and other options. This approach will ensure more detailed and high-quality testing, which in turn will improve the reliability and functionality of your product.

Describe the steps. In test cases, steps should be atomic and numbered. Atomicity means that each step should reflect one specific action. Numbering steps is important to simplify the process of filing bug reports or adding comments when errors are discovered. This allows for more efficient testing and facilitates collaboration between team members.

If you have a small or non-urgent task, you can manually describe all the steps. For example, if you need to check that a product displays correctly in the shopping cart after adding it, simply go through all the steps in your mind and record each action in a test case. This approach helps ensure testing accuracy and identify potential errors early.

For urgent and large-scale tasks, using a neural network is effective. First, formulate a prompt that clearly describes your task, and then make the necessary adjustments to the resulting draft. Here is an example request that can serve as the basis for your request to the neural network:

You have significant experience in software testing. As a QA engineer, you ensure the quality of products by identifying and fixing errors at various stages of development. Your skills include creating test scenarios, automating tests, and analyzing results, which helps improve the reliability and functionality of software solutions. You constantly improve your knowledge of testing methods and new tools to effectively complete tasks and maintain high quality standards. Your experience and attention to detail help teams achieve their goals and release competitive products.

To effectively write a test case, follow these steps. First, define the purpose of the test. This will help you focus on the main aspects of the test. Then, write a clear and understandable title for the test that reflects its essence. After that, formulate the prerequisites and conditions necessary for running the test so that other team members can easily recreate the environment.

Next, describe the steps to be followed. Each step should be concise and clear to avoid misunderstandings. Specify the expected result for each action so that it can be easily verified. Don't forget to also define the actual result that will be obtained after running the test.

Finally, review the test case for errors and make sure it meets your team's standards. This will ensure its high quality and help avoid problems in the future. Using such clear and consistent steps in test case creation will significantly increase testing efficiency and improve product quality.

Each test case step should include one specific, clearly verifiable action. This eliminates ambiguities and simplifies the testing process. Properly worded steps promote more effective error detection and improve software quality. Following this principle helps ensure transparency and understandability of test scenarios, which is crucial for successful product development and testing.

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Prompts for neural networks: how to effectively formulate queries to ChatGPT and other neural networks

Correct Formulating queries for neural networks like ChatGPT is key to obtaining high-quality and relevant answers. To get the best results, there are several important aspects to consider. Start with a clear and specific question or task. Avoid vague wording so the neural network can understand exactly what you are looking for.

When writing prompts, try to be brief but informative. Include context if it is relevant to your request. For example, specify what information you want or in what format. This will help the neural network better tailor the response to your needs.

It is also useful to experiment with different sentence styles and constructions. Neural networks can respond differently to different wording, and sometimes small changes can significantly improve results. Don't be afraid to ask clarifying questions or rephrase your request if the first answer doesn't satisfy you.

Also, it is important to keep in mind the target audience and the context in which the information you receive will be used. Consider who the answer is intended for and what requirements must be met. This will help you get more accurate and useful results.

By following these recommendations, you can significantly improve the efficiency of interaction with neural networks, such as ChatGPT, and receive higher-quality and more useful answers.

Where to create your first test case

You can create test cases in any software that supports working with spreadsheets. Google Docs or Excel are excellent choices, as they provide a user-friendly interface and the ability to structure information. Using tables to write test cases promotes better data organization and simplifies the testing process.

We present a basic, minimalist template for working in Google Docs. This template is ideal for creating various text documents, allowing you to focus on the content without unnecessary distractions. It provides a convenient format that helps organize information and increase productivity. With this template, you can easily create notes, reports, or articles while maintaining clean and clear text. Optimized for use in Google Docs, this template is a great tool for anyone who values ​​simplicity and efficiency in writing.

This is an advanced version with additional columns for Excel, which enables deeper data analysis and improves table functionality. Using additional columns allows you to organize information more efficiently, significantly simplifying your work with data. This format is suitable for users who require advanced capabilities for processing and visualizing information in Excel.

Test cases can be simplified by formatting them as a large list. This allows you to conveniently number the steps and immediately indicate the expected or actual result. An example of such a structure might look like this:

Test Name: Authorization via email with correct data

This test is designed to check the process of user authorization on the platform using an email address. The main focus is on the validation of the entered data and successful login.

The test includes the following steps: entering a valid email address and password, checking the system for errors, and confirming successful access to the user's personal account. It is important to ensure that the system properly processes the entered data and grants access only to valid accounts.

Effective verification of authorization via email with valid data ensures the security and reliability of user access, which is a key aspect for all online services.

Prerequisites for successful completion of the task include a clear understanding of the project goals and requirements. It is necessary to analyze the current situation and identify the key factors influencing the outcome. It is also important to ensure access to the necessary resources and information to minimize risks and improve work efficiency. Discussing expectations with the team and stakeholders will help create a shared vision and align actions. Preparing the infrastructure and tools, as well as creating a clear action plan, will help ensure a smooth task completion process.

• The user is registered in the system.
• The correct email and password for the user are known.
• The browser is open and there is a stable internet connection.

Of course, I will help you revise the text. Please provide the source text you want to edit.

• Go to the website https://myapp.ru 1. The main page of the website opens.
• Click the "Login" button in the top menu. 2. The authorization form is displayed.
• Enter the correct email test@mail.ru in the Email field. 3. The field accepted the entered value and did not show an error.
• Enter the password P@ssw0rd123 in the "Password" field. 4. The password is entered correctly and is displayed as asterisks.
• Click the "Login" button. 5. The user is redirected to their personal account. The greeting "Hello, User" is displayed in the upper right corner.

The user successfully logs into the system via email and is redirected to their personal account.

Testing completed successfully. Status: passed.

Software testers often use specialized tools known as test management systems (TMS). These programs allow you to effectively store and manage large volumes of test scripts, organize test cases by project, develop test plans, and automatically generate test results reports. Using a TMS significantly simplifies the testing process, makes it more structured, and helps improve software quality.

Test management systems come in a wide variety, but they all have similar functional features. The main differences lie in the interface and additional tools. For your first acquaintance with such systems, you can choose any of them at your discretion. In this article, we will look at the Russian service Test IT, which offers the opportunity to manage one personal project for free. This tool is ideal for those who want to learn the basics of testing and test management.

After completing registration, you will have access to the "Test Library." To create a new test, click the "Create" button and select the "Test Case" option.

You will be redirected to a page with a template to fill out data, which is almost identical in structure to our table in Google Docs.

Test IT has the ability to describe each precondition in detail, including not only actions, but also expected results. The platform also allows you to document postconditions that should be met after the test is completed, as well as add parameters—alternative data—for more in-depth testing. In addition, you can attach links, add files, and reference related automated tests, which significantly improves the testing and project management process.

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