A Comprehensive Guide to Software Testing Methodologies

13Mar, 2024

The software testing process plays a backbone role in the development lifecycle of software. The software testing methodologies cover necessary testing strategies that an organization implements to develop the structure. It involves an array of approaches to ensure that the application under testing is well-functioning.

It is necessary to verify the security, usability, accessibility, and performance of any application. This procedure detects the area which requires more work before releasing the application. The following blog focuses on the software testing life cycle, different software testing methodologies & the best practices to follow.

What Are Software Testing Methodologies?

Software testing is referred to as the procedure of verifying whether the software is perfectly designed or not. The software component is tested to ensure that it satisfies all the specific requirements. By integrating the testing procedures, an organization can detect the errors and bugs present. No one wants to launch software/applications that have lots of bugs and malfunctions. This is what are software testing methodologies you must know about before testing software/applications!

Quality assurance teams are experts in mitigating risks, detecting software-related issues, system analysis, and prevention of risks. By opting for Quality Assurance testing services, businesses can conduct manual & automation testing. The team crafts & executes the test cases, and after that, they send the reports also.

The Software Testing Life Cycle (STLC)

Testers can adhere to a set of procedures known as the Software Testing Life Cycle (STLC) to produce an application that is free of errors and meets user expectations. The goal of the STLC is to achieve software quality criteria systematically. Although it has a similar sound to the Software Development Lifecycle, the idea is very different. STLC aims to design meaningful tests that ensure the software application quality and also accelerate customer satisfaction & business success. STLC offers a speed testing process that helps teams identify the issues as soon as possible.

Also Read: Objectives of Software Testing

What Are the Phases of the STLC?

  • Requirement Analysis

This is the first step of STLC, where the QA team deals with analyzing and understanding the testing process by gathering valuable information.
In this phase, the testing team takes care of entry and exit criteria. The testing team focuses on the necessary areas of software testing.

  • Test Planning

Once they evaluate all the user requirements, the next step is to design and test planning. In the following steps, the testing plan is described, and the team crafts a detailed strategy. The test covers the designing of test steps, assigning roles & responsibilities, and selecting the ideal testing approach & automation tools. The team also shared an estimated cost and tools to begin the testing process.

  • Test Case Development

Once the planning is done, the phase of designing & developing starts. The testing team develops the test steps for the test execution, executed output, etc.

  • Environment Setup

The following phase includes the test environment setup to run the test cases & check the app efficiency. The test involves configuration and deployment of the test environment. It also includes setting up test servers in the entry & exit criteria.

  • Test Execution

The test execution stage begins once all of the preparation and setup are finished. To verify that the application meets the highest standards, the QA team executes the scripts and test cases. To figure out which areas are problematic and require improvement, they examine the predicted and actual outcomes.

  • Test Cycle Closure

Test closure, associated with generating a summary of the test results, is the final stage of the STLC. It illustrates the distinctions between the predicted and actual outcomes of the test and provides a summary of the testing procedure. The goals of the project that were met, the duration of time needed to finish the testing, the cost, the test coverage, & the issues that were found are all compared.

To ensure the quality of software, every phase of software testing must be conducted.


Now, let’s move on to the major testing methodologies in software testing.

Major Software QA Testing Methodologies

Software testing methodologies are methodical techniques or plans utilized to make sure software programs are accurate, dependable, & of high quality. These techniques are used to locate and correct bugs, faults, and additional problems in software products. It makes sure they fulfill the criteria and work as intended. There are multiple software assessment approaches, and the selection of one is based on various aspects. Here are the types of software testing methodologies to implement-

1. Manual Testing

Software testing, which includes the use of humans manually carrying out test cases to find flaws in the software, is known as manual testing. To verify that the application works as intended and satisfies the demands, the team conducts this testing. The manual testing team can sometimes identify errors that the automation team can’t find.

2. Automated Testing

Software testing that uses dedicated software and equipment to automatically run established test cases without human involvement is known as automated testing. It entails writing automated test scripts that interact with the user interface or APIs of the software program to imitate the behaviors of a human tester. This kind of testing is perfect for regression testing and is used for detecting code-based defects. It should be done at regular intervals after the software is released.

3. Agile Testing

The agile methodologies in software testing process is a way of creating software where consumers or end users work with software teams to establish new requirements and solutions. The agile approach to software testing is much different from traditional testing. In traditional testing, the errors are expected to be evaluated at the final stage by the QA team, whereas in Agile testing, they are expected to be evaluated by the development team. In traditional testing, a single team is responsible for the quality of output, whereas in agile testing, the whole team is responsible for this.

4. Continuous Testing in DevOps

The purpose of continuous testing is to improve software quality and development efficiency. The applications are tested in each phase of the SDLC. Some certain key tools & practices need to be integrated for quality software testing.

Types of Software Testing Methodologies

Testing methodologies in software engineering is a method of running software to identify errors. To make our program function well, it must be error-free. In the next section, you will first explore the concepts of testing, followed by the various methods of testing.

  • Functional Testing

Functional testing is a sort of software testing that compares the system to its functional requirements as well as specifications. Functional testing guarantees that the application complies with the requirements or specifications. This form of testing is primarily concerned with the outcome of processing. It focuses on simulating actual system usage without making any system structural assumptions. The essay focuses on function testing.

  • Unit Testing

It is often performed by programmers and is employed to guarantee that the separate components of the program function properly. Unit tests are often automated and intended to test specific pieces of the code used, such as a function or method. Unit testing occurs at the lowest stage of the application development process when particular pieces of code are tested independently.

  • Integration Testing

Integration assessment is a way of determining how various units or elements within a software program interact with one another. It is utilized to discover and fix any problems that may develop when multiple software modules are joined.

Also Read: Deep Learn About Different Types of Manual Testing

  • System Testing

It determines if the system fits the defined standards and is appropriate for distribution to end users. This sort of testing occurs once the integration testing is done.

  • Acceptance Testing

It entails making sure the product complies with each of the initial company’s requirements while also meeting the demands of the end user.

  • Non-functional Testing

QA testing methodologies software testing verifies whether the application is consistent or not. It evaluates all areas that are not covered in functional testing. Non-functional evaluation is a type of software testing approach that examines the system’s non-functional properties. Non-functional testing, also known as software testing, is carried out to examine whether the application has non-functional features or not.

  • Performance Testing

Performance assessment is a sort of software evaluation that assesses the performance as well as scalability of an apparatus or application. The purpose of performance assessments is to detect bottlenecks, assess system performance across various loads and situations, and guarantee that the technology can manage the estimated number of people using it or transactions.

  • Usability Testing

You build a product (say, a refrigerator), and after it is finished, you require a potential buyer to use it to ensure it works properly. Potential consumers test the equipment to see whether they are market-ready. Similarly, the perfect instance of testing for usability is when the program goes through multiple testing methods conducted by prospective consumers before it is released to the market.

  • Security Testing

You develop something when it’s ready; you ask a potential buyer to test it to make sure it works correctly. Potential customers test the technology to see whether it is market-ready. Similarly, the ideal example of usability testing is when software is put through several testing techniques by potential users before being published to the market. It’s a part of SDLC.

  • Compatibility Testing

Compatibility testing is conducted on an application to ensure its compatibility (running capacity) across several platforms/environments. This testing is performed only once the application has become stable. Simply said, this compatibility test is designed to ensure that the generated software program works properly on a variety of hardware, software platforms, network browsers, and so on. Compatibility testing is critical in product development and deployment since it prevents future compatibility difficulties.

How To Choose the Right Software Testing Methodologies?

Selecting the appropriate software development testing methodologies technique is a sensitive and critical component of the overall testing process that contributes to the tests’ efficacy and the software’s excellent quality. Product testing is rarely a one-size-fits-all strategy; thus, while selecting the appropriate method, numerous criteria must be considered dependent on the product to be tested. The following represent a few of the considerations that must be considered when choosing software testing frameworks and methodologies.

What Are the Main Factors to Consider in Software Testing Frameworks and Methodologies?

1. Project Size and Complexity

A defect test is a sort of exploratory testing for software that is used to thoroughly understand the product’s landscape and to evaluate its architecture. Late-stage flaws are more difficult to identify and need extensive testing to discover, particularly when compared to other mistakes or faults within the system.

Unlike bugs, flaws are defined as errors in software that can impair its functioning, value, and usability. Bugs, on the other hand, are faults or mistakes within the software code that might cause it to fail. In addition, software engineers are more inclined to uncover faults early in the process, whereas quality testers are more likely to detect issues.

2. Team Skill Set

Software testing takes a whole distinct set of skills than software development. When testing is done by internal employees or software engineers, it’s necessary to examine how long it would take them to learn various software testing approaches and technologies.

However, for more sophisticated projects, it is advisable to hire a Certified Software Tester (CSTE), which is a qualification that typically needs a bachelor’s degree and two years of extensive hands-on software testing experience or six continuous years without a degree. Smaller teams may benefit more from transferring the software testing procedure to more competent service providers and specialists.


3. Budget and Time Constraints

The testing approach you use should be in line with the resources accessible to the project. On average, testing for software takes between three and six weeks, depending on the product’s complexity as well as the engagement and complexity of the testing approach utilized.

In terms of budget, software-building projects typically invest between 15% and 25% of overall development costs in quality testing and assurance. Similarly, this is determined by the software’s complexity and testing technique.

4. Matching Testing Methodologies with Project Needs

When there are several types of flaws, it might be difficult to choose the best technique. Knowledge about comparable faults is quite beneficial in some software testing techniques.

You can use a single approach to remedy one of the faults and then apply it to the others. Testing a prior stage of the system while contrasting it to current test levels can assist in finding the best strategy for the testing procedure.

5. Balancing Manual and Automated Testing Strategies

Finding the right equilibrium between both automated and manual testing is difficult because it is dependent on several factors, including the type, scope, extent of the system, project goals as well as requirements, budget and timeline, tester availability and skills, and quality standards and goals.
Nonetheless, certain broad rules might help you achieve that balance. Begin with manual testing to investigate the system, find test cases, and prioritize test scenarios. Second, automate the test cases that must be frequent, consistent, and crucial to system functioning and performance.

Best Practices in methodologies of software testing

Creating software QA testing methodologies procedures should go beyond just code review. It demands a comprehensive approach that is consistent with the application project’s main objectives. Here’s a way to properly set up these techniques precisely.

  • Developing a Comprehensive Testing Strategy

Testing must include a written strategy that guides all parties involved and establishes a clear path for testing. It should be thoroughly recorded to ensure clear communication.

  • Incorporating Early Testing in the Development Lifecycle

Early testing allows you to set up the test surroundings in advance. This strategy decreases the danger of short-term testing, increasing coverage and kinds of tests. Incorporating testing methodologies software across the SDLC helps foster a ‘quality culture’ and enhances development practices.

  • Ensuring Adequate Test Coverage

An application or API has numerous aspects. Ensure that your evaluations cover every dimension; otherwise, you risk missing problems and defects. Do not focus just on utility. UI/UX, performance, and security challenges are some of the characteristics that can have a significant influence on your business. Ensure that they are tested.

  • Continuous Learning and Adaptation

Recognize that testing is a continuous, iterative process, not a one-time exercise. New features or functions can have a significant influence on the overall system, needing constant validation. By implementing continuous testing, you can improve product quality and ensure customer happiness.

Step Up Your Testing Game: Embrace Agile Methodologies Today!

In the following guide, we have mentioned the concept of testing methodologies where businesses can assess the errors, foster performance, and accelerate the user experience. If you want to follow the agile methodologies to release your software, then meet with the best software testing company. You should select the ideal QA team that aligns you with the end-user needs and your budget. Consult with them for a more detailed view of Agile Methodologies.

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About The Author
Digital Marketer at KiwiQA: Software Testing Service Provider Company Worldwide.

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