Software Testing Methodologies to Watch Out

Software Testing Methodologies to Watch Out in 2021

Author image By Manish Patel  |  Wednesday, October 21, 2020 02:14 PM  |  5 min read

Software Testing Methodologies to Watch Out in 2020

The testing process is an essential part of any Software Testing Company. A robust software product can deliver using standard testing methodologies which help to predict the timeline of the software system. The software can turn even more complicated with many devices and platforms. It’s required to ensure that they meet specific needs which installed and operated on the user’s machine.

What are the Software Testing Methodologies?

Software Testing Methodology defines strategy and testing types with meeting client expectations. The methods include functional and non-functional testing.

Few examples are unit testing, system testing, integration testing, performance testing, etc. The testing methodology defines the test objective, deliverable, and test strategy.

Methodologies are considered a set of testing mechanisms used in the software development lifecycle. Choose an appropriate testing methodology that can view as a core of the testing process. Let’s dive on to understand the testing techniques.

Testing Techniques

Testing Techniques

Three testing methodologies use testing.

  • White Box Testing
  • Black Box Testing
  • Grey Box Testing

We’ll study each in brief for a better understanding of the methodologies.

1. White Box Testing

It’s a technique that examines the program structure and builds business logic. The code validates the program of an application, so it’s called exact box testing or open box testing. The technique includes- statement coverage, path coverage, and branch coverage.

2. Black Box Testing

It is mainly used to test the functionalities of an application based on the requirements needed. Same as white box testing, it does not focus on the internal structure of the application. The technique adds- decision tables, domain tests, boundary value analysis, state models, and exploratory testing.

3. Grey Box Testing

It’s a testing method used with less information about the internal structure of the application. It performs like a black box, but for some critical areas, it can use for white box testing. The techniques include- waterfall model, v model, spiral model, agile model, and RAD.

Take a closer look at each software development methodology.

1. Waterfall Model

It’s a basic model of the life cycle developed by Winston Royce in 1970. It represents multiple stages in a sequential manner that flows progressively downward. The waterfall model is used when requirements are well-known, and technology is understood.

  • Requirement Gathering
    It’s a first step that allows us to analyze and capture all requirements. Make sure that the data is testable or not before using it.
  • System Design
    Based on requirement gathered, one need to create and design document. Later one can define hardware and software requirements.
  • Implementation
    Now, based on system design, create robust code for documents as per the design and later integrate them.
  • System Testing
    By using the integrated components, the phase performs to ensure that the system is working as per requirements. Now track and report the testing progress.
  • System Deployment
    If a system is stable with zero bugs, then make sure the test criteria are met, and it ensures environment setup.
  • System Maintenance
    Make sure that your application is working as per your requirements and within a suitable environment. If in case, there’s some defect then fix and deploy in the environment.

1. Advantages of the Waterfall model

  • It’s simple and easy to understandable
  • It’s easy to handle at each phase with its deliverables
  • It works well for small projects
  • Overlapping stages can avoid

2. Disadvantages of waterfall model 

  • Increase the amount of uncertainty and risk
  • Do not work well with complex projects
  • Not suitable if you’re requirement keep on changing

2. V Model

We can call the V model an extension of the waterfall model as the process take place in a sequential style and is known as the verification and validation model. There exist a direct association in every single phase of the development cycle. The model is cost-effective and more beneficial than the waterfall model as the testing is performed at every stage rather than at the end of the cycle. It comes with three phases- the verification phase, the coding phase, and the validation phase.

1. Advantages of the V model

  • It’s easy and simple to use
  • Easy to manageable and suitable for small projects
  • Overlapping is avoided and executed one at a time.

2. Disadvantages of the V model

  • Same as the Waterfall model

3. Agile Model

It’s a model that shows an interactive and incremental approach. It uses the approach that breaks the model into different incremental units to provide iterations. The model allows each iteration to involve steps like planning, requirement gathering, design, coding, unit testing, etc. The agile model gives continuous iteration with the customer and takes feedback and requirements based on regular intervals.

1. Advantages of Agile Method

  • It uses a realistic approach to software development.
  • Eliminates mismatch between requirements and test cases
  • Suitable for long-term projects
  • It requires a minimum amount of resources.
  • Good for changing requirements
  • Easy to manage and understandable

2. Disadvantages of Agile Method

  • It’s doesn’t work well for complex projects.
  • It can increase maintainability risk.
  • It requires a massive amount of interaction.

4. Spiral Model

The model works with the iterative development approach along with the systematic approach and waterfall model. It works on an incremental model that emphasis Risk analysis.

It comes with four stages – planning, risk analysis, engineering, and evaluation phase.

1. Advantages of the Spiral model

  • Helps in avoiding the high amount of risk
  • Rapid development
  • Changes in requirements accommodated with ease.

2. Disadvantages of the Spiral model

  • Not suits for small projects
  • It’s costly compare to others.
  • It requires a high amount of risk analysis.

5. RAD model

RAD (Rapid Application Development) is one type of incremental model. It uses the approach where components are developed in a parallel manner. It uses a rapid approach and gives an immediate product to the customer along with providing feedback. Few phases of RAD are- Business modeling, process modeling, testing turnover, and application generation.

1. Advantages of the RAD model

  • The process can measure easily.
  • It can increase reusability.
  • It reduces development time.
  • Get quick initial reviews.
  • Enhances customer feedback

2. Disadvantages of RAD model

  • Comes with a high-cost estimation
  • Need highly skilled resources
  • With a modularized system, you can build using RAD.

How do choose the right software testing services?

We’ll find a lot of methodologies to choose from in software development. But when it comes to the software testing Methodology part, we need to consider our requirements, project size, budget, and scope. For smaller projects, it’s clear that waterfall works well and benefits hugely. But if you have large projects, then agile methodologies have substantial benefits.

Wrap up

We would recommend using SDLC as soon as possible so as to catch bugs at an early stage and incorporate testing feedback into the design and build sets. Achieve better quality products and shift your focus towards making quality assurance your priority.

However, it’s your choice to choose single or multiple software developments that lie at the core of the testing process. We can call it a versatile activity that changes according to the business requirements and software given timeline. If you’re looking for a software testing company or want to hire QA analysts, then connect with us and let’s discuss your requirements.

 

 

 

Software Testing Methodologies to Watch Out in 2021

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Manish Patel

Manish Patel is a Co-Founder of Concetto Labs, a leading mobile app development company specialized in android and iOS app development. We provide a one-stop solution for all IT related services.

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