Software testing and quality assurance, even though often thought to be the same thing, are not the same concepts. They have different objectives, specific features, and methods that are applied.
What is Quality Assurance?
Quality assurance is a way to avoid mistakes and consequently prevent any potential problems in your project. It is the part of quality management that focuses on maintaining the integrity of the product or service, giving confidence that all desired requirements will be met. This method develops ways to control the flow of work to make it easier to find errors during the software development process.
For instance, if a defect is found and fixed, there is no guaranteeing it won’t pop back up. The role of QA is to identify the process that allowed the error to occur and re-engineer the system so that these defects won’t appear for the second time. The QA process verifies that the product will continue to function as the customer expects
In the past, quality assurance testing has generally been brought into process relatively late in the development cycle. For example, in Waterfall, the software is produced and passed along to the QA team, who offer feedback, then send the software back to development so they can fix the problems.
What Is Quality Control?
Quality Control, or QC, is a software engineering process, typically used to ensure the quality of the products or services. QC is product-oriented, so, It’s a bit different from quality assurance QA, in that, where quality assurance is about the process, quality control examines the quality of the end products.
Whereas QA is proactive, QC is reactive. QC detects bugs by inspecting and testing the product. This involves checking the product against a predetermined set of requirements and validating that the product meets those requirements.
Examples of QC include technical reviews, software testing, and code inspections.
In an Agile environment, everyone, including the Quality Assurance Team, works collaboratively to make improvements on an ongoing basis. Yet, as developers, operators, and testers embrace shared responsibility for making sure they deliver a high-quality end product, QA often struggles to find its place.
What Is Testing?
Testing refers to the actual testing of a product to meet QC standards. This may involve using or stress-testing the product or seeing if the actual service results match the expected results. The process identifies problems in the product or service before it goes live.
In software testing, this ensures the identification of errors, bugs, and defects in software. Testing software involves executing a software component to evaluate its properties. Testing activities are also product-oriented.
In brief, software testing is a way of testing the system in order to find possible defects and bugs as well as checking the action pieces of code written by developers. Different methods are used to test the product, locate errors, and check if they have been fixed. Testing allows us to check whether the developed product meets the expectations or customers’ needs regarding design, compatibility, functioning, etc.
Tests can be carried out using various methods and types of approaches, they can be fully automated or performed manually. If possible, they can be carried out for static or dynamic elements at every stage of the chosen development cycle. Simply put, testing is designed to ensure that problems with the product do not reach customers after it is released correctly.
The Difference Between Quality Assurance and Testing
Software Testing helps find and fix already existing mistakes and Quality Assurance helps avoid them. Both of these processes are important and if you want to meet the best quality criteria, you cannot have one without the other.
QA is about making sure that the design meets stakeholders’ expectations, while testing is mainly detecting the bugs or bigger failures. Testing focuses on system control and error detection, with product orientation and corrective actions. Testing is about checking the behavior of the application, while quality assurance is about making the overall quality level of the project better each day.
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