Software testing is the process of finding errors in the developed software product. It also checks whether the real outcomes can match expected results, as well as aids in the identification of defects, missing requirements, or gaps.
Functional software testing verifies each function of an application or software. The tester verifies functionality with a specified set of requirements. So the source code of a software or an application doesn’t play a major role in this case. Testing the behavior of the software is the main concern
In unit testing, the tester checks individual software components. The aim is to test whether the components behave according to the requirement
This tests logical reasoning related to the working of the program.
This is probably one of the most important testing phases. Here, the old test cases of the entire application are executed after a new functionality has been implemented
Integration testing deals with testing individual components or modules after they are combined in a group
These tests check whether the communication between two software systems is correctly carried out.
Testers have application codes. Test done to make the code better by finding inefficiencies in code, poor coding practices, unnecessary lines of code for code optimization and security fixes
Here, the tester executes test cases for verifying the compliance of integrated and completed software along with specifications.
Here testers don’t know about the structure of the product, its code, or logic. You would use the product as an end user would.
Smoke testing tests simple and basic functionalities, such as if the user is able to log in or log out.
Non-functional testing considers parameters such as reliability, usability, and performance. A non-functional test might be checking how many users can log in to the system at the same time.
The performance or speed of the application is tested under the required workload.
This tests the performance of the system by loading the database to an increased volume of data.
These tests check if a product works according to expectations after installation
This procedure checks where an application can perform a particular task without failure within a specific timeframe. For example, suppose you’re testing a cryptocurrency mining application. The scenario where the application can mine continuously for eight hours without crashing might be something you look for during reliability testing.
This tests an application’s behavior under a huge workload. So, if you’re testing a website, load testing checks the site’s functionality and performance under high traffic.
Here, test cases are executed to check whether the system is safeguarded against sudden or deliberate attacks from internal and external sources.
Here, testers determine an application’s capacity to recover from hardware crashes and failures
Here, testers determine an application’s capacity to recover from hardware crashes and failures
Stress testing determines software robustness by assessing whether it’s working beyond regular operation.
Test cases are executed to check whether the application is compatible with varying environments. For example, if you’re testing a web application, compatibility testing deals with how the website works on different browsers or devices.
Here, testers check the behavior of a product according to local or cultural settings and environment.
Usability testing explores the end-user’s ease of use in terms of learning, operating, and preparing inputs and output.
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Commonly frequently asked questions from prospective clients
Usually, software testing starts with unit testing and sums up with acceptance testing. The hierarchy followed is; unit testing -> integration testing -> system testing -> acceptance testing
Following are the important differences between functional testing and non-functional testing:
The importance of environment reality increases with the progress in software testing. It is low during the early testing phases and highest during the final testing phase.
Usually, environment reality is required to be only about 10% real during the phase involving unit testing, i.e., the earliest software testing phase. However, the same is almost 100% real by the time the acceptance testing phase kicks in.
We can automate the following test cases:
A latent defect is a type of defect that, although existing in the system, doesn’t cause a failure or issue with the software product. A defect remains latent until all its conditions are fully met.
Following are the various categories of debugging:
