Types of system testing pdf

Skip to content. Change Language. Related Articles. Table of Contents. Improve Article. Save Article. Like Article. Previous Software Engineering Integration Testing. Next Acceptance Testing Software Testing. Recommended Articles. Grey box testing is performed by a person who knows coding as well as testing. In other words, we can say that if a single-person team done both white box and black-box testing , it is considered grey box testing.

The most significant part of Software testing is Automation testing. It uses specific tools to automate manual design test cases without any human interference. Automation testing is the best way to enhance the efficiency, productivity, and coverage of Software testing. In other words, we can say that whenever we are testing an application by using some tools is known as automation testing. We will go for automation testing when various releases or several regression cycles goes on the application or software.

We cannot write the test script or perform the automation testing without understanding the programming language. In software testing, we also have some other types of testing that are not part of any above discussed testing, but those testing are required while testing any software or an application.

In smoke testing , we will test an application's basic and critical features before doing one round of deep and rigorous testing. Or before checking all possible positive and negative values is known as smoke testing.

Analyzing the workflow of the application's core and main functions is the main objective of performing the smoke testing. It is used to ensure that all the bugs have been fixed and no added issues come into existence due to these changes. Sanity testing is unscripted, which means we cannot documented it. It checks the correctness of the newly added features and components. Regression testing is the most commonly used type of software testing.

Here, the term regression implies that we have to re-test those parts of an unaffected application. Regression testing is the most suitable testing for automation tools. As per the project type and accessibility of resources, regression testing can be similar to Retesting. Whenever a bug is fixed by the developers and then testing the other features of the applications that might be simulated because of the bug fixing is known as regression testing.

In other words, we can say that whenever there is a new release for some project, then we can perform Regression Testing, and due to a new feature may affect the old features in the earlier releases. And knowing the application before accepting the final product is called as user acceptance testing. In user acceptance testing, we analyze the business scenarios, and real-time scenarios on the distinct environment called the UAT environment.

In this testing, we will test the application before UAI for customer approval. Whenever the requirement is missing, early iteration is required, and the testing team has experienced testers when we have a critical application. New test engineer entered into the team then we go for the exploratory testing.

To execute the exploratory testing, we will first go through the application in all possible ways, make a test document, understand the flow of the application, and then test the application. Testing the application randomly as soon as the build is in the checked sequence is known as Adhoc testing. It is also called Monkey testing and Gorilla testing. In Adhoc testing, we will check the application in contradiction of the client's requirements; that's why it is also known as negative testing.

It is an essential part of software testing, used to determine the weakness, risks, or threats in the software application. The execution of security testing will help us to avoid the nasty attack from outsiders and ensure our software applications' security.

In other words, we can say that security testing is mainly used to define that the data will be safe and endure the software's working process. Another type of software testing is Globalization testing. Globalization testing is used to check the developed software for multiple languages or not. Here, the words globalization means enlightening the application or software for various languages. Globalization testing is used to make sure that the application will support multiple languages and multiple features.

In present scenarios, we can see the enhancement in several technologies as the applications are prepared to be used globally. Refer to the following link to get the completed information related to the globalization testing:. In the tutorial, we have discussed various types of software testing. However, each kind of testing is not used in all types of projects.

We have discussed the most commonly used types of Software Testing like black-box testing, white box testing, functional testing, non-functional testing, regression testing, Adhoc testing, etc. Also, there are alternate classifications or processes used in diverse organizations, but the general concept is similar all over the place. These testing types, processes, and execution approaches keep changing when the project, requirements, and scope change.

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Hierarchy of Testing Levels There are mainly two widely used methods for software testing, one is White box testing which uses internal coding to design test cases and another is black box testing which uses GUI or user perspective to develop test cases. White box testing Black box testing System testing falls under Black box testing as it includes testing of the external working of the software.

System Testing includes the following steps. Verification of input functions of the application to test whether it is producing the expected output or not. Testing of integrated software by including external peripherals to check the interaction of various components with each other. Testing of the whole system for End to End testing. Behavior testing of the application via auser's experience Example of System testing Suppose we open an application, let say www.

The below application works in the following manner: Let's say that Amazon wants to display a promotion ad on January 26 at precisely AM on the Rediff's home page for the country India. Then, the sales manager logs into the website and creates a request for an advertisement dated for the above day. The next day, the AMS manager of Rediffmail login into the application and verifies the awaiting Ad request.

The AMS manager clicks on the payment request and sends the estimated value along with the request for payment to the Amazon manager. The various system test scenarios are as follows: Scenario1: The first test is the general scenario, as we discussed above. Note: Generally, every test engineer does the functional, integration, and system testing on their assigned module only.

In this particular example, we have the following scenarios: Scenarios 1 First, we will log in as a User; let see P, and apply for Overdraft Rs, click on apply, and logout. After that, we will log in as a Manager and approve the Overdraft of P, and logout. Again we will log in as a P and check the Overdraft balance; Rs should be deposited and logout. Modify the server date to the next 30 days. Apply for Overdraft in Advance as a two-month salary. Approve by the Manager, amount credit and the interest will be there to the processing fee for 1st time.

Scenario 2 Now, we test the alternative scenario where the bank provides an offer, which says that a customer who takes Rs as Overdraft for the first time will not charge for the Process fee.

Scenario 3 In this, we will reflect that the application is being used generally by all the clients, all of a sudden the bank decided to reduce the processing fee to Rs for new customer, and we have test Overdraft for new clients and check whether it is accepting only for Rs Types of System Testing System testing is divided into more than 50 types, but software testing companies typically uses some of them.

These are listed below: Regression Testing Regression testing is performed under system testing to confirm and identify that if there's any defect in the system due to modification in any other part of the system. Functional Testing Functional testing of a system is performed to find if there's any missing function in the system. Recovery Testing Recovery testing of a system is performed under system testing to confirm reliability, trustworthiness, accountability of the system and all are lying on recouping skills of the system.

Recovery testing contains the following steps: Whenever the software crashes, it should not vanish but should write the crash log message or the error log message where the reason for crash should be mentioned. Like, in Windows, we have the Task Manager to show which process is running. We will introduce the bug and crash the application, which means that someone will lead us to how and when will the application crash. Or By experiences , after few months of involvement on working the product, we can get to know how and when the application will crash.

Re-open the application; the application must be reopened with earlier settings.