Types of Software Testing

Testing is a process of executing a program with the aim of finding error. To make our software perform well it should be error free.If testing is done successfully it will remove all the errors from the software.

1. Unit Testing

It focuses on smallest unit of software design. In this we test an individual unit or group of inter related units.It is often done by programmer by using sample input and observing its corresponding outputs.

2. Integration Testing

The objective is to take unit tested components and build a program structure that has been dictated by design.Integration testing is testing in which a group of components are combined to produce output.

4. Smoke Testing

This test is done to make sure that software under testing is ready or stable for further testing
It is called smoke test as testing initial pass is done to check if it did not catch the fire or smoked in the initial switch on.

5. Alpha Testing

This is a type of validation testing.It is a type of acceptance testing which is done before the product is released to customers. It is typically done by QA people.

6. Beta Testing

The beta test is conducted at one or more customer sites by the end-user of the software. This version is released for the limited number of users for testing in real time environment.

7. System Testing

In this software is tested such that it works fine for different operating system.It is covered under the black box testing technique. In this we just focus on required input and output without focusing on internal working.

8. Stress Testing

In this we gives unfavorable conditions to the system and check how they perform in those condition.

9. Performance Testing

It is designed to test the run-time performance of software within the context of an integrated system.It is used to test speed and effectiveness of program.

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