What Is Test Automation?

There are two types of testing in the software world—manual and automatic. Discovery testing and usability testing are among the most important tests. Other types of tests, such as regression testing and functional testing, can be performed manually, but this is a waste of time for companies. It is these sorts of repetitive tests that lend themselves to testing automation.

Test automation is the practice of running tests automatically, managing test data, and using results to improve software quality. Firstly, we can say that it is a quality assurance measure, but its activities include the commitment of the entire software production team. From business analysts to developers to DevOps engineers, getting the most out of test automation requires everyone to be involved.

Types of Automated Tests

Most tests done manually can be automated. What a user will manually perform can be replicated with an automation script. However, not all tests should be automated and we’ll look at this later in this article.

Here is a safe list of test types that can be automated without a doubt.

1.Unit Testing

Unit testing is a type of software testing in which individual units or components of a software are tested. The purpose of unit testing is to verify that each unit of software code works as expected. Unit testing is performed by developers during the development (coding phase) of an application. Unit tests isolate a part of the code and check its accuracy. A unit can be a single function, method, procedure, module, or object.

In SDLC, STLC, v model, unit testing is the first level of testing before integration testing. Unit testing is a white box testing technique usually performed by the developer.

2.Integration Testing

The meaning of integration testing is quite simple. Integrate/assemble the unit test module one by one and test the behavior as a unified unit.

The main function and purpose of this test is to test interfaces between units/modules.

It is generally considered more appropriate to conduct an integration test after a “unit test”. Once all the individual units have been created and tested, we begin to assemble these “unit tested” modules and begin to do the Integrated Test.

The main function and purpose of this test is to test interfaces between units/modules.

Individual modules are first tested in isolation. Once the modules are unit tested, they are integrated individually until all modules are integrated to check combinational behavior and verify that the requirements are applied correctly.

Here, we need to see that integration testing does not occur at the end of the cycle, but instead takes place at the same time as development.

3.Smoke Testing

Smoke Testing is a testing technique that is inspired from hardware testing, which checks for the smoke from the hardware components once the hardware’s power is switched on. Similarly in Software testing context, smoke testing refers to testing the basic functionality of the build.

If the Test fails, build is declared as unstable and it is NOT tested anymore until the smoke test of the build passes.

Smoke Testing – Features:

  • Identifying the business critical functionalities that a product must satisfy.
  • Designing and executing the basic functionalities of the application.
  • Ensuring that the smoke test passes each and every build in order to proceed with the testing.
  • Smoke Tests enables uncovering obvious errors which saves time and effort of test team.
  • Smoke Tests can be manual or automated.

4.Regression Testing

Regression test all changes made in the application environment; The newly added features to the application are a type of software test conducted to check whether the existing problems are eliminated and the new updates and added features produce a new error after the previous errors are corrected.

After the necessary changes and fixations are made in the application and application environments, the retests are called regression tests. This ensures that the problems identified in previous tests are resolved, and that the newly added features work properly and that no new errors occur.

The effects of software errors or regressions (low performance), functional and non-functional improvements, patches made to some areas of the system, and configuration changes can be monitored with regression testing.