E2E Testing can be performed only when all three layers exist. Unit Testing is done on the business logic level. Typically, web applications are made of three layers: User Interface (UI), Business logic, and Database.
REST API TESTING USING POSTMAN SOFTWARE
API Testing provides insight to the eventual problem early in the Software Development Life Cycle (SDLC). Connecting applications through APIs simplifies data exchange between applications, resulting in higher productivity and revenue.ĪPI Testing is a complementary type of both: Unit Testing and End-to-End (E2E) Testing. Of course, the idea is far more complex, but I hope you get the point.ĪPI stands for “Application Programming Interface”. API can be compared to the walkie-talkie that enables two-way communication. Once he knows the answer, he presses a button and sends the weather information back to you. He hears your voice and checks whether it’s raining. You press that button, your voice reaches him, and you ask him if it’s raining outside. Imagine you have a walkie-talkie, and your friend is on the other end. In today’s article, we will focus on API Testing with an emphasis on the REST API and Postman. There are a lot of different combinations with various technologies and tools. What is more, they are the responsibility of a developer, not a QA Tester.Īfter the tests are conducted by a developer, it’s time for the QA team to test the functionality of an application’s interfaces. Unit Tests and Integration Tests are great to have, but they aren’t enough to test every aspect of the application. Hence, the Quality Assurance team must ensure that the application works the way it is expected to. Software development is facing tremendous growth – applications are increasingly in demand, releases are more frequent, and its quality must be maintained at an acceptable level.
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