End-to-End Testing VS Integration Testing : What Will Be Your Choice?

End-to-End Testing VS Integration Testing : What Will Be Your Choice

The world of software is really dynamic, so the reliability of applications is of prime importance. To guarantee the smooth functioning of the system, there are two main aspects of software testing. These are end-to-end testing (E2E) and integration testing. Both are high-level tests and are therefore critical to proving the reliability and performance of software systems. But what is the difference between them? Today we will reveal it to you in this article, and also shed light on the intricacies of these testing methodologies, and tell you why Test Pro is the best option for training for the role of a tester.


What is E2E testing?

The term may sound difficult and somehow mathematical, but in fact, end-to-end testing is a methodology for checking the full cycle of the functionality of a software application from start to finish using real scenarios. With this type of testing, you can identify any defects or problems that may occur when different parts of the application interact with each other. Therefore, by testing the entire system, E2E testing guarantees the smooth operation of all components and thus meets the user’s expectations.

What is integration testing?

Integration testing, also known as integration and testing (I&T), is a phase of software testing that aims to verify various units, modules or components of a software application as a unified entity. However, it should be taken into account that these modules can be coded by completely different programmers.

If we talk about the purpose of integration testing, then it is the identification and elimination of possible problems that may arise when the system components work together. Thus, it ensures the stability and reliability of the software product.

Key differences between end-to-end testing and integration testing

Let us now summarize the information that has already been given above and add some differences between these two testing methods.

1) Scope of testing

So, the first important difference between E2E and integration testing is the scope of testing. As we have already said, E2E testing covers the entire flow of the application and checks how different components interact to execute a certain user scenario. As for integration testing, this type focuses only on how different modules, blocks or components of the software application interact, making sure that they work together.

2) Test environment

E2E and integration testing require completely different areas of the test environment. An integration test environment focuses on the interaction in a single codebase between different software modules or components. And E2E is a high-level testing approach that tests the overall functionality and behavior of the entire system. Therefore, the environment for E2E testing must be production equivalent.

3) The moment of tests

If we consider integration testing, then the moment of testing begins at the very early stages of development. Errors are detected earlier, not later, in the cycle. And end-to-end testing is done in a completely different way. This testing is usually done late in the development life cycle when the entire system is ready for comprehensive testing.

4) Purpose

The goal of integration testing is to check how external systems work with internal modules, one by one. And E2E testing focuses on ensuring that the entire system functions correctly from the user’s point of view. The goal is to identify any problems that may arise as a result of the integration of various components.

Advantages of using E2E testing

1) Confidence in product releases

Due to the comprehensive nature of E2E testing, the development team guarantees users greater confidence and reliability of the product.

2) Cooperation

With E2E testing, the collaboration between the development team and the testers increases and thus promotes good communication between the team members.

3) Efficiency of automated testing

Because E2E testing can be automated, frequent and effective testing is obtained. When automating tests, you can provide a wide range of coverage and run in different browsers or other environments.

Advantages of using integration testing

1) Compatibility of components

Integration testing ensures that components that are developed by different teams or individuals are compatible with each other. This factor is very important, especially in large-scale projects. Why? Because different modules can be developed independently before integration into a complete system.

2) Checking the data flow

Another great advantage of integration testing is checking the flow of data between different modules. This is very important to maintain the integrity, correctness of information transfer and consistency in the system.

3) Reliability of the system

Integration testing checks whether the integrated components work flawlessly together or not. Due to this, the probability of errors in the software decreases.
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If you have finally decided that you want to become a tester and are looking for great courses through which you can acquire the relevant skills and knowledge, then you can look no further. Why? Because courses from Test Pro are exactly what you need! Thanks to our state-of-the-art courses and the most qualified mentors, you can get the knowledge you need for your profession as a tester. Don’t miss your chance, because this platform is ideal for people of any level: whether it’s a beginner or a professional. The main condition of Test Pro courses is to have a burning desire to connect your life with testing and achieve success in this field.

Now we have one last question for you: after all, we’ve looked at two different testing methods, have you decided which testing method is best for you? Is it end-to-end testing or is it integration testing? If you already know your answer, then we suggest you don’t wait long but quickly register with Test Pro, attend their free introductory webinar and start your journey as a tester by choosing your chosen testing method. Are you ready? We will wait for you!


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