Hybrid Integration Testing

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What is Hybrid Integration Testing?

We know that Integration Testing is a phase in software testing in which standalone modules are combined and tested as a single entity. During that phase, the interface and the communication between each one of those modules are tested. There are two popular approaches for Integration testing which is Top down Integration Testing and Bottom up Integration Testing.

In Hybrid Integration Testing, we exploit the advantages of Top-down and Bottom-up approaches. As the name suggests, we make use of both the Integration techniques.

Hybrid Integration testing in Test Life Cycle

Purpose of Software Hybrid Integration Testing

The purpose of software hybrid integration testing are listed below −

  • The hybrid integration allows verification of both the high level, and low level components of the software, thereby increasing the test coverage.
  • The hybrid integration detects integration issues early in the software development life cycle(SDLC) by checking from the top as well as from the bottom.
  • The hybrid integration works well with the incremental testing procedure which combines and then verifies the modules.
  • This type of testing methodology works well with the complex software.
  • The hybrid integration makes the testing process more productive by verifying the modules at the same time.
  • The hybrid integration determines the interface issues encountered while various components are integrated.
  • The development and testing of the software can go hand in hand during the hybrid integration testing phase. The developers can work upon the high, and low level components concurrently, and the testing can begin before all the components have been completed from the development perspective.

Strategy used for Software Hybrid Integration Testing

The strategy used for the software hybrid integration testing are listed below −

  • The software hybrid integration testing integrates the top down, and bottom up testing.
  • The software hybrid integration testing has three layers namely target layer, the layer below the target layer, and above it.
  • The hybrid integration testing is mainly concerned with the target layer. This is determined by the software characteristics, and the internal code.
  • The hybrid integration testing makes an attempt to reduce the count of drivers, and stubs whenever there are more than three layers.

Perform the Software Hybrid Integration Testing

The software hybrid integration testing can be performed by following the steps listed below −

Step 1− The user interfaces are verified in isolation with the help of stubs.

Step 2− The lowest level components are verified with the help of drivers.

Step 3− As all the components have been combined, only the middle layer is verified as the final software.

Advantages of Software Hybrid Integration Testing

The advantages of the software hybrid integration testing are listed below −

  • The software hybrid integration testing is mostly applicable to very large projects having a large number of sub-projects.
  • The software hybrid integration testing helps to achieve the parallel testing.
  • The software hybrid integration testing helps to save a lot of time, and cost.
  • The software hybrid integration testing achieves a better test coverage by utilizing the same stubs.
  • The hybrid integration testing can be used to verify both the functional, and non-functional requirements of the software.
  • The hybrid integration testing validates the complex dependencies that exist between various modules of the software.
  • The hybrid integration testing validates the complex data structures used in the software.
  • The hybrid integration testing checks the complicated algorithms used in the software.
  • The hybrid integration testing verifies the functionalities, robustness, and the performance of the software.
  • The hybrid integration testing process is well defined and can be documented, and replicated.
  • The hybrid integration testing is used to verify software of different sizes, and complexity.
  • The hybrid integration testing to verify a software having multiple functionalities.

Disadvantages of Software Hybrid Integration Testing

The disadvantages of the software hybrid integration testing are listed below −

  • The software hybrid integration testing is not a good choice for validating a software having a lot of dependencies between its various components.
  • The development of drivers, and stubs are mandatory for the software hybrid integration testing.
  • It is costly to configure, and maintain the resources required for the software hybrid integration testing.
  • The software hybrid integration testing may be performed on an environment which is not a replica of the production environment, resulting in getting inaccurate test results.
  • The software hybrid integration testing has the scope for human error when the data is being transferred manually from one environment to another.

Conclusion

This concludes our comprehensive take on the tutorial on Software Hybrid Integration Testing. Weve started with describing what is the purpose of software hybrid integration testing, what is the strategy used for software hybrid integration testing, how to perform the software hybrid integration testing, what are the advantages of software hybrid integration testing, and what are the disadvantages of software hybrid integration testing. This equips you with in-depth knowledge of Software Hybrid Integration Testing. It is wise to keep practicing what youve learned and exploring others relevant to Software Testing to deepen your understanding and expand your horizons.

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