integration testing

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      Integration testing, also called integration and testing, abbreviated I&T, is a form of software testing in which multiple parts of a software system are tested as a group.
      Integration testing describes tests that are run at the integration-level to contrast testing at the unit or system level.
      Often, integration testing is conducted to evaluate the compliance of a component with functional requirements.
      In a structured development process, integration testing takes as its input modules that have been unit tested, groups them in larger aggregates, applies tests defined in an integration test plan, and delivers as output test results as a step leading to system testing.


      Approach


      Some different types of integration testing are big-bang, mixed (sandwich), risky-hardest, top-down, and bottom-up. Other Integration Patterns are: collaboration integration, backbone integration, layer integration, client-server integration, distributed services integration and high-frequency integration.
      In big-bang testing, most of the developed modules are coupled together to form a complete software system or major part of the system and then used for integration testing. This method is very effective for saving time in the integration testing process . However, if the test cases and their results are not recorded properly, the entire integration process will be more complicated and may prevent the testing team from achieving the goal of integration testing.
      In bottom-up testing, the lowest level components are tested first, and are then used to facilitate the testing of higher level components. The process is repeated until the component at the top of the hierarchy is tested. All the bottom or low-level modules, procedures or functions are integrated and then tested. After the integration testing of lower level integrated modules, the next level of modules will be formed and can be used for integration testing. This approach is helpful only when all or most of the modules of the same development level are ready. This method also helps to determine the levels of software developed and makes it easier to report testing progress in the form of a percentage.
      In top-down testing, the top integrated modules are tested first and the branch of the module is tested step by step until the end of the related module.
      Sandwich testing combines top-down testing with bottom up testing. One limitation to this sort of testing is that any conditions not stated in specified integration tests, outside of the confirmation of the execution of design items, will generally not be tested.



















      See also


      Design predicates
      Functional testing
      Continuous integration


      References

    Kata Kunci Pencarian: integration testing

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    integration testing

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    Integration Testing - Software Engineering - GeeksforGeeks

    Sep 26, 2024 · The goal of integration testing is to identify any problems or bugs that arise when different components are combined and interact with each other. Integration testing is typically performed after unit testing and before system testing.

    Integration Testing: What it is, Best Practices & Examples

    When you integrate the different components of your application, you need to test them via integration testing. This guide discusses the various aspects of it, including the what, why, types, and best practices, with added examples for better understanding.

    What is Integration Testing? (Example) - Guru99

    Apr 12, 2024 · Integration Testing is defined as a type of testing where software modules are integrated logically and tested as a group. A typical software project consists of multiple software modules, coded by different programmers.

    What Is Integration Testing? - Codecademy

    Oct 28, 2021 · Integration testing involves testing various modules of the software under development as a group to see whether they function together seamlessly. Ahead, we’ll take a closer look at integration testing and why it’s important.

    What is Integration Testing: Examples, Challenges, and Approaches

    Aug 13, 2024 · This article defines integration testing, why it’s needed, the correct approaches, the best integration testing techniques, a look at the tools and practices, and even an example of integration testing.

    Integration Testing 101: Methods, Challenges & Best Practices

    Sep 25, 2024 · Integration testing is a type of software testing that helps detect interface issues early, ensures component compatibility, improves software quality, reduces the risk of system failures, and facilitates easier debugging.

    Integration Testing: Definition, Types, Tools, and Best Practices

    Dec 25, 2024 · In this article, we will learn more about integration testing and how to do it better with the best practices. You will learn about its types, benefits, tools, and integration testing examples. What is Integration Testing? Integration testing in software testing is the process of checking how different parts of a software application work together.

    What is integration testing (I&T)? - TechTarget

    Integration testing -- also known as integration and testing or I&T -- is a type of software testing in which the different units, modules or components of a software application are tested as a combined entity. However, these modules can be coded by different programmers.

    What is Integration Testing? Complete Guide with examples

    Jul 12, 2021 · Integration testing is a key level of testing to find defects where software components and system interface together. Testing functions in isolation is important, but falls short of testing software behavior in ways it will actually be used in conjunction with other items.

    What is Integration Testing (Tutorial with Integration Testing …

    Jan 27, 2025 · Integration testing is done to test the modules/components when integrated to verify that they are working as expected, i.e. to test the modules that work fine individually and do not have issues when integrated.