Software Integration Testing Services We Offer

Big Bang Testing

Big Bang Testing

With the Big Bang approach, our integration testing company puts all the components of all levels together and tests them as a whole: this is especially convenient for small systems because it saves time and resources, and also helps to identify more bugs at an early stage of testing.

Incremental Testing

Incremental Testing

In this approach, we carry out bottom-up integration with checking the work of integrated modules starting from lower levels: the procedure consists in testing communication between several logically related modules and adding new ones after the successful completion of each test.

Integration Testing Platforms
Tools We Use for Integration Testing
Solutions For Which We Implement Integration Testing

Data Flows

Our Approach to Integration Testing

Preparation of test plans

Development of tests scenarios

Execution of tests scenarios

Fixing bugs

Analysis and regression testing

What is software integration testing?

Software integration testing is an intermediate link between unit testing, when the program is presented as separate modules, and system testing, when the entire functional system is tested.

Integration testing is a type of testing in which the integration of modules, their interaction with each other, as well as the integration of subsystems into one common system are checked for compliance with the requirements. Integration testing uses components that have already been tested with unit testing and are grouped into sets. These sets are checked in accordance with the test plan drawn up for them, and they are combined through their interfaces.

How does integration testing work?

A continuous integration system is used to automate integration testing. Its principle of operation is as follows:

  1. Version control system monitoring.
  2. Updating the local repository when changing the sources in the repository.
  3. Performing the necessary checks and unit tests.
  4. Compilation of source codes into ready-made executable modules.
  5. Execution of tests of the integration level.
  6. Test report generation.

This allows you to test the system immediately after making changes, which significantly reduces the time for detecting and fixing errors.

What are the types of integration testing?

There are several approaches to software integration testing:

  1. Bottom-up. First, the modules of the lowest levels are collected and tested, and then the modules are tested ascending to the top of the hierarchy. This approach requires the availability of all assembled modules at all levels of the system.
  2. Top-down. This approach involves moving from high-level modules and then heading down. In this case, stubs are used for those modules that are lower in level, but which have not yet been included in the test.
  3. Big bang. All modules of all levels are put together and then tested. This method saves time and is great for small systems, but requires careful study of the test cases.
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