This thesis describes the approach for development of a testing tool which simulates the terminal operating system.
Main result of the thesis is presentation of the approach for the development and operation of the application, which was developed in C# programming language. The application communicates with the port information system by messages exchange. Data is stored on a database.
With the support of the application we can test the port information system before of future implementation of the new system for the container terminal management.
free text keywords: Computer and Information Science