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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Evaluation of Model-Based Testing on a Base Station Controller

Trimmel, Stefan January 2008 (has links)
This master thesis investigates how well suited the model-based testing process is for testing a new feature of a Base Station Controller. In model-based testing the tester designs a behavioral model of the system under test, or some part of the system. This model is then given to a test generation tool that will analyze the model and produce interesting test cases. These test cases can either be run on the system in an automatic or manual way depending on what type of setup there is. In this report it is suggested that the behavioral model should be produced in as early a stage as possible and that it should be a collaboration between the test team and the design team. The advantages with the model-based testing process are a better overview of the test cases, the test cases are always up to date, it helps in finding errors or contradictions in requirements and it performs closer collaboration between the test team and the design team. The disadvantages with model-based testing process are that it introduces more sources where an error can occur. The behavioral model can have errors, the layer between the model and the generated test cases can have errors and the layer between the test cases and the system under test can have errors. This report also indicates that the time needed for testing will be longer compared with manual testing. During the pilot, when a part of a new feature was tested, of this master thesis a test generation tool called Qtronic was used. This tool solves a very challenging task which is generating test cases from a general behavioral model and with a good result. This tool provides many good things but it also has its shortages. One of the biggest shortages is the debugging of the model for finding errors. This step is very time consuming because it requires that a test case generation is performed on the whole model. When there is a fault in the model then this test generation can take very long time, before the tool decides that it is impossible to cover the model. Under the circumstances that the Qtronic tool is improved on varies issues suggested in the thesis, one of the most important issues is to do something about the long debugging time needed, then the next step can be to use model-based testing in a larger evaluation project at BSC Design, Ericsson.
2

Evaluation of Model-Based Testing on a Base Station Controller

Trimmel, Stefan January 2008 (has links)
<p>This master thesis investigates how well suited the model-based testing process is for testing a new feature of a Base Station Controller. In model-based testing the tester designs a behavioral model of the system under test, or some part of the system. This model is then given to a test generation tool that will analyze the model and produce interesting test cases. These test cases can either be run on the system in an automatic or manual way depending on what type of setup there is.</p><p>In this report it is suggested that the behavioral model should be produced in as early a stage as possible and that it should be a collaboration between the test team and the design team.</p><p>The advantages with the model-based testing process are a better overview of the test cases, the test cases are always up to date, it helps in finding errors or contradictions in requirements and it performs closer collaboration between the test team and the design team. The disadvantages with model-based testing process are that it introduces more sources where an error can occur. The behavioral model can have errors, the layer between the model and the generated test cases can have errors and the layer between the test cases and the system under test can have errors. This report also indicates that the time needed for testing will be longer compared with manual testing.</p><p>During the pilot, when a part of a new feature was tested, of this master thesis a test generation tool called Qtronic was used. This tool solves a very challenging task which is generating test cases from a general behavioral model and with a good result. This tool provides many good things but it also has its shortages. One of the biggest shortages is the debugging of the model for finding errors. This step is very time consuming because it requires that a test case generation is performed on the whole model. When there is a fault in the model then this test generation can take very long time, before the tool decides that it is impossible to cover the model.</p><p>Under the circumstances that the Qtronic tool is improved on varies issues suggested in the thesis, one of the most important issues is to do something about the long debugging time needed, then the next step can be to use model-based testing in a larger evaluation project at BSC Design, Ericsson.</p>

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