MATLAB: Test harness location/ working of harnessinfo xml file

harnessinfosimulink testtest harness

In the harnessinfo xml file the Directory is not specified for any of the harnesses. How the simulink is locating the Test harness? What I have to do if I want to add the harness which is saved outside the default working directory?

Best Answer

The main model uses Universally Unique ID (UUID) to connect with the harnesses. The UUID information can be found in harnessinfo.xml file. So the directory information is not included in the harnessinfo.xml file.

If the harness is saved outside the default working directory, you can use the function to include the harness directory to MATLAB path:

addpath('the directory of the harnesses')

Then when the main model is opened, the harness can be recognized automatically.

If the harness is from a different model, the harness has to be imported to the main model to be recognized as its harness by the main model. Here is the link for harness import operation: https://www.mathworks.com/help/sltest/ref/sltest.harness.import.html

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MATLAB: What are the methods for synchronization/merging of Test harness’s to new main model

Hi Varunjith Vijayan,

Based on my understanding, you may use one of the following workflows:

The design model is checkout in Git by developers. More than 1 persons are using the design model to generate or modify test harnesses.

1) People create test harnesses which are saved with different names.

For this workflow, when the test harnesses and harnessInfo.xml are checked in, people need update the harnessInfo.xml with the latest changes and add the newly created harness information into harnessInfo.xml.

2) People create test harnesses which are saved with SAME names.

The second harness needs to be saved with a different name and the newly created harness information can be added into harnessInfo.xml.

3) More than two persons are modifying the same test harness.

The difference between two test harnesses can be obtained using Simulink Project. The difference between two harnessInfo.xml files can be obtained using MATLAB "Compare" function, which can be found at the following position: Launch MATLAB -> HOME(The 1st toolstrip) -> Compare.

If the information in harnessInfo.xml is correct, the harness can be found correctly.

MATLAB: How to import a test harness with an existing model reference

One way to do this is through sltest.harness.import, which allows you to import a stand-alone model as a test harness model.

If you created a harness using the "parent" model as the unit under test (similar to a model reference), use the "parent" model name as the 'ComponentName' in sltest.harness.import

Here is a simple example:

mainModel = 'UnlimitedFreeTacosModel'; % free tacos need not only be on Tuesdays
harnessModel = 'UnlimitedFreeTacosModel_harness'; % ensure this works on all the other days of the week
load_system(mainModel)
sltest.harness.import(mainModel,'ImportFileName',harnessModel,'ComponentName',mainModel,'Name',harnessModel(1:end-4));
save_system(mainModel)

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Related Solutions

MATLAB: What are the methods for synchronization/merging of Test harness’s to new main model

MATLAB: How to import a test harness with an existing model reference

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