Baseline Testing

This tutorial shows how to use Simulink® Test™ to create and run a baseline test to test for regression after you make changes to a model.

When you run a baseline test case, you compare simulation output data to baseline data. To run a baseline test using Simulink Test, you create a baseline test case and set the test properties. You can use the Test Manager to capture logged signal data from the system under test or add baseline data from an existing file and set the signal tolerances to specify the pass and fail criteria for the test. After you make changes to a model, you can run the baseline test case to check whether the new simulation output data satisfies the pass and fail criteria.

In this tutorial, you follow these steps to create a test case, capture baseline data, run the test and create a results report:

1. Author a Baseline Test Case: Create a new test file, specify test properties in the Test Manager, and capture and validate baseline data for the test.

2. Compare Simulation to Baseline Data: Make changes to the model, run the test case, and review the results.

3. Create a Test Results Report: Use the Test Manager to generate a test results report.

Examine the Model

This tutorial uses the sldemo_absbrake model. To open the model, enter:

open_system("sldemo_absbrake");

The sldemo_absbrake model simulates the behavior of a wheel with an anti-lock braking system (ABS) and logs the signals in the MATLAB workspace. To simulate the model, on the Simulation tab, click Run. The plots display the vehicle and wheel speed, slip, and wheel acceleration while braking. For more information on the model physics and analysis, see Model an Anti-Lock Braking System.