TEASER: Simulation-based CAN Bus Regression Testing for Self-driving Cars Software

• URL: http://arxiv.org/abs/2307.03279v1
• Date: Thu, 6 Jul 2023 20:30:35 GMT
• Title: TEASER: Simulation-based CAN Bus Regression Testing for Self-driving Cars Software
• Authors: Christian Birchler, Cyrill Rohrbach, Hyeongkyun Kim, Alessio Gambi, Tianhai Liu, Jens Horneber, Timo Kehrer, Sebastiano Panichella
• Abstract summary: TEASER is a tool that generates realistic CAN signals for SDCs obtained from sensors from state-of-the-art car simulators. We integrated TEASER in a Continous Integration (CI) pipeline configured with Jenkins. Our evaluation shows the ability of TEASER to generate and execute CI test cases that expose simulation-based faults.
• Score: 5.77326389907799
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Software systems for safety-critical systems like self-driving cars (SDCs) need to be tested rigorously. Especially electronic control units (ECUs) of SDCs should be tested with realistic input data. In this context, a communication protocol called Controller Area Network (CAN) is typically used to transfer sensor data to the SDC control units. A challenge for SDC maintainers and testers is the need to manually define the CAN inputs that realistically represent the state of the SDC in the real world. To address this challenge, we developed TEASER, which is a tool that generates realistic CAN signals for SDCs obtained from sensors from state-of-the-art car simulators. We evaluated TEASER based on its integration capability into a DevOps pipeline of aicas GmbH, a company in the automotive sector. Concretely, we integrated TEASER in a Continous Integration (CI) pipeline configured with Jenkins. The pipeline executes the test cases in simulation environments and sends the sensor data over the CAN bus to a physical CAN device, which is the test subject. Our evaluation shows the ability of TEASER to generate and execute CI test cases that expose simulation-based faults (using regression strategies); the tool produces CAN inputs that realistically represent the state of the SDC in the real world. This result is of critical importance for increasing automation and effectiveness of simulation-based CAN bus regression testing for SDC software. Tool: https://doi.org/10.5281/zenodo.7964890 GitHub: https://github.com/christianbirchler-org/sdc-scissor/releases/tag/v2.2.0-rc.1 Documentation: https://sdc-scissor.readthedocs.io

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