How to run multiple tests in parallel with colcon test?

LastStarDust · July 29, 2024, 1:34am

The question was answered here:

github.com/ros2/launch

Feature request: run multiple tests in parallel with `colcon test`

opened 10:58PM - 17 Jul 24 UTC

closed 01:33AM - 29 Jul 24 UTC

LastStarDust

backlog

I am currently engaged in a ROS2 project aimed at optimizing our testing process…es by enabling concurrent execution of tests within a single package using `colcon test`. Initially, I attempted to utilize the `--parallel-workers` flag. However, this approach did not resolve the issue as intended. It facilitates parallel execution across multiple packages, but intra-package test execution remains sequential. Each test is implemented using the [launch_testing](https://index.ros.org/p/launch_testing/) framework and integrated into `colcon` via the `add_launch_test` macro within the `CMakeLists.txt` file. Key specifics include: - ROS2 version: Humble - Operating System: Ubuntu 22.04 - Test execution command: `colcon test` I am seeking guidance or practical examples that outline best practices for achieving concurrent test execution at the ROS2 package level. In case what I am asking turned out to be not supported, I suggest to add it to the list of desired features to be implemented. Thank you in advance!

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How to run multiple tests in parallel with colcon test?

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