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Implement suggestions.
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javiarrobas committed Jan 25, 2024
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Expand Up @@ -5,7 +5,7 @@ The IDEAS testing framework relies on [BuildingsPy](https://simulationresearch.l
implement regression testing on example models of the library.
A Docker image with Dymola (`dymimg`) is defined to encapsulate all dependencies and consistently run the tests either
locally or in the server.
The testing framework automates the tests using GitHub Actions with a self-hosted runner of the Sysi's Team at KU Leuven called
The testing framework automates the tests using GitHub Actions with a self-hosted runner of the Sysi Team at KU Leuven called
tony-de-rekenpony.
The tests used to run in Travis, but a major refactoring was implemented in
[this PR](https://github.com/open-ideas/IDEAS/pull/1319) to benefit from the free-tier of GitHub Actions.
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## Setting up the private runner
A *runner* is the platform where the tests actually run. This repository uses a private runner, that is, a self-hosted server of the Sysi's Team at KU Leuven called tony-de-rekenpony.
A *runner* is the platform where the tests actually run. This repository uses a private runner, that is, a self-hosted server of the Sysi Team at KU Leuven called tony-de-rekenpony.
[Here](https://docs.github.com/en/actions/hosting-your-own-runners) you can find general information about self-hosted runners with GitHub Actions.
Normally, the runner is continuously active and listening for new test requests. However, here we specify the steps to restart the private runner in case the server needs to be rebooted and for the information of new people who need to take over maintenance of the testing suite.

- In GitHub, go to Settings - Actions - Runners. When the runner is active and properly configured it looks as follows:
- In GitHub, go to Settings - Actions - Runners. When the runner is active and properly configured, it looks as follows:
![Alt text](image.png)
- To remove the runner (e.g. because it's not working properly), click the three dots and select "Remove runner".
- To add a new runner (because it's not showing up or because you've just removed it), click on the "New self-hosted runner" green button. Make sure you select the Linux configuration with x64 architecture. You may not need to go through the steps at the "Download" section unless you want to reinstall the GitHub Actions runner client functionality. So go straight ahead to the "Configure" Section to configure and activate the runner.
- To add a new runner (because it's not showing up or because you've just removed it), click on the "New self-hosted runner" green button. Make sure you select the Linux configuration with x64 architecture. You may not need to go through the steps at the "Download" section unless you want to reinstall the GitHub Actions runner client functionality. If you want to skip the "Download" section, go straight ahead to the "Configure" Section to configure and activate the runner.
![Alt text](image-1.png)
- More specifically, we typically use the following commands:
```
cd /home/actions-runner
nohup ./run.sh &
```
Where `nohup` allows you to run a command even if you close the terminal. The `&` symbol tells the command to run in the background, the output will be redirected to a `nohup.out` file.
Where [`nohup`](https://www.digitalocean.com/community/tutorials/nohup-command-in-linux) allows you to run a command even if you close the terminal. The [`&` symbol](https://www.digitalocean.com/community/tutorials/nohup-command-in-linux#starting-a-process-in-the-background-using-nohup) tells the command to run in the background, the output will be redirected to a `nohup.out` file.
- If when running the tests you keep getting errors of the type:
![Alt text](image-2.png)
You may want to remove the contents from the `_work` directory to start from a clean workspace. That is:
You may want to remove the contents from the `_work` directory to start from a clean workspace.
Not removing the `_work` directory could lead to permission errors when running the unit tests after reconfiguration
You can remove such directory as follows:
```
cd /home/actions-runner
rm -rf _work
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