GitHub Repository: quarto-dev/quarto-cli
Path: blob/main/dev-docs/configuring-test-deps.md
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Installing and configuring the main tools

Julia

Install juliaup
Install version to use e.g juliaup add 1.10
Configure tests folder to use a specific version
```
cd tests
juliaup override unset
juliaup override 1.10
```
This way when calling julia in tests folder it will always be Julia 1.10 version

Python

Install uv
About uv: https://docs.astral.sh/uv/
uv will handle the python versions and virtual environments based on the .python-version we have in tests/ folder.
To set the version to use to
```
cd tests
echo '3.12.7' > .python-version
```
This uv run and uv sync will create the right virtual environment and use it.

R

Install rig
Install R version e.g rig add 4.3.2
For now, no way to just configure a folder to use a specific version, so you need to set the version globally
```
rig default 4.3.2
```

NPM

Install npm needed for meca

Installing the dependencies in each languages packages

From tests folder, run configure-test-env.sh or configure-test-env.ps1 scripts to restore dependencies for each tools

Adding some tests dependencies

Python

Use uv add to add the deps to pyproject.toml, install related dependencies in the virtual environment and lock the versions in uv.lock. Example:
```
cd tests
uv add jupyter
```

R

Add the dependencies in DESCRIPTION file
Run renv::install(<package>) to install the dependencies
Run renv::snapshot() to lock the versions in renv.lock

Julia

Run Julia in the tests/ project and add the dependencies Example:
```
cd tests
julia --project=.
```
then in Julia console
```
using Pkg
Pkg.add("DataFrames")
```