tox: add documentation helper environments

Adding test environments to help sanity check documentation builds in a
virtual environment.

Signed-off-by: James Knight <[email protected]>

Author: jdknight

tox.ini

@@ -47,6 +47,14 @@ pip_pre = true
 [testenv:{,py38-,py39-,py310-,py311-,py312-,py313-}release]
 usedevelop = false
 
+[testenv:doc-html]
+changedir = doc
+commands = {envpython} -m sphinx -M html . _build/html -E -a
+
+[testenv:doc-latexpdf]
+changedir = doc
+commands = {envpython} -m sphinx -M latexpdf . _build/latexpdf -E -a
+
 [testenv:pylint]
 deps =
     {[testenv]deps}