Add tox testing

pyproject.toml

@@ -31,6 +31,7 @@ coverage = {extras = ["toml"], version = "^7.4.1"}
 pgtest = "^1.3.2"
 pytest = "^8.0"
 pytest-cov = "^4.1.0"
+tox = "^4.12.1"
 wheel = "^0.42"
 
 [tool.poetry.group.pre-commit]

tox.ini

@@ -0,0 +1,23 @@
+[tox]
+envlist = py311
+
+[testenv]
+usedevelop=True
+
+[testenv:py{39,310,311,312}]
+description = Run the test suite against Python versions
+allowlist_externals = poetry
+commands_pre = poetry install --no-root --sync
+commands = poetry run pytest --cov janus_core --import-mode importlib
+
+[testenv:pre-commit]
+description = Run the pre-commit checks
+allowlist_externals = poetry
+commands_pre = poetry install --no-root --sync
+commands = poetry run pre-commit run {posargs} --all-files
+
+[testenv:docs]
+description = Build the documentation
+allowlist_externals = poetry, echo
+commands_pre = poetry install --no-root --sync
+commands = poetry run sphinx-build -nW --keep-going -b html {posargs} docs/source docs/build/html