Parallel tests (#28)

Author: joce

pyproject.toml

@@ -45,8 +45,9 @@ dev = [
     "pytest-asyncio >= 1.2.0, < 2.0",
     "pytest-cov >= 7.0, < 8.0",
     "pytest-httpx >= 0.36, < 1.0",
-    "pytest-timeout >= 2.4, < 3.0",
     "pytest-md >= 0.2, < 1.0",
+    "pytest-timeout >= 2.4, < 3.0",
+    "pytest-xdist[psutil] >= 3.8, < 4.0",
     "ruff >= 0.14, < 1.0",
     "textual-dev >= 1.7, < 2.0",
 ]

tox.ini

@@ -38,7 +38,7 @@ commands =
     # Analyzing typing with pyright
     pyright --pythonversion {env:PYRIGHT_PYTHON_VERSION}
     # Run pytest
-    pytest
+    pytest -n auto
 
 # Quick check environment - runs checks only once on your current Python version
 [testenv:check]
@@ -50,7 +50,7 @@ commands =
     black --check .
     pylint -j 0 src tests
     pyright
-    pytest
+    pytest -n auto
 
 # Fast test environment - only runs tests, no linting
 [testenv:test]