Add pytest-xdist for parallel test execution

requirements.txt

@@ -23,3 +23,4 @@ sphinx-rtd-theme==2.0.0
 urllib3_mock==0.3.3
 pytest-asyncio==0.23.6
 pre-commit~=3.7.0
+pytest-xdist==3.6.1
\ No newline at end of file

test/conftest.py

@@ -142,7 +142,11 @@ def data_config_filename() -> str:
 
 @pytest.fixture(scope="session")
 def db_uri():
-    """Provide the database uri configuration to run the migration on."""
+    """Provide a unique database URI for each pytest-xdist worker, or a default URI if running without xdist."""
+    worker_id = os.getenv("PYTEST_XDIST_WORKER")
+    if worker_id:
+        return os.environ.get(f"postgresql://nwa:nwa@localhost/gso-test-db_{worker_id}")
+
     return os.environ.get("DATABASE_URI_TEST", "postgresql://nwa:nwa@localhost/gso-test-db")
 
 
@@ -281,7 +285,7 @@ def partner_factory():
     return _create_partner
 
 
-@pytest.fixture(scope="session")
+@pytest.fixture()
 def geant_partner(partner_factory):
     return partner_factory(name="GEANT-TEST", email="goat-test@geant.org")
 

tox.ini

@@ -21,7 +21,7 @@ commands =
     ruff format --respect-gitignore --preview --check .
     mypy .
     coverage erase
-    coverage run --source gso --omit="gso/migrations/*" -m pytest {posargs}
+    coverage run --source gso --omit="gso/migrations/*" -m pytest -n auto {posargs}
     coverage xml
     coverage html
     sh -c "if [ $SKIP_ALL_TESTS -eq 1 ]; then echo 'Skipping coverage report'; else coverage report --fail-under 80; fi"