Add pytest-xdist for parallel test execution

.gitlab-ci.yml

@@ -25,6 +25,7 @@ run-tox-pipeline:
     POSTGRES_PASSWORD: nwa
     DATABASE_URI_TEST: 'postgresql://nwa:nwa@postgres:5432/gso-test-db'
     PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
+    POSTGRES_INITDB_ARGS: "--username=nwa --pwfile=/tmp/pwfile --auth=trust"
 
   cache:
     key: tox-virtualenv
@@ -33,6 +34,7 @@ run-tox-pipeline:
       - venv/
 
   before_script:
+    - echo "$POSTGRES_PASSWORD" > /tmp/pwfile
     - pip install virtualenv
     - virtualenv venv
     - . venv/bin/activate

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

@@ -142,8 +142,12 @@ def data_config_filename() -> str:
 
 @pytest.fixture(scope="session")
 def db_uri():
-    """Provide the database uri configuration to run the migration on."""
-    return os.environ.get("DATABASE_URI_TEST", "postgresql://nwa:nwa@localhost/gso-test-db")
+    """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 f"postgresql://nwa:nwa@localhost/gso-test-db_{worker_id}"
+
+    return "postgresql://nwa:nwa@localhost/gso-test-db"
 
 
 def run_migrations(db_uri: str) -> None:
@@ -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

@@ -17,14 +17,7 @@ deps =
     -r requirements.txt
 
 commands =
-    ruff check --respect-gitignore --preview .
-    ruff format --respect-gitignore --preview --check .
-    mypy .
-    coverage erase
-    coverage run --source gso --omit="gso/migrations/*" -m pytest {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"
+    pytest -n auto {posargs}
 
 allowlist_externals =
     sh