Parallelize tests using pytest-xdist

.gitignore

@@ -1,4 +1,5 @@
 *.env
+.idea/
 .DS_Store
 .logfire
 .python-version

Makefile

@@ -30,7 +30,7 @@ typecheck:
 
 .PHONY: test  # Run the tests
 test:
-	uv run --no-sync coverage run -m pytest
+	uv run --no-sync coverage run -m pytest -n auto --dist=loadgroup
 
 .PHONY: generate-stubs  # Generate stubs for logfire-api
 generate-stubs:

pyproject.toml

@@ -165,6 +165,7 @@ dev = [
     "boto3 >= 1.28.57",
     "botocore >= 1.31.57",
     "greenlet >= 3.1.1",
+    "pytest-xdist>=3.6.1",
 ]
 docs = [
     "black>=23.12.0",

tests/otel_integrations/test_celery.py

@@ -61,6 +61,7 @@ def celery_worker(celery_app: Celery) -> Iterator[WorkController]:
         yield worker
 
 
+@pytest.mark.xdist_group(name='sequential')
 def test_instrument_celery(celery_app: Celery, exporter: TestExporter) -> None:
     # Send and wait for the task to be executed
     result = celery_app.send_task('tasks.say_hello')  # type: ignore

tests/test_configure.py

@@ -1037,6 +1037,7 @@ def test_initialize_project_not_confirming_organization(tmp_path: Path) -> None:
         ]
 
 
+@pytest.mark.xdist_group(name='sequential')
 def test_initialize_project_create_project(tmp_dir_cwd: Path, tmp_path: Path, capsys: pytest.CaptureFixture[str]):
     auth_file = tmp_path / 'default.toml'
     auth_file.write_text(
@@ -1161,6 +1162,7 @@ def test_initialize_project_create_project(tmp_dir_cwd: Path, tmp_path: Path, ca
         }
 
 
+@pytest.mark.xdist_group(name='sequential')
 def test_initialize_project_create_project_default_organization(tmp_dir_cwd: Path, tmp_path: Path):
     auth_file = tmp_path / 'default.toml'
     auth_file.write_text(