Use pytest-beartype rather than decorating test functions

Author: adamtheturtle

conftest.py

@@ -9,7 +9,6 @@
 from pathlib import Path
 
 import pytest
-from beartype import beartype
 from mock_vws import MockVWS
 from mock_vws.database import VuforiaDatabase
 from sybil import Sybil
@@ -20,15 +19,6 @@
 )
 
 
-def pytest_collection_modifyitems(items: list[pytest.Item]) -> None:
-    """
-    Apply the beartype decorator to all collected test functions.
-    """
-    for item in items:
-        if isinstance(item, pytest.Function):
-            item.obj = beartype(obj=item.obj)
-
-
 @pytest.fixture(name="make_image_file")
 def fixture_make_image_file(
     high_quality_image: io.BytesIO,

pyproject.toml

@@ -57,6 +57,7 @@ optional-dependencies.dev = [
     "pyright==1.1.405",
     "pyroma==5.0",
     "pytest==8.4.2",
+    "pytest-beartype>=0.2.0",
     "pytest-cov==7.0.0",
     "pyyaml==6.0.2",
     "ruff==0.13.0",
@@ -316,6 +317,7 @@ max_supported_python = "3.13"
 
 xfail_strict = true
 log_cli = true
+addopts = "--beartype-packages=tests"
 
 [tool.coverage.run]