Type check all tests except test_ssl.py (#1402)

Author: alex

tests/test_debug.py

@@ -2,7 +2,7 @@
 from OpenSSL.debug import _env_info
 
 
-def test_debug_info():
+def test_debug_info() -> None:
     """
     Debug info contains correct data.
     """

tests/test_rand.py

@@ -5,28 +5,30 @@
 Unit tests for `OpenSSL.rand`.
 """
 
+from __future__ import annotations
+
 import pytest
 
 from OpenSSL import rand
 
 
 class TestRand:
     @pytest.mark.parametrize("args", [(b"foo", None), (None, 3)])
-    def test_add_wrong_args(self, args):
+    def test_add_wrong_args(self, args: tuple[object, object]) -> None:
         """
         `OpenSSL.rand.add` raises `TypeError` if called with arguments not of
         type `str` and `int`.
         """
         with pytest.raises(TypeError):
-            rand.add(*args)
+            rand.add(*args)  # type: ignore[arg-type]
 
-    def test_add(self):
+    def test_add(self) -> None:
         """
         `OpenSSL.rand.add` adds entropy to the PRNG.
         """
         rand.add(b"hamburger", 3)
 
-    def test_status(self):
+    def test_status(self) -> None:
         """
         `OpenSSL.rand.status` returns `1` if the PRNG has sufficient entropy,
         `0` otherwise.

tests/test_util.py

@@ -8,7 +8,7 @@ class TestErrors:
     Tests for handling of certain OpenSSL error cases.
     """
 
-    def test_exception_from_error_queue_nonexistent_reason(self):
+    def test_exception_from_error_queue_nonexistent_reason(self) -> None:
         """
         :func:`exception_from_error_queue` raises ``ValueError`` when it
         encounters an OpenSSL error code which does not have a reason string.

tox.ini

@@ -47,7 +47,7 @@ extras =
 deps =
     mypy
 commands =
-    mypy src/ tests/conftest.py tests/test_crypto.py
+    mypy src/ tests/conftest.py tests/test_crypto.py tests/test_debug.py tests/test_rand.py tests/test_util.py tests/util.py
 
 [testenv:check-manifest]
 deps =