Add support for Python 3.12

.github/workflows/validation.yml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Software Development :: Testing",
 ]

tests/test_pytest_mypy.py

@@ -116,13 +116,9 @@ def pyfunc(x):
     mypy_status_check = 1
     mypy_checks = mypy_file_checks + mypy_status_check
     outcomes = {"passed": mypy_checks}
-    # mypy doesn't emit annotation-unchecked warnings until 0.990:
-    min_mypy_version = Version("0.990")
-    if MYPY_VERSION >= min_mypy_version and PYTEST_VERSION >= Version("7.0"):
-        # assert_outcomes does not support `warnings` until 7.x.
-        outcomes["warnings"] = 1
     result.assert_outcomes(**outcomes)
-    if MYPY_VERSION >= min_mypy_version:
+    # mypy doesn't emit annotation-unchecked warnings until 0.990:
+    if MYPY_VERSION >= Version("0.990"):
         result.stdout.fnmatch_lines(["*MypyWarning*"])
     assert result.ret == 0
 

tox.ini

@@ -8,6 +8,7 @@ envlist =
     py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.78, 0.x, 1.0, 1.x}
     py310-pytest{6.2, 6.x, 7.0, 7.x}-mypy{0.78, 0.x, 1.0, 1.x}
     py311-pytest{6.2, 6.x, 7.0, 7.x}-mypy{0.90, 0.x, 1.0, 1.x}
+    py312-pytest{6.2, 6.x, 7.0, 7.x}-mypy{0.90, 0.x, 1.0, 1.x}
     publish
     static
 
@@ -18,13 +19,15 @@ python =
     3.9: py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.78, 0.x, 1.0, 1.x}
     3.10: py310-pytest{6.2, 6.x, 7.0, 7.x}-mypy{0.78, 0.x, 1.0, 1.x}
     3.11: py311-pytest{6.2, 6.x, 7.0, 7.x}-mypy{0.90, 0.x, 1.0, 1.x}
+    3.12: py312-pytest{6.2, 6.x, 7.0, 7.x}-mypy{0.90, 0.x, 1.0, 1.x}
 
 [testenv]
 deps =
     pytest4.6: pytest ~= 4.6.0
     pytest5.0: pytest ~= 5.0.0
     pytest5.x: pytest ~= 5.0
     pytest6.0: pytest ~= 6.0.0
+    pytest6.2: pytest ~= 6.2.0
     pytest6.x: pytest ~= 6.0
     pytest7.0: pytest ~= 7.0.0
     pytest7.x: pytest ~= 7.0