Run tests using pytest (#76)

* Run tests using pytest

* Bump Postgres to version 12

Django 4.2 requires Postgres >= 12:
https://docs.djangoproject.com/en/4.2/ref/databases/#postgresql-notes

* Review comments

{{ cookiecutter.__project_name_kebab }}/.github/workflows/test.yml

@@ -59,7 +59,7 @@ jobs:
 
     services:
       postgres:
-        image: ${{ matrix.postgres || 'postgres:11' }}
+        image: ${{ matrix.postgres || 'postgres:12' }}
         env:
           POSTGRES_PASSWORD: postgres
         ports:

{{ cookiecutter.__project_name_kebab }}/pyproject.toml

@@ -36,11 +36,14 @@ dependencies = [
 [project.optional-dependencies]
 testing = [
     "dj-database-url==2.1.0",
-    "pre-commit==3.4.0"
+    "pre-commit==3.4.0",
+    "pytest==8.1.1",
+    "pytest-cov==5.0.0",
+    "pytest-django==4.8.0",
 ]
 ci = [
     "tox==4.11.3",
-    "tox-gh-actions==3.1.3"
+    "tox-gh-actions==3.1.3",
 ]
 
 [project.urls]
@@ -61,3 +64,6 @@ exclude = [
     "*.ini",
     "*.yml"
 ]
+
+[tool.pytest.ini_options]
+DJANGO_SETTINGS_MODULE = "{{ cookiecutter.__project_name_snake }}.test.settings"

{{ cookiecutter.__project_name_kebab }}/ruff.toml

@@ -30,5 +30,15 @@ lines-after-imports = 2
 lines-between-types = 1
 
 
+[lint.per-file-ignores]
+"tests/**/*.py" = [
+    "S101",    # asserts allowed in tests
+    "ARG",     # unused function args (pytest fixtures)
+    "FBT",     # booleans as positional arguments (@pytest.mark.parametrize)
+    "PLR2004", # magic value used in comparison
+    "S311",    # standard pseudo-random generators are not suitable for cryptographic purposes
+]
+
+
 [format]
 docstring-code-format = true

{{ cookiecutter.__project_name_kebab }}/testmanage.py

@@ -1,66 +1,15 @@
 #!/usr/bin/env python
 
-import argparse
 import os
-import shutil
 import sys
-import warnings
 
 from django.core.management import execute_from_command_line
 
 
-os.environ["DJANGO_SETTINGS_MODULE"] = "{{ cookiecutter.__project_name_snake }}.test.settings"
-
-
-def make_parser():
-    parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "--deprecation",
-        choices=["all", "pending", "imminent", "none"],
-        default="imminent",
-    )
-    return parser
-
-
-def parse_args(args=None):
-    return make_parser().parse_known_args(args)
-
-
-def runtests():
-    args, rest = parse_args()
-
-    only_wagtail = r"^wagtail(\.|$)"
-    if args.deprecation == "all":
-        # Show all deprecation warnings from all packages
-        warnings.simplefilter("default", DeprecationWarning)
-        warnings.simplefilter("default", PendingDeprecationWarning)
-    elif args.deprecation == "pending":
-        # Show all deprecation warnings from wagtail
-        warnings.filterwarnings(
-            "default", category=DeprecationWarning, module=only_wagtail
-        )
-        warnings.filterwarnings(
-            "default", category=PendingDeprecationWarning, module=only_wagtail
-        )
-    elif args.deprecation == "imminent":
-        # Show only imminent deprecation warnings from wagtail
-        warnings.filterwarnings(
-            "default", category=DeprecationWarning, module=only_wagtail
-        )
-    elif args.deprecation == "none":
-        # Deprecation warnings are ignored by default
-        pass
-
-    argv = [sys.argv[0]] + rest
-
-    try:
-        execute_from_command_line(argv)
-    finally:
-        from wagtail.test.settings import MEDIA_ROOT, STATIC_ROOT
-
-        shutil.rmtree(STATIC_ROOT, ignore_errors=True)
-        shutil.rmtree(MEDIA_ROOT, ignore_errors=True)
+def main():
+    os.environ["DJANGO_SETTINGS_MODULE"] = "{{ cookiecutter.__project_name_snake }}.test.settings"
+    execute_from_command_line(sys.argv)
 
 
 if __name__ == "__main__":
-    runtests()
+    main()

{{ cookiecutter.__project_name_kebab }}/tests/conftest.py

@@ -0,0 +1,6 @@
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def temporary_media_dir(settings, tmp_path: pytest.TempdirFactory):
+    settings.MEDIA_ROOT = tmp_path / "media"

{{ cookiecutter.__project_name_kebab }}/tests/test_placeholder.py

@@ -0,0 +1,14 @@
+"""
+Placeholder test, so that pytest doesn't fail with an empty testsuite. Feel free to
+remove this when you start writing tests.
+https://github.com/pytest-dev/pytest/issues/2393
+"""
+
+import pytest
+
+
+pytestmark = pytest.mark.django_db
+
+
+def test_homepage(client):
+    assert client.get("/").status_code == 200

{{ cookiecutter.__project_name_kebab }}/tox.ini

@@ -21,7 +21,7 @@ DB =
 
 [testenv]
 install_command = pip install -e ".[testing]" -U {opts} {packages}
-commands = coverage run testmanage.py test --deprecation all {posargs: -v 2}
+commands = pytest --cov {posargs: -vv}
 
 basepython =
     python3.8: python3.8