Chore: convert test_adapter.py to pytest style

src/paperless/tests/test_adapter.py

@@ -1,107 +1,100 @@
-from unittest import mock
+import logging
 
+import pytest
 from allauth.account.adapter import get_adapter
 from allauth.core import context
 from allauth.socialaccount.adapter import get_adapter as get_social_adapter
-from django.conf import settings
 from django.contrib.auth.models import AnonymousUser
 from django.contrib.auth.models import Group
 from django.contrib.auth.models import User
 from django.forms import ValidationError
 from django.http import HttpRequest
-from django.test import TestCase
-from django.test import override_settings
 from django.urls import reverse
+from pytest_django.fixtures import SettingsWrapper
+from pytest_mock import MockerFixture
 from rest_framework.authtoken.models import Token
 
 from paperless.adapter import DrfTokenStrategy
 
 
-class TestCustomAccountAdapter(TestCase):
-    def test_is_open_for_signup(self) -> None:
+@pytest.mark.django_db
+class TestCustomAccountAdapter:
+    def test_is_open_for_signup(self, settings: SettingsWrapper) -> None:
         adapter = get_adapter()
 
         # With no accounts, signups should be allowed
-        self.assertTrue(adapter.is_open_for_signup(None))
+        assert adapter.is_open_for_signup(None)
 
         User.objects.create_user("testuser")
 
-        # Test when ACCOUNT_ALLOW_SIGNUPS is True
         settings.ACCOUNT_ALLOW_SIGNUPS = True
-        self.assertTrue(adapter.is_open_for_signup(None))
+        assert adapter.is_open_for_signup(None)
 
-        # Test when ACCOUNT_ALLOW_SIGNUPS is False
         settings.ACCOUNT_ALLOW_SIGNUPS = False
-        self.assertFalse(adapter.is_open_for_signup(None))
+        assert not adapter.is_open_for_signup(None)
 
-    def test_is_safe_url(self) -> None:
+    def test_is_safe_url(self, settings: SettingsWrapper) -> None:
         request = HttpRequest()
-        request.get_host = mock.Mock(return_value="example.com")
+        request.get_host = lambda: "example.com"
         with context.request_context(request):
             adapter = get_adapter()
-            with override_settings(ALLOWED_HOSTS=["*"]):
-                # True because request host is same
-                url = "https://example.com"
-                self.assertTrue(adapter.is_safe_url(url))
 
-            url = "https://evil.com"
+            settings.ALLOWED_HOSTS = ["*"]
+            # True because request host is same
+            assert adapter.is_safe_url("https://example.com")
             # False despite wildcard because request host is different
-            self.assertFalse(adapter.is_safe_url(url))
+            assert not adapter.is_safe_url("https://evil.com")
 
             settings.ALLOWED_HOSTS = ["example.com"]
-            url = "https://example.com"
             # True because request host is same
-            self.assertTrue(adapter.is_safe_url(url))
+            assert adapter.is_safe_url("https://example.com")
 
             settings.ALLOWED_HOSTS = ["*", "example.com"]
-            url = "//evil.com"
             # False because request host is not in allowed hosts
-            self.assertFalse(adapter.is_safe_url(url))
+            assert not adapter.is_safe_url("//evil.com")
 
-    @mock.patch("allauth.core.internal.ratelimit.consume", return_value=True)
-    def test_pre_authenticate(self, mock_consume) -> None:
+    def test_pre_authenticate(
+        self,
+        settings: SettingsWrapper,
+        mocker: MockerFixture,
+    ) -> None:
+        mocker.patch("allauth.core.internal.ratelimit.consume", return_value=True)
         adapter = get_adapter()
         request = HttpRequest()
-        request.get_host = mock.Mock(return_value="example.com")
+        request.get_host = lambda: "example.com"
 
         settings.DISABLE_REGULAR_LOGIN = False
         adapter.pre_authenticate(request)
 
         settings.DISABLE_REGULAR_LOGIN = True
-        with self.assertRaises(ValidationError):
+        with pytest.raises(ValidationError):
             adapter.pre_authenticate(request)
 
-    def test_get_reset_password_from_key_url(self) -> None:
+    def test_get_reset_password_from_key_url(self, settings: SettingsWrapper) -> None:
         request = HttpRequest()
-        request.get_host = mock.Mock(return_value="foo.org")
+        request.get_host = lambda: "foo.org"
         with context.request_context(request):
             adapter = get_adapter()
 
-            # Test when PAPERLESS_URL is None
-            with override_settings(
-                PAPERLESS_URL=None,
-                ACCOUNT_DEFAULT_HTTP_PROTOCOL="https",
-            ):
-                expected_url = f"https://foo.org{reverse('account_reset_password_from_key', kwargs={'uidb36': 'UID', 'key': 'KEY'})}"
-                self.assertEqual(
-                    adapter.get_reset_password_from_key_url("UID-KEY"),
-                    expected_url,
-                )
+            settings.PAPERLESS_URL = None
+            settings.ACCOUNT_DEFAULT_HTTP_PROTOCOL = "https"
+            expected_url = f"https://foo.org{reverse('account_reset_password_from_key', kwargs={'uidb36': 'UID', 'key': 'KEY'})}"
+            assert adapter.get_reset_password_from_key_url("UID-KEY") == expected_url
 
-            # Test when PAPERLESS_URL is not None
-            with override_settings(PAPERLESS_URL="https://bar.com"):
-                expected_url = f"https://bar.com{reverse('account_reset_password_from_key', kwargs={'uidb36': 'UID', 'key': 'KEY'})}"
-                self.assertEqual(
-                    adapter.get_reset_password_from_key_url("UID-KEY"),
-                    expected_url,
-                )
+            settings.PAPERLESS_URL = "https://bar.com"
+            expected_url = f"https://bar.com{reverse('account_reset_password_from_key', kwargs={'uidb36': 'UID', 'key': 'KEY'})}"
+            assert adapter.get_reset_password_from_key_url("UID-KEY") == expected_url
 
-    @override_settings(ACCOUNT_DEFAULT_GROUPS=["group1", "group2"])
-    def test_save_user_adds_groups(self) -> None:
+    def test_save_user_adds_groups(
+        self,
+        settings: SettingsWrapper,
+        mocker: MockerFixture,
+    ) -> None:
+        settings.ACCOUNT_DEFAULT_GROUPS = ["group1", "group2"]
         Group.objects.create(name="group1")
         user = User.objects.create_user("testuser")
         adapter = get_adapter()
-        form = mock.Mock(
+        form = mocker.MagicMock(
             cleaned_data={
                 "username": "testuser",
                 "email": "user@example.com",
@@ -110,88 +103,81 @@ class TestCustomAccountAdapter(TestCase):
 
         user = adapter.save_user(HttpRequest(), user, form, commit=True)
 
-        self.assertEqual(user.groups.count(), 1)
-        self.assertTrue(user.groups.filter(name="group1").exists())
-        self.assertFalse(user.groups.filter(name="group2").exists())
+        assert user.groups.count() == 1
+        assert user.groups.filter(name="group1").exists()
+        assert not user.groups.filter(name="group2").exists()
 
-    def test_fresh_install_save_creates_superuser(self) -> None:
+    def test_fresh_install_save_creates_superuser(self, mocker: MockerFixture) -> None:
         adapter = get_adapter()
-        form = mock.Mock(
+        form = mocker.MagicMock(
             cleaned_data={
                 "username": "testuser",
                 "email": "user@paperless-ngx.com",
             },
         )
         user = adapter.save_user(HttpRequest(), User(), form, commit=True)
-        self.assertTrue(user.is_superuser)
+        assert user.is_superuser
 
-        # Next time, it should not create a superuser
-        form = mock.Mock(
+        form = mocker.MagicMock(
             cleaned_data={
                 "username": "testuser2",
                 "email": "user2@paperless-ngx.com",
             },
         )
         user2 = adapter.save_user(HttpRequest(), User(), form, commit=True)
-        self.assertFalse(user2.is_superuser)
+        assert not user2.is_superuser
 
 
-class TestCustomSocialAccountAdapter(TestCase):
-    def test_is_open_for_signup(self) -> None:
+class TestCustomSocialAccountAdapter:
+    @pytest.mark.django_db
+    def test_is_open_for_signup(self, settings: SettingsWrapper) -> None:
         adapter = get_social_adapter()
 
-        # Test when SOCIALACCOUNT_ALLOW_SIGNUPS is True
         settings.SOCIALACCOUNT_ALLOW_SIGNUPS = True
-        self.assertTrue(adapter.is_open_for_signup(None, None))
+        assert adapter.is_open_for_signup(None, None)
 
-        # Test when SOCIALACCOUNT_ALLOW_SIGNUPS is False
         settings.SOCIALACCOUNT_ALLOW_SIGNUPS = False
-        self.assertFalse(adapter.is_open_for_signup(None, None))
+        assert not adapter.is_open_for_signup(None, None)
 
     def test_get_connect_redirect_url(self) -> None:
         adapter = get_social_adapter()
-        request = None
-        socialaccount = None
+        assert adapter.get_connect_redirect_url(None, None) == reverse("base")
 
-        # Test the default URL
-        expected_url = reverse("base")
-        self.assertEqual(
-            adapter.get_connect_redirect_url(request, socialaccount),
-            expected_url,
-        )
-
-    @override_settings(SOCIAL_ACCOUNT_DEFAULT_GROUPS=["group1", "group2"])
-    def test_save_user_adds_groups(self) -> None:
+    @pytest.mark.django_db
+    def test_save_user_adds_groups(
+        self,
+        settings: SettingsWrapper,
+        mocker: MockerFixture,
+    ) -> None:
+        settings.SOCIAL_ACCOUNT_DEFAULT_GROUPS = ["group1", "group2"]
         Group.objects.create(name="group1")
         adapter = get_social_adapter()
-        request = HttpRequest()
         user = User.objects.create_user("testuser")
-        sociallogin = mock.Mock(
-            user=user,
-        )
+        sociallogin = mocker.MagicMock(user=user)
 
-        user = adapter.save_user(request, sociallogin, None)
+        user = adapter.save_user(HttpRequest(), sociallogin, None)
 
-        self.assertEqual(user.groups.count(), 1)
-        self.assertTrue(user.groups.filter(name="group1").exists())
-        self.assertFalse(user.groups.filter(name="group2").exists())
+        assert user.groups.count() == 1
+        assert user.groups.filter(name="group1").exists()
+        assert not user.groups.filter(name="group2").exists()
 
-    def test_error_logged_on_authentication_error(self) -> None:
+    def test_error_logged_on_authentication_error(
+        self,
+        caplog: pytest.LogCaptureFixture,
+    ) -> None:
         adapter = get_social_adapter()
-        request = HttpRequest()
-        with self.assertLogs("paperless.auth", level="INFO") as log_cm:
+        with caplog.at_level(logging.INFO, logger="paperless.auth"):
             adapter.on_authentication_error(
-                request,
+                HttpRequest(),
                 provider="test-provider",
                 error="Error",
                 exception="Test authentication error",
             )
-        self.assertTrue(
-            any("Test authentication error" in message for message in log_cm.output),
-        )
+        assert any("Test authentication error" in msg for msg in caplog.messages)
 
 
-class TestDrfTokenStrategy(TestCase):
+@pytest.mark.django_db
+class TestDrfTokenStrategy:
     def test_create_access_token_creates_new_token(self) -> None:
         """
         GIVEN:
@@ -201,7 +187,6 @@ class TestDrfTokenStrategy(TestCase):
         THEN:
             - A new token is created and its key is returned
         """
-
         user = User.objects.create_user("testuser")
         request = HttpRequest()
         request.user = user
@@ -209,13 +194,9 @@ class TestDrfTokenStrategy(TestCase):
         strategy = DrfTokenStrategy()
         token_key = strategy.create_access_token(request)
 
-        # Verify a token was created
-        self.assertIsNotNone(token_key)
-        self.assertTrue(Token.objects.filter(user=user).exists())
-
-        # Verify the returned key matches the created token
-        token = Token.objects.get(user=user)
-        self.assertEqual(token_key, token.key)
+        assert token_key is not None
+        assert Token.objects.filter(user=user).exists()
+        assert token_key == Token.objects.get(user=user).key
 
     def test_create_access_token_returns_existing_token(self) -> None:
         """
@@ -226,7 +207,6 @@ class TestDrfTokenStrategy(TestCase):
         THEN:
             - The same token key is returned (no new token created)
         """
-
         user = User.objects.create_user("testuser")
         existing_token = Token.objects.create(user=user)
 
@@ -236,11 +216,8 @@ class TestDrfTokenStrategy(TestCase):
         strategy = DrfTokenStrategy()
         token_key = strategy.create_access_token(request)
 
-        # Verify the existing token key is returned
-        self.assertEqual(token_key, existing_token.key)
-
-        # Verify only one token exists (no duplicate created)
-        self.assertEqual(Token.objects.filter(user=user).count(), 1)
+        assert token_key == existing_token.key
+        assert Token.objects.filter(user=user).count() == 1
 
     def test_create_access_token_returns_none_for_unauthenticated_user(self) -> None:
         """
@@ -251,12 +228,11 @@ class TestDrfTokenStrategy(TestCase):
         THEN:
             - None is returned and no token is created
         """
-
         request = HttpRequest()
         request.user = AnonymousUser()
 
         strategy = DrfTokenStrategy()
         token_key = strategy.create_access_token(request)
 
-        self.assertIsNone(token_key)
-        self.assertEqual(Token.objects.count(), 0)
+        assert token_key is None
+        assert Token.objects.count() == 0

src/paperless/tests/test_checks.py

@@ -1,15 +1,12 @@
 import os
+from dataclasses import dataclass
 from pathlib import Path
-from unittest import mock
 
 import pytest
 from django.core.checks import Warning
-from django.test import TestCase
-from django.test import override_settings
+from pytest_django.fixtures import SettingsWrapper
 from pytest_mock import MockerFixture
 
-from documents.tests.utils import DirectoriesMixin
-from documents.tests.utils import FileSystemAssertsMixin
 from paperless.checks import audit_log_check
 from paperless.checks import binaries_check
 from paperless.checks import check_deprecated_db_settings
@@ -18,54 +15,84 @@ from paperless.checks import paths_check
 from paperless.checks import settings_values_check
 
 
-class TestChecks(DirectoriesMixin, TestCase):
-    def test_binaries(self) -> None:
-        self.assertEqual(binaries_check(None), [])
+@dataclass(frozen=True, slots=True)
+class PaperlessTestDirs:
+    data_dir: Path
+    media_dir: Path
+    consumption_dir: Path
 
-    @override_settings(CONVERT_BINARY="uuuhh")
-    def test_binaries_fail(self) -> None:
-        self.assertEqual(len(binaries_check(None)), 1)
 
-    def test_paths_check(self) -> None:
-        self.assertEqual(paths_check(None), [])
+# TODO: consolidate with documents/tests/conftest.py PaperlessDirs/paperless_dirs
+#       once the paperless and documents test suites are ready to share fixtures.
+@pytest.fixture()
+def directories(tmp_path: Path, settings: SettingsWrapper) -> PaperlessTestDirs:
+    data_dir = tmp_path / "data"
+    media_dir = tmp_path / "media"
+    consumption_dir = tmp_path / "consumption"
 
-    @override_settings(
-        MEDIA_ROOT=Path("uuh"),
-        DATA_DIR=Path("whatever"),
-        CONSUMPTION_DIR=Path("idontcare"),
+    for d in (data_dir, media_dir, consumption_dir):
+        d.mkdir()
+
+    settings.DATA_DIR = data_dir
+    settings.MEDIA_ROOT = media_dir
+    settings.CONSUMPTION_DIR = consumption_dir
+
+    return PaperlessTestDirs(
+        data_dir=data_dir,
+        media_dir=media_dir,
+        consumption_dir=consumption_dir,
     )
-    def test_paths_check_dont_exist(self) -> None:
-        msgs = paths_check(None)
-        self.assertEqual(len(msgs), 3, str(msgs))
 
-        for msg in msgs:
-            self.assertTrue(msg.msg.endswith("is set but doesn't exist."))
 
-    def test_paths_check_no_access(self) -> None:
-        Path(self.dirs.data_dir).chmod(0o000)
-        Path(self.dirs.media_dir).chmod(0o000)
-        Path(self.dirs.consumption_dir).chmod(0o000)
+class TestChecks:
+    def test_binaries(self) -> None:
+        assert binaries_check(None) == []
 
-        self.addCleanup(os.chmod, self.dirs.data_dir, 0o777)
-        self.addCleanup(os.chmod, self.dirs.media_dir, 0o777)
-        self.addCleanup(os.chmod, self.dirs.consumption_dir, 0o777)
+    def test_binaries_fail(self, settings: SettingsWrapper) -> None:
+        settings.CONVERT_BINARY = "uuuhh"
+        assert len(binaries_check(None)) == 1
+
+    @pytest.mark.usefixtures("directories")
+    def test_paths_check(self) -> None:
+        assert paths_check(None) == []
+
+    def test_paths_check_dont_exist(self, settings: SettingsWrapper) -> None:
+        settings.MEDIA_ROOT = Path("uuh")
+        settings.DATA_DIR = Path("whatever")
+        settings.CONSUMPTION_DIR = Path("idontcare")
 
         msgs = paths_check(None)
-        self.assertEqual(len(msgs), 3)
 
+        assert len(msgs) == 3, str(msgs)
         for msg in msgs:
-            self.assertTrue(msg.msg.endswith("is not writeable"))
+            assert msg.msg.endswith("is set but doesn't exist.")
 
-    @override_settings(DEBUG=False)
-    def test_debug_disabled(self) -> None:
-        self.assertEqual(debug_mode_check(None), [])
+    def test_paths_check_no_access(self, directories: PaperlessTestDirs) -> None:
+        directories.data_dir.chmod(0o000)
+        directories.media_dir.chmod(0o000)
+        directories.consumption_dir.chmod(0o000)
 
-    @override_settings(DEBUG=True)
-    def test_debug_enabled(self) -> None:
-        self.assertEqual(len(debug_mode_check(None)), 1)
+        try:
+            msgs = paths_check(None)
+        finally:
+            directories.data_dir.chmod(0o777)
+            directories.media_dir.chmod(0o777)
+            directories.consumption_dir.chmod(0o777)
+
+        assert len(msgs) == 3
+        for msg in msgs:
+            assert msg.msg.endswith("is not writeable")
+
+    def test_debug_disabled(self, settings: SettingsWrapper) -> None:
+        settings.DEBUG = False
+        assert debug_mode_check(None) == []
+
+    def test_debug_enabled(self, settings: SettingsWrapper) -> None:
+        settings.DEBUG = True
+        assert len(debug_mode_check(None)) == 1
 
 
-class TestSettingsChecksAgainstDefaults(DirectoriesMixin, TestCase):
+class TestSettingsChecksAgainstDefaults:
     def test_all_valid(self) -> None:
         """
         GIVEN:
@@ -76,104 +103,71 @@ class TestSettingsChecksAgainstDefaults(DirectoriesMixin, TestCase):
             - No system check errors reported
         """
         msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 0)
+        assert len(msgs) == 0
 
 
-class TestOcrSettingsChecks(DirectoriesMixin, TestCase):
-    @override_settings(OCR_OUTPUT_TYPE="notapdf")
-    def test_invalid_output_type(self) -> None:
+class TestOcrSettingsChecks:
+    @pytest.mark.parametrize(
+        ("setting", "value", "expected_msg"),
+        [
+            pytest.param(
+                "OCR_OUTPUT_TYPE",
+                "notapdf",
+                'OCR output type "notapdf"',
+                id="invalid-output-type",
+            ),
+            pytest.param(
+                "OCR_MODE",
+                "makeitso",
+                'OCR output mode "makeitso"',
+                id="invalid-mode",
+            ),
+            pytest.param(
+                "OCR_MODE",
+                "skip_noarchive",
+                "deprecated",
+                id="deprecated-mode",
+            ),
+            pytest.param(
+                "OCR_SKIP_ARCHIVE_FILE",
+                "invalid",
+                'OCR_SKIP_ARCHIVE_FILE setting "invalid"',
+                id="invalid-skip-archive-file",
+            ),
+            pytest.param(
+                "OCR_CLEAN",
+                "cleanme",
+                'OCR clean mode "cleanme"',
+                id="invalid-clean",
+            ),
+        ],
+    )
+    def test_invalid_setting_produces_one_error(
+        self,
+        settings: SettingsWrapper,
+        setting: str,
+        value: str,
+        expected_msg: str,
+    ) -> None:
         """
         GIVEN:
             - Default settings
-            - OCR output type is invalid
+            - One OCR setting is set to an invalid value
         WHEN:
             - Settings are validated
         THEN:
-            - system check error reported for OCR output type
+            - Exactly one system check error is reported containing the expected message
         """
+        setattr(settings, setting, value)
+
         msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 1)
 
-        msg = msgs[0]
-
-        self.assertIn('OCR output type "notapdf"', msg.msg)
-
-    @override_settings(OCR_MODE="makeitso")
-    def test_invalid_ocr_type(self) -> None:
-        """
-        GIVEN:
-            - Default settings
-            - OCR type is invalid
-        WHEN:
-            - Settings are validated
-        THEN:
-            - system check error reported for OCR type
-        """
-        msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 1)
-
-        msg = msgs[0]
-
-        self.assertIn('OCR output mode "makeitso"', msg.msg)
-
-    @override_settings(OCR_MODE="skip_noarchive")
-    def test_deprecated_ocr_type(self) -> None:
-        """
-        GIVEN:
-            - Default settings
-            - OCR type is deprecated
-        WHEN:
-            - Settings are validated
-        THEN:
-            - deprecation warning reported for OCR type
-        """
-        msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 1)
-
-        msg = msgs[0]
-
-        self.assertIn("deprecated", msg.msg)
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="invalid")
-    def test_invalid_ocr_skip_archive_file(self) -> None:
-        """
-        GIVEN:
-            - Default settings
-            - OCR_SKIP_ARCHIVE_FILE is invalid
-        WHEN:
-            - Settings are validated
-        THEN:
-            - system check error reported for OCR_SKIP_ARCHIVE_FILE
-        """
-        msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 1)
-
-        msg = msgs[0]
-
-        self.assertIn('OCR_SKIP_ARCHIVE_FILE setting "invalid"', msg.msg)
-
-    @override_settings(OCR_CLEAN="cleanme")
-    def test_invalid_ocr_clean(self) -> None:
-        """
-        GIVEN:
-            - Default settings
-            - OCR cleaning type is invalid
-        WHEN:
-            - Settings are validated
-        THEN:
-            - system check error reported for OCR cleaning type
-        """
-        msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 1)
-
-        msg = msgs[0]
-
-        self.assertIn('OCR clean mode "cleanme"', msg.msg)
+        assert len(msgs) == 1
+        assert expected_msg in msgs[0].msg
 
 
-class TestTimezoneSettingsChecks(DirectoriesMixin, TestCase):
-    @override_settings(TIME_ZONE="TheMoon\\MyCrater")
-    def test_invalid_timezone(self) -> None:
+class TestTimezoneSettingsChecks:
+    def test_invalid_timezone(self, settings: SettingsWrapper) -> None:
         """
         GIVEN:
             - Default settings
@@ -183,17 +177,16 @@ class TestTimezoneSettingsChecks(DirectoriesMixin, TestCase):
         THEN:
             - system check error reported for timezone
         """
+        settings.TIME_ZONE = "TheMoon\\MyCrater"
+
         msgs = settings_values_check(None)
-        self.assertEqual(len(msgs), 1)
 
-        msg = msgs[0]
-
-        self.assertIn('Timezone "TheMoon\\MyCrater"', msg.msg)
+        assert len(msgs) == 1
+        assert 'Timezone "TheMoon\\MyCrater"' in msgs[0].msg
 
 
-class TestEmailCertSettingsChecks(DirectoriesMixin, FileSystemAssertsMixin, TestCase):
-    @override_settings(EMAIL_CERTIFICATE_FILE=Path("/tmp/not_actually_here.pem"))
-    def test_not_valid_file(self) -> None:
+class TestEmailCertSettingsChecks:
+    def test_not_valid_file(self, settings: SettingsWrapper) -> None:
         """
         GIVEN:
             - Default settings
@@ -203,19 +196,22 @@ class TestEmailCertSettingsChecks(DirectoriesMixin, FileSystemAssertsMixin, Test
         THEN:
             - system check error reported for email certificate
         """
-        self.assertIsNotFile("/tmp/not_actually_here.pem")
+        cert_path = Path("/tmp/not_actually_here.pem")
+        assert not cert_path.is_file()
+        settings.EMAIL_CERTIFICATE_FILE = cert_path
 
         msgs = settings_values_check(None)
 
-        self.assertEqual(len(msgs), 1)
-
-        msg = msgs[0]
-
-        self.assertIn("Email cert /tmp/not_actually_here.pem is not a file", msg.msg)
+        assert len(msgs) == 1
+        assert "Email cert /tmp/not_actually_here.pem is not a file" in msgs[0].msg
 
 
-class TestAuditLogChecks(TestCase):
-    def test_was_enabled_once(self) -> None:
+class TestAuditLogChecks:
+    def test_was_enabled_once(
+        self,
+        settings: SettingsWrapper,
+        mocker: MockerFixture,
+    ) -> None:
         """
         GIVEN:
             - Audit log is not enabled
@@ -224,23 +220,18 @@ class TestAuditLogChecks(TestCase):
         THEN:
             - system check error reported for disabling audit log
         """
-        introspect_mock = mock.MagicMock()
+        settings.AUDIT_LOG_ENABLED = False
+        introspect_mock = mocker.MagicMock()
         introspect_mock.introspection.table_names.return_value = ["auditlog_logentry"]
-        with override_settings(AUDIT_LOG_ENABLED=False):
-            with mock.patch.dict(
-                "paperless.checks.connections",
-                {"default": introspect_mock},
-            ):
-                msgs = audit_log_check(None)
+        mocker.patch.dict(
+            "paperless.checks.connections",
+            {"default": introspect_mock},
+        )
 
-                self.assertEqual(len(msgs), 1)
+        msgs = audit_log_check(None)
 
-                msg = msgs[0]
-
-                self.assertIn(
-                    ("auditlog table was found but audit log is disabled."),
-                    msg.msg,
-                )
+        assert len(msgs) == 1
+        assert "auditlog table was found but audit log is disabled." in msgs[0].msg
 
 
 DEPRECATED_VARS: dict[str, str] = {
@@ -269,20 +260,16 @@ class TestDeprecatedDbSettings:
     @pytest.mark.parametrize(
         ("env_var", "db_option_key"),
         [
-            ("PAPERLESS_DB_TIMEOUT", "timeout"),
-            ("PAPERLESS_DB_POOLSIZE", "pool.min_size / pool.max_size"),
-            ("PAPERLESS_DBSSLMODE", "sslmode"),
-            ("PAPERLESS_DBSSLROOTCERT", "sslrootcert"),
-            ("PAPERLESS_DBSSLCERT", "sslcert"),
-            ("PAPERLESS_DBSSLKEY", "sslkey"),
-        ],
-        ids=[
-            "db-timeout",
-            "db-poolsize",
-            "ssl-mode",
-            "ssl-rootcert",
-            "ssl-cert",
-            "ssl-key",
+            pytest.param("PAPERLESS_DB_TIMEOUT", "timeout", id="db-timeout"),
+            pytest.param(
+                "PAPERLESS_DB_POOLSIZE",
+                "pool.min_size / pool.max_size",
+                id="db-poolsize",
+            ),
+            pytest.param("PAPERLESS_DBSSLMODE", "sslmode", id="ssl-mode"),
+            pytest.param("PAPERLESS_DBSSLROOTCERT", "sslrootcert", id="ssl-rootcert"),
+            pytest.param("PAPERLESS_DBSSLCERT", "sslcert", id="ssl-cert"),
+            pytest.param("PAPERLESS_DBSSLKEY", "sslkey", id="ssl-key"),
         ],
     )
     def test_single_deprecated_var_produces_one_warning(

src/paperless/tests/test_utils.py

@@ -9,35 +9,50 @@ from paperless.utils import ocr_to_dateparser_languages
 @pytest.mark.parametrize(
     ("ocr_language", "expected"),
     [
-        # One language
-        ("eng", ["en"]),
-        # Multiple languages
-        ("fra+ita+lao", ["fr", "it", "lo"]),
-        # Languages that don't have a two-letter equivalent
-        ("fil", ["fil"]),
-        # Languages with a script part supported by dateparser
-        ("aze_cyrl+srp_latn", ["az-Cyrl", "sr-Latn"]),
-        # Languages with a script part not supported by dateparser
-        # In this case, default to the language without script
-        ("deu_frak", ["de"]),
-        # Traditional and simplified chinese don't have the same name in dateparser,
-        # so they're converted to the general chinese language
-        ("chi_tra+chi_sim", ["zh"]),
-        # If a language is not supported by dateparser, fallback to the supported ones
-        ("eng+unsupported_language+por", ["en", "pt"]),
-        # If no language is supported, fallback to default
-        ("unsupported1+unsupported2", []),
-        # Duplicate languages, should not duplicate in result
-        ("eng+eng", ["en"]),
-        # Language with script, but script is not mapped
-        ("ita_unknownscript", ["it"]),
+        pytest.param("eng", ["en"], id="single-language"),
+        pytest.param("fra+ita+lao", ["fr", "it", "lo"], id="multiple-languages"),
+        pytest.param("fil", ["fil"], id="no-two-letter-equivalent"),
+        pytest.param(
+            "aze_cyrl+srp_latn",
+            ["az-Cyrl", "sr-Latn"],
+            id="script-supported-by-dateparser",
+        ),
+        pytest.param(
+            "deu_frak",
+            ["de"],
+            id="script-not-supported-falls-back-to-language",
+        ),
+        pytest.param(
+            "chi_tra+chi_sim",
+            ["zh"],
+            id="chinese-variants-collapse-to-general",
+        ),
+        pytest.param(
+            "eng+unsupported_language+por",
+            ["en", "pt"],
+            id="unsupported-language-skipped",
+        ),
+        pytest.param(
+            "unsupported1+unsupported2",
+            [],
+            id="all-unsupported-returns-empty",
+        ),
+        pytest.param("eng+eng", ["en"], id="duplicates-deduplicated"),
+        pytest.param(
+            "ita_unknownscript",
+            ["it"],
+            id="unknown-script-falls-back-to-language",
+        ),
     ],
 )
-def test_ocr_to_dateparser_languages(ocr_language, expected):
+def test_ocr_to_dateparser_languages(ocr_language: str, expected: list[str]) -> None:
     assert sorted(ocr_to_dateparser_languages(ocr_language)) == sorted(expected)
 
 
-def test_ocr_to_dateparser_languages_exception(monkeypatch, caplog):
+def test_ocr_to_dateparser_languages_exception(
+    monkeypatch: pytest.MonkeyPatch,
+    caplog: pytest.LogCaptureFixture,
+) -> None:
     # Patch LocaleDataLoader.get_locale_map to raise an exception
     class DummyLoader:
         def get_locale_map(self, locales=None):

src/paperless/tests/test_views.py

@@ -1,24 +1,31 @@
-import tempfile
 from pathlib import Path
 
-from django.test import override_settings
+from django.test import Client
+from pytest_django.fixtures import SettingsWrapper
 
 
-def test_favicon_view(client):
-    with tempfile.TemporaryDirectory() as tmpdir:
-        static_dir = Path(tmpdir)
-        favicon_path = static_dir / "paperless" / "img" / "favicon.ico"
-        favicon_path.parent.mkdir(parents=True, exist_ok=True)
-        favicon_path.write_bytes(b"FAKE ICON DATA")
+def test_favicon_view(
+    client: Client,
+    tmp_path: Path,
+    settings: SettingsWrapper,
+) -> None:
+    favicon_path = tmp_path / "paperless" / "img" / "favicon.ico"
+    favicon_path.parent.mkdir(parents=True)
+    favicon_path.write_bytes(b"FAKE ICON DATA")
 
-        with override_settings(STATIC_ROOT=static_dir):
-            response = client.get("/favicon.ico")
-            assert response.status_code == 200
-            assert response["Content-Type"] == "image/x-icon"
-            assert b"".join(response.streaming_content) == b"FAKE ICON DATA"
+    settings.STATIC_ROOT = tmp_path
+
+    response = client.get("/favicon.ico")
+    assert response.status_code == 200
+    assert response["Content-Type"] == "image/x-icon"
+    assert b"".join(response.streaming_content) == b"FAKE ICON DATA"
 
 
-def test_favicon_view_missing_file(client):
-    with override_settings(STATIC_ROOT=Path(tempfile.mkdtemp())):
-        response = client.get("/favicon.ico")
-        assert response.status_code == 404
+def test_favicon_view_missing_file(
+    client: Client,
+    tmp_path: Path,
+    settings: SettingsWrapper,
+) -> None:
+    settings.STATIC_ROOT = tmp_path
+    response = client.get("/favicon.ico")
+    assert response.status_code == 404