Refactor tests.

[plomtask] / tests / utils.py

diff --git a/tests/utils.py b/tests/utils.py
index bb37270ca68afde8e00df09a19892011fd371a29..69037cc8b5d628a8da68e4d3f40921b3d80f2c7c 100644 (file)
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -18,18 +18,25 @@ from plomtask.exceptions import NotFoundException, HandledException
 class TestCaseSansDB(TestCase):
     """Tests requiring no DB setup."""
     checked_class: Any
+    do_id_test: bool = False
+    default_init_args: list[Any] = []
+    versioned_defaults_to_test: dict[str, str | float] = {}
 
-    def check_id_setting(self, *args: Any) -> None:
+    def test_id_setting(self) -> None:
         """Test .id_ being set and its legal range being enforced."""
+        if not self.do_id_test:
+            return
         with self.assertRaises(HandledException):
-            self.checked_class(0, *args)
-        obj = self.checked_class(5, *args)
+            self.checked_class(0, *self.default_init_args)
+        obj = self.checked_class(5, *self.default_init_args)
         self.assertEqual(obj.id_, 5)
 
-    def check_versioned_defaults(self, attrs: dict[str, Any]) -> None:
+    def test_versioned_defaults(self) -> None:
         """Test defaults of VersionedAttributes."""
-        obj = self.checked_class(None)
-        for k, v in attrs.items():
+        if len(self.versioned_defaults_to_test) == 0:
+            return
+        obj = self.checked_class(1, *self.default_init_args)
+        for k, v in self.versioned_defaults_to_test.items():
             self.assertEqual(getattr(obj, k).newest, v)
 
 
@@ -45,8 +52,7 @@ class TestCaseWithDB(TestCase):
         ProcessStep.empty_cache()
         Todo.empty_cache()
         timestamp = datetime.now().timestamp()
-        self.db_file = DatabaseFile(f'test_db:{timestamp}')
-        self.db_file.remake()
+        self.db_file = DatabaseFile.create_at(f'test_db:{timestamp}')
         self.db_conn = DatabaseConnection(self.db_file)
 
     def tearDown(self) -> None:
@@ -68,7 +74,7 @@ class TestCaseWithDB(TestCase):
                                                                row)]
         self.assertEqual(sorted(content), sorted(db_found))
 
-    def check_saving_and_caching(self, **kwargs: Any) -> Any:
+    def check_saving_and_caching(self, **kwargs: Any) -> None:
         """Test instance.save in its core without relations."""
         obj = self.checked_class(**kwargs)  # pylint: disable=not-callable
         # check object init itself doesn't store anything yet