Add Todo.comment, and for that purpose basic SQL migration infrastructure.

[plomtask] / tests / utils.py

diff --git a/tests/utils.py b/tests/utils.py
index ccb485ad104cc37ae040a4b144093e69c75b87c0..c1a22b64fb56c9c4fd566245ce047c1d7fff428d 100644 (file)
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -19,11 +19,11 @@ class TestCaseSansDB(TestCase):
     """Tests requiring no DB setup."""
     checked_class: Any
 
-    def check_id_setting(self) -> None:
+    def check_id_setting(self, *args: Any) -> None:
         """Test .id_ being set and its legal range being enforced."""
         with self.assertRaises(HandledException):
-            self.checked_class(0)
-        obj = self.checked_class(5)
+            self.checked_class(0, *args)
+        obj = self.checked_class(5, *args)
         self.assertEqual(obj.id_, 5)
 
     def check_versioned_defaults(self, attrs: dict[str, Any]) -> None:
@@ -45,8 +45,7 @@ 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 +67,7 @@ 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
@@ -80,6 +79,19 @@ class TestCaseWithDB(TestCase):
         for key, value in kwargs.items():
             self.assertEqual(getattr(obj, key), value)
 
+    def check_saving_of_versioned(self, attr_name: str, type_: type) -> None:
+        """Test owner's versioned attributes."""
+        owner = self.checked_class(None)
+        vals: list[Any] = ['t1', 't2'] if type_ == str else [0.9, 1.1]
+        attr = getattr(owner, attr_name)
+        attr.set(vals[0])
+        attr.set(vals[1])
+        owner.save(self.db_conn)
+        owner.uncache()
+        retrieved = owner.__class__.by_id(self.db_conn, owner.id_)
+        attr = getattr(retrieved, attr_name)
+        self.assertEqual(sorted(attr.history.values()), vals)
+
     def check_by_id(self) -> None:
         """Test .by_id(), including creation."""
         # check failure if not yet saved
@@ -109,6 +121,20 @@ class TestCaseWithDB(TestCase):
             self.assertEqual(obj, retrieved)
             self.assertEqual({obj.id_: obj}, self.checked_class.get_cache())
 
+    def check_versioned_from_table_row(self, attr_name: str,
+                                       type_: type) -> None:
+        """Test .from_table_row() reads versioned attributes from DB."""
+        owner = self.checked_class(None)
+        vals: list[Any] = ['t1', 't2'] if type_ == str else [0.9, 1.1]
+        attr = getattr(owner, attr_name)
+        attr.set(vals[0])
+        attr.set(vals[1])
+        owner.save(self.db_conn)
+        for row in self.db_conn.row_where(owner.table_name, 'id', owner.id_):
+            retrieved = owner.__class__.from_table_row(self.db_conn, row)
+            attr = getattr(retrieved, attr_name)
+            self.assertEqual(sorted(attr.history.values()), vals)
+
     def check_all(self) -> tuple[Any, Any, Any]:
         """Test .all()."""
         # pylint: disable=not-callable