X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;f=tests%2Futils.py;h=c1a22b64fb56c9c4fd566245ce047c1d7fff428d;hb=e60bbd142b5026748ee2181ca6758afef6202fb4;hp=a826c16a5adb1d24222ef1f4b42f5cefc711baf8;hpb=f8148a40996d64878431ac59d47650741e1d79c5;p=plomtask diff --git a/tests/utils.py b/tests/utils.py index a826c16..c1a22b6 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -15,10 +15,28 @@ from plomtask.todos import Todo from plomtask.exceptions import NotFoundException, HandledException +class TestCaseSansDB(TestCase): + """Tests requiring no DB setup.""" + checked_class: Any + + 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, *args) + obj = self.checked_class(5, *args) + self.assertEqual(obj.id_, 5) + + def check_versioned_defaults(self, attrs: dict[str, Any]) -> None: + """Test defaults of VersionedAttributes.""" + obj = self.checked_class(None) + for k, v in attrs.items(): + self.assertEqual(getattr(obj, k).newest, v) + + class TestCaseWithDB(TestCase): """Module tests not requiring DB setup.""" checked_class: Any - default_ids: tuple[int | str, int | str, int | str] + default_ids: tuple[int | str, int | str, int | str] = (1, 2, 3) def setUp(self) -> None: Condition.empty_cache() @@ -27,8 +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: @@ -43,14 +60,14 @@ class TestCaseWithDB(TestCase): self.assertEqual(self.checked_class.get_cache(), expected_cache) db_found: list[Any] = [] for item in content: - assert isinstance(item.id_, (str, int)) + assert isinstance(item.id_, type(self.default_ids[0])) for row in self.db_conn.row_where(self.checked_class.table_name, 'id', item.id_): db_found += [self.checked_class.from_table_row(self.db_conn, 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 @@ -62,6 +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 @@ -79,17 +109,32 @@ class TestCaseWithDB(TestCase): self.assertEqual(self.checked_class(id2), by_id_created) self.check_storage([obj]) - def check_from_table_row(self, id_: int | str) -> None: + def check_from_table_row(self, *args: Any) -> None: """Test .from_table_row() properly reads in class from DB""" - obj = self.checked_class(id_) # pylint: disable=not-callable + id_ = self.default_ids[0] + obj = self.checked_class(id_, *args) # pylint: disable=not-callable obj.save(self.db_conn) - assert isinstance(obj.id_, (str, int)) + assert isinstance(obj.id_, type(self.default_ids[0])) for row in self.db_conn.row_where(self.checked_class.table_name, 'id', obj.id_): retrieved = self.checked_class.from_table_row(self.db_conn, row) 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 @@ -109,20 +154,29 @@ class TestCaseWithDB(TestCase): return item1, item2, item3 def check_singularity(self, defaulting_field: str, - non_default_value: Any) -> None: + non_default_value: Any, *args: Any) -> None: """Test pointers made for single object keep pointing to it.""" id1 = self.default_ids[0] - obj = self.checked_class(id1) # pylint: disable=not-callable + obj = self.checked_class(id1, *args) # pylint: disable=not-callable obj.save(self.db_conn) setattr(obj, defaulting_field, non_default_value) retrieved = self.checked_class.by_id(self.db_conn, id1) self.assertEqual(non_default_value, getattr(retrieved, defaulting_field)) - def check_remove(self) -> None: + def check_versioned_singularity(self) -> None: + """Test singularity of VersionedAttributes on saving (with .title).""" + obj = self.checked_class(None) # pylint: disable=not-callable + obj.save(self.db_conn) + assert isinstance(obj.id_, int) + obj.title.set('named') + retrieved = self.checked_class.by_id(self.db_conn, obj.id_) + self.assertEqual(obj.title.history, retrieved.title.history) + + def check_remove(self, *args: Any) -> None: """Test .remove() effects on DB and cache.""" id_ = self.default_ids[0] - obj = self.checked_class(id_) # pylint: disable=not-callable + obj = self.checked_class(id_, *args) # pylint: disable=not-callable with self.assertRaises(HandledException): obj.remove(self.db_conn) obj.save(self.db_conn)