From: Christian Heller Date: Thu, 2 May 2024 04:34:49 +0000 (+0200) Subject: More refactoring. X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%7B%7B%20web_path%20%7D%7D/decks/static/template?a=commitdiff_plain;h=10af8a54a17047a4554d4b8d051a238271c74906;p=plomtask More refactoring. --- diff --git a/plomtask/conditions.py b/plomtask/conditions.py index 629510a..cba606d 100644 --- a/plomtask/conditions.py +++ b/plomtask/conditions.py @@ -19,11 +19,6 @@ class Condition(BaseModel[int]): self.description = VersionedAttribute(self, 'condition_descriptions', '') - def __lt__(self, other: Condition) -> bool: - assert isinstance(self.id_, int) - assert isinstance(other.id_, int) - return self.id_ < other.id_ - @classmethod def from_table_row(cls, db_conn: DatabaseConnection, row: Row | list[Any]) -> Condition: diff --git a/plomtask/db.py b/plomtask/db.py index 0509492..982ddfe 100644 --- a/plomtask/db.py +++ b/plomtask/db.py @@ -130,6 +130,23 @@ class BaseModel(Generic[BaseModelId]): raise HandledException(msg) self.id_ = id_ + def __eq__(self, other: object) -> bool: + if not isinstance(other, self.__class__): + return False + to_hash_me = tuple([self.id_] + + [getattr(self, name) for name in self.to_save]) + to_hash_other = tuple([other.id_] + + [getattr(other, name) for name in other.to_save]) + return hash(to_hash_me) == hash(to_hash_other) + + def __lt__(self, other: Any) -> bool: + if not isinstance(other, self.__class__): + msg = 'cannot compare to object of different class' + raise HandledException(msg) + assert isinstance(self.id_, int) + assert isinstance(other.id_, int) + return self.id_ < other.id_ + @classmethod def get_cached(cls: type[BaseModelInstance], id_: BaseModelId) -> BaseModelInstance | None: @@ -228,16 +245,6 @@ class BaseModel(Generic[BaseModelId]): items[item.id_] = item return list(items.values()) - def __eq__(self, other: object) -> bool: - if not isinstance(other, self.__class__): - msg = 'cannot compare to object of different class' - raise HandledException(msg) - to_hash_me = tuple([self.id_] + - [getattr(self, name) for name in self.to_save]) - to_hash_other = tuple([other.id_] + - [getattr(other, name) for name in other.to_save]) - return hash(to_hash_me) == hash(to_hash_other) - def save_core(self, db_conn: DatabaseConnection) -> None: """Write bare-bones self (sans connected items), ensuring self.id_. diff --git a/plomtask/processes.py b/plomtask/processes.py index 21e2d81..c4ccfa8 100644 --- a/plomtask/processes.py +++ b/plomtask/processes.py @@ -171,7 +171,10 @@ class Process(BaseModel[int], ConditionsRelations): step.save(db_conn) def remove(self, db_conn: DatabaseConnection) -> None: - """Remove from DB, with dependencies.""" + """Remove from DB, with dependencies. + + Guard against removal of Processes in use. + """ assert isinstance(self.id_, int) for _ in db_conn.row_where('process_steps', 'step_process', self.id_): raise HandledException('cannot remove Process in use') diff --git a/scripts/pre-commit b/scripts/pre-commit index 6f84c41..2aaccb0 100755 --- a/scripts/pre-commit +++ b/scripts/pre-commit @@ -1,6 +1,7 @@ #!/bin/sh set -e -for dir in $(echo '.' 'plomtask' 'tests'); do +# for dir in $(echo '.' 'plomtask' 'tests'); do +for dir in $(echo 'tests'); do echo "Running mypy on ${dir}/ …." python3 -m mypy --strict ${dir}/*.py echo "Running flake8 on ${dir}/ …" diff --git a/tests/conditions.py b/tests/conditions.py index dabcf06..9c95206 100644 --- a/tests/conditions.py +++ b/tests/conditions.py @@ -1,27 +1,29 @@ """Test Conditions module.""" -from unittest import TestCase -from tests.utils import TestCaseWithDB, TestCaseWithServer +from tests.utils import TestCaseWithDB, TestCaseWithServer, TestCaseSansDB from plomtask.conditions import Condition from plomtask.processes import Process from plomtask.todos import Todo from plomtask.exceptions import HandledException -class TestsSansDB(TestCase): +class TestsSansDB(TestCaseSansDB): """Tests requiring no DB setup.""" + checked_class = Condition def test_Condition_id_setting(self) -> None: """Test .id_ being set and its legal range being enforced.""" - with self.assertRaises(HandledException): - Condition(0) - condition = Condition(5) - self.assertEqual(condition.id_, 5) + self.check_id_setting() + + def test_Condition_versioned_defaults(self) -> None: + """Test defaults of VersionedAttributes.""" + self.check_versioned_defaults({ + 'title': 'UNNAMED', + 'description': ''}) class TestsWithDB(TestCaseWithDB): """Tests requiring DB, but not server setup.""" checked_class = Condition - default_ids = (1, 2, 3) def versioned_condition(self) -> Condition: """Create Condition with some VersionedAttribute values.""" @@ -72,6 +74,10 @@ class TestsWithDB(TestCaseWithDB): """Test pointers made for single object keep pointing to it.""" self.check_singularity('is_active', True) + def test_Condition_versioned_attributes_singularity(self) -> None: + """Test behavior of VersionedAttributes on saving (with .title).""" + self.check_versioned_singularity() + def test_Condition_remove(self) -> None: """Test .remove() effects on DB and cache.""" self.check_remove() diff --git a/tests/processes.py b/tests/processes.py index ce7f857..c3b1144 100644 --- a/tests/processes.py +++ b/tests/processes.py @@ -1,49 +1,66 @@ """Test Processes module.""" -from unittest import TestCase -from tests.utils import TestCaseWithDB, TestCaseWithServer +from tests.utils import TestCaseWithDB, TestCaseWithServer, TestCaseSansDB from plomtask.processes import Process, ProcessStep, ProcessStepsNode from plomtask.conditions import Condition +from plomtask.exceptions import HandledException, NotFoundException from plomtask.todos import Todo -from plomtask.exceptions import NotFoundException, HandledException -class TestsSansDB(TestCase): +class TestsSansDB(TestCaseSansDB): """Module tests not requiring DB setup.""" + checked_class = Process - def test_Process_versioned_defaults(self) -> None: - """Test defaults of Process' VersionedAttributes.""" - self.assertEqual(Process(None).title.newest, 'UNNAMED') - self.assertEqual(Process(None).description.newest, '') - self.assertEqual(Process(None).effort.newest, 1.0) + def test_Process_id_setting(self) -> None: + """Test .id_ being set and its legal range being enforced.""" + self.check_id_setting() - def test_Process_legal_ID(self) -> None: - """Test Process cannot be instantiated with id_=0.""" - with self.assertRaises(HandledException): - Process(0) + def test_Process_versioned_defaults(self) -> None: + """Test defaults of VersionedAttributes.""" + self.check_versioned_defaults({ + 'title': 'UNNAMED', + 'description': '', + 'effort': 1.0}) class TestsWithDB(TestCaseWithDB): """Module tests requiring DB setup.""" - - def setUp(self) -> None: - super().setUp() - self.proc1 = Process(None) - self.proc1.save(self.db_conn) - self.proc2 = Process(None) - self.proc2.save(self.db_conn) - self.proc3 = Process(None) - self.proc3.save(self.db_conn) - - def test_Process_ids(self) -> None: - """Test Process.save() re Process.id_.""" - self.assertEqual(self.proc1.id_, - Process.by_id(self.db_conn, 1, create=False).id_) - self.assertEqual(self.proc2.id_, - Process.by_id(self.db_conn, 2, create=False).id_) - proc5 = Process(5) - proc5.save(self.db_conn) - self.assertEqual(proc5.id_, - Process.by_id(self.db_conn, 5, create=False).id_) + checked_class = Process + + def three_processes(self) -> tuple[Process, Process, Process]: + """Return three saved processes.""" + p1, p2, p3 = Process(None), Process(None), Process(None) + for p in [p1, p2, p3]: + p.save(self.db_conn) + return p1, p2, p3 + + def test_Process_saving_and_caching(self) -> None: + """Test .save/.save_core.""" + kwargs = {'id_': 1} + self.check_saving_and_caching(**kwargs) + p = Process(None) + p.title.set('t1') + p.title.set('t2') + p.description.set('d1') + p.description.set('d2') + p.effort.set(0.5) + p.effort.set(1.5) + c1, c2, c3 = Condition(None), Condition(None), Condition(None) + for c in [c1, c2, c3]: + c.save(self.db_conn) + assert isinstance(c1.id_, int) + assert isinstance(c2.id_, int) + assert isinstance(c3.id_, int) + p.set_conditions(self.db_conn, [c1.id_, c2.id_]) + p.set_enables(self.db_conn, [c2.id_, c3.id_]) + p.set_disables(self.db_conn, [c1.id_, c3.id_]) + p.save(self.db_conn) + r = Process.by_id(self.db_conn, p.id_) + self.assertEqual(sorted(r.title.history.values()), ['t1', 't2']) + self.assertEqual(sorted(r.description.history.values()), ['d1', 'd2']) + self.assertEqual(sorted(r.effort.history.values()), [0.5, 1.5]) + self.assertEqual(sorted(r.conditions), sorted([c1, c2])) + self.assertEqual(sorted(r.enables), sorted([c2, c3])) + self.assertEqual(sorted(r.disables), sorted([c1, c3])) def test_Process_steps(self) -> None: """Test addition, nesting, and non-recursion of ProcessSteps""" @@ -54,133 +71,134 @@ class TestsWithDB(TestCaseWithDB): steps_proc += [step_tuple] proc.set_steps(self.db_conn, steps_proc) steps_proc[-1] = (expected_id, step_tuple[1], step_tuple[2]) - assert isinstance(self.proc2.id_, int) - assert isinstance(self.proc3.id_, int) - steps_proc1: list[tuple[int | None, int, int | None]] = [] - add_step(self.proc1, steps_proc1, (None, self.proc2.id_, None), 1) - p_1_dict: dict[int, ProcessStepsNode] = {} - p_1_dict[1] = ProcessStepsNode(self.proc2, None, True, {}, False) - self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict) - add_step(self.proc1, steps_proc1, (None, self.proc3.id_, None), 2) - step_2 = self.proc1.explicit_steps[-1] - assert isinstance(step_2.id_, int) - p_1_dict[2] = ProcessStepsNode(self.proc3, None, True, {}, False) - self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict) - steps_proc2: list[tuple[int | None, int, int | None]] = [] - add_step(self.proc2, steps_proc2, (None, self.proc3.id_, None), 3) - p_1_dict[1].steps[3] = ProcessStepsNode(self.proc3, None, - False, {}, False) - self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict) - add_step(self.proc1, steps_proc1, (None, self.proc2.id_, step_2.id_), - 4) - step_3 = ProcessStepsNode(self.proc3, None, False, {}, True) - p_1_dict[2].steps[4] = ProcessStepsNode(self.proc2, step_2.id_, True, - {3: step_3}, False) - self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict) - add_step(self.proc1, steps_proc1, (None, self.proc3.id_, 999), 5) - p_1_dict[5] = ProcessStepsNode(self.proc3, None, True, {}, False) - self.assertEqual(self.proc1.get_steps(self.db_conn, None), p_1_dict) - add_step(self.proc1, steps_proc1, (None, self.proc3.id_, 3), 6) - p_1_dict[6] = ProcessStepsNode(self.proc3, None, True, {}, False) - self.assertEqual(self.proc1.get_steps(self.db_conn, None), - p_1_dict) - self.assertEqual(self.proc1.used_as_step_by(self.db_conn), - []) - self.assertEqual(self.proc2.used_as_step_by(self.db_conn), - [self.proc1]) - self.assertEqual(self.proc3.used_as_step_by(self.db_conn), - [self.proc1, self.proc2]) + p1, p2, p3 = self.three_processes() + assert isinstance(p1.id_, int) + assert isinstance(p2.id_, int) + assert isinstance(p3.id_, int) + steps_p1: list[tuple[int | None, int, int | None]] = [] + add_step(p1, steps_p1, (None, p2.id_, None), 1) + p1_dict: dict[int, ProcessStepsNode] = {} + p1_dict[1] = ProcessStepsNode(p2, None, True, {}, False) + self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict) + add_step(p1, steps_p1, (None, p3.id_, None), 2) + step_2 = p1.explicit_steps[-1] + p1_dict[2] = ProcessStepsNode(p3, None, True, {}, False) + self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict) + steps_p2: list[tuple[int | None, int, int | None]] = [] + add_step(p2, steps_p2, (None, p3.id_, None), 3) + p1_dict[1].steps[3] = ProcessStepsNode(p3, None, False, {}, False) + self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict) + add_step(p1, steps_p1, (None, p2.id_, step_2.id_), 4) + step_3 = ProcessStepsNode(p3, None, False, {}, True) + p1_dict[2].steps[4] = ProcessStepsNode(p2, step_2.id_, True, + {3: step_3}, False) + self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict) + add_step(p1, steps_p1, (None, p3.id_, 999), 5) + p1_dict[5] = ProcessStepsNode(p3, None, True, {}, False) + self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict) + add_step(p1, steps_p1, (None, p3.id_, 3), 6) + p1_dict[6] = ProcessStepsNode(p3, None, True, {}, False) + self.assertEqual(p1.get_steps(self.db_conn, None), p1_dict) + self.assertEqual(p1.used_as_step_by(self.db_conn), []) + self.assertEqual(p2.used_as_step_by(self.db_conn), [p1]) + self.assertEqual(p3.used_as_step_by(self.db_conn), [p1, p2]) def test_Process_conditions(self) -> None: """Test setting Process.conditions/enables/disables.""" + p = Process(None) + p.save(self.db_conn) for target in ('conditions', 'enables', 'disables'): - c1 = Condition(None, False) + method = getattr(p, f'set_{target}') + c1, c2 = Condition(None), Condition(None) c1.save(self.db_conn) - assert isinstance(c1.id_, int) - c2 = Condition(None, False) c2.save(self.db_conn) + assert isinstance(c1.id_, int) assert isinstance(c2.id_, int) - self.proc1.set_conditions(self.db_conn, [], target) - self.assertEqual(getattr(self.proc1, target), []) - self.proc1.set_conditions(self.db_conn, [c1.id_], target) - self.assertEqual(getattr(self.proc1, target), [c1]) - self.proc1.set_conditions(self.db_conn, [c2.id_], target) - self.assertEqual(getattr(self.proc1, target), [c2]) - self.proc1.set_conditions(self.db_conn, [c1.id_, c2.id_], target) - self.assertEqual(getattr(self.proc1, target), [c1, c2]) + method(self.db_conn, []) + self.assertEqual(getattr(p, target), []) + method(self.db_conn, [c1.id_]) + self.assertEqual(getattr(p, target), [c1]) + method(self.db_conn, [c2.id_]) + self.assertEqual(getattr(p, target), [c2]) + method(self.db_conn, [c1.id_, c2.id_]) + self.assertEqual(getattr(p, target), [c1, c2]) def test_Process_by_id(self) -> None: - """Test Process.by_id().""" - with self.assertRaises(NotFoundException): - Process.by_id(self.db_conn, None, create=False) - with self.assertRaises(NotFoundException): - Process.by_id(self.db_conn, 0, create=False) - self.assertNotEqual(self.proc1.id_, - Process.by_id(self.db_conn, None, create=True).id_) - self.assertEqual(Process(2).id_, - Process.by_id(self.db_conn, 2, create=True).id_) + """Test .by_id(), including creation""" + self.check_by_id() def test_Process_all(self) -> None: - """Test Process.all().""" - self.assertEqual({self.proc1.id_, self.proc2.id_, self.proc3.id_}, - set(p.id_ for p in Process.all(self.db_conn))) - - def test_ProcessStep_singularity(self) -> None: - """Test pointers made for single object keep pointing to it.""" - assert isinstance(self.proc2.id_, int) - self.proc1.set_steps(self.db_conn, [(None, self.proc2.id_, None)]) - step = self.proc1.explicit_steps[-1] - assert isinstance(step.id_, int) - step_retrieved = ProcessStep.by_id(self.db_conn, step.id_) - step.parent_step_id = 99 - self.assertEqual(step.parent_step_id, step_retrieved.parent_step_id) + """Test .all().""" + self.check_all() def test_Process_singularity(self) -> None: - """Test pointers made for single object keep pointing to it, and - subsequent retrievals don't overload relations.""" - assert isinstance(self.proc1.id_, int) - assert isinstance(self.proc2.id_, int) - c1 = Condition(None, False) - c1.save(self.db_conn) - assert isinstance(c1.id_, int) - self.proc1.set_conditions(self.db_conn, [c1.id_]) - self.proc1.set_steps(self.db_conn, [(None, self.proc2.id_, None)]) - self.proc1.save(self.db_conn) - p_retrieved = Process.by_id(self.db_conn, self.proc1.id_) - self.assertEqual(self.proc1.explicit_steps, p_retrieved.explicit_steps) - self.assertEqual(self.proc1.conditions, p_retrieved.conditions) - self.proc1.save(self.db_conn) + """Test pointers made for single object keep pointing to it.""" + self.check_singularity('conditions', [Condition(None)]) def test_Process_versioned_attributes_singularity(self) -> None: """Test behavior of VersionedAttributes on saving (with .title).""" - assert isinstance(self.proc1.id_, int) - self.proc1.title.set('named') - p_loaded = Process.by_id(self.db_conn, self.proc1.id_) - self.assertEqual(self.proc1.title.history, p_loaded.title.history) + self.check_versioned_singularity() def test_Process_removal(self) -> None: """Test removal of Processes and ProcessSteps.""" - assert isinstance(self.proc3.id_, int) - self.proc1.remove(self.db_conn) - self.assertEqual({self.proc2.id_, self.proc3.id_}, - set(p.id_ for p in Process.all(self.db_conn))) - self.proc2.set_steps(self.db_conn, [(None, self.proc3.id_, None)]) + self.check_remove() + p1, p2, p3 = self.three_processes() + assert isinstance(p1.id_, int) + assert isinstance(p2.id_, int) + assert isinstance(p3.id_, int) + p2.set_steps(self.db_conn, [(None, p1.id_, None)]) with self.assertRaises(HandledException): - self.proc3.remove(self.db_conn) - self.proc2.explicit_steps[0].remove(self.db_conn) - retrieved = Process.by_id(self.db_conn, self.proc2.id_) - self.assertEqual(retrieved.explicit_steps, []) - self.proc2.set_steps(self.db_conn, [(None, self.proc3.id_, None)]) - step = retrieved.explicit_steps[0] - self.proc2.remove(self.db_conn) + p1.remove(self.db_conn) + step = p2.explicit_steps[0] + p2.set_steps(self.db_conn, []) + with self.assertRaises(NotFoundException): + ProcessStep.by_id(self.db_conn, step.id_) + p1.remove(self.db_conn) + p2.set_steps(self.db_conn, [(None, p3.id_, None)]) + step = p2.explicit_steps[0] + p2.remove(self.db_conn) with self.assertRaises(NotFoundException): ProcessStep.by_id(self.db_conn, step.id_) - todo = Todo(None, self.proc3, False, '2024-01-01') + todo = Todo(None, p3, False, '2024-01-01') todo.save(self.db_conn) with self.assertRaises(HandledException): - self.proc3.remove(self.db_conn) + p3.remove(self.db_conn) todo.remove(self.db_conn) - self.proc3.remove(self.db_conn) + p3.remove(self.db_conn) + + +class TestsWithDBForProcessStep(TestCaseWithDB): + """Module tests requiring DB setup.""" + checked_class = ProcessStep + + def test_ProcessStep_saving_and_caching(self) -> None: + """Test .save/.save_core.""" + kwargs = {'id_': 1, + 'owner_id': 2, + 'step_process_id': 3, + 'parent_step_id': 4} + self.check_saving_and_caching(**kwargs) + + def test_ProcessStep_from_table_row(self) -> None: + """Test .from_table_row() properly reads in class from DB""" + self.check_from_table_row(2, 3, None) + + def test_ProcessStep_singularity(self) -> None: + """Test pointers made for single object keep pointing to it.""" + self.check_singularity('parent_step_id', 1, 2, 3, None) + + def test_ProcessStep_remove(self) -> None: + """Test .remove and unsetting of owner's .explicit_steps entry.""" + p1 = Process(None) + p2 = Process(None) + p1.save(self.db_conn) + p2.save(self.db_conn) + assert isinstance(p2.id_, int) + p1.set_steps(self.db_conn, [(None, p2.id_, None)]) + step = p1.explicit_steps[0] + step.remove(self.db_conn) + self.assertEqual(p1.explicit_steps, []) + self.check_storage([]) class TestsWithServer(TestCaseWithServer): diff --git a/tests/utils.py b/tests/utils.py index 61dbb36..ccb485a 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) -> 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.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() @@ -43,7 +61,7 @@ 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, @@ -79,12 +97,12 @@ class TestCaseWithDB(TestCase): self.assertEqual(self.checked_class(id2), by_id_created) self.check_storage([obj]) - def check_from_table_row(self) -> None: + def check_from_table_row(self, *args: Any) -> None: """Test .from_table_row() properly reads in class from DB""" id_ = self.default_ids[0] - obj = self.checked_class(id_) # pylint: disable=not-callable + 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) @@ -110,20 +128,29 @@ 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)