"""Shared test utilities."""
from unittest import TestCase
from threading import Thread
+from http.client import HTTPConnection
+from urllib.parse import urlencode
from datetime import datetime
from os import remove as remove_file
+from typing import Mapping, Any
from plomtask.db import DatabaseFile, DatabaseConnection
from plomtask.http import TaskHandler, TaskServer
+from plomtask.processes import Process, ProcessStep
+from plomtask.conditions import Condition
+from plomtask.days import Day
+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] = (1, 2, 3)
- def setUp(self):
+ def setUp(self) -> None:
+ Condition.empty_cache()
+ Day.empty_cache()
+ Process.empty_cache()
+ ProcessStep.empty_cache()
+ Todo.empty_cache()
timestamp = datetime.now().timestamp()
self.db_file = DatabaseFile(f'test_db:{timestamp}')
self.db_file.remake()
self.db_conn = DatabaseConnection(self.db_file)
- def tearDown(self):
+ def tearDown(self) -> None:
self.db_conn.close()
remove_file(self.db_file.path)
+ def check_storage(self, content: list[Any]) -> None:
+ """Test cache and DB equal content."""
+ expected_cache = {}
+ for item in content:
+ expected_cache[item.id_] = item
+ self.assertEqual(self.checked_class.get_cache(), expected_cache)
+ db_found: list[Any] = []
+ for item in content:
+ 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:
+ """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
+ self.check_storage([])
+ # check saving stores in cache and DB
+ obj.save(self.db_conn)
+ self.check_storage([obj])
+ # check core attributes set properly (and not unset by saving)
+ for key, value in kwargs.items():
+ self.assertEqual(getattr(obj, key), value)
+
+ def check_by_id(self) -> None:
+ """Test .by_id(), including creation."""
+ # check failure if not yet saved
+ id1, id2 = self.default_ids[0], self.default_ids[1]
+ obj = self.checked_class(id1) # pylint: disable=not-callable
+ with self.assertRaises(NotFoundException):
+ self.checked_class.by_id(self.db_conn, id1)
+ # check identity of saved and retrieved
+ obj.save(self.db_conn)
+ self.assertEqual(obj, self.checked_class.by_id(self.db_conn, id1))
+ # check create=True acts like normal instantiation (sans saving)
+ by_id_created = self.checked_class.by_id(self.db_conn, id2,
+ create=True)
+ # pylint: disable=not-callable
+ self.assertEqual(self.checked_class(id2), by_id_created)
+ self.check_storage([obj])
+
+ 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_, *args) # pylint: disable=not-callable
+ obj.save(self.db_conn)
+ 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_all(self) -> tuple[Any, Any, Any]:
+ """Test .all()."""
+ # pylint: disable=not-callable
+ item1 = self.checked_class(self.default_ids[0])
+ item2 = self.checked_class(self.default_ids[1])
+ item3 = self.checked_class(self.default_ids[2])
+ # check pre-save .all() returns empty list
+ self.assertEqual(self.checked_class.all(self.db_conn), [])
+ # check that all() shows all saved, but no unsaved items
+ item1.save(self.db_conn)
+ item3.save(self.db_conn)
+ self.assertEqual(sorted(self.checked_class.all(self.db_conn)),
+ sorted([item1, item3]))
+ item2.save(self.db_conn)
+ self.assertEqual(sorted(self.checked_class.all(self.db_conn)),
+ sorted([item1, item2, item3]))
+ return item1, item2, item3
+
+ def check_singularity(self, defaulting_field: str,
+ 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, *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_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_, *args) # pylint: disable=not-callable
+ with self.assertRaises(HandledException):
+ obj.remove(self.db_conn)
+ obj.save(self.db_conn)
+ obj.remove(self.db_conn)
+ self.check_storage([])
+
class TestCaseWithServer(TestCaseWithDB):
"""Module tests against our HTTP server/handler (and database)."""
- def setUp(self):
+ def setUp(self) -> None:
super().setUp()
self.httpd = TaskServer(self.db_file, ('localhost', 0), TaskHandler)
self.server_thread = Thread(target=self.httpd.serve_forever)
self.server_thread.daemon = True
self.server_thread.start()
+ self.conn = HTTPConnection(str(self.httpd.server_address[0]),
+ self.httpd.server_address[1])
- def tearDown(self):
+ def tearDown(self) -> None:
self.httpd.shutdown()
self.httpd.server_close()
self.server_thread.join()
super().tearDown()
+
+ def check_redirect(self, target: str) -> None:
+ """Check that self.conn answers with a 302 redirect to target."""
+ response = self.conn.getresponse()
+ self.assertEqual(response.status, 302)
+ self.assertEqual(response.getheader('Location'), target)
+
+ def check_get(self, target: str, expected_code: int) -> None:
+ """Check that a GET to target yields expected_code."""
+ self.conn.request('GET', target)
+ self.assertEqual(self.conn.getresponse().status, expected_code)
+
+ def check_post(self, data: Mapping[str, object], target: str,
+ expected_code: int, redirect_location: str = '') -> None:
+ """Check that POST of data to target yields expected_code."""
+ encoded_form_data = urlencode(data, doseq=True).encode('utf-8')
+ headers = {'Content-Type': 'application/x-www-form-urlencoded',
+ 'Content-Length': str(len(encoded_form_data))}
+ self.conn.request('POST', target,
+ body=encoded_form_data, headers=headers)
+ if 302 == expected_code:
+ if redirect_location == '':
+ redirect_location = target
+ self.check_redirect(redirect_location)
+ else:
+ self.assertEqual(self.conn.getresponse().status, expected_code)
+
+ def check_get_defaults(self, path: str) -> None:
+ """Some standard model paths to test."""
+ self.check_get(path, 200)
+ self.check_get(f'{path}?id=', 200)
+ self.check_get(f'{path}?id=foo', 400)
+ self.check_get(f'/{path}?id=0', 500)
+ self.check_get(f'{path}?id=1', 200)
+
+ def post_process(self, id_: int = 1,
+ form_data: dict[str, Any] | None = None
+ ) -> dict[str, Any]:
+ """POST basic Process."""
+ if not form_data:
+ form_data = {'title': 'foo', 'description': 'foo', 'effort': 1.1}
+ self.check_post(form_data, '/process?id=', 302, f'/process?id={id_}')
+ return form_data