107 lines
3.3 KiB
Python
107 lines
3.3 KiB
Python
import unittest
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from datalite import datalite, fetch_if, fetch_all, fetch_range, fetch_from, fetch_equals
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from sqlite3 import connect
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from dataclasses import dataclass, asdict
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from os import remove
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@datalite(db_path='test.db')
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@dataclass
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class TestClass:
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integer_value: int = 1
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byte_value: bytes = b'a'
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float_value: float = 0.4
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str_value: str = 'a'
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def __eq__(self, other):
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return asdict(self) == asdict(other)
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@datalite(db_path='test.db')
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@dataclass
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class FetchClass:
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ordinal: int
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str_: str
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def __eq__(self, other):
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return asdict(self) == asdict(other)
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def getValFromDB(obj_id = 1):
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with connect('test.db') as db:
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cur = db.cursor()
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cur.execute(f'SELECT * FROM testclass WHERE obj_id = {obj_id}')
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fields = list(TestClass.__dataclass_fields__.keys())
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fields.sort()
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repr = dict(zip(fields, cur.fetchall()[0][1:]))
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field_types = {key: value.type for key, value in TestClass.__dataclass_fields__.items()}
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for key in fields:
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if field_types[key] == bytes:
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repr[key] = bytes(repr[key], encoding='utf-8')
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test_object = TestClass(**repr)
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return test_object
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class DatabaseMain(unittest.TestCase):
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def setUp(self) -> None:
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self.test_object = TestClass(12, b'bytes', 0.4, 'TestValue')
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def test_creation(self):
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self.test_object.create_entry()
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self.assertEqual(self.test_object, getValFromDB())
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def test_update(self):
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self.test_object.create_entry()
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self.test_object.integer_value = 40
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self.test_object.update_entry()
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from_db = getValFromDB(getattr(self.test_object, 'obj_id'))
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self.assertEqual(self.test_object.integer_value, from_db.integer_value)
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def test_delete(self):
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with connect('test.db') as db:
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cur = db.cursor()
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cur.execute('SELECT * FROM testclass')
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objects = cur.fetchall()
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init_len = len(objects)
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self.test_object.create_entry()
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self.test_object.remove_entry()
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with connect('test.db') as db:
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cur = db.cursor()
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cur.execute('SELECT * FROM testclass')
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objects = cur.fetchall()
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self.assertEqual(len(objects), init_len)
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class DatabaseFetchCalls(unittest.TestCase):
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def setUp(self) -> None:
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self.objs = [FetchClass(1, 'a'), FetchClass(2, 'b'), FetchClass(3, 'b')]
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[obj.create_entry() for obj in self.objs]
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def testFetchFrom(self):
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t_obj = fetch_from(FetchClass, self.objs[0].obj_id)
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self.assertEqual(self.objs[0], t_obj)
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def testFetchEquals(self):
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t_obj = fetch_equals(FetchClass, 'str_', self.objs[0].str_)
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self.assertEqual(self.objs[0], t_obj)
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def testFetchAll(self):
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t_objs = fetch_all(FetchClass)
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self.assertEqual(tuple(self.objs), t_objs)
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def testFetchIf(self):
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t_objs = fetch_if(FetchClass, "str_ = \"b\"")
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self.assertEqual(tuple(self.objs[1:]), t_objs)
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def testFetchRange(self):
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t_objs = fetch_range(FetchClass, range(self.objs[0].obj_id, self.objs[2].obj_id))
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self.assertEqual(tuple(self.objs[0:2]), t_objs)
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def tearDown(self) -> None:
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[obj.remove_entry() for obj in self.objs]
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if __name__ == '__main__':
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unittest.main()
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