def test_query_default(self):
query = Query()
self.assertEqual(query.get_select_expression(), [])
self.assertEqual(query.get_aggregate_function(), '')
self.assertEqual(query.get_table(), '')
self.assertEqual(query.get_where_clause(), [])
self.assertEqual(query.get_result(), [])
def test_query_setters(self):
query = Query()
query.set_select_expression(['country', 'first_name']),
query.set_aggregate_function('COUNT(*)'),
query.set_table('table_name'),
query.add_where_clause('', 'country', 'USA'),
query.set_result([3]),
self.assertEqual(query.get_select_expression(), ['country', 'first_name'])
self.assertEqual(query.get_aggregate_function(), 'COUNT(*)')
self.assertEqual(query.get_table(), 'table_name')
self.assertEqual(query.get_where_clause(), [('', 'country', 'USA')])
self.assertEqual(query.get_result(), [3])
def test_init_with_database(self, input):
query = Query()
query.get_aggregate_function = MagicMock(return_value='COUNT(*)')
query.get_result = MagicMock(return_value=[3])
table = Table('drivers', [
['id', 'first_name', 'last_name', 'country', 'year_of_birth', 'company'],
['1', 'John', 'Carmack', 'USA', '1970', 'id Software'],
['2', 'Jonn', 'Romero', 'USA', '1967', 'id Software'],
['3', 'Elon', 'Musk', 'USA', '1971', 'Tesla'],
['4', 'Damon', 'Hill', 'UK', '1960', 'Williams']])
database = Database('database_name', query)
database.add_table(table)
controller = Controller()
with patch('sys.stdout', new=StringIO()) as fake_out:
controller.init(database)
self.assertEqual(fake_out.getvalue(), 'Tables found: 1\ndrivers\n')