本文整理汇总了Python中DatabaseHandler.DatabaseHandler.initialize_db方法的典型用法代码示例。如果您正苦于以下问题：Python DatabaseHandler.initialize_db方法的具体用法？Python DatabaseHandler.initialize_db怎么用？Python DatabaseHandler.initialize_db使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DatabaseHandler.DatabaseHandler的用法示例。
在下文中一共展示了DatabaseHandler.initialize_db方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_routes_dataframe_closest_stops_returns_closest_stop
# 需要导入模块: from DatabaseHandler import DatabaseHandler [as 别名]
# 或者: from DatabaseHandler.DatabaseHandler import initialize_db [as 别名]
def test_routes_dataframe_closest_stops_returns_closest_stop(self):
handler = DatabaseHandler('unit_test_db.sqlite3')
handler.initialize_db()
handler.add_address(MapLocation(latitude=1, longitude=1, id=1))
handler.add_stop(MapLocation(latitude=2, longitude=2, id=2))
handler.add_stop(MapLocation(latitude=3, longitude=3, id=3))
handler.add_route(address=1, stop=2, distance=100, time=100)
handler.add_route(address=1, stop=3, distance=50, time=50)
df = handler.routes_dataframe_closest_stops()
self.assertEqual(1, df.shape[0], "should be 1 output row")
self.assertEqual(1, df.ix[0, 'address_latitude'],
'address should have latitude of 1')
self.assertEqual(1, df.ix[0, 'address_longitude'],
'address should have longitude of 1')
self.assertEqual(3, df.ix[0, 'stop_latitude'],
'the stop with latitude of 3 should have been '
'returned since it had the smallest distance')
self.assertEqual(3, df.ix[0, 'stop_longitude'],
'the stop with longitude of 3 should have been '
'returned since it had the smallest distance')
self.assertEqual(50, df.ix[0, 'distance'],
"the route with the lowest distance should be"
"returned in the output dataframe")
self.assertEqual(50, df.ix[0, 'time'],
"the route the with lowest distance's time should be"
"returned in the output dataframe")示例2: test_construct_db_calls_add_stop_table
# 需要导入模块: from DatabaseHandler import DatabaseHandler [as 别名]
# 或者: from DatabaseHandler.DatabaseHandler import initialize_db [as 别名]
def test_construct_db_calls_add_stop_table(self):
handler = DatabaseHandler('unit_test_db.sqlite3')
mock_add_addresses = Mock()
handler._add_addresses_table = mock_add_addresses
mock_add_stops = Mock()
handler._add_stops_table = mock_add_stops
handler.initialize_db()
self.assertTrue(mock_add_stops.called,
"initialize_db did not call _add_stops_table")示例3: test_routes_dataframe_closest_stops_returns_for_many_addresses
# 需要导入模块: from DatabaseHandler import DatabaseHandler [as 别名]
# 或者: from DatabaseHandler.DatabaseHandler import initialize_db [as 别名]
def test_routes_dataframe_closest_stops_returns_for_many_addresses(self):
handler = DatabaseHandler('unit_test_db.sqlite3')
handler.initialize_db()
handler.add_address(MapLocation(latitude=1, longitude=1, id=1))
handler.add_address(MapLocation(latitude=11, longitude=10, id=11))
handler.add_stop(MapLocation(latitude=2, longitude=2, id=2))
handler.add_stop(MapLocation(latitude=12, longitude=12, id=12))
handler.add_route(address=1, stop=2, distance=1, time=1)
handler.add_route(address=1, stop=12, distance=11, time=11)
handler.add_route(address=11, stop=2, distance=9, time=9)
handler.add_route(address=11, stop=12, distance=1, time=1)
df = handler.routes_dataframe_closest_stops()
self.assertEqual(2, df.shape[0], "should be 2 output rows since "
"there are 2 addresses with routes")
self.assertEqual(1, df.ix[0, 'distance'],
"distance for the first row should be 1 "
"since that is the shortest route distance")示例4: test_routes_dataframe_has_correct_values
# 需要导入模块: from DatabaseHandler import DatabaseHandler [as 别名]
# 或者: from DatabaseHandler.DatabaseHandler import initialize_db [as 别名]
def test_routes_dataframe_has_correct_values(self):
handler = DatabaseHandler('unit_test_db.sqlite3')
handler.initialize_db()
handler.add_address(MapLocation(latitude=11, longitude=50, id=11))
handler.add_stop(MapLocation(latitude=-10, longitude=3, id=800))
handler.add_route(address=11, stop=800, distance=10000, time=50000)
df = handler.routes_dataframe()
self.assertEqual(1, df.shape[0], "only one row should be output")
self.assertEqual(11, df.ix[0, 'address_latitude'],
'incorrect address latitude output')
self.assertEqual(50, df.ix[0, 'address_longitude'],
'incorrect address longitude output')
self.assertEqual(-10, df.ix[0, 'stop_latitude'],
'incorrect stop latitude output')
self.assertEqual(3, df.ix[0, 'stop_longitude'],
'incorrect stop longitude output')
self.assertEqual(10000, df.ix[0, 'distance'],
'incorrect distance output')
self.assertEqual(50000, df.ix[0, 'time'],
'incorrect time output')示例5: test_routes_dataframe_only_grabs_routes_no_dangling_locations
# 需要导入模块: from DatabaseHandler import DatabaseHandler [as 别名]
# 或者: from DatabaseHandler.DatabaseHandler import initialize_db [as 别名]
def test_routes_dataframe_only_grabs_routes_no_dangling_locations(self):
handler = DatabaseHandler('unit_test_db.sqlite3')
handler.initialize_db()
handler.add_address(MapLocation(latitude=1, longitude=1, id=1))
handler.add_address(MapLocation(latitude=2, longitude=2, id=2))
handler.add_address(MapLocation(latitude=3, longitude=3, id=3))
handler.add_stop(MapLocation(latitude=11, longitude=11, id=11))
handler.add_stop(MapLocation(latitude=12, longitude=12, id=12))
handler.add_stop(MapLocation(latitude=13, longitude=13, id=13))
handler.add_route(address=1, stop=11, distance=100, time=1000)
handler.add_route(address=3, stop=13, distance=100, time=1000)
df = handler.routes_dataframe()
self.assertEqual(2, df.shape[0], "should be 2 output rows")
self.assertEqual(1, df.ix[0, 'address_latitude'],
'incorrect address latitude output')
self.assertEqual(3, df.ix[1, 'address_latitude'],
'incorrect address latitude output')
self.assertEqual(11, df.ix[0, 'stop_latitude'],
'incorrect stop latitude output')
self.assertEqual(13, df.ix[1, 'stop_latitude'],
'incorrect stop latitude output')示例6: test_output_routes_outputs_single_route
# 需要导入模块: from DatabaseHandler import DatabaseHandler [as 别名]
# 或者: from DatabaseHandler.DatabaseHandler import initialize_db [as 别名]
def test_output_routes_outputs_single_route(self):
handler = DatabaseHandler('unit_test_db.sqlite3')
handler.initialize_db()
handler.add_address(MapLocation(latitude=3, longitude=4, id=1))
handler.add_stop(MapLocation(latitude=9, longitude=10, id=1))
handler.add_route(address=1, stop=1, distance=50, time=100)
handler.output_routes(file_path='test_file.csv')
self.assertTrue(os.path.exists('test_file.csv'),
'test_file.csv file not found')
output = pd.read_csv('test_file.csv')
self.assertNotEqual(0, output.shape[0], "no output rows in output .csv")
self.assertEqual(3, output.ix[0, 'address_latitude'],
'incorrect address latitude output')
self.assertEqual(4, output.ix[0, 'address_longitude'],
'incorrect address longitude output')
self.assertEqual(9, output.ix[0, 'stop_latitude'],
'incorrect stop latitude output')
self.assertEqual(10, output.ix[0, 'stop_longitude'],
'incorrect stop longitude output')
self.assertEqual(50, output.ix[0, 'distance'],
'incorrect distance output')
self.assertEqual(100, output.ix[0, 'time'],
'incorrect time output')