def get_data_for_last_day(cls, pk: int) -> list:
stock_data_for_last_day = []
datetime_now = datetime.now().strftime(DATETIME_PATTERN)
datetime_yesterday = (datetime.now() -
timedelta(days=1)).strftime(DATETIME_PATTERN)
with pool_manager() as conn:
query = """SELECT * FROM stocks_data
WHERE stock_id = %(stock_id)s
AND %(yesterday)s <= created_at AND created_at < %(today)s
ORDER BY created_at;"""
try:
conn.cursor.execute(
query, {
'stock_id': pk,
'yesterday': datetime_yesterday,
'today': datetime_now
})
stock_data_for_last_day = conn.cursor.fetchall()
except (psycopg2.DataError, psycopg2.ProgrammingError,
TypeError) as err:
logger.info(f"Error! {err}")
stock_data_for_last_day = [
StockData(pk=pk,
stock_id=stock_id,
price=price,
created_at=created_at)
for pk, stock_id, price, created_at in stock_data_for_last_day
]
return stock_data_for_last_day
def test_put_success(self, mock_get, mock_put):
with app.app_context():
mock_get.return_value = StockData(stock_id=2,
price=300,
created_at="2020-08-19 01:55:19",
pk=1)
mock_put.return_value = StockData(stock_id=2,
price=500,
created_at="2020-09-19 01:55:19",
pk=1)
with app.test_client() as client:
data = {"price": 500, "created_at": "2020-09-19 01:55:19"}
response = client.put('/stocks_data/1', json=data)
body = json.loads(response.data)
assert response.status_code == 200
assert body['created_at'] == "2020-09-19 01:55:19"
assert body['price'] == 500
assert body['stock_id'] == 2
def test_put_wrong_json(self, mock_get):
with app.app_context():
message = b"Wrong data provided"
mock_get.return_value = StockData(stock_id=2,
price=300,
created_at="2020-09-19 01:55:19",
pk=1)
with app.test_client() as client:
incorrect_json = '{ "stock_id:"12 "price":30 "created_at:"None" }'
response = client.put('/stocks_data/2', data=incorrect_json)
assert response.status_code == 400
assert response.data == message
def test_put_wrong_price(self, mock_get):
with app.app_context():
message = b"Incorrect price specified, price should be integer (ex. 300)"
mock_get.return_value = StockData(stock_id=2,
price=300,
created_at="19/09/19 01:55:19",
pk=1)
with app.test_client() as client:
data = {"price": "wrong", "created_at": "19/09/19 01:55:19"}
response = client.put('/stocks_data/2', json=data)
assert response.status_code == 400
assert response.data == message
def test_put_wrong_create_at(self, mock_get):
with app.app_context():
message = b"Incorrect date specified, example '2018-09-19 01:55:19'(year-month-day hour:minute:second))"
mock_get.return_value = StockData(stock_id=2,
price=300,
created_at="19/09/19 01:55:19",
pk=1)
with app.test_client() as client:
data = {"price": 300, "created_at": "2021/01/08"}
response = client.put('/stocks_data/2', json=data)
assert response.status_code == 400
assert response.data == message
def get(self, pk: int) -> Response: # pylint: disable=C0103, R0201
"""A get method is used to send a specific GET request to access Stock Data by id
:param pk: Stock Data primary key
:return: a Response object with specific data and status code
"""
stock_data = StockData.get_by_id(pk=pk)
if stock_data is None:
message = "Can not find stock data, wrong id"
logger.info(message)
return make_response(message, 400)
return make_response(jsonify(stock_data.to_dict()), 200)
def delete(self, pk: int) -> Response: # pylint: disable=C0103, R0201
"""A delete method is used to send a specific DELETE request to delete Stock Data by id
:param pk: Stock Data primary key
:return: a Response object with specific data and status code
"""
stock_data_deleted = StockData.delete_by_id(pk=pk)
if stock_data_deleted:
return make_response("Stock data deleted", 200)
message = "Stock data not deleted"
logger.info(message)
return make_response(message, 400)
def test_put_unknown_error(self, mock_put, mock_get):
with app.app_context():
message = b"Stock Data is not updated, possible you input wrong data"
mock_get.return_value = StockData(stock_id=2,
price=300,
created_at="18/09/19 01:55:19",
pk=1)
mock_put.return_value = None
with app.test_client() as client:
data = {"price": 500, "created_at": "2020-09-19 01:55:19"}
response = client.put('/stocks_data/1', json=data)
assert response.status_code == 400
assert response.data == message
def test_get_pass(self, mock_get):
with app.app_context():
mock_get.return_value = StockData(stock_id=2,
price=300,
created_at="18-09-19 01:55:19",
pk=1)
with app.test_client() as client:
response = client.get('/stocks_data/1')
body = json.loads(response.data)
assert response.status_code == 200
assert body['id'] == 1
assert body['created_at'] == '18-09-19 01:55:19'
assert body['price'] == 300
assert body['stock_id'] == 2
def post(self) -> Response: # pylint: disable=R0201
"""A post method is used to send a specific POST request to create Stock Data
:return: a Response object with specific data and status code
"""
body = get_body(request)
if not body:
return make_response("Wrong data provided", 400)
price = body.get('price')
created_at = body.get('created_at')
stock_id = body.get('stock_id')
if not isinstance(price, int):
message = "Incorrect price specified, price should be integer (ex. 300)"
logger.info(message)
return make_response(message, 400)
if not isinstance(stock_id, int):
message = "Incorrect stock id specified, stock id should be integer (ex. 1)"
logger.info(message)
return make_response(message, 400)
if not isinstance(created_at, str):
message = (
"Incorrect created_at specified, "
"example '2018-09-19 01:55:19'(year-month-day hour:minute:second))"
)
logger.info(message)
return make_response(message, 400)
try:
created_at = datetime.strptime(created_at, '%Y-%m-%d %H:%M:%S')
except ValueError:
message = (
"Incorrect created_at specified, "
"example '2018-09-19 01:55:19'(year-month-day hour:minute:second))"
)
logger.info(message)
return make_response(message, 400)
data_to_create = {
'price': price,
'created_at': created_at,
'stock_id': stock_id
}
stock_data = StockData.create(**data_to_create)
if stock_data:
return make_response(jsonify(stock_data.to_dict()), 201)
return make_response("Creating error", 400)
def test_post_pass(self, mock_post):
with app.app_context():
mock_post.return_value = StockData(
stock_id=1, price=500, created_at="2020-05-11 04:22:30")
with app.test_client() as client:
data = {
"price": 500,
"created_at": "2020-05-11 04:22:30",
"stock_id": 1
}
response = client.post('/stocks_data/', json=data)
assert response.status_code == 201
body = json.loads(response.data)
assert response.status_code == 201
assert body['created_at'] == "2020-05-11 04:22:30"
assert body['price'] == 500
assert body['stock_id'] == 1
def put(self, pk: int) -> Response: # pylint: disable=C0103, R0201
"""A put method is used to send a specific PUT request to edit Stock Data by id
:param pk: Stock Data primary key
:return: a Response object with specific data and status code
"""
body = get_body(request)
if not body:
return make_response("Wrong data provided", 400)
stock_data = StockData.get_by_id(pk=pk)
if stock_data is None:
message = "Can not find stock data, wrong id"
logger.info(message)
return make_response(message, 400)
price, created_at = body.get('price'), body.get('created_at')
if price is not None and not isinstance(price, int):
message = "Incorrect price specified, price should be integer (ex. 300)"
logger.info(message)
return make_response(message, 400)
if created_at:
if not isinstance(created_at, str):
message = (
"Incorrect created_at specified, "
"example '2018-09-19 01:55:19'(year-month-day hour:minute:second)"
)
logger.info(message)
return make_response(message, 400)
try:
created_at = datetime.strptime(created_at, '%Y-%m-%d %H:%M:%S')
except ValueError:
message = "Incorrect date specified, example '2018-09-19 01:55:19'(year-month-day hour:minute:second))"
logger.info(message)
return make_response(message, 400)
data_to_update = {"price": price, "created_at": created_at}
stock_data_updated = stock_data.update(**data_to_update)
if stock_data_updated:
return make_response(jsonify(stock_data.to_dict()), 200)
message = "Stock Data is not updated, possible you input wrong data"
logger.info(message)
return make_response(message, 400)
def get_data_for_time_period(self, datetime_from: datetime,
datetime_to: datetime) -> list:
"""
Return list of stock datas for current stock in specified period of time
:param datetime_from: start time of period to get stock data
:param datetime_to: end time of period to get stock data
:return: list of StockData
"""
stock_data_for_time_period = []
datetime_from_str, datetime_to_str = datetime_from.strftime(
DATETIME_PATTERN), datetime_to.strftime(DATETIME_PATTERN)
with pool_manager() as conn:
query = "SELECT id, stock_id, price, created_at FROM stocks_data " \
"WHERE stock_id = %(stock_id)s " \
"AND %(datetime_from)s <= created_at AND created_at < %(datetime_to)s " \
"ORDER BY created_at;"
try:
conn.cursor.execute(
query, {
'stock_id': self.pk,
'datetime_from': datetime_from_str,
'datetime_to': datetime_to_str
})
stock_data_for_time_period = conn.cursor.fetchall()
except (psycopg2.DataError, psycopg2.ProgrammingError, TypeError):
message = f"Could not get stock data for pk={self.pk}, datetime_from={datetime_from_str}, " \
f"datetime_to={datetime_to_str}"
logger.warning(message)
stock_data_for_time_period = [
StockData(pk=pk,
stock_id=stock_id,
price=price,
created_at=created_at) for pk, stock_id, price,
created_at in stock_data_for_time_period
]
if Stock._are_gaps_in_data(datetime_from, datetime_to,
stock_data_for_time_period):
self._fill_gaps_in_data(datetime_from, datetime_to,
stock_data_for_time_period)
return stock_data_for_time_period
def test_create_false(self, pool_manager):
pool_manager.return_value.__enter__.return_value.cursor.execute.side_effect = psycopg2.DataError
self.assertEqual(StockData.create(1, 441.5, datetime(2021, 1, 2, 3, 4, 5)), None)
def test_get_by_id_error(self, pool_manager):
pool_manager.return_value.__enter__.return_value.cursor.execute.side_effect = psycopg2.DataError
self.assertEqual(StockData.get_by_id(1), None)
def test_update_true(self, pool_manager):
pool_manager.return_value.__enter__.return_value.cursor.fetchone.return_value = (
2, 1, 441.5, datetime(2021, 1, 2, 3, 4, 5))
pool_manager.return_value.__exit__.return_value = True
self.assertEqual(
StockData(1, 111.1, datetime(2020, 3, 2, 1, 5, 6)).update(441.5, datetime(2021, 1, 2, 3, 4, 5)), True)
def test_update_false(self, pool_manager):
pool_manager.return_value.__enter__.return_value.cursor.execute.side_effect = psycopg2.DataError
self.assertEqual(
StockData(2, 114.6, datetime(2020, 1, 2, 3, 4, 5)).update(441.5, datetime(2021, 1, 2, 3, 4, 5)), False)
def test_get_by_id(self, pool_manager):
data = {"id": 1, "stock_id": 1, "price": 441.5, "created_at": datetime(2021, 1, 2, 3, 4, 6)}
pool_manager.return_value.__enter__.return_value.cursor.fetchone.return_value = (
1, 1, 441.5, datetime(2021, 1, 2, 3, 4, 6))
self.assertEqual(StockData.get_by_id(1).to_dict(), data)
def test_delete_true(self, get_by_id, pool_manager):
get_by_id.return_value = True
pool_manager.return_value.__enter__.return_value.cursor.execute.return_value = True
self.assertEqual(StockData.delete_by_id(1), True)
def test_delete_error(self, get_by_id, pool_manager):
get_by_id.return_value = True
pool_manager.return_value.__enter__.return_value.cursor.execute.side_effect = psycopg2.DataError
self.assertEqual(StockData.delete_by_id(1), False)
