vnpy/tests/app/test_csv_loader.py

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2019-04-12 08:41:56 +00:00
"""
Test if csv loader works fine
"""
import tempfile
import unittest
from vnpy.app.csv_loader import CsvLoaderEngine
from vnpy.trader.constant import Exchange, Interval
class TestCsvLoader(unittest.TestCase):
def setUp(self) -> None:
self.engine = CsvLoaderEngine(None, None) # no engine is necessary for CsvLoader
def test_load(self):
data = """"Datetime","Open","High","Low","Close","Volume"
2010-04-16 09:16:00,3450.0,3488.0,3450.0,3468.0,489
2010-04-16 09:17:00,3468.0,3473.8,3467.0,3467.0,302
2010-04-16 09:18:00,3467.0,3471.0,3466.0,3467.0,203
2010-04-16 09:19:00,3467.0,3468.2,3448.0,3448.0,280
2010-04-16 09:20:00,3448.0,3459.0,3448.0,3454.0,250
2010-04-16 09:21:00,3454.0,3456.8,3454.0,3456.8,109
"""
with tempfile.TemporaryFile("w+t") as f:
f.write(data)
f.seek(0)
self.engine.load_by_handle(
f,
symbol="1",
exchange=Exchange.BITMEX,
interval=Interval.MINUTE,
datetime_head="Datetime",
open_head="Open",
close_head="Close",
low_head="Low",
high_head="High",
volume_head="Volume",
datetime_format="%Y-%m-%d %H:%M:%S",
)
def test_load_duplicated(self):
data = """"Datetime","Open","High","Low","Close","Volume"
2010-04-16 09:16:00,3450.0,3488.0,3450.0,3468.0,489
2010-04-16 09:17:00,3468.0,3473.8,3467.0,3467.0,302
2010-04-16 09:18:00,3467.0,3471.0,3466.0,3467.0,203
2010-04-16 09:19:00,3467.0,3468.2,3448.0,3448.0,280
2010-04-16 09:20:00,3448.0,3459.0,3448.0,3454.0,250
2010-04-16 09:21:00,3454.0,3456.8,3454.0,3456.8,109
"""
with tempfile.TemporaryFile("w+t") as f:
f.write(data)
f.seek(0)
self.engine.load_by_handle(
f,
symbol="1",
exchange=Exchange.BITMEX,
interval=Interval.MINUTE,
datetime_head="Datetime",
open_head="Open",
close_head="Close",
low_head="Low",
high_head="High",
volume_head="Volume",
datetime_format="%Y-%m-%d %H:%M:%S",
)
with tempfile.TemporaryFile("w+t") as f:
f.write(data)
f.seek(0)
self.engine.load_by_handle(
f,
symbol="1",
exchange=Exchange.BITMEX,
interval=Interval.MINUTE,
datetime_head="Datetime",
open_head="Open",
close_head="Close",
low_head="Low",
high_head="High",
volume_head="Volume",
datetime_format="%Y-%m-%d %H:%M:%S",
)
if __name__ == "__main__":
unittest.main()