import pytest
import datetime
import io

from naiback.data.feeds.genericcsvfeed import GenericCSVFeed


@pytest.fixture
def sample():
    return '''<TICKER>,<PER>,<DATE>,<TIME>,<OPEN>,<HIGH>,<LOW>,<CLOSE>,<VOL>
MICEX,D,20100111,000000,1411.3700000,1456.7600000,1411.3700000,1444.7800000,51634239250
MICEX,D,20100112,000000,1444.7800000,1445.6400000,1424.8700000,1427.6700000,38343314792
MICEX,D,20100113,000000,1417.8000000,1444.7700000,1412.9300000,1435.0100000,42183285247
MICEX,D,20100114,000000,1439.5500000,1456.2700000,1439.5500000,1455.6500000,44372479120
'''

def test_feed(sample):
    feed = GenericCSVFeed(io.StringIO(sample))

    bars = feed.items()

    assert len(bars) == 4