Add some simple dataprovider tests

freqtrade/tests/data/test_dataprovider.py

@@ -0,0 +1,36 @@
+from unittest.mock import Mock, MagicMock, PropertyMock
+
+from pandas import DataFrame
+
+from freqtrade.data.dataprovider import DataProvider
+from freqtrade.exchange import Exchange
+from freqtrade.tests.conftest import get_patched_exchange, log_has
+
+
+def test_ohlcv(mocker, default_conf, ticker_history):
+
+    exchange = get_patched_exchange(mocker, default_conf)
+    exchange._klines['XRP/BTC'] = ticker_history
+    exchange._klines['UNITEST/BTC'] = ticker_history
+    dp = DataProvider(default_conf, exchange)
+    assert ticker_history.equals(dp.ohlcv('UNITEST/BTC'))
+    assert isinstance(dp.ohlcv('UNITEST/BTC'), DataFrame)
+    assert dp.ohlcv('UNITEST/BTC') is not ticker_history
+    assert dp.ohlcv('UNITEST/BTC', copy=False) is ticker_history
+    assert dp.ohlcv('NONESENSE/AAA') is None
+
+
+def test_historic_ohlcv(mocker, default_conf, ticker_history):
+
+    historymock = MagicMock(return_value=ticker_history)
+    mocker.patch('freqtrade.data.dataprovider.load_pair_history', historymock)
+
+    # exchange = get_patched_exchange(mocker, default_conf)
+    dp = DataProvider(default_conf, None)
+    data = dp.historic_ohlcv('UNITTEST/BTC', "5m")
+    assert isinstance(data, DataFrame)
+    assert historymock.call_count == 1
+    assert historymock.call_args_list[0][1]['datadir'] is None
+    assert historymock.call_args_list[0][1]['refresh_pairs'] == False
+    assert historymock.call_args_list[0][1]['ticker_interval'] == '5m'
+