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Add test for no-exchange dataprovider

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This commit is contained in:
Matthias
2021-05-05 20:08:31 +02:00
committed by Rokas Kupstys
parent d344194b36
commit 4b6cd69c81
3 changed files with 30 additions and 6 deletions
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14
freqtrade/data/dataprovider.py
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@@ -19,6 +19,8 @@ from freqtrade.state import RunMode
logger = logging.getLogger(__name__)
NO_EXCHANGE_EXCEPTION = 'Exchange is not available to DataProvider.'
class DataProvider:
@@ -126,7 +128,7 @@ class DataProvider:
Refresh data, called with each cycle
"""
if self._exchange is None:
raise OperationalException('Exchange is not available to DataProvider.')
raise OperationalException(NO_EXCHANGE_EXCEPTION)
if helping_pairs:
self._exchange.refresh_latest_ohlcv(pairlist + helping_pairs)
else:
@@ -139,7 +141,7 @@ class DataProvider:
Should be whitelist + open trades.
"""
if self._exchange is None:
raise OperationalException('Exchange is not available to DataProvider.')
raise OperationalException(NO_EXCHANGE_EXCEPTION)
return list(self._exchange._klines.keys())
def ohlcv(self, pair: str, timeframe: str = None, copy: bool = True) -> DataFrame:
@@ -151,6 +153,8 @@ class DataProvider:
:param copy: copy dataframe before returning if True.
Use False only for read-only operations (where the dataframe is not modified)
"""
if self._exchange is None:
raise OperationalException(NO_EXCHANGE_EXCEPTION)
if self.runmode in (RunMode.DRY_RUN, RunMode.LIVE):
return self._exchange.klines((pair, timeframe or self._config['timeframe']),
copy=copy)
@@ -164,7 +168,7 @@ class DataProvider:
:return: Market data dict from ccxt or None if market info is not available for the pair
"""
if self._exchange is None:
raise OperationalException('Exchange is not available to DataProvider.')
raise OperationalException(NO_EXCHANGE_EXCEPTION)
return self._exchange.markets.get(pair)
def ticker(self, pair: str):
@@ -174,7 +178,7 @@ class DataProvider:
:return: Ticker dict from exchange or empty dict if ticker is not available for the pair
"""
if self._exchange is None:
raise OperationalException('Exchange is not available to DataProvider.')
raise OperationalException(NO_EXCHANGE_EXCEPTION)
try:
return self._exchange.fetch_ticker(pair)
except ExchangeError:
@@ -189,5 +193,5 @@ class DataProvider:
:return: dict including bids/asks with a total of `maximum` entries.
"""
if self._exchange is None:
raise OperationalException('Exchange is not available to DataProvider.')
raise OperationalException(NO_EXCHANGE_EXCEPTION)
return self._exchange.fetch_l2_order_book(pair, maximum)