def test_handle_bars_with_no_bars_logs_and_continues(self):
# Arrange
bar_type = TestStubs.bartype_gbpusd_1sec_mid()
strategy = TradingStrategy()
strategy.register(
trader_id=self.trader_id,
portfolio=self.portfolio,
msgbus=self.msgbus,
cache=self.cache,
clock=self.clock,
logger=self.logger,
)
ema = ExponentialMovingAverage(10)
strategy.register_indicator_for_bars(bar_type, ema)
# Act
strategy.handle_bars([])
# Assert
assert ema.count == 0
def test_handle_bars_updates_indicator_registered_for_bars(self):
# Arrange
bar_type = TestStubs.bartype_audusd_1min_bid()
strategy = TradingStrategy()
strategy.register(
trader_id=self.trader_id,
portfolio=self.portfolio,
msgbus=self.msgbus,
cache=self.cache,
clock=self.clock,
logger=self.logger,
)
ema = ExponentialMovingAverage(10)
strategy.register_indicator_for_bars(bar_type, ema)
bar = TestStubs.bar_5decimal()
# Act
strategy.handle_bars([bar])
# Assert
assert ema.count == 1
