def test_price(self, value, subclass, pips, frac_pips):
if subclass is ValueError:
with pytest.raises(ValueError):
Price(value)
else:
price = Price(value)
assert price.pips == pips
assert FracPips.from_price(price) == frac_pips
assert isinstance(price, BasePrice)
assert isinstance(price, subclass)
def test_frac_pips(self, frac_pips: FracPips, pair: Pair, price: Price):
p1 = frac_pips.to_ratio_price(pair.quote.rounder)
p2 = frac_pips.to_quote_price(pair.quote)
p3 = frac_pips.to_pair_price(pair)
fp = FracPips.from_price(price)
assert isinstance(p1, BasePrice)
assert isinstance(p2, BasePrice)
assert isinstance(p3, BasePrice)
assert isinstance(fp, FracPips)
assert price == p1 == p2 == p3
assert frac_pips == fp
def c_fp(self) -> FracPips:
"""Closing price as Fractional Pips."""
return FracPips.from_price(self.c)
def l_fp(self) -> FracPips:
"""Low price as Fractional Pips."""
return FracPips.from_price(self.l)
def h_fp(self) -> FracPips:
"""High price as Fractional Pips."""
return FracPips.from_price(self.h)
def o_fp(self) -> FracPips:
"""Open price as Fractional Pips."""
return FracPips.from_price(self.o)
def price_to_y(self, price: Price) -> int:
"""Convert Price to y pixel coordinate."""
return self.fp_to_y(FracPips.from_price(price))